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<h3>
Simon Peyton Jones pushed to branch wip/T18078
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168">10b0b9b1</a></strong>
<div>
<span>by Simon Peyton Jones</span>
<i>at 2020-05-22T16:24:52+01:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Implement cast worker/wrapper properly

The cast worker/wrapper transformation transforms
   x = e |> co
into
   y = e
   x = y |> co

This is done by the simplifier, but we were being
careless about transferring IdInfo from x to y,
and about what to do if x is a NOINLNE function.
This resulted in a series of bugs:
     #17673, #18093, #18078.

This patch fixes all that:

* Main change is in GHC.Core.Opt.Simplify, and
  the new prepareBinding function, which does this
  cast worker/wrapper transform.
  See Note [Cast worker/wrappers].

* There is quite a bit of refactoring around
  prepareRhs, makeTrivial etc.  It's nicer now.

* Some wrappers from strictness and cast w/w, notably those for
  a function with a NOINLINE, should inline very late. There
  wasn't really a mechanism for that, which was an existing bug
  really; so I invented a new finalPhase = Phase (-1).  It's used
  for all simplifier runs after the user-visible phase 2,1,0 have
  run.  (No new runs of the simplifier are introduced thereby.)

  See new Note [Compiler phases] in GHC.Types.Basic;
  the main changes are in GHC.Core.Opt.Driver

* Doing this made me trip over two places where the AnonArgFlag on a
  FunTy was being lost so we could end up with (Num a -> ty)
  rather than (Num a => ty)
    - In coercionLKind/coercionRKind
    - In contHoleType in the Simplifier

  I fixed the former by defining mkFunctionType and using it in
  coercionLKind/RKind.

  I could have done the same for the latter, but the information
  is almost to hand.  So I fixed the latter by
    - adding sc_hole_ty to ApplyToVal (like ApplyToTy),
    - adding as_hole_ty to ValArg (like TyArg)
    - adding sc_fun_ty to StrictArg
  Turned out I could then remove ai_type from ArgInfo.  This is
  just moving the deck chairs around, but it worked out nicely.

  See the new Note [AnonArgFlag] in GHC.Types.Var

* When looking at the 'arity decrease' thing (#18093) I discovered
  that stable unfoldings had a much lower arity than the actual
  optimised function.  That's what led to the arity-decrease
  message.  Simple solution: eta-expand.

  It's described in Note [Eta-expand stable unfoldings]
  in GHC.Core.Opt.Simplify

* I also discovered that unsafeCoerce wasn't being inlined if
  the context was boring.  So (\x. f (unsafeCoerce x)) would
  create a thunk -- yikes!  I fixed that by making inlineBoringOK
  a bit cleverer: see Note [Inline unsafeCoerce] in GHC.Core.Unfold.

  I also found that unsafeCoerceName was unused, so I removed it.

I made a test case for #18078, and a very similar one for #17673.

The net effect of all this on nofib is very modest, but positive:

--------------------------------------------------------------------------------
        Program           Size    Allocs   Runtime   Elapsed  TotalMem
--------------------------------------------------------------------------------
           anna          -0.4%     -0.1%     -3.1%     -3.1%      0.0%
 fannkuch-redux          -0.4%     -0.3%     -0.1%     -0.1%      0.0%
       maillist          -0.4%     -0.1%     -7.8%     -1.0%    -14.3%
      primetest          -0.4%    -15.6%     -7.1%     -6.6%      0.0%
--------------------------------------------------------------------------------
            Min          -0.9%    -15.6%    -13.3%    -14.2%    -14.3%
            Max          -0.3%      0.0%    +12.1%    +12.4%      0.0%
 Geometric Mean          -0.4%     -0.2%     -2.3%     -2.2%     -0.1%
</pre>
</li>
</ul>
<h4>29 changed files:</h4>
<ul>
<li class="file-stats">
<a href="#0887cf39c5cdf9cf8d6758f410d7dab3023c0d77">
compiler/GHC/Builtin/Names.hs
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<li class="file-stats">
<a href="#783e5dae6e86931f06700fc088fb7d48c8a07386">
compiler/GHC/Core/Coercion.hs
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<a href="#f2f5de8b9f31451d693079c2a2d27fb47b18a3f4">
compiler/GHC/Core/Opt/Driver.hs
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<a href="#f168a93cde5e2aec2441d6331dfe500172df4af3">
compiler/GHC/Core/Opt/Simplify.hs
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compiler/GHC/Core/Opt/Simplify/Utils.hs
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compiler/GHC/Core/Opt/SpecConstr.hs
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<a href="#5b215b0e109123e4bef5434854f18e2f61c45b88">
compiler/GHC/Core/Opt/WorkWrap.hs
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compiler/GHC/Core/SimpleOpt.hs
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compiler/GHC/Core/Type.hs
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compiler/GHC/Core/Unfold.hs
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compiler/GHC/Core/Utils.hs
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compiler/GHC/CoreToStg/Prep.hs
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compiler/GHC/Types/Basic.hs
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compiler/GHC/Types/Var.hs
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libraries/base/Unsafe/Coerce.hs
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testsuite/tests/stranal/should_compile/all.T
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<h4>Changes:</h4>
<li id="0887cf39c5cdf9cf8d6758f410d7dab3023c0d77">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#0887cf39c5cdf9cf8d6758f410d7dab3023c0d77"><strong>compiler/GHC/Builtin/Names.hs</strong></a>
<hr>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="475" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="475" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -475,7 +475,6 @@ basicKnownKeyNames</td>
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<td class="diff-line-num old_line" data-linenumber="475" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
475
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<pre style="margin: 0;"> <span id="LC475" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">unsafeEqualityTyConName</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="476" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
476
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<td class="diff-line-num new_line" data-linenumber="476" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
476
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<pre style="margin: 0;"> <span id="LC476" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">unsafeReflDataConName</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="477" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
477
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<td class="diff-line-num new_line" data-linenumber="477" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
477
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC477" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">unsafeCoercePrimName</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="478" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
478
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<td class="diff-line-num new_line old" data-linenumber="478" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC478" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">unsafeCoerceName</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="479" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
479
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<td class="diff-line-num new_line" data-linenumber="478" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
478
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<pre style="margin: 0;"> <span id="LC478" class="line" lang="haskell">    <span class="p">]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="480" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
480
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<td class="diff-line-num new_line" data-linenumber="479" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC479" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="481" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="480" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC480" class="line" lang="haskell"><span class="n" style="color: #333;">genericTyConNames</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">]</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1333" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1332" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1333,12 +1332,11 @@ typeErrorShowTypeDataConName =</td>
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<td class="diff-line-num old_line" data-linenumber="1333" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1332" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1332
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<pre style="margin: 0;"> <span id="LC1332" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1333" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Unsafe coercion proofs</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1334" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeEqualityProofName</span><span class="p">,</span> <span class="n" style="color: #333;">unsafeEqualityTyConName</span><span class="p">,</span> <span class="n" style="color: #333;">unsafeCoercePrimName</span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC1336" class="line" lang="haskell">  <span class="n" style="color: #333;">unsafe<span class="idiff left">CoerceName</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">unsafe</span>ReflDataConName</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Name</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC1335" class="line" lang="haskell">  <span class="n" style="color: #333;">unsafeReflDataConName</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Name</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1336" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeEqualityProofName</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">varQual</span> <span class="n" style="color: #333;">uNSAFE_COERCE</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"unsafeEqualityProof"</span><span class="p">)</span> <span class="n" style="color: #333;">unsafeEqualityProofIdKey</span></span>
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<pre style="margin: 0;"> <span id="LC1337" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeEqualityTyConName</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tcQual</span> <span class="n" style="color: #333;">uNSAFE_COERCE</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"UnsafeEquality"</span><span class="p">)</span> <span class="n" style="color: #333;">unsafeEqualityTyConKey</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1338" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeReflDataConName</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dcQual</span> <span class="n" style="color: #333;">uNSAFE_COERCE</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"UnsafeRefl"</span><span class="p">)</span>     <span class="n" style="color: #333;">unsafeReflDataConKey</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1339" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeCoercePrimName</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">varQual</span> <span class="n" style="color: #333;">uNSAFE_COERCE</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"unsafeCoerce#"</span><span class="p">)</span> <span class="n" style="color: #333;">unsafeCoercePrimIdKey</span></span>
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<pre style="margin: 0;">-<span id="LC1341" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeCoerceName</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">varQual</span> <span class="n" style="color: #333;">uNSAFE_COERCE</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"unsafeCoerce"</span><span class="p">)</span>  <span class="n" style="color: #333;">unsafeCoerceIdKey</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1340" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1341" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Dynamic</span></span>
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<pre style="margin: 0;"> <span id="LC1342" class="line" lang="haskell"><span class="n" style="color: #333;">toDynName</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Name</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="2409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2411,10 +2409,9 @@ naturalSDataConKey      = mkPreludeMiscIdUnique 568</td>
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<pre style="margin: 0;"> <span id="LC2409" class="line" lang="haskell"><span class="n" style="color: #333;">wordToNaturalIdKey</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkPreludeMiscIdUnique</span> <span class="mi" style="color: #099;">569</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC2410" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC2411" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Unsafe coercion proofs</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2414" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC2414" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeEqualityProofIdKey</span><span class="p">,</span> <span class="n" style="color: #333;">unsafeCoercePrimIdKey</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">unsafeCoerceIdKey</span></span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Unique</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2412" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeEqualityProofIdKey</span><span class="p">,</span> <span class="n" style="color: #333;">unsafeCoercePrimIdKey</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Unique</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2415" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2415
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<td class="diff-line-num new_line" data-linenumber="2413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2413
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<pre style="margin: 0;"> <span id="LC2413" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeEqualityProofIdKey</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkPreludeMiscIdUnique</span> <span class="mi" style="color: #099;">570</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2416" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2416
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<td class="diff-line-num new_line" data-linenumber="2414" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2414
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<pre style="margin: 0;"> <span id="LC2414" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeCoercePrimIdKey</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkPreludeMiscIdUnique</span> <span class="mi" style="color: #099;">571</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2417" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2417
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<td class="diff-line-num new_line old" data-linenumber="2415" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC2417" class="line" lang="haskell"><span class="n" style="color: #333;">unsafeCoerceIdKey</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkPreludeMiscIdUnique</span> <span class="mi" style="color: #099;">572</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2418" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2418
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<td class="diff-line-num new_line" data-linenumber="2415" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2415
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<pre style="margin: 0;"> <span id="LC2415" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2419
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<td class="diff-line-num new_line" data-linenumber="2416" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2416
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<pre style="margin: 0;"> <span id="LC2416" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2420" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2420
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<td class="diff-line-num new_line" data-linenumber="2417" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2417
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<pre style="margin: 0;"> <span id="LC2417" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
</pre>
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<br>
</li>
<li id="783e5dae6e86931f06700fc088fb7d48c8a07386">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#783e5dae6e86931f06700fc088fb7d48c8a07386"><strong>compiler/GHC/Core/Coercion.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="2187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2187,7 +2187,7 @@ coercionLKind co</td>
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<pre style="margin: 0;"> <span id="LC2187" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConAppCo</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">cos</span><span class="p">)</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkTyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">cos</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="2188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2188
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<pre style="margin: 0;"> <span id="LC2188" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AppCo</span> <span class="n" style="color: #333;">co1</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span>          <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkAppTy</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2189
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<td class="diff-line-num new_line" data-linenumber="2189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2189
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<pre style="margin: 0;"> <span id="LC2189" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForAllCo</span> <span class="n" style="color: #333;">tv1</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkTyCoInvForAllTy</span> <span class="n" style="color: #333;">tv1</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2190" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2190
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<td class="diff-line-num new_line old" data-linenumber="2190" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC2190" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunCo</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">co1</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mk<span class="idiff left right">VisFunTy</span></span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2191" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2190" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2190
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<pre style="margin: 0;">+<span id="LC2190" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunCo</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">co1</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mk<span class="idiff left right">FunctionType</span></span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2191" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2191
</td>
<td class="diff-line-num new_line" data-linenumber="2191" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2191
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<pre style="margin: 0;"> <span id="LC2191" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoVarCo</span> <span class="n" style="color: #333;">cv</span><span class="p">)</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coVarLType</span> <span class="n" style="color: #333;">cv</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2192" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2192
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<td class="diff-line-num new_line" data-linenumber="2192" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC2192" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HoleCo</span> <span class="n" style="color: #333;">h</span><span class="p">)</span>               <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coVarLType</span> <span class="p">(</span><span class="n" style="color: #333;">coHoleCoVar</span> <span class="n" style="color: #333;">h</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2193" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2193
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<td class="diff-line-num new_line" data-linenumber="2193" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2193
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<pre style="margin: 0;"> <span id="LC2193" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UnivCo</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">ty1</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span>       <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty1</span></span>
</pre>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2244,7 +2244,7 @@ coercionRKind co</td>
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<pre style="margin: 0;"> <span id="LC2244" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AppCo</span> <span class="n" style="color: #333;">co1</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span>          <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkAppTy</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC2245" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoVarCo</span> <span class="n" style="color: #333;">cv</span><span class="p">)</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coVarRType</span> <span class="n" style="color: #333;">cv</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC2246" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HoleCo</span> <span class="n" style="color: #333;">h</span><span class="p">)</span>               <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coVarRType</span> <span class="p">(</span><span class="n" style="color: #333;">coHoleCoVar</span> <span class="n" style="color: #333;">h</span><span class="p">)</span></span>
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<td class="diff-line-num new_line old" data-linenumber="2247" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC2247" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunCo</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">co1</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mk<span class="idiff left right">VisFunTy</span></span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC2247" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunCo</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">co1</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mk<span class="idiff left right">FunctionType</span></span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC2248" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UnivCo</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">ty2</span><span class="p">)</span>       <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty2</span></span>
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<pre style="margin: 0;"> <span id="LC2249" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SymCo</span> <span class="n" style="color: #333;">co</span><span class="p">)</span>               <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionLKind</span> <span class="n" style="color: #333;">co</span></span>
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<pre style="margin: 0;"> <span id="LC2250" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TransCo</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span>          <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">co2</span></span>
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</table>
<br>
</li>
<li id="f2f5de8b9f31451d693079c2a2d27fb47b18a3f4">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#f2f5de8b9f31451d693079c2a2d27fb47b18a3f4"><strong>compiler/GHC/Core/Opt/Driver.hs</strong></a>
<hr>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="37" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="37" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -37,7 +37,7 @@ import GHC.Core.Opt.FloatOut ( floatOutwards )</td>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.FamInstEnv</span></span>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Id</span></span>
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Error</span>  <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">withTiming</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">withTimingD</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">DumpFormat</span> <span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>
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<td class="diff-line-num new_line old" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC40" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Basic</span><span class="idiff left">  </span><span class="p"><span class="idiff">(</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CompilerPhase</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">isDefaultInlinePragma</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">defaultInlinePragma</span></span><span class="idiff"> </span><span class="p"><span class="idiff right">)</span></span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC40" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Basic</span></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var.Set</span></span>
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var.Env</span></span>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Opt.LiberateCase</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">liberateCase</span> <span class="p">)</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -141,8 +141,10 @@ getCoreToDo dflags</td>
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<pre style="margin: 0;"> <span id="LC141" class="line" lang="haskell"></span>
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<td class="diff-line-num old_line" data-linenumber="142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC142" class="line" lang="haskell">    <span class="n" style="color: #333;">maybe_rule_check</span> <span class="n" style="color: #333;">phase</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">runMaybe</span> <span class="n" style="color: #333;">rule_check</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoreDoRuleCheck</span> <span class="n" style="color: #333;">phase</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC143" class="line" lang="haskell"></span>
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<td class="diff-line-num old old_line" data-linenumber="144" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="144" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC144" class="line" lang="haskell">    <span class="n" style="color: #333;">maybe_strictness_before</span> <span class="n" style="color: #333;">phase</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="145" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="144" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC145" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">runWhen</span> <span class="p">(</span><span class="n" style="color: #333;">phase</span> <span class="p">`</span><span class="n" style="color: #333;">elem</span><span class="p">`</span> <span class="n" style="color: #333;">strictnessBefore</span> <span class="n" style="color: #333;">dflags</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoDemand</span></span>
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<td class="diff-line-num new old_line" data-linenumber="146" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC144" class="line" lang="haskell">    <span class="n" style="color: #333;">maybe_strictness_before</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Phase</span> <span class="n" style="color: #333;">phase</span><span class="p">)</span></span>
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<td class="diff-line-num new old_line" data-linenumber="146" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC145" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">phase</span> <span class="p">`</span><span class="n" style="color: #333;">elem</span><span class="p">`</span> <span class="n" style="color: #333;">strictnessBefore</span> <span class="n" style="color: #333;">dflags</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoDemand</span></span>
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<td class="diff-line-num new old_line" data-linenumber="146" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC146" class="line" lang="haskell">    <span class="n" style="color: #333;">maybe_strictness_before</span> <span class="kr" style="font-weight: 600;">_</span></span>
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<td class="diff-line-num new new_line" data-linenumber="147" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC147" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoNothing</span></span>
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<pre style="margin: 0;"> <span id="LC148" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC149" class="line" lang="haskell">    <span class="n" style="color: #333;">base_mode</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SimplMode</span> <span class="p">{</span> <span class="n" style="color: #333;">sm_phase</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">panic</span> <span class="s" style="color: #d14;">"base_mode"</span></span>
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<pre style="margin: 0;"> <span id="LC150" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">sm_names</span>      <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="154" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -152,20 +154,20 @@ getCoreToDo dflags</td>
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<pre style="margin: 0;"> <span id="LC154" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">sm_inline</span>     <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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<pre style="margin: 0;"> <span id="LC155" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">sm_case_case</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="p">}</span></span>
</pre>
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154
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<td class="diff-line-num new_line" data-linenumber="156" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
156
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<pre style="margin: 0;"> <span id="LC156" class="line" lang="haskell"></span>
</pre>
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155
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<td class="diff-line-num new_line old" data-linenumber="157" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC155" class="line" lang="haskell">    <span class="n" style="color: #333;">simpl_phase</span> <span class="n" style="color: #333;">phase</span> <span class="n" style="color: #333;">name<span class="idiff left right">s</span></span> <span class="n" style="color: #333;">iter</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="156" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="157" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
157
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<pre style="margin: 0;">+<span id="LC157" class="line" lang="haskell">    <span class="n" style="color: #333;">simpl_phase</span> <span class="n" style="color: #333;">phase</span> <span class="n" style="color: #333;">name</span> <span class="n" style="color: #333;">iter</span></span>
</pre>
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156
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<td class="diff-line-num new_line" data-linenumber="158" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
158
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<pre style="margin: 0;"> <span id="LC158" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoPasses</span></span>
</pre>
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157
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<td class="diff-line-num new_line" data-linenumber="159" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
159
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<pre style="margin: 0;"> <span id="LC159" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">$</span>   <span class="p">[</span> <span class="n" style="color: #333;">maybe_strictness_before</span> <span class="n" style="color: #333;">phase</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="158" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
158
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<td class="diff-line-num new_line" data-linenumber="160" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
160
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell">          <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoSimplify</span> <span class="n" style="color: #333;">iter</span></span>
</pre>
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159
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<td class="diff-line-num new_line old" data-linenumber="161" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC159" class="line" lang="haskell">                <span class="p">(</span><span class="n" style="color: #333;">base_mode</span> <span class="p">{</span> <span class="n" style="color: #333;">sm_phase</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Phase</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">phase</span></span>
</pre>
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160
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<td class="diff-line-num new_line old" data-linenumber="161" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC160" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">sm_names</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left right">names</span></span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="161" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC161" class="line" lang="haskell">                <span class="p">(</span><span class="n" style="color: #333;">base_mode</span> <span class="p">{</span> <span class="n" style="color: #333;">sm_phase</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">phase</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC162" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">sm_names</span> <span class="o" style="font-weight: 600;">=</span> <span class="p"><span class="idiff left">[</span></span><span class="n" style="color: #333;"><span class="idiff">name</span></span><span class="p"><span class="idiff right">]</span></span> <span class="p">})</span></span>
</pre>
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161
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<td class="diff-line-num new_line" data-linenumber="163" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
163
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<pre style="margin: 0;"> <span id="LC163" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="164" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC162" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">maybe_rule_check</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Phase</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">phase</span></span><span class="p"><span class="idiff right">)</span></span> <span class="p">]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="163" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="164" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC164" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">maybe_rule_check</span> <span class="n" style="color: #333;"><span class="idiff left right">phase</span></span> <span class="p">]</span></span>
</pre>
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163
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<td class="diff-line-num new_line" data-linenumber="165" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
165
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<pre style="margin: 0;"> <span id="LC165" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="164" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="166" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC164" class="line" lang="haskell">    <span class="n" style="color: #333;">simpl_phases</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoPasses</span> <span class="p">[</span> <span class="n" style="color: #333;">simpl_phase</span> <span class="n" style="color: #333;">phase</span> <span class="p">[</span><span class="s" style="color: #d14;">"main"</span><span class="p">]</span> <span class="n" style="color: #333;">max_iter</span></span>
</pre>
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165
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<pre style="margin: 0;">-<span id="LC165" class="line" lang="haskell">                                <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">phase</span> <span class="o" style="font-weight: 600;"><-</span> <span class="p">[</span><span class="n" style="color: #333;">phases</span><span class="p">,</span> <span class="n" style="color: #333;">phases</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">..</span> <span class="mi" style="color: #099;">1</span><span class="p">]</span> <span class="p">]</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC166" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Run GHC's internal simplification phase, after all rules have run.</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC167" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Compiler phases] in GHC.Types.Basic</span></span>
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<pre style="margin: 0;">+<span id="LC168" class="line" lang="haskell">    <span class="n" style="color: #333;">simplify</span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">simpl_phase</span> <span class="n" style="color: #333;">finalPhase</span> <span class="n" style="color: #333;">name</span> <span class="n" style="color: #333;">max_iter</span></span>
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<pre style="margin: 0;"> <span id="LC169" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC167" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC168" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- initial simplify: mk specialiser happy: minimum effort please</span></span>
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<pre style="margin: 0;">+<span id="LC170" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- initial simplify: mk specialiser happy: minimum effort please</span></span>
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<pre style="margin: 0;"> <span id="LC171" class="line" lang="haskell">    <span class="n" style="color: #333;">simpl_gently</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoSimplify</span> <span class="n" style="color: #333;">max_iter</span></span>
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<pre style="margin: 0;"> <span id="LC172" class="line" lang="haskell">                       <span class="p">(</span><span class="n" style="color: #333;">base_mode</span> <span class="p">{</span> <span class="n" style="color: #333;">sm_phase</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">InitialPhase</span></span>
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<pre style="margin: 0;"> <span id="LC173" class="line" lang="haskell">                                  <span class="p">,</span> <span class="n" style="color: #333;">sm_names</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="s" style="color: #d14;">"Gentle"</span><span class="p">]</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -182,7 +184,7 @@ getCoreToDo dflags</td>
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<pre style="margin: 0;"> <span id="LC184" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC185" class="line" lang="haskell">    <span class="n" style="color: #333;">demand_analyser</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoreDoPasses</span> <span class="p">(</span></span>
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<pre style="margin: 0;"> <span id="LC186" class="line" lang="haskell">                           <span class="n" style="color: #333;">dmd_cpr_ww</span> <span class="o" style="font-weight: 600;">++</span></span>
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<pre style="margin: 0;">-<span id="LC185" class="line" lang="haskell">                           <span class="p">[</span><span class="n" style="color: #333;">simpl<span class="idiff left">_phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="s" style="color: #d14;"><span class="idiff">"post-worker-wrapper"</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">max_iter</span></span><span class="p">]</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC187" class="line" lang="haskell">                           <span class="p">[</span><span class="n" style="color: #333;">simpl<span class="idiff left">ify</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff right">"post-worker-wrapper"</span></span><span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC188" class="line" lang="haskell">                           <span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC189" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC190" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Static forms are moved to the top level with the FloatOut pass.</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -203,7 +205,7 @@ getCoreToDo dflags</td>
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<pre style="margin: 0;"> <span id="LC205" class="line" lang="haskell">     <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">opt_level</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span> <span class="kr" style="font-weight: 600;">then</span></span>
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<pre style="margin: 0;"> <span id="LC206" class="line" lang="haskell">       <span class="p">[</span> <span class="n" style="color: #333;">static_ptrs_float_outwards</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC207" class="line" lang="haskell">         <span class="kt" style="color: #458; font-weight: 600;">CoreDoSimplify</span> <span class="n" style="color: #333;">max_iter</span></span>
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<pre style="margin: 0;">-<span id="LC206" class="line" lang="haskell">             <span class="p">(</span><span class="n" style="color: #333;">base_mode</span> <span class="p">{</span> <span class="n" style="color: #333;">sm_phase</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff right">0</span></span></span>
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<pre style="margin: 0;">+<span id="LC208" class="line" lang="haskell">             <span class="p">(</span><span class="n" style="color: #333;">base_mode</span> <span class="p">{</span> <span class="n" style="color: #333;">sm_phase</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left right">finalPhase</span></span></span>
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<pre style="margin: 0;"> <span id="LC209" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">sm_names</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="s" style="color: #d14;">"Non-opt simplification"</span><span class="p">]</span> <span class="p">})</span></span>
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<pre style="margin: 0;"> <span id="LC210" class="line" lang="haskell">       <span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC253" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- GHC.Iface.Tidy.StaticPtrTable.</span></span>
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<pre style="margin: 0;"> <span id="LC254" class="line" lang="haskell">           <span class="n" style="color: #333;">static_ptrs_float_outwards</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC255" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC254" class="line" lang="haskell">        <span class="n" style="color: #333;">simpl_phases</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC255" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC256" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Run the simplier phases 2,1,0 to allow rewrite rules to fire</span></span>
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<pre style="margin: 0;">+<span id="LC257" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">CoreDoPasses</span> <span class="p">[</span> <span class="n" style="color: #333;">simpl_phase</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Phase</span> <span class="n" style="color: #333;">phase</span><span class="p">)</span> <span class="s" style="color: #d14;">"main"</span> <span class="n" style="color: #333;">max_iter</span></span>
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<pre style="margin: 0;">+<span id="LC258" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">phase</span> <span class="o" style="font-weight: 600;"><-</span> <span class="p">[</span><span class="n" style="color: #333;">phases</span><span class="p">,</span> <span class="n" style="color: #333;">phases</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">..</span> <span class="mi" style="color: #099;">1</span><span class="p">]</span> <span class="p">],</span></span>
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<pre style="margin: 0;">+<span id="LC259" class="line" lang="haskell">        <span class="n" style="color: #333;">simpl_phase</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Phase</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="s" style="color: #d14;">"main"</span> <span class="p">(</span><span class="n" style="color: #333;">max</span> <span class="n" style="color: #333;">max_iter</span> <span class="mi" style="color: #099;">3</span><span class="p">),</span></span>
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<pre style="margin: 0;"> <span id="LC260" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Phase 0: allow all Ids to be inlined now</span></span>
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<pre style="margin: 0;"> <span id="LC261" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- This gets foldr inlined before strictness analysis</span></span>
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<pre style="margin: 0;"> <span id="LC262" class="line" lang="haskell"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="263" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="267" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -263,7 +267,6 @@ getCoreToDo dflags</td>
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<pre style="margin: 0;"> <span id="LC267" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- ==>  let k = BIG in letrec go = \xs -> ...(k x).... in go xs</span></span>
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<pre style="margin: 0;"> <span id="LC268" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- ==>  let k = BIG in letrec go = \xs -> ...(BIG x).... in go xs</span></span>
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<pre style="margin: 0;"> <span id="LC269" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Don't stop now!</span></span>
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<pre style="margin: 0;">-<span id="LC266" class="line" lang="haskell">        <span class="n" style="color: #333;">simpl_phase</span> <span class="mi" style="color: #099;">0</span> <span class="p">[</span><span class="s" style="color: #d14;">"main"</span><span class="p">]</span> <span class="p">(</span><span class="n" style="color: #333;">max</span> <span class="n" style="color: #333;">max_iter</span> <span class="mi" style="color: #099;">3</span><span class="p">),</span></span>
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<pre style="margin: 0;"> <span id="LC270" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC271" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">do_float_in</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoFloatInwards</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC272" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- Run float-inwards immediately before the strictness analyser</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="274" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="277" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -274,9 +277,10 @@ getCoreToDo dflags</td>
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<pre style="margin: 0;"> <span id="LC277" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC278" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">call_arity</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoPasses</span></span>
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<td class="diff-line-num old_line" data-linenumber="276" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC279" class="line" lang="haskell">            <span class="p">[</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoCallArity</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="280" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC277" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">simpl<span class="idiff left">_phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="s" style="color: #d14;"><span class="idiff">"post-call-arity"</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">max_iter</span></span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC280" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">simpl<span class="idiff left">ify</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff right">"post-call-arity"</span></span></span>
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<pre style="margin: 0;"> <span id="LC281" class="line" lang="haskell">            <span class="p">],</span></span>
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<pre style="margin: 0;"> <span id="LC282" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="280" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC283" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Strictness analysis</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC284" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">strictness</span> <span class="n" style="color: #333;">demand_analyser</span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC285" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC286" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">exitification</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoExitify</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC306" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC307" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">do_float_in</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoFloatInwards</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC308" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC305" class="line" lang="haskell">        <span class="n" style="color: #333;">maybe_rule_check</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="p"><span class="idiff right">)</span>,</span></span>
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<pre style="margin: 0;">+<span id="LC309" class="line" lang="haskell">        <span class="n" style="color: #333;">maybe_rule_check</span> <span class="n" style="color: #333;"><span class="idiff left right">finalPhase</span></span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC310" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC311" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Case-liberation for -O2.  This should be after</span></span>
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<pre style="margin: 0;"> <span id="LC312" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- strictness analysis and the simplification which follows it.</span></span>
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<pre style="margin: 0;"> <span id="LC313" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">liberate_case</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoreDoPasses</span> <span class="p">[</span></span>
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<pre style="margin: 0;"> <span id="LC314" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">CoreLiberateCase</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC311" class="line" lang="haskell">            <span class="n" style="color: #333;">simpl<span class="idiff left">_phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="s" style="color: #d14;"><span class="idiff">"post-liberate-case"</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">max_iter</span></span></span>
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<pre style="margin: 0;">+<span id="LC315" class="line" lang="haskell">            <span class="n" style="color: #333;">simpl<span class="idiff left">ify</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff right">"post-liberate-case"</span></span></span>
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<pre style="margin: 0;"> <span id="LC316" class="line" lang="haskell">            <span class="p">]),</span>         <span class="c1" style="color: #998; font-style: italic;">-- Run the simplifier after LiberateCase to vastly</span></span>
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<pre style="margin: 0;"> <span id="LC317" class="line" lang="haskell">                        <span class="c1" style="color: #998; font-style: italic;">-- reduce the possibility of shadowing</span></span>
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<pre style="margin: 0;"> <span id="LC318" class="line" lang="haskell">                        <span class="c1" style="color: #998; font-style: italic;">-- Reason: see Note [Shadowing] in GHC.Core.Opt.SpecConstr</span></span>
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<pre style="margin: 0;"> <span id="LC319" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">spec_constr</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoSpecConstr</span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC321" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="318" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="322" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC318" class="line" lang="haskell">        <span class="n" style="color: #333;">maybe_rule_check</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="p"><span class="idiff right">)</span>,</span></span>
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<td class="diff-line-num new old_line" data-linenumber="319" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC322" class="line" lang="haskell">        <span class="n" style="color: #333;">maybe_rule_check</span> <span class="n" style="color: #333;"><span class="idiff left right">finalPhase</span></span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC323" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC324" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">late_specialise</span></span>
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<pre style="margin: 0;"> <span id="LC325" class="line" lang="haskell">          <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoreDoPasses</span> <span class="p">[</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoSpecialising</span></span>
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<td class="diff-line-num new_line old" data-linenumber="326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC322" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">simpl<span class="idiff left">_phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="s" style="color: #d14;"><span class="idiff">"post-late-spec"</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">max_iter</span></span><span class="p">]),</span></span>
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<pre style="margin: 0;">+<span id="LC326" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">simpl<span class="idiff left">ify</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff right">"post-late-spec"</span></span><span class="p">]),</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC327" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="328" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC328" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- LiberateCase can yield new CSE opportunities because it peels</span></span>
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<pre style="margin: 0;"> <span id="LC329" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- off one layer of a recursive function (concretely, I saw this</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="328" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="332" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -328,11 +332,10 @@ getCoreToDo dflags</td>
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<pre style="margin: 0;"> <span id="LC332" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="p">((</span><span class="n" style="color: #333;">liberate_case</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">spec_constr</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">cse</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">CoreCSE</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC333" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC334" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Final clean-up simplification:</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="331" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="335" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC331" class="line" lang="haskell">        <span class="n" style="color: #333;">simpl<span class="idiff left">_phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="s" style="color: #d14;"><span class="idiff">"final"</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">max_iter</span></span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC335" class="line" lang="haskell">        <span class="n" style="color: #333;">simpl<span class="idiff left">ify</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff right">"final"</span></span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC336" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="333" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC337" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="n" style="color: #333;">late_dmd_anal</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoPasses</span> <span class="p">(</span></span>
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<pre style="margin: 0;">-<span id="LC334" class="line" lang="haskell">            <span class="n" style="color: #333;">dmd_cpr_ww</span> <span class="o" style="font-weight: 600;">++</span></span>
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<pre style="margin: 0;">-<span id="LC335" class="line" lang="haskell">            <span class="p">[</span><span class="n" style="color: #333;">simpl_phase</span> <span class="mi" style="color: #099;">0</span> <span class="p">[</span><span class="s" style="color: #d14;">"post-late-ww"</span><span class="p">]</span> <span class="n" style="color: #333;">max_iter</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC338" class="line" lang="haskell">            <span class="n" style="color: #333;">dmd_cpr_ww</span> <span class="o" style="font-weight: 600;">++</span> <span class="p">[</span><span class="n" style="color: #333;">simplify</span> <span class="s" style="color: #d14;">"post-late-ww"</span><span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC339" class="line" lang="haskell">          <span class="p">),</span></span>
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<pre style="margin: 0;"> <span id="LC340" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC341" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Final run of the demand_analyser, ensures that one-shot thunks are</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -342,7 +345,7 @@ getCoreToDo dflags</td>
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<pre style="margin: 0;"> <span id="LC345" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- can become /exponentially/ more expensive. See #11731, #12996.</span></span>
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<pre style="margin: 0;"> <span id="LC346" class="line" lang="haskell">        <span class="n" style="color: #333;">runWhen</span> <span class="p">(</span><span class="n" style="color: #333;">strictness</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">late_dmd_anal</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">CoreDoDemand</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC347" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC345" class="line" lang="haskell">        <span class="n" style="color: #333;">maybe_rule_check</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Phase</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="p"><span class="idiff right">)</span></span></span>
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<pre style="margin: 0;">+<span id="LC348" class="line" lang="haskell">        <span class="n" style="color: #333;">maybe_rule_check</span> <span class="n" style="color: #333;"><span class="idiff left right">finalPhase</span></span></span>
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<pre style="margin: 0;"> <span id="LC349" class="line" lang="haskell">     <span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC350" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC351" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Remove 'CoreDoNothing' and flatten 'CoreDoPasses' for clarity.</span></span>
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<br>
</li>
<li id="f168a93cde5e2aec2441d6331dfe500172df4af3">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#f168a93cde5e2aec2441d6331dfe500172df4af3"><strong>compiler/GHC/Core/Opt/Simplify.hs</strong></a>
<hr>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -43,12 +43,15 @@ import GHC.Types.Cpr    ( mkCprSig, botCpr )</td>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Ppr</span>     <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">pprCoreExpr</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Unfold</span></span>
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Utils</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Arity</span>     <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">etaExpand</span> <span class="p">)</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.SimpleOpt</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">pushCoTyArg</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pushCoValArg</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell">                          <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">joinPointBinding_maybe</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">joinPointBindings_maybe</span> <span class="p">)</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC49" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.FVs</span>     <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">mkRuleInfo</span> <span class="p">)</span></span>
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<td class="diff-line-num new_line" data-linenumber="50" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Rules</span>   <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">lookupRule</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">getRules</span> <span class="p">)</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC51" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Basic</span>  <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">isNotTopLevel</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isTopLevel</span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC51" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">RecFlag</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="kt" style="color: #458; font-weight: 600;">Arity</span> <span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="52" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC52" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">RecFlag</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="kt" style="color: #458; font-weight: 600;">Activation</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="52" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="53" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC53" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">SourceText</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="kt" style="color: #458; font-weight: 600;">InlineSpec</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">activeDuringFinal</span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC54" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">Arity</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Monad</span>  <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">mapAccumLM</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">liftIO</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC56" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var</span>    <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">isTyCoVar</span> <span class="p">)</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.Maybe</span>   <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">orElse</span> <span class="p">)</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="315" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -315,8 +318,8 @@ simplLazyBind env top_lvl is_rec bndr bndr1 rhs rhs_se</td>
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<pre style="margin: 0;"> <span id="LC318" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC319" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- ANF-ise a constructor or PAP rhs</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- We get at most one float per argument here</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC318" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">let_floats</span><span class="p">,</span> <span class="n" style="color: #333;">b<span class="idiff left">ody2</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="cp" style="color: #999; font-weight: 600;"><span class="idiff">{-#SCC "prepareRhs" #-}</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">prepareRhs</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">getMode</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">top_lvl</span></span></span>
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<pre style="margin: 0;">-<span id="LC319" class="line" lang="haskell">                                        <span class="idiff left">    </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">getOccFS</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bndr1</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">idInfo</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bndr1</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">body1</span></span>
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<pre style="margin: 0;">+<span id="LC321" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">let_floats</span><span class="p">,</span> <span class="n" style="color: #333;">b<span class="idiff left">ndr2</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">body2</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="cp" style="color: #999; font-weight: 600;"><span class="idiff right">{-#SCC "prepareBinding" #-}</span></span></span>
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<pre style="margin: 0;">+<span id="LC322" class="line" lang="haskell">                                        <span class="n" style="color: #333;"><span class="idiff left">prepareBinding</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">top_lvl</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bndr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">bndr1</span></span> <span class="n" style="color: #333;">body1</span></span>
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<pre style="margin: 0;"> <span id="LC323" class="line" lang="haskell">        <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">body_floats2</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body_floats1</span> <span class="p">`</span><span class="n" style="color: #333;">addLetFloats</span><span class="p">`</span> <span class="n" style="color: #333;">let_floats</span></span>
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<pre style="margin: 0;"> <span id="LC324" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC325" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">rhs_floats</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -341,7 +344,7 @@ simplLazyBind env top_lvl is_rec bndr bndr1 rhs rhs_se</td>
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<pre style="margin: 0;"> <span id="LC344" class="line" lang="haskell">                        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC345" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC346" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">bind_float</span><span class="p">,</span> <span class="n" style="color: #333;">env2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">completeBind</span> <span class="p">(</span><span class="n" style="color: #333;">env</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromF</span><span class="p">`</span> <span class="n" style="color: #333;">rhs_floats</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC344" class="line" lang="haskell">                                             <span class="n" style="color: #333;">top_lvl</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">bndr<span class="idiff left right">1</span></span> <span class="n" style="color: #333;">rhs'</span></span>
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<pre style="margin: 0;">+<span id="LC347" class="line" lang="haskell">                                             <span class="n" style="color: #333;">top_lvl</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">bndr<span class="idiff left right">2</span></span> <span class="n" style="color: #333;">rhs'</span></span>
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<pre style="margin: 0;"> <span id="LC348" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">rhs_floats</span> <span class="p">`</span><span class="n" style="color: #333;">addFloats</span><span class="p">`</span> <span class="n" style="color: #333;">bind_float</span><span class="p">,</span> <span class="n" style="color: #333;">env2</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC349" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC350" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--------------------------</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -393,16 +396,16 @@ completeNonRecX :: TopLevelFlag -> SimplEnv</td>
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<pre style="margin: 0;"> <span id="LC396" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC397" class="line" lang="haskell"><span class="n" style="color: #333;">completeNonRecX</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">is_strict</span> <span class="n" style="color: #333;">old_bndr</span> <span class="n" style="color: #333;">new_bndr</span> <span class="n" style="color: #333;">new_rhs</span></span>
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<pre style="margin: 0;"> <span id="LC398" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ASSERT2</span><span class="p">(</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isJoinId</span> <span class="n" style="color: #333;">new_bndr</span><span class="p">),</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">new_bndr</span> <span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC396" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">prepd_floats</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left">rhs1</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">prepareRhs</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">getMode</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">top_lvl</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">getOccFS</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">new_bndr</span></span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC397" class="line" lang="haskell">              <span class="idiff left">                               </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">idInfo</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">new_bndr</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">new_rhs</span></span>
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<pre style="margin: 0;">+<span id="LC399" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">prepd_floats</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left">new_bndr</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">new_rhs</span></span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC400" class="line" lang="haskell">              <span class="o" style="font-weight: 600;"><span class="idiff left"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">prepareBinding</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">top_lvl</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">old_bndr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">new_bndr</span></span> <span class="n" style="color: #333;">new_rhs</span></span>
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<pre style="margin: 0;"> <span id="LC401" class="line" lang="haskell">        <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">floats</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyFloats</span> <span class="n" style="color: #333;">env</span> <span class="p">`</span><span class="n" style="color: #333;">addLetFloats</span><span class="p">`</span> <span class="n" style="color: #333;">prepd_floats</span></span>
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<pre style="margin: 0;"> <span id="LC402" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">rhs_floats</span><span class="p">,</span> <span class="n" style="color: #333;">rhs2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span></span>
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<pre style="margin: 0;">-<span id="LC400" class="line" lang="haskell">                <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">doFloatFromRhs</span> <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="kt" style="color: #458; font-weight: 600;">NonRecursive</span> <span class="n" style="color: #333;">is_strict</span> <span class="n" style="color: #333;">floats</span> <span class="n" style="color: #333;"><span class="idiff left right">rhs1</span></span></span>
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<pre style="margin: 0;">+<span id="LC403" class="line" lang="haskell">                <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">doFloatFromRhs</span> <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="kt" style="color: #458; font-weight: 600;">NonRecursive</span> <span class="n" style="color: #333;">is_strict</span> <span class="n" style="color: #333;">floats</span> <span class="n" style="color: #333;"><span class="idiff left right">new_rhs</span></span></span>
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<pre style="margin: 0;"> <span id="LC404" class="line" lang="haskell">                <span class="kr" style="font-weight: 600;">then</span>    <span class="c1" style="color: #998; font-style: italic;">-- Add the floats to the main env</span></span>
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<pre style="margin: 0;"> <span id="LC405" class="line" lang="haskell">                     <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">tick</span> <span class="kt" style="color: #458; font-weight: 600;">LetFloatFromLet</span></span>
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<pre style="margin: 0;">-<span id="LC403" class="line" lang="haskell">                        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left right">rhs1</span></span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC406" class="line" lang="haskell">                        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left right">new_rhs</span></span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC407" class="line" lang="haskell">                <span class="kr" style="font-weight: 600;">else</span>    <span class="c1" style="color: #998; font-style: italic;">-- Do not float; wrap the floats around the RHS</span></span>
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<pre style="margin: 0;">-<span id="LC405" class="line" lang="haskell">                     <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">emptyFloats</span> <span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">wrapFloats</span> <span class="n" style="color: #333;">floats</span> <span class="n" style="color: #333;"><span class="idiff left right">rhs1</span></span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC408" class="line" lang="haskell">                     <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">emptyFloats</span> <span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">wrapFloats</span> <span class="n" style="color: #333;">floats</span> <span class="n" style="color: #333;"><span class="idiff left right">new_rhs</span></span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC409" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC410" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">bind_float</span><span class="p">,</span> <span class="n" style="color: #333;">env2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">completeBind</span> <span class="p">(</span><span class="n" style="color: #333;">env</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromF</span><span class="p">`</span> <span class="n" style="color: #333;">rhs_floats</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC411" class="line" lang="haskell">                                             <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="412" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -412,12 +415,146 @@ completeNonRecX top_lvl env is_strict old_bndr new_bndr new_rhs</td>
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<pre style="margin: 0;"> <span id="LC415" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC416" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- *********************************************************************</span></span>
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<pre style="margin: 0;"> <span id="LC417" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*                                                                      *</span></span>
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<pre style="margin: 0;">-<span id="LC415" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">           prepareRhs, makeTrivial</span></span>
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<pre style="margin: 0;">+<span id="LC418" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">           prepare<span class="idiff left right">Binding, prepare</span>Rhs, makeTrivial</span></span>
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<pre style="margin: 0;"> <span id="LC419" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*                                                                      *</span></span>
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<pre style="margin: 0;"> <span id="LC420" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;"> <span id="LC421" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC419" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [prepareRhs]</span></span>
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<pre style="margin: 0;">-<span id="LC420" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;">+<span id="LC422" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Cast worker/wrappers]</span></span>
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<pre style="margin: 0;">+<span id="LC423" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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424
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<pre style="margin: 0;">+<span id="LC424" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">When we have a binding</span></span>
</pre>
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425
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<pre style="margin: 0;">+<span id="LC425" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   x = e |> co</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="426" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
426
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<pre style="margin: 0;">+<span id="LC426" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">we want to do something very similar to worker/wrapper:</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="427" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
427
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<pre style="margin: 0;">+<span id="LC427" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   $wx = e</span></span>
</pre>
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428
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<pre style="margin: 0;">+<span id="LC428" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   x = $wx |> co</span></span>
</pre>
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429
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<pre style="margin: 0;">+<span id="LC429" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="430" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
430
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<pre style="margin: 0;">+<span id="LC430" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">So now x can be inlined freely.  There's a chance that e will be a</span></span>
</pre>
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431
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<pre style="margin: 0;">+<span id="LC431" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">constructor application or function, or something like that, so moving</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="432" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
432
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<pre style="margin: 0;">+<span id="LC432" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the coercion to the usage site may well cancel the coercions and lead</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="433" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC433" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">to further optimisation.  Example:</span></span>
</pre>
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434
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<pre style="margin: 0;">+<span id="LC434" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="435" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
435
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<pre style="margin: 0;">+<span id="LC435" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     data family T a :: *</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="436" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
436
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<pre style="margin: 0;">+<span id="LC436" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     data instance T Int = T Int</span></span>
</pre>
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437
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<pre style="margin: 0;">+<span id="LC437" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="438" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
438
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<pre style="margin: 0;">+<span id="LC438" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     foo :: Int -> Int -> Int</span></span>
</pre>
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439
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<pre style="margin: 0;">+<span id="LC439" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     foo m n = ...</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="440" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
440
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<pre style="margin: 0;">+<span id="LC440" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        where</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="441" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
441
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<pre style="margin: 0;">+<span id="LC441" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">          t = T m</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="442" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
442
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<pre style="margin: 0;">+<span id="LC442" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">          go 0 = 0</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="443" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
443
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<pre style="margin: 0;">+<span id="LC443" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">          go n = case t of { T m -> go (n-m) }</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC444" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">                -- This case should optimise</span></span>
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<pre style="margin: 0;">+<span id="LC445" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC446" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">We call this making a cast worker/wrapper, and it'd done by prepareBinding.</span></span>
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<pre style="margin: 0;">+<span id="LC447" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC448" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">We need to be careful with inline/noinline pragmas:</span></span>
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<pre style="margin: 0;">+<span id="LC449" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  rec { {-# NOINLINE f #-}</span></span>
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<pre style="margin: 0;">+<span id="LC450" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        f = (...g...) |> co</span></span>
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<pre style="margin: 0;">+<span id="LC451" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      ; g = ...f... }</span></span>
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<pre style="margin: 0;">+<span id="LC452" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This is legitimate -- it tells GHC to use f as the loop breaker</span></span>
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<pre style="margin: 0;">+<span id="LC453" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">rather than g.  Now we do the cast thing, to get something like</span></span>
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<pre style="margin: 0;">+<span id="LC454" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  rec { $wf = ...g...</span></span>
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<pre style="margin: 0;">+<span id="LC455" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      ; f = $wf |> co</span></span>
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<pre style="margin: 0;">+<span id="LC456" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      ; g = ...f... }</span></span>
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<pre style="margin: 0;">+<span id="LC457" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Where should the NOINLINE pragma go?  If we leave it on f we'll get</span></span>
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<pre style="margin: 0;">+<span id="LC458" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  rec { $wf = ...g...</span></span>
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<pre style="margin: 0;">+<span id="LC459" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      ; {-# NOINLINE f #-}</span></span>
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<pre style="margin: 0;">+<span id="LC460" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        f = $wf |> co</span></span>
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<pre style="margin: 0;">+<span id="LC461" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      ; g = ...f... }</span></span>
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<pre style="margin: 0;">+<span id="LC462" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">and that is bad bad: the whole point is that we want to inline that</span></span>
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<pre style="margin: 0;">+<span id="LC463" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">cast!  We want to transfer the pagma to $wf:</span></span>
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<pre style="margin: 0;">+<span id="LC464" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  rec { {-# NOINLINE $wf #-}</span></span>
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<pre style="margin: 0;">+<span id="LC465" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        $wf = ...g...</span></span>
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<pre style="margin: 0;">+<span id="LC466" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      ; f = $wf |> co</span></span>
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<pre style="margin: 0;">+<span id="LC467" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      ; g = ...f... }</span></span>
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<pre style="margin: 0;">+<span id="LC468" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">It's exactly like worker/wrapper for strictness analysis:</span></span>
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<pre style="margin: 0;">+<span id="LC469" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f is the wrapper and must inline like crazy</span></span>
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<pre style="margin: 0;">+<span id="LC470" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  $wf is the worker and must carry f's original pragma</span></span>
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<pre style="margin: 0;">+<span id="LC471" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">See Note [Worker-wrapper for NOINLINE functions] in</span></span>
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<pre style="margin: 0;">+<span id="LC472" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">GHC.Core.Opt.WorkWrap.</span></span>
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<pre style="margin: 0;">+<span id="LC473" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC474" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">See #17673, #18093, #18078.</span></span>
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<pre style="margin: 0;">+<span id="LC475" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC476" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Preserve strictness in cast w/w]</span></span>
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<pre style="margin: 0;">+<span id="LC477" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC478" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">In the Note [Cast worker/wrappers] transformation, keep the strictness info.</span></span>
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<pre style="margin: 0;">+<span id="LC479" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Eg</span></span>
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<pre style="margin: 0;">+<span id="LC480" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        f = e `cast` co    -- f has strictness SSL</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC481" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">When we transform to</span></span>
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<pre style="margin: 0;">+<span id="LC482" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        f' = e             -- f' also has strictness SSL</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC483" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        f = f' `cast` co   -- f still has strictness SSL</span></span>
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484
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<pre style="margin: 0;">+<span id="LC484" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="485" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
485
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<pre style="margin: 0;">+<span id="LC485" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Its not wrong to drop it on the floor, but better to keep it.</span></span>
</pre>
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486
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<pre style="margin: 0;">+<span id="LC486" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="487" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
487
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<pre style="margin: 0;">+<span id="LC487" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Cast w/w: unlifted]</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="488" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
488
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<pre style="margin: 0;">+<span id="LC488" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="489" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
489
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<pre style="margin: 0;">+<span id="LC489" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">BUT don't do cast worker/wrapper if 'e' has an unlifted type.</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="490" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
490
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<pre style="margin: 0;">+<span id="LC490" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This *can* happen:</span></span>
</pre>
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491
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<pre style="margin: 0;">+<span id="LC491" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="492" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
492
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<pre style="margin: 0;">+<span id="LC492" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     foo :: Int = (error (# Int,Int #) "urk")</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="493" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
493
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<pre style="margin: 0;">+<span id="LC493" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">                  `cast` CoUnsafe (# Int,Int #) Int</span></span>
</pre>
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494
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<pre style="margin: 0;">+<span id="LC494" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="495" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
495
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<pre style="margin: 0;">+<span id="LC495" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If do the makeTrivial thing to the error call, we'll get</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="496" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
496
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<pre style="margin: 0;">+<span id="LC496" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    foo = case error (# Int,Int #) "urk" of v -> v `cast` ...</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="497" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
497
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<pre style="margin: 0;">+<span id="LC497" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">But 'v' isn't in scope!</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="498" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
498
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<pre style="margin: 0;">+<span id="LC498" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="499" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
499
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<pre style="margin: 0;">+<span id="LC499" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">These strange casts can happen as a result of case-of-case</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="500" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
500
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<pre style="margin: 0;">+<span id="LC500" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        bar = case (case x of { T -> (# 2,3 #); F -> error "urk" }) of</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="501" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
501
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<pre style="margin: 0;">+<span id="LC501" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">                (# p,q #) -> p+q</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="502" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
502
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<pre style="margin: 0;">+<span id="LC502" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="503" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
503
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<pre style="margin: 0;">+<span id="LC503" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">NOTE: Nowadays we don't use casts for these error functions;</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC504" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">instead, we use (case erorr ... of {}). So I'm not sure</span></span>
</pre>
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505
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<pre style="margin: 0;">+<span id="LC505" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">this Note makes much sense any more.</span></span>
</pre>
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506
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<pre style="margin: 0;">+<span id="LC506" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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507
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<pre style="margin: 0;">+<span id="LC507" class="line" lang="haskell"></span>
</pre>
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508
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<pre style="margin: 0;">+<span id="LC508" class="line" lang="haskell"><span class="n" style="color: #333;">prepareBinding</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span></span>
</pre>
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509
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<pre style="margin: 0;">+<span id="LC509" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InId</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutId</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span></span>
</pre>
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510
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<pre style="margin: 0;">+<span id="LC510" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LetFloats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OutId</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span><span class="p">)</span></span>
</pre>
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511
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<pre style="margin: 0;">+<span id="LC511" class="line" lang="haskell"></span>
</pre>
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512
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<pre style="margin: 0;">+<span id="LC512" class="line" lang="haskell"><span class="n" style="color: #333;">prepareBinding</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">old_bndr</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">rhs</span></span>
</pre>
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513
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<pre style="margin: 0;">+<span id="LC513" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Cast</span> <span class="n" style="color: #333;">rhs1</span> <span class="n" style="color: #333;">co</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rhs</span></span>
</pre>
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514
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<pre style="margin: 0;">+<span id="LC514" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Try for cast worker/wrapper</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="515" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
515
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<pre style="margin: 0;">+<span id="LC515" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Cast worker/wrappers]</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="516" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
516
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<pre style="margin: 0;">+<span id="LC516" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isStableUnfolding</span> <span class="p">(</span><span class="n" style="color: #333;">realIdUnfolding</span> <span class="n" style="color: #333;">old_bndr</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="517" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
517
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<pre style="margin: 0;">+<span id="LC517" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Don't make a cast w/w if the thing is going to be inlined anyway</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="518" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
518
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<pre style="margin: 0;">+<span id="LC518" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">exprIsTrivial</span> <span class="n" style="color: #333;">rhs1</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="519" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
519
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<pre style="margin: 0;">+<span id="LC519" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Nor if the RHS is trivial; then again it'll be inlined</span></span>
</pre>
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520
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<pre style="margin: 0;">+<span id="LC520" class="line" lang="haskell">  <span class="p">,</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">ty1</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionLKind</span> <span class="n" style="color: #333;">co</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="521" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
521
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<pre style="margin: 0;">+<span id="LC521" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isUnliftedType</span> <span class="n" style="color: #333;">ty1</span><span class="p">)</span></span>
</pre>
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522
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<pre style="margin: 0;">+<span id="LC522" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Not if rhs has an unlifted type; see Note [Cast w/w: unlifted]</span></span>
</pre>
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523
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<pre style="margin: 0;">+<span id="LC523" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">new_id</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">makeTrivialBinding</span> <span class="p">(</span><span class="n" style="color: #333;">getMode</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">top_lvl</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="524" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
524
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<pre style="margin: 0;">+<span id="LC524" class="line" lang="haskell">                                   <span class="p">(</span><span class="n" style="color: #333;">getOccFS</span> <span class="n" style="color: #333;">bndr</span><span class="p">)</span> <span class="n" style="color: #333;">worker_info</span> <span class="n" style="color: #333;">rhs1</span> <span class="n" style="color: #333;">ty1</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
525
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<pre style="margin: 0;">+<span id="LC525" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">bndr'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bndr</span> <span class="p">`</span><span class="n" style="color: #333;">setInlinePragma</span><span class="p">`</span> <span class="n" style="color: #333;">mkCastWrapperInlinePrag</span> <span class="p">(</span><span class="n" style="color: #333;">idInlinePragma</span> <span class="n" style="color: #333;">bndr</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="526" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
526
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<pre style="margin: 0;">+<span id="LC526" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">bndr'</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Cast</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">new_id</span><span class="p">)</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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527
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<pre style="margin: 0;">+<span id="LC527" class="line" lang="haskell"></span>
</pre>
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528
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<pre style="margin: 0;">+<span id="LC528" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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529
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<pre style="margin: 0;">+<span id="LC529" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">prepareRhs</span> <span class="p">(</span><span class="n" style="color: #333;">getMode</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">top_lvl</span> <span class="p">(</span><span class="n" style="color: #333;">getOccFS</span> <span class="n" style="color: #333;">bndr</span><span class="p">)</span> <span class="n" style="color: #333;">rhs</span></span>
</pre>
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530
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<pre style="margin: 0;">+<span id="LC530" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">bndr</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
531
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<pre style="margin: 0;">+<span id="LC531" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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532
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<pre style="margin: 0;">+<span id="LC532" class="line" lang="haskell">   <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">idInfo</span> <span class="n" style="color: #333;">bndr</span></span>
</pre>
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533
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<pre style="margin: 0;">+<span id="LC533" class="line" lang="haskell">   <span class="n" style="color: #333;">worker_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vanillaIdInfo</span> <span class="p">`</span><span class="n" style="color: #333;">setStrictnessInfo</span><span class="p">`</span> <span class="n" style="color: #333;">strictnessInfo</span> <span class="n" style="color: #333;">info</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
534
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<pre style="margin: 0;">+<span id="LC534" class="line" lang="haskell">                               <span class="p">`</span><span class="n" style="color: #333;">setCprInfo</span><span class="p">`</span>        <span class="n" style="color: #333;">cprInfo</span> <span class="n" style="color: #333;">info</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
535
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<pre style="margin: 0;">+<span id="LC535" class="line" lang="haskell">                               <span class="p">`</span><span class="n" style="color: #333;">setDemandInfo</span><span class="p">`</span>     <span class="n" style="color: #333;">demandInfo</span> <span class="n" style="color: #333;">info</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
536
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<pre style="margin: 0;">+<span id="LC536" class="line" lang="haskell">                               <span class="p">`</span><span class="n" style="color: #333;">setInlinePragInfo</span><span class="p">`</span> <span class="n" style="color: #333;">inlinePragInfo</span> <span class="n" style="color: #333;">info</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="537" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
537
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<pre style="margin: 0;">+<span id="LC537" class="line" lang="haskell">                               <span class="p">`</span><span class="n" style="color: #333;">setArityInfo</span><span class="p">`</span>      <span class="n" style="color: #333;">arityInfo</span> <span class="n" style="color: #333;">info</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="538" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
538
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<pre style="margin: 0;">+<span id="LC538" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- We do /not/ want to transfer OccInfo, Rules, Unfolding</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="539" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
539
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<pre style="margin: 0;">+<span id="LC539" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- Note [Preserve strictness in cast w/w]</span></span>
</pre>
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540
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<pre style="margin: 0;">+<span id="LC540" class="line" lang="haskell"></span>
</pre>
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541
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<pre style="margin: 0;">+<span id="LC541" class="line" lang="haskell"><span class="n" style="color: #333;">mkCastWrapperInlinePrag</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span></span>
</pre>
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542
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<pre style="margin: 0;">+<span id="LC542" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Cast wrappers]</span></span>
</pre>
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543
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<pre style="margin: 0;">+<span id="LC543" class="line" lang="haskell"><span class="n" style="color: #333;">mkCastWrapperInlinePrag</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span> <span class="p">{</span> <span class="n" style="color: #333;">inl_act</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">act</span><span class="p">,</span> <span class="n" style="color: #333;">inl_rule</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rule_info</span> <span class="p">})</span></span>
</pre>
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544
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<pre style="margin: 0;">+<span id="LC544" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span> <span class="p">{</span> <span class="n" style="color: #333;">inl_src</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SourceText</span> <span class="s" style="color: #d14;">"{-# INLINE"</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="545" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
545
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<pre style="margin: 0;">+<span id="LC545" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">inl_inline</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoUserInline</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Wrapper NoUserInline]</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="546" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
546
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<pre style="margin: 0;">+<span id="LC546" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">inl_sat</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>      <span class="c1" style="color: #998; font-style: italic;">--     in GHC.Core.Opt.WorkWrap</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
547
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<pre style="margin: 0;">+<span id="LC547" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">inl_act</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">wrap_act</span>     <span class="c1" style="color: #998; font-style: italic;">-- See Note [Wrapper activation]</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="548" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
548
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<pre style="margin: 0;">+<span id="LC548" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">inl_rule</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rule_info</span> <span class="p">}</span>  <span class="c1" style="color: #998; font-style: italic;">--     in GHC.Core.Opt.WorkWrap</span></span>
</pre>
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549
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<pre style="margin: 0;">+<span id="LC549" class="line" lang="haskell">                                <span class="c1" style="color: #998; font-style: italic;">-- RuleMatchInfo is (and must be) unaffected</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="550" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
550
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<pre style="margin: 0;">+<span id="LC550" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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551
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<pre style="margin: 0;">+<span id="LC551" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Wrapper activation] in GHC.Core.Opt.WorkWrap</span></span>
</pre>
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552
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<pre style="margin: 0;">+<span id="LC552" class="line" lang="haskell">    <span class="n" style="color: #333;">wrap_act</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">act</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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553
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<pre style="margin: 0;">+<span id="LC553" class="line" lang="haskell">                   <span class="kt" style="color: #458; font-weight: 600;">NeverActive</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">activeDuringFinal</span>  <span class="c1" style="color: #998; font-style: italic;">-- Inline late because of rules</span></span>
</pre>
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554
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<pre style="margin: 0;">+<span id="LC554" class="line" lang="haskell">                   <span class="kr" style="font-weight: 600;">_</span>           <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">act</span></span>
</pre>
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555
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<pre style="margin: 0;">+<span id="LC555" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC556" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [prepareRhs]</span></span>
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<pre style="margin: 0;">+<span id="LC557" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;"> <span id="LC558" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">prepareRhs takes a putative RHS, checks whether it's a PAP or</span></span>
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<pre style="margin: 0;"> <span id="LC559" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">constructor application and, if so, converts it to ANF, so that the</span></span>
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<pre style="margin: 0;"> <span id="LC560" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">resulting thing can be inlined more easily.  Thus</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -435,26 +572,16 @@ That's what the 'go' loop in prepareRhs does</td>
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<pre style="margin: 0;"> <span id="LC572" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC573" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC574" class="line" lang="haskell"><span class="n" style="color: #333;">prepareRhs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplMode</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span></span>
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<td class="diff-line-num new_line old" data-linenumber="575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC438" class="line" lang="haskell">           <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span>   <span class="c1" style="color: #998; font-style: italic;">-- Base for any new variables</span></span>
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<pre style="margin: 0;">-<span id="LC439" class="line" lang="haskell">           <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IdInfo</span>       <span class="c1" style="color: #998; font-style: italic;">-- IdInfo for the LHS of this binding</span></span>
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<pre style="margin: 0;">+<span id="LC575" class="line" lang="haskell">           <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span>    <span class="c1" style="color: #998; font-style: italic;">-- Base for any new variables</span></span>
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440
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<pre style="margin: 0;"> <span id="LC576" class="line" lang="haskell">           <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span></span>
</pre>
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441
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<td class="diff-line-num new_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC577" class="line" lang="haskell">           <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LetFloats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span><span class="p">)</span></span>
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<td class="diff-line-num new_line old" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC442" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Transforms a RHS into a better RHS by adding floats</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC578" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Transforms a RHS into a better RHS by ANF'ing args</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC579" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- for expandable RHSs: constructors and PAPs</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC580" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- e.g        x = Just e</span></span>
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<pre style="margin: 0;"> <span id="LC581" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- becomes    a = e</span></span>
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445
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582
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<pre style="margin: 0;"> <span id="LC582" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--            x = Just a</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="446" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
446
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583
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<pre style="margin: 0;"> <span id="LC583" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [prepareRhs]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="447" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
447
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC447" class="line" lang="haskell"><span class="n" style="color: #333;">prepareRhs</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ</span> <span class="n" style="color: #333;">info</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Cast</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">co</span><span class="p">)</span>  <span class="c1" style="color: #998; font-style: italic;">-- Note [Float coercions]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="448" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
448
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC448" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">ty1</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionLKind</span> <span class="n" style="color: #333;">co</span>         <span class="c1" style="color: #998; font-style: italic;">-- Do *not* do this if rhs has an unlifted type</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="449" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
449
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC449" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isUnliftedType</span> <span class="n" style="color: #333;">ty1</span><span class="p">)</span>                 <span class="c1" style="color: #998; font-style: italic;">-- see Note [Float coercions (unlifted)]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="450" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
450
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<pre style="margin: 0;">-<span id="LC450" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">makeTrivialWithInfo</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ</span> <span class="n" style="color: #333;">sanitised_info</span> <span class="n" style="color: #333;">rhs</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="451" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
451
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC451" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Cast</span> <span class="n" style="color: #333;">rhs'</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="452" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
452
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC452" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="453" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
453
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC453" class="line" lang="haskell">    <span class="n" style="color: #333;">sanitised_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vanillaIdInfo</span> <span class="p">`</span><span class="n" style="color: #333;">setStrictnessInfo</span><span class="p">`</span> <span class="n" style="color: #333;">strictnessInfo</span> <span class="n" style="color: #333;">info</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="454" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
454
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC454" class="line" lang="haskell">                                   <span class="p">`</span><span class="n" style="color: #333;">setCprInfo</span><span class="p">`</span>        <span class="n" style="color: #333;">cprInfo</span> <span class="n" style="color: #333;">info</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="455" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
455
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC455" class="line" lang="haskell">                                   <span class="p">`</span><span class="n" style="color: #333;">setDemandInfo</span><span class="p">`</span>     <span class="n" style="color: #333;">demandInfo</span> <span class="n" style="color: #333;">info</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="456" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
456
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC456" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="457" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
457
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<td class="diff-line-num new_line old" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC457" class="line" lang="haskell"><span class="n" style="color: #333;">prepareRhs</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">rhs0</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="458" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
584
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<pre style="margin: 0;">+<span id="LC584" class="line" lang="haskell"><span class="n" style="color: #333;">prepareRhs</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ</span> <span class="n" style="color: #333;">rhs0</span></span>
</pre>
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458
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<td class="diff-line-num new_line" data-linenumber="585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
585
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<pre style="margin: 0;"> <span id="LC585" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">_is_exp</span><span class="p">,</span> <span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">rhs1</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">go</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">rhs0</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="459" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
459
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<td class="diff-line-num new_line" data-linenumber="586" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
586
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<pre style="margin: 0;"> <span id="LC586" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">rhs1</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="460" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
460
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<td class="diff-line-num new_line" data-linenumber="587" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
587
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<pre style="margin: 0;"> <span id="LC587" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -498,61 +625,10 @@ prepareRhs mode top_lvl occ _ rhs0</td>
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<pre style="margin: 0;"> <span id="LC625" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">other</span></span>
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<pre style="margin: 0;"> <span id="LC626" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">False</span><span class="p">,</span> <span class="n" style="color: #333;">emptyLetFloats</span><span class="p">,</span> <span class="n" style="color: #333;">other</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC627" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC501" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">-<span id="LC502" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Float coercions]</span></span>
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<pre style="margin: 0;">-<span id="LC503" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;">-<span id="LC504" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">When we find the binding</span></span>
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<pre style="margin: 0;">-<span id="LC505" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        x = e `cast` co</span></span>
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<pre style="margin: 0;">-<span id="LC506" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">we'd like to transform it to</span></span>
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<pre style="margin: 0;">-<span id="LC507" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        x' = e</span></span>
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<pre style="margin: 0;">-<span id="LC508" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        x = x `cast` co         -- A trivial binding</span></span>
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<pre style="margin: 0;">-<span id="LC509" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">There's a chance that e will be a constructor application or function, or something</span></span>
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<pre style="margin: 0;">-<span id="LC510" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">like that, so moving the coercion to the usage site may well cancel the coercions</span></span>
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<pre style="margin: 0;">-<span id="LC511" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">and lead to further optimisation.  Example:</span></span>
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<pre style="margin: 0;">-<span id="LC512" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC513" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     data family T a :: *</span></span>
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<pre style="margin: 0;">-<span id="LC514" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     data instance T Int = T Int</span></span>
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<pre style="margin: 0;">-<span id="LC515" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC516" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     foo :: Int -> Int -> Int</span></span>
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<pre style="margin: 0;">-<span id="LC517" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     foo m n = ...</span></span>
</pre>
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518
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<pre style="margin: 0;">-<span id="LC518" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        where</span></span>
</pre>
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519
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<pre style="margin: 0;">-<span id="LC519" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">          x = T m</span></span>
</pre>
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520
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<pre style="margin: 0;">-<span id="LC520" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">          go 0 = 0</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="521" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
521
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<pre style="margin: 0;">-<span id="LC521" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">          go n = case x of { T m -> go (n-m) }</span></span>
</pre>
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522
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<pre style="margin: 0;">-<span id="LC522" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">                -- This case should optimise</span></span>
</pre>
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523
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<pre style="margin: 0;">-<span id="LC523" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="524" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
524
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<pre style="margin: 0;">-<span id="LC524" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Preserve strictness when floating coercions]</span></span>
</pre>
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525
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<pre style="margin: 0;">-<span id="LC525" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="526" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
526
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<td class="diff-line-num new_line old" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC526" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">In the Note [Float coercions] transformation, keep the strictness info.</span></span>
</pre>
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527
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<td class="diff-line-num new_line old" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC527" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Eg</span></span>
</pre>
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528
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<pre style="margin: 0;">-<span id="LC528" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        f = e `cast` co    -- f has strictness SSL</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="529" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
529
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<pre style="margin: 0;">-<span id="LC529" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">When we transform to</span></span>
</pre>
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530
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<pre style="margin: 0;">-<span id="LC530" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        f' = e             -- f' also has strictness SSL</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
531
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<pre style="margin: 0;">-<span id="LC531" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        f = f' `cast` co   -- f still has strictness SSL</span></span>
</pre>
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532
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<td class="diff-line-num new_line old" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC532" class="line" lang="haskell"></span>
</pre>
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533
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<pre style="margin: 0;">-<span id="LC533" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Its not wrong to drop it on the floor, but better to keep it.</span></span>
</pre>
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534
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<pre style="margin: 0;">-<span id="LC534" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
535
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<pre style="margin: 0;">-<span id="LC535" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Float coercions (unlifted)]</span></span>
</pre>
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536
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<pre style="margin: 0;">-<span id="LC536" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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537
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<pre style="margin: 0;">-<span id="LC537" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">BUT don't do [Float coercions] if 'e' has an unlifted type.</span></span>
</pre>
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538
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<td class="diff-line-num new_line old" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC538" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This *can* happen:</span></span>
</pre>
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539
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<td class="diff-line-num new_line old" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC539" class="line" lang="haskell"></span>
</pre>
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540
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<pre style="margin: 0;">-<span id="LC540" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     foo :: Int = (error (# Int,Int #) "urk")</span></span>
</pre>
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541
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<pre style="margin: 0;">-<span id="LC541" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">                  `cast` CoUnsafe (# Int,Int #) Int</span></span>
</pre>
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542
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<td class="diff-line-num new_line old" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC542" class="line" lang="haskell"></span>
</pre>
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543
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<pre style="margin: 0;">-<span id="LC543" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If do the makeTrivial thing to the error call, we'll get</span></span>
</pre>
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544
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<pre style="margin: 0;">-<span id="LC544" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    foo = case error (# Int,Int #) "urk" of v -> v `cast` ...</span></span>
</pre>
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545
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<td class="diff-line-num new_line old" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC545" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">But 'v' isn't in scope!</span></span>
</pre>
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546
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<pre style="margin: 0;">-<span id="LC546" class="line" lang="haskell"></span>
</pre>
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547
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<pre style="margin: 0;">-<span id="LC547" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">These strange casts can happen as a result of case-of-case</span></span>
</pre>
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548
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<pre style="margin: 0;">-<span id="LC548" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        bar = case (case x of { T -> (# 2,3 #); F -> error "urk" }) of</span></span>
</pre>
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549
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<pre style="margin: 0;">-<span id="LC549" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">                (# p,q #) -> p+q</span></span>
</pre>
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550
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<pre style="margin: 0;">-<span id="LC550" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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551
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<pre style="margin: 0;">-<span id="LC551" class="line" lang="haskell"></span>
</pre>
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552
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628
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<pre style="margin: 0;"> <span id="LC628" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivialArg</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplMode</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ArgSpec</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LetFloats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">ArgSpec</span><span class="p">)</span></span>
</pre>
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553
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<pre style="margin: 0;">-<span id="LC553" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivialArg</span> <span class="n" style="color: #333;">mode</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">ValArg</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">e</span></span><span class="p">)</span></span>
</pre>
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629
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<pre style="margin: 0;">+<span id="LC629" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivialArg</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;"><span class="idiff left">arg</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">ValArg</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as_arg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">e</span></span><span class="idiff"> </span><span class="p"><span class="idiff right">}</span>)</span></span>
</pre>
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554
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<pre style="margin: 0;"> <span id="LC630" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">e'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">makeTrivial</span> <span class="n" style="color: #333;">mode</span> <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"arg"</span><span class="p">)</span> <span class="n" style="color: #333;">e</span></span>
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<pre style="margin: 0;">-<span id="LC555" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">ValArg</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">e'</span></span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC631" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left">arg</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as_arg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">e'</span></span><span class="idiff"> </span><span class="p"><span class="idiff right">}</span>)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC632" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivialArg</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">arg</span></span>
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<pre style="margin: 0;"> <span id="LC633" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">emptyLetFloats</span><span class="p">,</span> <span class="n" style="color: #333;">arg</span><span class="p">)</span>  <span class="c1" style="color: #998; font-style: italic;">-- CastBy, TyArg</span></span>
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<pre style="margin: 0;"> <span id="LC634" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -561,29 +637,32 @@ makeTrivial :: SimplMode -> TopLevelFlag</td>
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<pre style="margin: 0;"> <span id="LC637" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span>     <span class="c1" style="color: #998; font-style: italic;">-- ^ This expression satisfies the let/app invariant</span></span>
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<pre style="margin: 0;"> <span id="LC638" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LetFloats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC639" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Binds the expression to a variable, if it's not trivial, returning the variable</span></span>
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<pre style="margin: 0;">-<span id="LC564" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivial</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">context</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC565" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">makeTrivialWithInfo</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">context</span> <span class="n" style="color: #333;">vanillaIdInfo</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;">-<span id="LC566" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC567" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivialWithInfo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplMode</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC568" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span>  <span class="c1" style="color: #998; font-style: italic;">-- ^ a "friendly name" to build the new binder from</span></span>
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<pre style="margin: 0;">-<span id="LC569" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IdInfo</span></span>
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<pre style="margin: 0;">-<span id="LC570" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span>     <span class="c1" style="color: #998; font-style: italic;">-- ^ This expression satisfies the let/app invariant</span></span>
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<pre style="margin: 0;">-<span id="LC571" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LetFloats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="572" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
572
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<td class="diff-line-num new_line old" data-linenumber="640" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC572" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Propagate strictness and demand info to the new binder</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
573
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<td class="diff-line-num new_line old" data-linenumber="640" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC573" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note [Preserve strictness when floating coercions]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
574
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<td class="diff-line-num new_line old" data-linenumber="640" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC574" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returned SimplEnv has same substitution as incoming one</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
575
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<td class="diff-line-num new_line old" data-linenumber="640" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC575" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivialWithInfo</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ_fs</span> <span class="n" style="color: #333;">info</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="640" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
640
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<pre style="margin: 0;">+<span id="LC640" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivial</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ_fs</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
576
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<td class="diff-line-num new_line" data-linenumber="641" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
641
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<pre style="margin: 0;"> <span id="LC641" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">exprIsTrivial</span> <span class="n" style="color: #333;">expr</span>                          <span class="c1" style="color: #998; font-style: italic;">-- Already trivial</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
577
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<td class="diff-line-num new_line" data-linenumber="642" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
642
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<pre style="margin: 0;"> <span id="LC642" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">bindingOk</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">expr_ty</span><span class="p">)</span>       <span class="c1" style="color: #998; font-style: italic;">-- Cannot trivialise</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
578
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<td class="diff-line-num new_line" data-linenumber="643" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
643
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<pre style="margin: 0;"> <span id="LC643" class="line" lang="haskell">                                                <span class="c1" style="color: #998; font-style: italic;">--   See Note [Cannot trivialise]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
579
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<td class="diff-line-num new_line" data-linenumber="644" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
644
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<pre style="margin: 0;"> <span id="LC644" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">emptyLetFloats</span><span class="p">,</span> <span class="n" style="color: #333;">expr</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
580
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<td class="diff-line-num new_line" data-linenumber="645" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
645
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<pre style="margin: 0;"> <span id="LC645" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="646" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
646
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<pre style="margin: 0;">+<span id="LC646" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Cast</span> <span class="n" style="color: #333;">expr'</span> <span class="n" style="color: #333;">co</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="647" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
647
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<pre style="margin: 0;">+<span id="LC647" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">triv_expr</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">makeTrivial</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ_fs</span> <span class="n" style="color: #333;">expr'</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="648" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
648
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<pre style="margin: 0;">+<span id="LC648" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Cast</span> <span class="n" style="color: #333;">triv_expr</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="649" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
649
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<pre style="margin: 0;">+<span id="LC649" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
581
</td>
<td class="diff-line-num new_line" data-linenumber="650" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
650
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<pre style="margin: 0;"> <span id="LC650" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
582
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<td class="diff-line-num new_line old" data-linenumber="651" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC582" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">expr1</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">prepareRhs</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ_fs</span> <span class="n" style="color: #333;">info</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
583
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<td class="diff-line-num new_line old" data-linenumber="651" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC583" class="line" lang="haskell">        <span class="p">;</span> <span class="kr" style="font-weight: 600;">if</span>   <span class="n" style="color: #333;">exprIsTrivial</span> <span class="n" style="color: #333;">expr1</span>  <span class="c1" style="color: #998; font-style: italic;">-- See Note [Trivial after prepareRhs]</span></span>
</pre>
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584
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<pre style="margin: 0;">-<span id="LC584" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">expr1</span><span class="p">)</span></span>
</pre>
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585
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<pre style="margin: 0;">-<span id="LC585" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">else</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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586
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<pre style="margin: 0;">-<span id="LC586" class="line" lang="haskell">        <span class="p">{</span> <span class="n" style="color: #333;">uniq</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getUniqueM</span></span>
</pre>
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651
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<pre style="margin: 0;">+<span id="LC651" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">new_id</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">makeTrivialBinding</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ_fs</span></span>
</pre>
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652
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<pre style="margin: 0;">+<span id="LC652" class="line" lang="haskell">                                                <span class="n" style="color: #333;">vanillaIdInfo</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">expr_ty</span></span>
</pre>
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653
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<pre style="margin: 0;">+<span id="LC653" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">new_id</span><span class="p">)</span> <span class="p">}</span></span>
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654
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<pre style="margin: 0;">+<span id="LC654" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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655
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<pre style="margin: 0;">+<span id="LC655" class="line" lang="haskell">    <span class="n" style="color: #333;">expr_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">exprType</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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656
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<pre style="margin: 0;">+<span id="LC656" class="line" lang="haskell"></span>
</pre>
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657
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<pre style="margin: 0;">+<span id="LC657" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivialBinding</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplMode</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span></span>
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<pre style="margin: 0;">+<span id="LC658" class="line" lang="haskell">                   <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span>  <span class="c1" style="color: #998; font-style: italic;">-- ^ a "friendly name" to build the new binder from</span></span>
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<pre style="margin: 0;">+<span id="LC659" class="line" lang="haskell">                   <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IdInfo</span></span>
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660
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<pre style="margin: 0;">+<span id="LC660" class="line" lang="haskell">                   <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span>     <span class="c1" style="color: #998; font-style: italic;">-- ^ This expression satisfies the let/app invariant</span></span>
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<td class="diff-line-num new new_line" data-linenumber="661" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
661
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<pre style="margin: 0;">+<span id="LC661" class="line" lang="haskell">                   <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span>     <span class="c1" style="color: #998; font-style: italic;">-- Type of the expression</span></span>
</pre>
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662
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<pre style="margin: 0;">+<span id="LC662" class="line" lang="haskell">                   <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LetFloats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OutId</span><span class="p">)</span></span>
</pre>
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663
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<pre style="margin: 0;">+<span id="LC663" class="line" lang="haskell"><span class="n" style="color: #333;">makeTrivialBinding</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ_fs</span> <span class="n" style="color: #333;">info</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">expr_ty</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="664" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC664" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats</span><span class="p">,</span> <span class="n" style="color: #333;">expr1</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">prepareRhs</span> <span class="n" style="color: #333;">mode</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">occ_fs</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;">+<span id="LC665" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">uniq</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getUniqueM</span></span>
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<pre style="margin: 0;"> <span id="LC666" class="line" lang="haskell">        <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkSystemVarName</span> <span class="n" style="color: #333;">uniq</span> <span class="n" style="color: #333;">occ_fs</span></span>
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<pre style="margin: 0;"> <span id="LC667" class="line" lang="haskell">              <span class="n" style="color: #333;">var</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkLocalIdWithInfo</span> <span class="n" style="color: #333;">name</span> <span class="n" style="color: #333;">expr_ty</span> <span class="n" style="color: #333;">info</span></span>
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<pre style="margin: 0;"> <span id="LC668" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -595,9 +674,7 @@ makeTrivialWithInfo mode top_lvl occ_fs info expr</td>
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<pre style="margin: 0;"> <span id="LC674" class="line" lang="haskell">        <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">final_id</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">addLetBndrInfo</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">arity</span> <span class="n" style="color: #333;">is_bot</span> <span class="n" style="color: #333;">unf</span></span>
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<pre style="margin: 0;"> <span id="LC675" class="line" lang="haskell">              <span class="n" style="color: #333;">bind</span>     <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NonRec</span> <span class="n" style="color: #333;">final_id</span> <span class="n" style="color: #333;">expr2</span></span>
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<pre style="margin: 0;"> <span id="LC676" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC598" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span> <span class="n" style="color: #333;">floats</span> <span class="p">`</span><span class="n" style="color: #333;">addLetFlts</span><span class="p">`</span> <span class="n" style="color: #333;">unitLetFloat</span> <span class="n" style="color: #333;">bind</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">final_id</span> <span class="p">)</span> <span class="p">}}</span></span>
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<pre style="margin: 0;">-<span id="LC599" class="line" lang="haskell">   <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC600" class="line" lang="haskell">     <span class="n" style="color: #333;">expr_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">exprType</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;">+<span id="LC677" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span> <span class="n" style="color: #333;">floats</span> <span class="p">`</span><span class="n" style="color: #333;">addLetFlts</span><span class="p">`</span> <span class="n" style="color: #333;">unitLetFloat</span> <span class="n" style="color: #333;">bind</span><span class="p">,</span> <span class="n" style="color: #333;">final_id</span> <span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC678" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC679" class="line" lang="haskell"><span class="n" style="color: #333;">bindingOk</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;"> <span id="LC680" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- True iff we can have a binding of this expression at this level</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -606,15 +683,8 @@ bindingOk top_lvl expr expr_ty</td>
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<pre style="margin: 0;"> <span id="LC683" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isTopLevel</span> <span class="n" style="color: #333;">top_lvl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">exprIsTopLevelBindable</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">expr_ty</span></span>
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607
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684
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<pre style="margin: 0;"> <span id="LC684" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>          <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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<td class="diff-line-num old_line" data-linenumber="608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
608
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685
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<pre style="margin: 0;"> <span id="LC685" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
609
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC609" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Trivial after prepareRhs]</span></span>
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610
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC610" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="611" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
611
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC611" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If we call makeTrival on (e |> co), the recursive use of prepareRhs</span></span>
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612
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC612" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">may leave us with</span></span>
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<td class="diff-line-num old old_line" data-linenumber="613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
613
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC613" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   { a1 = e }  and   (a1 |> co)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="614" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
614
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC614" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Now the latter is trivial, so we don't want to let-bind it.</span></span>
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615
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC615" class="line" lang="haskell"></span>
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<td class="diff-line-num old old_line" data-linenumber="616" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
616
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC616" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Cannot trivialise]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="617" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
617
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<td class="diff-line-num new_line old" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC617" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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686
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<pre style="margin: 0;">+<span id="LC686" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Cannot trivialise]</span></span>
</pre>
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687
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<pre style="margin: 0;">+<span id="LC687" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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618
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<td class="diff-line-num new_line" data-linenumber="688" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC688" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Consider:</span></span>
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619
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<pre style="margin: 0;"> <span id="LC689" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   f :: Int -> Addr#</span></span>
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<pre style="margin: 0;"> <span id="LC690" class="line" lang="haskell"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="696" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="766" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -696,7 +766,7 @@ completeBind env top_lvl mb_cont old_bndr new_bndr new_rhs</td>
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<pre style="margin: 0;"> <span id="LC766" class="line" lang="haskell"></span>
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<td class="diff-line-num old_line" data-linenumber="697" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC767" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Simplify the unfolding</span></span>
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<pre style="margin: 0;"> <span id="LC768" class="line" lang="haskell">      <span class="p">;</span> <span class="n" style="color: #333;">new_unfolding</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplLetUnfolding</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">mb_cont</span> <span class="n" style="color: #333;">old_bndr</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="769" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC699" class="line" lang="haskell">                          <span class="idiff left">                 </span><span class="n" style="color: #333;"><span class="idiff">final_rhs</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">idType</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">new_bndr</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">old_unf</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="700" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="769" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
769
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<pre style="margin: 0;">+<span id="LC769" class="line" lang="haskell">                          <span class="n" style="color: #333;"><span class="idiff left">final_rhs</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">idType</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">new_bndr</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">new_arity</span></span> <span class="n" style="color: #333;">old_unf</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="700" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
700
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<td class="diff-line-num new_line" data-linenumber="770" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
770
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<pre style="margin: 0;"> <span id="LC770" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="701" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
701
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<td class="diff-line-num new_line" data-linenumber="771" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
771
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<pre style="margin: 0;"> <span id="LC771" class="line" lang="haskell">      <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">final_bndr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">addLetBndrInfo</span> <span class="n" style="color: #333;">new_bndr</span> <span class="n" style="color: #333;">new_arity</span> <span class="n" style="color: #333;">is_bot</span> <span class="n" style="color: #333;">new_unfolding</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="702" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
702
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<td class="diff-line-num new_line" data-linenumber="772" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
772
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<pre style="margin: 0;"> <span id="LC772" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- See Note [In-scope set as a substitution]</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -928,6 +998,7 @@ simplExprF1 env (App fun arg) cont</td>
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<td class="diff-line-num old_line" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
928
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<td class="diff-line-num new_line" data-linenumber="998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
998
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<pre style="margin: 0;"> <span id="LC998" class="line" lang="haskell">                                <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="929" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
929
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<td class="diff-line-num new_line" data-linenumber="999" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
999
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<pre style="margin: 0;"> <span id="LC999" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">_</span>       <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">simplExprF</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">fun</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
930
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<td class="diff-line-num new_line" data-linenumber="1000" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1000
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<pre style="margin: 0;"> <span id="LC1000" class="line" lang="haskell">                 <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="931" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1001" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1001
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<pre style="margin: 0;">+<span id="LC1001" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">substTy</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">exprType</span> <span class="n" style="color: #333;">fun</span><span class="p">)</span></span>
</pre>
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931
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<td class="diff-line-num new_line" data-linenumber="1002" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1002
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<pre style="margin: 0;"> <span id="LC1002" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoDup</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="932" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
932
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<td class="diff-line-num new_line" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1003
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<pre style="margin: 0;"> <span id="LC1003" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="933" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
933
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<td class="diff-line-num new_line" data-linenumber="1004" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1004
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<pre style="margin: 0;"> <span id="LC1004" class="line" lang="haskell"><span class="n" style="color: #333;">simplExprF1</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">expr</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="p">{})</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1232" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1232,8 +1303,8 @@ rebuild env expr cont</td>
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1232
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<pre style="margin: 0;"> <span id="LC1303" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">Select</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_bndr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bndr</span><span class="p">,</span> <span class="n" style="color: #333;">sc_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alts</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">se</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1233" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1233
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<td class="diff-line-num new_line" data-linenumber="1304" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1304
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<pre style="margin: 0;"> <span id="LC1304" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">rebuildCase</span> <span class="p">(</span><span class="n" style="color: #333;">se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</span><span class="p">`</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">alts</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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1234
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<td class="diff-line-num new_line" data-linenumber="1305" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1305
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<pre style="margin: 0;"> <span id="LC1305" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1235" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1235
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<td class="diff-line-num new_line old" data-linenumber="1306" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1235" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">StrictArg</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1236" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1236
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<td class="diff-line-num new_line old" data-linenumber="1306" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1236" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">fun</span></span><span class="idiff"> </span><span class="p"><span class="idiff">`</span></span><span class="n" style="color: #333;"><span class="idiff">addValArgTo</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">expr</span></span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1306" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1306
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<pre style="margin: 0;">+<span id="LC1306" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">StrictArg</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">sc_fun_ty</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">fun_ty</span></span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1307" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1307
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<pre style="margin: 0;">+<span id="LC1307" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">addValArgTo</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">fun</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">expr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">fun_ty</span></span><span class="idiff right"> </span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1237
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<td class="diff-line-num new_line" data-linenumber="1308" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1308
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<pre style="margin: 0;"> <span id="LC1308" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">StrictBind</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_bndr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">b</span><span class="p">,</span> <span class="n" style="color: #333;">sc_bndrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bs</span><span class="p">,</span> <span class="n" style="color: #333;">sc_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1238" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1238
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<td class="diff-line-num new_line" data-linenumber="1309" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1309
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<pre style="margin: 0;"> <span id="LC1309" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">se</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1239" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1239
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<td class="diff-line-num new_line" data-linenumber="1310" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1310
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<pre style="margin: 0;"> <span id="LC1310" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats1</span><span class="p">,</span> <span class="n" style="color: #333;">env'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplNonRecX</span> <span class="p">(</span><span class="n" style="color: #333;">se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</span><span class="p">`</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">b</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1271" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1342" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1271,7 +1342,7 @@ In particular, we want to behave well on</td>
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1271
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<td class="diff-line-num new_line" data-linenumber="1342" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1342
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<pre style="margin: 0;"> <span id="LC1342" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1272" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1272
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<td class="diff-line-num new_line" data-linenumber="1343" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1343
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1343" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1273" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1273
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<td class="diff-line-num new_line" data-linenumber="1344" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1344
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<pre style="margin: 0;"> <span id="LC1344" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> * (f |> co) @t1 @t2 ... @tn x1 .. xm</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1274" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1274
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<td class="diff-line-num new_line old" data-linenumber="1345" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1274" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   Here we wil use pushCoTyArg and pushCoValArg successively, which</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1275" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1345" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1345
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1345" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   Here we wil<span class="idiff left right">l</span> use pushCoTyArg and pushCoValArg successively, which</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1275" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1275
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<td class="diff-line-num new_line" data-linenumber="1346" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1346
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1346" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   build up NthCo stacks.  Silly to do that if co is reflexive.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1276" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1276
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<td class="diff-line-num new_line" data-linenumber="1347" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1347
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1347" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1277" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1277
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<td class="diff-line-num new_line" data-linenumber="1348" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1348
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<pre style="margin: 0;"> <span id="LC1348" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">However, we don't want to call isReflexiveCo too much, because it uses</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1310" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1310,20 +1381,20 @@ simplCast env body co0 cont0</td>
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<pre style="margin: 0;"> <span id="LC1381" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC1382" class="line" lang="haskell">            <span class="n" style="color: #333;">co'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkTransCo</span> <span class="n" style="color: #333;">co1</span> <span class="n" style="color: #333;">co2</span></span>
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<pre style="margin: 0;"> <span id="LC1383" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC1313" class="line" lang="haskell">        <span class="n" style="color: #333;">addCoerce</span> <span class="n" style="color: #333;">co</span> <span class="n" style="color: #333;"><span class="idiff left">cont</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">@</span></span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tail</span> <span class="p">})</span></span>
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<pre style="margin: 0;">+<span id="LC1384" class="line" lang="haskell">        <span class="n" style="color: #333;">addCoerce</span> <span class="n" style="color: #333;">co</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tail</span> <span class="p">})</span></span>
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<pre style="margin: 0;"> <span id="LC1385" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">arg_ty'</span><span class="p">,</span> <span class="n" style="color: #333;">m_co'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pushCoTyArg</span> <span class="n" style="color: #333;">co</span> <span class="n" style="color: #333;">arg_ty</span></span>
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<td class="diff-line-num new_line old" data-linenumber="1386" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1315" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- N.B. As mentioned in Note [The hole type in ApplyToTy] this is</span></span>
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<pre style="margin: 0;">-<span id="LC1316" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- only needed by `sc_hole_ty` which is often not forced.</span></span>
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<pre style="margin: 0;">-<span id="LC1317" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- Consequently it is worthwhile using a lazy pattern match here to</span></span>
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<pre style="margin: 0;">-<span id="LC1318" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- avoid unnecessary coercionKind evaluations.</span></span>
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<pre style="margin: 0;">-<span id="LC1319" class="line" lang="haskell">          <span class="p">,</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionLKind</span> <span class="n" style="color: #333;">co</span></span>
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<pre style="margin: 0;"> <span id="LC1386" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">=</span> <span class="cp" style="color: #999; font-weight: 600;">{-#SCC "addCoerce-pushCoTyArg" #-}</span></span>
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<pre style="margin: 0;"> <span id="LC1387" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">tail'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addCoerceM</span> <span class="n" style="color: #333;">m_co'</span> <span class="n" style="color: #333;">tail</span></span>
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<pre style="margin: 0;">-<span id="LC1322" class="line" lang="haskell">               <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">cont</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty'</span></span>
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<pre style="margin: 0;">-<span id="LC1323" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span>  <span class="c1" style="color: #998; font-style: italic;">-- NB!  As the cast goes past, the</span></span>
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<pre style="margin: 0;">-<span id="LC1324" class="line" lang="haskell">                                                      <span class="c1" style="color: #998; font-style: italic;">-- type of the hole changes (#16312)</span></span>
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<td class="diff-line-num new_line old" data-linenumber="1388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1325" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tail'</span> <span class="p">})</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1326
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<td class="diff-line-num new_line old" data-linenumber="1388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1326" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1388
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<pre style="margin: 0;">+<span id="LC1388" class="line" lang="haskell">               <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty'</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1389
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<pre style="margin: 0;">+<span id="LC1389" class="line" lang="haskell">                                   <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tail'</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1390
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<pre style="margin: 0;">+<span id="LC1390" class="line" lang="haskell">                                   <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionLKind</span> <span class="n" style="color: #333;">co</span> <span class="p">})</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1391" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1391
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<pre style="margin: 0;">+<span id="LC1391" class="line" lang="haskell">                                        <span class="c1" style="color: #998; font-style: italic;">-- NB!  As the cast goes past, the</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1392" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1392
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<pre style="margin: 0;">+<span id="LC1392" class="line" lang="haskell">                                        <span class="c1" style="color: #998; font-style: italic;">-- type of the hole changes (#16312)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1393" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1393
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<pre style="margin: 0;">+<span id="LC1393" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1394" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1394
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<pre style="margin: 0;">+<span id="LC1394" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- (f |> co) e   ===>   (f (e |> co1)) |> co2</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1395" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1395
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<pre style="margin: 0;">+<span id="LC1395" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- where   co :: (s1->s2) ~ (t1~t2)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1396" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1396
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<pre style="margin: 0;">+<span id="LC1396" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--         co1 :: t1 ~ s1</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1397
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<pre style="margin: 0;">+<span id="LC1397" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--         co2 :: s2 ~ t2</span></span>
</pre>
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1327
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<td class="diff-line-num new_line" data-linenumber="1398" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1398
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<pre style="margin: 0;"> <span id="LC1398" class="line" lang="haskell">        <span class="n" style="color: #333;">addCoerce</span> <span class="n" style="color: #333;">co</span> <span class="n" style="color: #333;">cont</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_se</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1328" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1328
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<td class="diff-line-num new_line" data-linenumber="1399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1399
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<pre style="margin: 0;"> <span id="LC1399" class="line" lang="haskell">                                      <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dup</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tail</span> <span class="p">})</span></span>
</pre>
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1329
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<td class="diff-line-num new_line" data-linenumber="1400" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1400
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<pre style="margin: 0;"> <span id="LC1400" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">co1</span><span class="p">,</span> <span class="n" style="color: #333;">m_co2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pushCoValArg</span> <span class="n" style="color: #333;">co</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1347" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1418" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1347,7 +1418,8 @@ simplCast env body co0 cont0</td>
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<pre style="margin: 0;"> <span id="LC1418" class="line" lang="haskell">               <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkCast</span> <span class="n" style="color: #333;">arg'</span> <span class="n" style="color: #333;">co1</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1419" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_se'</span></span>
</pre>
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1349
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<td class="diff-line-num new_line" data-linenumber="1420" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1420
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<pre style="margin: 0;"> <span id="LC1420" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dup'</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1350" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1350
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<td class="diff-line-num new_line old" data-linenumber="1421" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1350" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tail'</span> <span class="p">})</span> <span class="p">}</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1351" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1421" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1421
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<pre style="margin: 0;">+<span id="LC1421" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tail'</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1351" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1422" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1422
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<pre style="margin: 0;">+<span id="LC1422" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionLKind</span> <span class="n" style="color: #333;">co</span> <span class="p">})</span> <span class="p">}</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1351" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1351
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<td class="diff-line-num new_line" data-linenumber="1423" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1423
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<pre style="margin: 0;"> <span id="LC1423" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1352" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1424" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1424
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<pre style="margin: 0;"> <span id="LC1424" class="line" lang="haskell">        <span class="n" style="color: #333;">addCoerce</span> <span class="n" style="color: #333;">co</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1353" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1353
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<td class="diff-line-num new_line" data-linenumber="1425" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1425" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isReflexiveCo</span> <span class="n" style="color: #333;">co</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">cont</span>  <span class="c1" style="color: #998; font-style: italic;">-- Having this at the end makes a huge</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1426" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1498" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1426,7 +1498,7 @@ simplLamBndr env bndr</td>
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<td class="diff-line-num new_line" data-linenumber="1498" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1498" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isId</span> <span class="n" style="color: #333;">bndr</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">hasCoreUnfolding</span> <span class="n" style="color: #333;">old_unf</span>   <span class="c1" style="color: #998; font-style: italic;">-- Special case</span></span>
</pre>
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1427
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<td class="diff-line-num new_line" data-linenumber="1499" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1499" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">env1</span><span class="p">,</span> <span class="n" style="color: #333;">bndr1</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplBinder</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">bndr</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1428" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1428
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<td class="diff-line-num new_line" data-linenumber="1500" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1500
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<pre style="margin: 0;"> <span id="LC1500" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">unf'</span>          <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplStableUnfolding</span> <span class="n" style="color: #333;">env1</span> <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="n" style="color: #333;">bndr</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1429" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1501" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1429" class="line" lang="haskell">                                      <span class="idiff left">         </span><span class="n" style="color: #333;"><span class="idiff">old_unf</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">idType</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bndr1</span></span><span class="p"><span class="idiff right">)</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1430" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1501" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1501
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<pre style="margin: 0;">+<span id="LC1501" class="line" lang="haskell">                                      <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">idType</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bndr1</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">idArity</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bndr1</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">old_unf</span></span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1502" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1502
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<pre style="margin: 0;"> <span id="LC1502" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">bndr2</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bndr1</span> <span class="p">`</span><span class="n" style="color: #333;">setIdUnfolding</span><span class="p">`</span> <span class="n" style="color: #333;">unf'</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1431" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1431
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<td class="diff-line-num new_line" data-linenumber="1503" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1503
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<pre style="margin: 0;"> <span id="LC1503" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">modifyInScope</span> <span class="n" style="color: #333;">env1</span> <span class="n" style="color: #333;">bndr2</span><span class="p">,</span> <span class="n" style="color: #333;">bndr2</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1432" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1432
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<td class="diff-line-num new_line" data-linenumber="1504" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1504
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<pre style="margin: 0;"> <span id="LC1504" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1874" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1946" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1874,22 +1946,24 @@ rebuildCall env info@(ArgInfo { ai_fun = fun, ai_args = rev_args</td>
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1874
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1946
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<pre style="margin: 0;"> <span id="LC1946" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">info</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastIt</span> <span class="n" style="color: #333;">co</span> <span class="n" style="color: #333;">cont</span><span class="p">)</span></span>
</pre>
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1875
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1947
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<pre style="margin: 0;"> <span id="LC1947" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addCastTo</span> <span class="n" style="color: #333;">info</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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1876
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1948
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<pre style="margin: 0;"> <span id="LC1948" class="line" lang="haskell"></span>
</pre>
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1877
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<td class="diff-line-num new_line old" data-linenumber="1949" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1877" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">info</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
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1878
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<pre style="margin: 0;">-<span id="LC1878" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addTyArgTo</span> <span class="n" style="color: #333;">info</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1879" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1949" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1949
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<pre style="margin: 0;">+<span id="LC1949" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">info</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_<span class="idiff left">hole_ty</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">hole_ty</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">sc_</span>cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1879" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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1950
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<pre style="margin: 0;">+<span id="LC1950" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addTyArgTo</span> <span class="n" style="color: #333;">info</span> <span class="n" style="color: #333;">arg_ty</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">hole_ty</span></span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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1879
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1951
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<pre style="margin: 0;"> <span id="LC1951" class="line" lang="haskell"></span>
</pre>
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1880
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<td class="diff-line-num new_line old" data-linenumber="1952" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1880" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_encl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">encl_rules</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ai_type</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">fun_ty</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1881" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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1952
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<pre style="margin: 0;">+<span id="LC1952" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_encl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">encl_rules</span></span>
</pre>
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1881
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1953
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<pre style="margin: 0;"> <span id="LC1953" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">ai_strs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">str</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">strs</span><span class="p">,</span> <span class="n" style="color: #333;">ai_discs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">disc</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">discs</span> <span class="p">})</span></span>
</pre>
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1882
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<td class="diff-line-num new_line" data-linenumber="1954" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1954
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<pre style="margin: 0;"> <span id="LC1954" class="line" lang="haskell">            <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_se</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1883" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1883
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<td class="diff-line-num new_line old" data-linenumber="1955" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1883" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dup_flag</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1884" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1955" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1955
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<pre style="margin: 0;">+<span id="LC1955" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dup_flag</span><span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_ty</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1884" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1956" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1956
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<pre style="margin: 0;">+<span id="LC1956" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1884" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1884
</td>
<td class="diff-line-num new_line" data-linenumber="1957" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1957
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<pre style="margin: 0;"> <span id="LC1957" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isSimplified</span> <span class="n" style="color: #333;">dup_flag</span>     <span class="c1" style="color: #998; font-style: italic;">-- See Note [Avoid redundant simplification]</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1885" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1885
</td>
<td class="diff-line-num new_line old" data-linenumber="1958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1885" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addValArgTo</span> <span class="n" style="color: #333;">info'</span> <span class="n" style="color: #333;">arg</span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1886" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1958
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1958" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addValArgTo</span> <span class="n" style="color: #333;">info'</span> <span class="n" style="color: #333;">arg</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">fun_ty</span></span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1886" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1886
</td>
<td class="diff-line-num new_line" data-linenumber="1959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1959
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<pre style="margin: 0;"> <span id="LC1959" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1887" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1887
</td>
<td class="diff-line-num new_line" data-linenumber="1960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1960
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<pre style="margin: 0;"> <span id="LC1960" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">str</span>         <span class="c1" style="color: #998; font-style: italic;">-- Strict argument</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1888" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1888
</td>
<td class="diff-line-num new_line" data-linenumber="1961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1961
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<pre style="margin: 0;"> <span id="LC1961" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">sm_case_case</span> <span class="p">(</span><span class="n" style="color: #333;">getMode</span> <span class="n" style="color: #333;">env</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1889" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1889
</td>
<td class="diff-line-num new_line" data-linenumber="1962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1962
</td>
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<pre style="margin: 0;"> <span id="LC1962" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="c1" style="color: #998; font-style: italic;">-- pprTrace "Strict Arg" (ppr arg $$ ppr (seIdSubst env) $$ ppr (seInScope env)) $</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1890" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1890
</td>
<td class="diff-line-num new_line" data-linenumber="1963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1963
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<pre style="margin: 0;"> <span id="LC1963" class="line" lang="haskell">    <span class="n" style="color: #333;">simplExprF</span> <span class="p">(</span><span class="n" style="color: #333;">arg_se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</span><span class="p">`</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">arg</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1891" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1891
</td>
<td class="diff-line-num new_line" data-linenumber="1964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1964
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<pre style="margin: 0;"> <span id="LC1964" class="line" lang="haskell">               <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">StrictArg</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">info'</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cci</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cci_strict</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1892" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1892
</td>
<td class="diff-line-num new_line old" data-linenumber="1965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1892" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1893" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1965
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1965" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_fun_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_ty</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1893" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1966
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1966" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1893" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1893
</td>
<td class="diff-line-num new_line" data-linenumber="1967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1967
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<pre style="margin: 0;"> <span id="LC1967" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Note [Shadowing]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1894" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1894
</td>
<td class="diff-line-num new_line" data-linenumber="1968" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1968
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1968" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1895" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1895
</td>
<td class="diff-line-num new_line" data-linenumber="1969" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1969
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1969" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>                           <span class="c1" style="color: #998; font-style: italic;">-- Lazy argument</span></span>
</pre>
</td>
</tr>
<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1899" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1973" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1899,7 +1973,7 @@ rebuildCall env info@(ArgInfo { ai_encl = encl_rules, ai_type = fun_ty</td>
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<td class="diff-line-num old_line" data-linenumber="1899" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1899
</td>
<td class="diff-line-num new_line" data-linenumber="1973" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1973
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1973" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- floating a demanded let.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1900" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1900
</td>
<td class="diff-line-num new_line" data-linenumber="1974" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1974
</td>
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<pre style="margin: 0;"> <span id="LC1974" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="n" style="color: #333;">arg'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExprC</span> <span class="p">(</span><span class="n" style="color: #333;">arg_se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</span><span class="p">`</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">arg</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1901" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1901
</td>
<td class="diff-line-num new_line" data-linenumber="1975" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1975
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1975" class="line" lang="haskell">                             <span class="p">(</span><span class="n" style="color: #333;">mkLazyArgStop</span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">cci_lazy</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1902" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1902
</td>
<td class="diff-line-num new_line old" data-linenumber="1976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1902" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addValArgTo</span> <span class="n" style="color: #333;">info'</span> <span class="n" style="color: #333;">arg'</span><span class="p">)</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1903" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1976
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1976" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">addValArgTo</span> <span class="n" style="color: #333;">info'</span> <span class="n" style="color: #333;">arg'</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">fun_ty</span></span><span class="p">)</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1903" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1903
</td>
<td class="diff-line-num new_line" data-linenumber="1977" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1977
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<pre style="margin: 0;"> <span id="LC1977" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1904" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1904
</td>
<td class="diff-line-num new_line" data-linenumber="1978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1978
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1978" class="line" lang="haskell">    <span class="n" style="color: #333;">info'</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">info</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_strs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">strs</span><span class="p">,</span> <span class="n" style="color: #333;">ai_discs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">discs</span> <span class="p">}</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1905" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1905
</td>
<td class="diff-line-num new_line" data-linenumber="1979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1979
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1979" class="line" lang="haskell">    <span class="n" style="color: #333;">arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">funArgTy</span> <span class="n" style="color: #333;">fun_ty</span></span>
</pre>
</td>
</tr>
<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="2181" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2107,9 +2181,11 @@ trySeqRules in_env scrut rhs cont</td>
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<td class="diff-line-num old_line" data-linenumber="2107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2107
</td>
<td class="diff-line-num new_line" data-linenumber="2181" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2181
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC2181" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="2108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2108
</td>
<td class="diff-line-num new_line" data-linenumber="2182" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2182
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<pre style="margin: 0;"> <span id="LC2182" class="line" lang="haskell">    <span class="n" style="color: #333;">no_cast_scrut</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">drop_casts</span> <span class="n" style="color: #333;">scrut</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="2109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2109
</td>
<td class="diff-line-num new_line" data-linenumber="2183" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2183
</td>
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<pre style="margin: 0;"> <span id="LC2183" class="line" lang="haskell">    <span class="n" style="color: #333;">scrut_ty</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">exprType</span> <span class="n" style="color: #333;">no_cast_scrut</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="2110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2110
</td>
<td class="diff-line-num new_line old" data-linenumber="2184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC2110" class="line" lang="haskell">    <span class="n" style="color: #333;">seq_id_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">seqId</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2111
</td>
<td class="diff-line-num new_line old" data-linenumber="2184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC2111" class="line" lang="haskell">    <span class="n" style="color: #333;">res1_ty</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">piResultTy</span> <span class="n" style="color: #333;">seq_id_ty</span> <span class="n" style="color: #333;">rhs_rep</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2112
</td>
<td class="diff-line-num new_line old" data-linenumber="2184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC2112" class="line" lang="haskell">    <span class="n" style="color: #333;">res2_ty</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">piResultTy</span> <span class="n" style="color: #333;">res1_ty</span>   <span class="n" style="color: #333;">scrut_ty</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2184
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<pre style="margin: 0;">+<span id="LC2184" class="line" lang="haskell">    <span class="n" style="color: #333;">seq_id_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">seqId</span>                    <span class="c1" style="color: #998; font-style: italic;">-- forall r a (b::TYPE r). a -> b -> b</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2185" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2185
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<pre style="margin: 0;">+<span id="LC2185" class="line" lang="haskell">    <span class="n" style="color: #333;">res1_ty</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">piResultTy</span> <span class="n" style="color: #333;">seq_id_ty</span> <span class="n" style="color: #333;">rhs_rep</span>    <span class="c1" style="color: #998; font-style: italic;">-- forall a (b::TYPE rhs_rep). a -> b -> b</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2186" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2186
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<pre style="margin: 0;">+<span id="LC2186" class="line" lang="haskell">    <span class="n" style="color: #333;">res2_ty</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">piResultTy</span> <span class="n" style="color: #333;">res1_ty</span>   <span class="n" style="color: #333;">scrut_ty</span>   <span class="c1" style="color: #998; font-style: italic;">-- forall (b::TYPE rhs_rep). scrut_ty -> b -> b</span></span>
</pre>
</td>
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<td class="diff-line-num new new_line" data-linenumber="2187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2187
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<pre style="margin: 0;">+<span id="LC2187" class="line" lang="haskell">    <span class="n" style="color: #333;">res3_ty</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">piResultTy</span> <span class="n" style="color: #333;">res2_ty</span>   <span class="n" style="color: #333;">rhs_ty</span>     <span class="c1" style="color: #998; font-style: italic;">-- scrut_ty -> rhs_ty -> rhs_ty</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="2188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2188
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<pre style="margin: 0;">+<span id="LC2188" class="line" lang="haskell">    <span class="n" style="color: #333;">res4_ty</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">funResultTy</span> <span class="n" style="color: #333;">res3_ty</span>             <span class="c1" style="color: #998; font-style: italic;">-- rhs_ty -> rhs_ty</span></span>
</pre>
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2113
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<pre style="margin: 0;"> <span id="LC2189" class="line" lang="haskell">    <span class="n" style="color: #333;">rhs_ty</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">substTy</span> <span class="n" style="color: #333;">in_env</span> <span class="p">(</span><span class="n" style="color: #333;">exprType</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span></span>
</pre>
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2114
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2190
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<pre style="margin: 0;"> <span id="LC2190" class="line" lang="haskell">    <span class="n" style="color: #333;">rhs_rep</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getRuntimeRep</span> <span class="n" style="color: #333;">rhs_ty</span></span>
</pre>
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2115
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<td class="diff-line-num new_line" data-linenumber="2191" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2191
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<pre style="margin: 0;"> <span id="LC2191" class="line" lang="haskell">    <span class="n" style="color: #333;">out_args</span>  <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rhs_rep</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="2194" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2118,9 +2194,11 @@ trySeqRules in_env scrut rhs cont</td>
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<pre style="margin: 0;"> <span id="LC2194" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">res1_ty</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC2195" class="line" lang="haskell">                <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rhs_ty</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC2196" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">res2_ty</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2121
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<td class="diff-line-num new_line old" data-linenumber="2197" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC2121" class="line" lang="haskell">                <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="n" style="color: #333;">no_cast_scrut</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="2197" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC2197" class="line" lang="haskell">                <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">no_cast_scrut</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="2198" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2198
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<pre style="margin: 0;">+<span id="LC2198" class="line" lang="haskell">                         <span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">res3_ty</span> <span class="p">}</span> <span class="p">]</span></span>
</pre>
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2122
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<td class="diff-line-num new_line" data-linenumber="2199" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2199
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<pre style="margin: 0;"> <span id="LC2199" class="line" lang="haskell">    <span class="n" style="color: #333;">rule_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoDup</span><span class="p">,</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rhs</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2123
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<td class="diff-line-num new_line old" data-linenumber="2200" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC2123" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">in_env</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC2200" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">in_env</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="2201" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC2201" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">res4_ty</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC2202" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Lazily evaluated, so we don't do most of this</span></span>
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2125
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2203
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<pre style="margin: 0;"> <span id="LC2203" class="line" lang="haskell"></span>
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2126
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<pre style="margin: 0;"> <span id="LC2204" class="line" lang="haskell">    <span class="n" style="color: #333;">drop_casts</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Cast</span> <span class="n" style="color: #333;">e</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">drop_casts</span> <span class="n" style="color: #333;">e</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="3188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3110,7 +3188,8 @@ mkDupableCont env (StrictBind { sc_bndr = bndr, sc_bndrs = bndrs</td>
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3110
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<pre style="margin: 0;"> <span id="LC3188" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">OkToDup</span></span>
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3189
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<pre style="margin: 0;"> <span id="LC3189" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkBoringStop</span> <span class="n" style="color: #333;">res_ty</span> <span class="p">}</span> <span class="p">)</span> <span class="p">}</span></span>
</pre>
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3112
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<td class="diff-line-num new_line" data-linenumber="3190" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3190
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<pre style="margin: 0;"> <span id="LC3190" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3113
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<td class="diff-line-num new_line old" data-linenumber="3191" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3113" class="line" lang="haskell"><span class="n" style="color: #333;">mkDupableCont</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">StrictArg</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">info</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cci</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cci</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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3191
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<pre style="margin: 0;">+<span id="LC3191" class="line" lang="haskell"><span class="n" style="color: #333;">mkDupableCont</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">StrictArg</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">info</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cci</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cci</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3192" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3192
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<pre style="margin: 0;">+<span id="LC3192" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span><span class="p">,</span> <span class="n" style="color: #333;">sc_fun_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_ty</span> <span class="p">})</span></span>
</pre>
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3114
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<td class="diff-line-num new_line" data-linenumber="3193" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3193
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<pre style="margin: 0;"> <span id="LC3193" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- See Note [Duplicating StrictArg]</span></span>
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<td class="diff-line-num new_line" data-linenumber="3194" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3194" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- NB: sc_dup /= OkToDup; that is caught earlier by contIsDupable</span></span>
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<td class="diff-line-num new_line" data-linenumber="3195" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3195" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">floats1</span><span class="p">,</span> <span class="n" style="color: #333;">cont'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkDupableCont</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="3197" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3118,8 +3197,9 @@ mkDupableCont env (StrictArg { sc_fun = info, sc_cci = cci, sc_cont = cont })</td>
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<pre style="margin: 0;"> <span id="LC3197" class="line" lang="haskell">                                           <span class="p">(</span><span class="n" style="color: #333;">ai_args</span> <span class="n" style="color: #333;">info</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="3198" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3198
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<pre style="margin: 0;"> <span id="LC3198" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">addLetFloats</span> <span class="n" style="color: #333;">floats1</span> <span class="n" style="color: #333;">floats_s</span></span>
</pre>
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3120
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3199
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<pre style="margin: 0;"> <span id="LC3199" class="line" lang="haskell">                <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">StrictArg</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">info</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">args'</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC3121" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">sc_cci</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cci</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3122
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<td class="diff-line-num new_line" data-linenumber="3200" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3200
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<pre style="margin: 0;"> <span id="LC3200" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont'</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="3123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="3201" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3201
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<pre style="margin: 0;">+<span id="LC3201" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">sc_cci</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cci</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="3123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="3202" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3202
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<pre style="margin: 0;">+<span id="LC3202" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">sc_fun_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_ty</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3123
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<td class="diff-line-num new_line" data-linenumber="3203" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3203
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<pre style="margin: 0;"> <span id="LC3203" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">OkToDup</span><span class="p">}</span> <span class="p">)</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3124
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<td class="diff-line-num new_line" data-linenumber="3204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3204
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<pre style="margin: 0;"> <span id="LC3204" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3125
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<td class="diff-line-num new_line" data-linenumber="3205" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3205
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<pre style="margin: 0;"> <span id="LC3205" class="line" lang="haskell"><span class="n" style="color: #333;">mkDupableCont</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3129" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="3209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3129,7 +3209,8 @@ mkDupableCont env (ApplyToTy { sc_cont = cont</td>
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3129
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3209
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<pre style="margin: 0;"> <span id="LC3209" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">sc_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span> <span class="p">})</span> <span class="p">}</span></span>
</pre>
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3130
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<td class="diff-line-num new_line" data-linenumber="3210" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3210
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<pre style="margin: 0;"> <span id="LC3210" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3131
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<td class="diff-line-num new_line" data-linenumber="3211" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3211
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<pre style="margin: 0;"> <span id="LC3211" class="line" lang="haskell"><span class="n" style="color: #333;">mkDupableCont</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dup</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3132
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<td class="diff-line-num new_line old" data-linenumber="3212" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3132" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">se</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3212" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3212
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<pre style="margin: 0;">+<span id="LC3212" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">se</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="3133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="3213" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3213
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<pre style="margin: 0;">+<span id="LC3213" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span> <span class="p">})</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="3133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3133
</td>
<td class="diff-line-num new_line" data-linenumber="3214" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3214
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<pre style="margin: 0;"> <span id="LC3214" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span>     <span class="c1" style="color: #998; font-style: italic;">-- e.g.         [...hole...] (...arg...)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="3134" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3134
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<td class="diff-line-num new_line" data-linenumber="3215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3215
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<pre style="margin: 0;"> <span id="LC3215" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--      ==></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3135" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3135
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<td class="diff-line-num new_line" data-linenumber="3216" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3216
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<pre style="margin: 0;"> <span id="LC3216" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--              let a = ...arg...</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3147" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="3228" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3147,7 +3228,8 @@ mkDupableCont env (ApplyToVal { sc_arg = arg, sc_dup = dup</td>
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3147
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3228
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<pre style="margin: 0;"> <span id="LC3228" class="line" lang="haskell">                                         <span class="c1" style="color: #998; font-style: italic;">-- arg'' in its in-scope set, even if makeTrivial</span></span>
</pre>
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3148
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3229
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<pre style="margin: 0;"> <span id="LC3229" class="line" lang="haskell">                                         <span class="c1" style="color: #998; font-style: italic;">-- has turned arg'' into a fresh variable</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3149" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3149
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<td class="diff-line-num new_line" data-linenumber="3230" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3230
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<pre style="margin: 0;"> <span id="LC3230" class="line" lang="haskell">                                         <span class="c1" style="color: #998; font-style: italic;">-- See Note [StaticEnv invariant] in GHC.Core.Opt.Simplify.Utils</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3150" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3150
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<td class="diff-line-num new_line old" data-linenumber="3231" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3150" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">OkToDup</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont'</span> <span class="p">})</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3151" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3231" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3231
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<pre style="margin: 0;">+<span id="LC3231" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">OkToDup</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont'</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3151" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3232" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3232
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<pre style="margin: 0;">+<span id="LC3232" class="line" lang="haskell">                              <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span> <span class="p">})</span> <span class="p">}</span></span>
</pre>
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3151
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<td class="diff-line-num new_line" data-linenumber="3233" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3233
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<pre style="margin: 0;"> <span id="LC3233" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3152
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<td class="diff-line-num new_line" data-linenumber="3234" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3234
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<pre style="margin: 0;"> <span id="LC3234" class="line" lang="haskell"><span class="n" style="color: #333;">mkDupableCont</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Select</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_bndr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">case_bndr</span><span class="p">,</span> <span class="n" style="color: #333;">sc_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alts</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3153" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3153
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<td class="diff-line-num new_line" data-linenumber="3235" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3235
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<pre style="margin: 0;"> <span id="LC3235" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">se</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3491" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="3573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3491,11 +3573,11 @@ because we don't know its usage in each RHS separately</td>
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3491
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3573
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<pre style="margin: 0;"> <span id="LC3573" class="line" lang="haskell"><span class="n" style="color: #333;">simplLetUnfolding</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplEnv</span><span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="3574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3574
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<pre style="margin: 0;"> <span id="LC3574" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeJoinCont</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3493" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3493
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<td class="diff-line-num new_line" data-linenumber="3575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3575
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<pre style="margin: 0;"> <span id="LC3575" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InId</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3494" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3494
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<td class="diff-line-num new_line old" data-linenumber="3576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3494" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3495" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3576
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<pre style="margin: 0;">+<span id="LC3576" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span><span class="idiff left"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Arity</span></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3495" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3495
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<td class="diff-line-num new_line" data-linenumber="3577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3577
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<pre style="margin: 0;"> <span id="LC3577" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Unfolding</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="kt" style="color: #458; font-weight: 600;">Unfolding</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3496" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3496
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<td class="diff-line-num new_line old" data-linenumber="3578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3496" class="line" lang="haskell"><span class="n" style="color: #333;">simplLetUnfolding</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">cont_mb</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">new_rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">unf</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3578
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<pre style="margin: 0;">+<span id="LC3578" class="line" lang="haskell"><span class="n" style="color: #333;">simplLetUnfolding</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">cont_mb</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">new_rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;"><span class="idiff left">arity</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">unf</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3497" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3497
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<td class="diff-line-num new_line" data-linenumber="3579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3579
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<pre style="margin: 0;"> <span id="LC3579" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isStableUnfolding</span> <span class="n" style="color: #333;">unf</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3498" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3498
</td>
<td class="diff-line-num new_line old" data-linenumber="3580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3498" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">simplStableUnfolding</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">cont_mb</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;"><span class="idiff left">unf</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rhs_ty</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3499" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3580
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<pre style="margin: 0;">+<span id="LC3580" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">simplStableUnfolding</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">cont_mb</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;"><span class="idiff left">rhs_ty</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arity</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">unf</span></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3499" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3499
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<td class="diff-line-num new_line" data-linenumber="3581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3581
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<pre style="margin: 0;"> <span id="LC3581" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isExitJoinId</span> <span class="n" style="color: #333;">id</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3500" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3500
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<td class="diff-line-num new_line" data-linenumber="3582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3582
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<pre style="margin: 0;"> <span id="LC3582" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">noUnfolding</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Do not inline exit join points] in GHC.Core.Opt.Exitify</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3501" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3501
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<td class="diff-line-num new_line" data-linenumber="3583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3583
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<pre style="margin: 0;"> <span id="LC3583" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3521" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="3603" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3521,9 +3603,10 @@ mkLetUnfolding dflags top_lvl src id new_rhs</td>
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3521
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<td class="diff-line-num new_line" data-linenumber="3603" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3603
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<pre style="margin: 0;"> <span id="LC3603" class="line" lang="haskell"><span class="n" style="color: #333;">simplStableUnfolding</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelFlag</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3522" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="3604" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3604
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<pre style="margin: 0;"> <span id="LC3604" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeJoinCont</span>  <span class="c1" style="color: #998; font-style: italic;">-- Just k => a join point with continuation k</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3523" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3523
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<td class="diff-line-num new_line" data-linenumber="3605" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3605
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<pre style="margin: 0;"> <span id="LC3605" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InId</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3524" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3524
</td>
<td class="diff-line-num new_line old" data-linenumber="3606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3524" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Unfolding</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="kt" style="color: #458; font-weight: 600;">Unfolding</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="3606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3606
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<pre style="margin: 0;">+<span id="LC3606" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Arity</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Unfolding</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="3607" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3607
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<pre style="margin: 0;">+<span id="LC3607" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">-></span><span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="kt" style="color: #458; font-weight: 600;">Unfolding</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3525
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<td class="diff-line-num new_line" data-linenumber="3608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3608
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<pre style="margin: 0;"> <span id="LC3608" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note [Setting the new unfolding]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3526" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3526
</td>
<td class="diff-line-num new_line old" data-linenumber="3609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3526" class="line" lang="haskell"><span class="n" style="color: #333;">simplStableUnfolding</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">mb_cont</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;"><span class="idiff left">unf</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rhs_ty</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3527" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3609
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<pre style="margin: 0;">+<span id="LC3609" class="line" lang="haskell"><span class="n" style="color: #333;">simplStableUnfolding</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">mb_cont</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;"><span class="idiff left">rhs_ty</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">id_arity</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">unf</span></span></span>
</pre>
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3527
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<td class="diff-line-num new_line" data-linenumber="3610" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3610
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<pre style="margin: 0;"> <span id="LC3610" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">unf</span> <span class="kr" style="font-weight: 600;">of</span></span>
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3528
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<pre style="margin: 0;"> <span id="LC3611" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">NoUnfolding</span>   <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">unf</span></span>
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3529
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<td class="diff-line-num new_line" data-linenumber="3612" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3612
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<pre style="margin: 0;"> <span id="LC3612" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">BootUnfolding</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">unf</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="3619" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3536,9 +3619,13 @@ simplStableUnfolding env top_lvl mb_cont id unf rhs_ty</td>
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3536
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<pre style="margin: 0;"> <span id="LC3619" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3537" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="3620" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3620" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">CoreUnfolding</span> <span class="p">{</span> <span class="n" style="color: #333;">uf_tmpl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">expr</span><span class="p">,</span> <span class="n" style="color: #333;">uf_src</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">src</span><span class="p">,</span> <span class="n" style="color: #333;">uf_guidance</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">guide</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3538" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3538
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<td class="diff-line-num new_line" data-linenumber="3621" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3621" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isStableSource</span> <span class="n" style="color: #333;">src</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3539" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="3622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3539" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">expr'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">mb_cont</span> <span class="kr" style="font-weight: 600;">of</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Rules and unfolding for join points]</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="3622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3540" class="line" lang="haskell">                           <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">cont</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">simplJoinRhs</span> <span class="n" style="color: #333;">unf_env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="3622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3541" class="line" lang="haskell">                           <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>   <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">simplExprC</span> <span class="n" style="color: #333;">unf_env</span> <span class="n" style="color: #333;">expr</span> <span class="p">(</span><span class="n" style="color: #333;">mkBoringStop</span> <span class="n" style="color: #333;">rhs_ty</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3542" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3622" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">expr'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">mb_cont</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<td class="diff-line-num new new_line" data-linenumber="3623" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3623" class="line" lang="haskell">                           <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">cont</span> <span class="o" style="font-weight: 600;">-></span> <span class="c1" style="color: #998; font-style: italic;">-- Binder is a join point</span></span>
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<td class="diff-line-num new new_line" data-linenumber="3624" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3624" class="line" lang="haskell">                                        <span class="c1" style="color: #998; font-style: italic;">-- See Note [Rules and unfolding for join points]</span></span>
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<td class="diff-line-num new new_line" data-linenumber="3625" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3625" class="line" lang="haskell">                                        <span class="n" style="color: #333;">simplJoinRhs</span> <span class="n" style="color: #333;">unf_env</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">cont</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC3626" class="line" lang="haskell">                           <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>   <span class="o" style="font-weight: 600;">-></span> <span class="c1" style="color: #998; font-style: italic;">-- Binder is not a join point</span></span>
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<pre style="margin: 0;">+<span id="LC3627" class="line" lang="haskell">                                        <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">expr'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExprC</span> <span class="n" style="color: #333;">unf_env</span> <span class="n" style="color: #333;">expr</span> <span class="p">(</span><span class="n" style="color: #333;">mkBoringStop</span> <span class="n" style="color: #333;">rhs_ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC3628" class="line" lang="haskell">                                           <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">eta_expand</span> <span class="n" style="color: #333;">expr'</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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3542
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<td class="diff-line-num new_line" data-linenumber="3629" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3629
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<pre style="margin: 0;"> <span id="LC3629" class="line" lang="haskell">              <span class="p">;</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">guide</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3543
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<td class="diff-line-num new_line" data-linenumber="3630" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3630" class="line" lang="haskell">                  <span class="kt" style="color: #458; font-weight: 600;">UnfWhen</span> <span class="p">{</span> <span class="n" style="color: #333;">ug_arity</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arity</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="3631" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3631" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">ug_unsat_ok</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sat_ok</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="3662" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3575,7 +3662,41 @@ simplStableUnfolding env top_lvl mb_cont id unf rhs_ty</td>
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<td class="diff-line-num new_line" data-linenumber="3662" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3662" class="line" lang="haskell">    <span class="n" style="color: #333;">unf_env</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">updMode</span> <span class="p">(</span><span class="n" style="color: #333;">updModeForStableUnfoldings</span> <span class="n" style="color: #333;">act</span><span class="p">)</span> <span class="n" style="color: #333;">env</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="3663" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3663" class="line" lang="haskell">         <span class="c1" style="color: #998; font-style: italic;">-- See Note [Simplifying inside stable unfoldings] in GHC.Core.Opt.Simplify.Utils</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3577
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<td class="diff-line-num new_line" data-linenumber="3664" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3664" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="3665" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC3578" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC3665" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Eta-expand stable unfoldings]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3666" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3666" class="line" lang="haskell">    <span class="n" style="color: #333;">eta_expand</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3667" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3667" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">not</span> <span class="n" style="color: #333;">eta_on</span>         <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3668" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3668
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<pre style="margin: 0;">+<span id="LC3668" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">exprIsTrivial</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3669" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3669" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>          <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">etaExpand</span> <span class="n" style="color: #333;">id_arity</span> <span class="n" style="color: #333;">expr</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3670" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3670" class="line" lang="haskell">    <span class="n" style="color: #333;">eta_on</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sm_eta_expand</span> <span class="p">(</span><span class="n" style="color: #333;">getMode</span> <span class="n" style="color: #333;">env</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3671" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3671" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="3579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3672" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3672" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Eta-expand stable unfoldings]</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC3673" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3674" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3674" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">For INLINE/INLINABLE things (which get stable unfoldings) there's a danger</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3675" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3675
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<pre style="margin: 0;">+<span id="LC3675" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">of getting</span></span>
</pre>
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3676
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<pre style="margin: 0;">+<span id="LC3676" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   f :: Int -> Int -> Int -> Blah</span></span>
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<td class="diff-line-num new new_line" data-linenumber="3677" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3677
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<pre style="margin: 0;">+<span id="LC3677" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   [ Arity = 3                 -- Good arity</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3678" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3678
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<pre style="margin: 0;">+<span id="LC3678" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   , Unf=Stable (\xy. blah)    -- Less good arity, only 2</span></span>
</pre>
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3679
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<pre style="margin: 0;">+<span id="LC3679" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   f = \pqr. e</span></span>
</pre>
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3680
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<pre style="margin: 0;">+<span id="LC3680" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3681" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3681
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<pre style="margin: 0;">+<span id="LC3681" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This can happen because f's RHS is optimised more vigorously than</span></span>
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<td class="diff-line-num new new_line" data-linenumber="3682" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3682
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<pre style="margin: 0;">+<span id="LC3682" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">its stable unfolding.  Now suppose we have a call</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3683" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3683
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<pre style="margin: 0;">+<span id="LC3683" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   g = f x</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3684" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3684
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<pre style="margin: 0;">+<span id="LC3684" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Because f has arity=3, g will have arity=2.  But if we inline f (using</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3685" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3685
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<pre style="margin: 0;">+<span id="LC3685" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">its stable unfolding) g's arity will reduce to 1, because <blah></span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3686
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<pre style="margin: 0;">+<span id="LC3686" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">hasn't been optimised yet.  This happened in the 'parsec' library,</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3687" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3687
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<pre style="margin: 0;">+<span id="LC3687" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">for Text.Pasec.Char.string.</span></span>
</pre>
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3688
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<pre style="margin: 0;">+<span id="LC3688" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3689" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3689
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<pre style="margin: 0;">+<span id="LC3689" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Generally, if we know that 'f' has arity N, it seems sensible to</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3690" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3690
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<pre style="margin: 0;">+<span id="LC3690" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">eta-expand the stable unfolding to arity N too. Simple and consistent.</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3691" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3691
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<pre style="margin: 0;">+<span id="LC3691" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3692" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3692
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<pre style="margin: 0;">+<span id="LC3692" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Wrinkles</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3693" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3693" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Don't eta-expand a trivial expr, else each pass will eta-reduce it,</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3694" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC3694" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  and then eta-expand again. See Note [Do not eta-expand trivial expressions]</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC3695" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  in GHC.Core.Opt.Simplify.Utils.</span></span>
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<pre style="margin: 0;">+<span id="LC3696" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Don't eta-expand join points; see Note [Do not eta-expand join points]</span></span>
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<pre style="margin: 0;">+<span id="LC3697" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  in GHC.Core.Opt.Simplify.Utils.  We uphold this because the join-point</span></span>
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<pre style="margin: 0;">+<span id="LC3698" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  case (mb_cont = Just _) doesn't use eta_expand.</span></span>
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<pre style="margin: 0;">+<span id="LC3699" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC3700" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Force bottoming field]</span></span>
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<pre style="margin: 0;"> <span id="LC3701" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;"> <span id="LC3702" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">We need to force bottoming, or the new unfolding holds</span></span>
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<li id="48fbb5cdea308650de5756521feb28ec68819b9b">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#48fbb5cdea308650de5756521feb28ec68819b9b"><strong>compiler/GHC/Core/Opt/Simplify/Utils.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC118" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">SimplCont</span></span>
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<pre style="margin: 0;"> <span id="LC119" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC120" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span>         <span class="c1" style="color: #998; font-style: italic;">-- (ApplyToVal arg K)[e] = K[ e arg ]</span></span>
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<pre style="margin: 0;">-<span id="LC121" class="line" lang="haskell">      <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DupFlag</span>      <span class="c1" style="color: #998; font-style: italic;">-- See Note [DupFlag invariants]</span></span>
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<pre style="margin: 0;">+<span id="LC121" class="line" lang="haskell">      <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span>     <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DupFlag</span>   <span class="c1" style="color: #998; font-style: italic;">-- See Note [DupFlag invariants]</span></span>
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<pre style="margin: 0;">+<span id="LC122" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span>   <span class="c1" style="color: #998; font-style: italic;">-- Type of the function, presumably (forall a. blah)</span></span>
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<pre style="margin: 0;">+<span id="LC123" class="line" lang="haskell">                                <span class="c1" style="color: #998; font-style: italic;">-- See Note [The hole type in ApplyToTy/Val]</span></span>
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<pre style="margin: 0;"> <span id="LC124" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_arg</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">InExpr</span>       <span class="c1" style="color: #998; font-style: italic;">-- The argument,</span></span>
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">StaticEnv</span>    <span class="c1" style="color: #998; font-style: italic;">-- see Note [StaticEnv invariant]</span></span>
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<pre style="margin: 0;"> <span id="LC126" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplCont</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC128" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span>          <span class="c1" style="color: #998; font-style: italic;">-- (ApplyToTy ty K)[e] = K[ e ty ]</span></span>
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<pre style="margin: 0;"> <span id="LC129" class="line" lang="haskell">      <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span>     <span class="c1" style="color: #998; font-style: italic;">-- Argument type</span></span>
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span>     <span class="c1" style="color: #998; font-style: italic;">-- Type of the function, presumably (forall a. blah)</span></span>
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<pre style="margin: 0;">-<span id="LC129" class="line" lang="haskell">                                  <span class="c1" style="color: #998; font-style: italic;">-- See Note [The hole type in ApplyToTy]</span></span>
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<pre style="margin: 0;">+<span id="LC131" class="line" lang="haskell">                                  <span class="c1" style="color: #998; font-style: italic;">-- See Note [The hole type in ApplyToTy<span class="idiff left right">/Val</span>]</span></span>
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<pre style="margin: 0;"> <span id="LC132" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span>    <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplCont</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC133" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC134" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Select</span>             <span class="c1" style="color: #998; font-style: italic;">-- (Select alts K)[e] = K[ case e of alts ]</span></span>
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<pre style="margin: 0;"> <span id="LC153" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_fun</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span>     <span class="c1" style="color: #998; font-style: italic;">-- Specifies f, e1..en, Whether f has rules, etc</span></span>
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<pre style="margin: 0;"> <span id="LC154" class="line" lang="haskell">                               <span class="c1" style="color: #998; font-style: italic;">--     plus strictness flags for *further* args</span></span>
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<pre style="margin: 0;"> <span id="LC155" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_cci</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CallCtxt</span>    <span class="c1" style="color: #998; font-style: italic;">-- Whether *this* argument position is interesting</span></span>
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<pre style="margin: 0;">+<span id="LC156" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_fun_ty</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span>   <span class="c1" style="color: #998; font-style: italic;">-- Type of the function (f e1 .. en),</span></span>
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<pre style="margin: 0;">+<span id="LC157" class="line" lang="haskell">                               <span class="c1" style="color: #998; font-style: italic;">-- presumably (arg_ty -> res_ty)</span></span>
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<pre style="margin: 0;">+<span id="LC158" class="line" lang="haskell">                               <span class="c1" style="color: #998; font-style: italic;">-- where res_ty is expected by sc_cont</span></span>
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<pre style="margin: 0;"> <span id="LC159" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplCont</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC161" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">TickIt</span>              <span class="c1" style="color: #998; font-style: italic;">-- (TickIt t K)[e] = K[ tick t e ]</span></span>
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<pre style="margin: 0;"> <span id="LC259" class="line" lang="haskell">        <span class="n" style="color: #333;">ai_fun</span>   <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutId</span><span class="p">,</span>      <span class="c1" style="color: #998; font-style: italic;">-- The function</span></span>
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<pre style="margin: 0;"> <span id="LC260" class="line" lang="haskell">        <span class="n" style="color: #333;">ai_args</span>  <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">ArgSpec</span><span class="p">],</span>  <span class="c1" style="color: #998; font-style: italic;">-- ...applied to these args (which are in *reverse* order)</span></span>
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<pre style="margin: 0;"> <span id="LC261" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC257" class="line" lang="haskell">        <span class="n" style="color: #333;">ai_type</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span><span class="p">,</span>    <span class="c1" style="color: #998; font-style: italic;">-- Type of (f a1 ... an)</span></span>
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<pre style="margin: 0;">-<span id="LC258" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC262" class="line" lang="haskell">        <span class="n" style="color: #333;">ai_rules</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">FunRules</span><span class="p">,</span>   <span class="c1" style="color: #998; font-style: italic;">-- Rules for this function</span></span>
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<pre style="margin: 0;"> <span id="LC263" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC264" class="line" lang="haskell">        <span class="n" style="color: #333;">ai_encl</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span><span class="p">,</span>        <span class="c1" style="color: #998; font-style: italic;">-- Flag saying whether this function</span></span>
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<pre style="margin: 0;"> <span id="LC274" class="line" lang="haskell">    <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC275" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC276" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">ArgSpec</span></span>
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<pre style="margin: 0;">-<span id="LC274" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span>                    <span class="c1" style="color: #998; font-style: italic;">-- Apply to this (coercion or value); c.f. ApplyToVal</span></span>
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<pre style="margin: 0;">+<span id="LC277" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span>        <span class="c1" style="color: #998; font-style: italic;">-- Apply to this (coercion or value); c.f. ApplyToVal</span></span>
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<pre style="margin: 0;">+<span id="LC278" class="line" lang="haskell">           <span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span> <span class="p">}</span>  <span class="c1" style="color: #998; font-style: italic;">-- Type of the function (presumably t1 -> t2)</span></span>
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<pre style="margin: 0;"> <span id="LC279" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span>     <span class="c1" style="color: #998; font-style: italic;">-- Apply to this type; c.f. ApplyToTy</span></span>
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<pre style="margin: 0;"> <span id="LC280" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span> <span class="p">}</span>   <span class="c1" style="color: #998; font-style: italic;">-- Type of the function (presumably forall a. blah)</span></span>
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<pre style="margin: 0;"> <span id="LC281" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CastBy</span> <span class="kt" style="color: #458; font-weight: 600;">OutCoercion</span>                <span class="c1" style="color: #998; font-style: italic;">-- Cast by this; c.f. CastIt</span></span>
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<pre style="margin: 0;"> <span id="LC282" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC283" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">ArgSpec</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC280" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="n" style="color: #333;"><span class="idiff left">e</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">                 </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">text</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff">"ValArg"</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><+></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ppr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">e</span></span></span>
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<pre style="margin: 0;">+<span id="LC284" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="p"><span class="idiff left">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as_arg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg</span></span><span class="idiff"> </span><span class="p"><span class="idiff">})</span></span><span class="idiff">  </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">text</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff">"ValArg"</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><+></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ppr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">arg</span></span></span>
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<pre style="margin: 0;"> <span id="LC285" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"TyArg"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span></span>
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<pre style="margin: 0;"> <span id="LC286" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastBy</span> <span class="n" style="color: #333;">c</span><span class="p">)</span>                 <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"CastBy"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">c</span></span>
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<pre style="margin: 0;"> <span id="LC287" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC284" class="line" lang="haskell"><span class="n" style="color: #333;">addValArgTo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span></span>
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<pre style="margin: 0;">-<span id="LC285" class="line" lang="haskell"><span class="n" style="color: #333;">addValArgTo</span> <span class="n" style="color: #333;">ai</span> <span class="n" style="color: #333;">arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ai</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="n" style="color: #333;">arg</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">ai_args</span> <span class="n" style="color: #333;">ai</span></span>
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<pre style="margin: 0;">-<span id="LC286" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">ai_type</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">applyTypeToArg</span> <span class="p">(</span><span class="n" style="color: #333;">ai_type</span> <span class="n" style="color: #333;">ai</span><span class="p">)</span> <span class="n" style="color: #333;">arg</span></span>
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<pre style="margin: 0;">-<span id="LC287" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">ai_rules</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">decRules</span> <span class="p">(</span><span class="n" style="color: #333;">ai_rules</span> <span class="n" style="color: #333;">ai</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC288" class="line" lang="haskell"><span class="n" style="color: #333;">addValArgTo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span></span>
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<pre style="margin: 0;">+<span id="LC289" class="line" lang="haskell"><span class="n" style="color: #333;">addValArgTo</span> <span class="n" style="color: #333;">ai</span> <span class="n" style="color: #333;">arg</span> <span class="n" style="color: #333;">hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ai</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_spec</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">ai_args</span> <span class="n" style="color: #333;">ai</span></span>
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<pre style="margin: 0;">+<span id="LC290" class="line" lang="haskell">                                <span class="p">,</span> <span class="n" style="color: #333;">ai_rules</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">decRules</span> <span class="p">(</span><span class="n" style="color: #333;">ai_rules</span> <span class="n" style="color: #333;">ai</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC291" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC292" class="line" lang="haskell">    <span class="n" style="color: #333;">arg_spec</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC293" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC289" class="line" lang="haskell"><span class="n" style="color: #333;">addTyArgTo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span></span>
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<pre style="margin: 0;">-<span id="LC290" class="line" lang="haskell"><span class="n" style="color: #333;">addTyArgTo</span> <span class="n" style="color: #333;">ai</span> <span class="n" style="color: #333;">arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ai</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_spec</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">ai_args</span> <span class="n" style="color: #333;">ai</span></span>
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<pre style="margin: 0;">-<span id="LC291" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">ai_type</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">piResultTy</span> <span class="n" style="color: #333;">poly_fun_ty</span> <span class="n" style="color: #333;">arg_ty</span></span>
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<pre style="margin: 0;">-<span id="LC292" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">ai_rules</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">decRules</span> <span class="p">(</span><span class="n" style="color: #333;">ai_rules</span> <span class="n" style="color: #333;">ai</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC294" class="line" lang="haskell"><span class="n" style="color: #333;">addTyArgTo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span></span>
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<pre style="margin: 0;">+<span id="LC295" class="line" lang="haskell"><span class="n" style="color: #333;">addTyArgTo</span> <span class="n" style="color: #333;">ai</span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ai</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_spec</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">ai_args</span> <span class="n" style="color: #333;">ai</span></span>
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<pre style="margin: 0;">+<span id="LC296" class="line" lang="haskell">                                  <span class="p">,</span> <span class="n" style="color: #333;">ai_rules</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">decRules</span> <span class="p">(</span><span class="n" style="color: #333;">ai_rules</span> <span class="n" style="color: #333;">ai</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC297" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC294" class="line" lang="haskell">    <span class="n" style="color: #333;">poly_fun_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ai_type</span> <span class="n" style="color: #333;">ai</span></span>
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<pre style="margin: 0;">-<span id="LC295" class="line" lang="haskell">    <span class="n" style="color: #333;">arg_spec</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">poly_fun_ty</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC298" class="line" lang="haskell">    <span class="n" style="color: #333;">arg_spec</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC299" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC300" class="line" lang="haskell"><span class="n" style="color: #333;">addCastTo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">OutCoercion</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span></span>
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<pre style="margin: 0;">-<span id="LC298" class="line" lang="haskell"><span class="n" style="color: #333;">addCastTo</span> <span class="n" style="color: #333;">ai</span> <span class="n" style="color: #333;">co</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ai</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CastBy</span> <span class="n" style="color: #333;">co</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">ai_args</span> <span class="n" style="color: #333;">ai</span></span>
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<pre style="margin: 0;">-<span id="LC299" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">ai_type</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionRKind</span> <span class="n" style="color: #333;">co</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC301" class="line" lang="haskell"><span class="n" style="color: #333;">addCastTo</span> <span class="n" style="color: #333;">ai</span> <span class="n" style="color: #333;">co</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ai</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CastBy</span> <span class="n" style="color: #333;">co</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">ai_args</span> <span class="n" style="color: #333;">ai</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC302" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC303" class="line" lang="haskell"><span class="n" style="color: #333;">argInfoAppArgs</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">ArgSpec</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">OutExpr</span><span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC304" class="line" lang="haskell"><span class="n" style="color: #333;">argInfoAppArgs</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span>                              <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
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<pre style="margin: 0;"> <span id="LC305" class="line" lang="haskell"><span class="n" style="color: #333;">argInfoAppArgs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastBy</span> <span class="p">{}</span>                <span class="o" style="font-weight: 600;">:</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span>  <span class="c1" style="color: #998; font-style: italic;">-- Stop at a cast</span></span>
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<pre style="margin: 0;">-<span id="LC304" class="line" lang="haskell"><span class="n" style="color: #333;">argInfoAppArgs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="n" style="color: #333;"><span class="idiff left">e</span></span><span class="idiff">                 </span><span class="o" style="font-weight: 600;"><span class="idiff">:</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">e</span></span><span class="idiff right">  </span>     <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">argInfoAppArgs</span> <span class="n" style="color: #333;">as</span></span>
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<pre style="margin: 0;">+<span id="LC306" class="line" lang="haskell"><span class="n" style="color: #333;">argInfoAppArgs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="p"><span class="idiff left">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as_arg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff">  </span><span class="o" style="font-weight: 600;"><span class="idiff">:</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">arg</span></span>     <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">argInfoAppArgs</span> <span class="n" style="color: #333;">as</span></span>
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<pre style="margin: 0;"> <span id="LC307" class="line" lang="haskell"><span class="n" style="color: #333;">argInfoAppArgs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">argInfoAppArgs</span> <span class="n" style="color: #333;">as</span></span>
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<pre style="margin: 0;"> <span id="LC308" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC309" class="line" lang="haskell"><span class="n" style="color: #333;">pushSimplifiedArgs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">ArgSpec</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplCont</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplCont</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -310,7 +312,9 @@ pushSimplifiedArgs env  (arg : args) k</td>
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<pre style="margin: 0;"> <span id="LC312" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">arg</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC313" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC314" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span>  <span class="p">{</span> <span class="n" style="color: #333;">sc_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rest</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC313" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">e</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rest</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC315" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">as_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC316" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span></span>
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<pre style="margin: 0;">+<span id="LC317" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hole_ty</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rest</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC318" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">CastBy</span> <span class="n" style="color: #333;">c</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CastIt</span> <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;">rest</span></span>
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<pre style="margin: 0;"> <span id="LC319" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell">    <span class="n" style="color: #333;">rest</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pushSimplifiedArgs</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">args</span> <span class="n" style="color: #333;">k</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -323,7 +327,7 @@ argInfoExpr fun rev_args</td>
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<pre style="margin: 0;"> <span id="LC327" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">rev_args</span></span>
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<pre style="margin: 0;"> <span id="LC328" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC329" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span>                              <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun</span></span>
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<pre style="margin: 0;">-<span id="LC326" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="n" style="color: #333;"><span class="idiff left">a</span></span><span class="idiff">                 </span><span class="o" style="font-weight: 600;"><span class="idiff">:</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">go</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as</span></span><span class="idiff"> </span><span class="p"><span class="idiff">`</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">App</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span></span>
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<pre style="margin: 0;">+<span id="LC330" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="p"><span class="idiff left">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as_arg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff">  </span><span class="o" style="font-weight: 600;"><span class="idiff">:</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">go</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">as</span></span><span class="idiff"> </span><span class="p"><span class="idiff">`</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">App</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">arg</span></span></span>
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<pre style="margin: 0;"> <span id="LC331" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{</span> <span class="n" style="color: #333;">as_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">as</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;">App</span><span class="p">`</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="n" style="color: #333;">ty</span></span>
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<pre style="margin: 0;"> <span id="LC332" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastBy</span> <span class="n" style="color: #333;">co</span>                <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkCast</span> <span class="p">(</span><span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">as</span><span class="p">)</span> <span class="n" style="color: #333;">co</span></span>
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<pre style="margin: 0;"> <span id="LC333" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -409,11 +413,9 @@ contHoleType (TickIt _ k)                     = contHoleType k</td>
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<pre style="margin: 0;"> <span id="LC413" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastIt</span> <span class="n" style="color: #333;">co</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span>                    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionLKind</span> <span class="n" style="color: #333;">co</span></span>
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<pre style="margin: 0;"> <span id="LC414" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">StrictBind</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_bndr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">b</span><span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dup</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">se</span> <span class="p">})</span></span>
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<pre style="margin: 0;"> <span id="LC415" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">perhapsSubstTy</span> <span class="n" style="color: #333;">dup</span> <span class="n" style="color: #333;">se</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC412" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">StrictArg</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ai</span> <span class="p">})</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">funArgTy</span> <span class="p">(</span><span class="n" style="color: #333;">ai_type</span> <span class="n" style="color: #333;">ai</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC413" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span>  <span class="p">{</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span>  <span class="c1" style="color: #998; font-style: italic;">-- See Note [The hole type in ApplyToTy]</span></span>
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<pre style="margin: 0;">-<span id="LC414" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">e</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">se</span><span class="p">,</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dup</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">k</span> <span class="p">})</span></span>
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<pre style="margin: 0;">-<span id="LC415" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVisFunTy</span> <span class="p">(</span><span class="n" style="color: #333;">perhapsSubstTy</span> <span class="n" style="color: #333;">dup</span> <span class="n" style="color: #333;">se</span> <span class="p">(</span><span class="n" style="color: #333;">exprType</span> <span class="n" style="color: #333;">e</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC416" class="line" lang="haskell">               <span class="p">(</span><span class="n" style="color: #333;">contHoleType</span> <span class="n" style="color: #333;">k</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC416" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">StrictArg</span>  <span class="p">{</span> <span class="n" style="color: #333;">sc_fun_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">})</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">funArgTy</span> <span class="n" style="color: #333;">ty</span></span>
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<pre style="margin: 0;">+<span id="LC417" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToTy</span>  <span class="p">{</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span>  <span class="c1" style="color: #998; font-style: italic;">-- See Note [The hole type in ApplyToTy/Val]</span></span>
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<pre style="margin: 0;">+<span id="LC418" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span>  <span class="c1" style="color: #998; font-style: italic;">-- See Note [The hole type in ApplyToTy/Val]</span></span>
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<pre style="margin: 0;"> <span id="LC419" class="line" lang="haskell"><span class="n" style="color: #333;">contHoleType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Select</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">d</span><span class="p">,</span> <span class="n" style="color: #333;">sc_bndr</span> <span class="o" style="font-weight: 600;">=</span>  <span class="n" style="color: #333;">b</span><span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">se</span> <span class="p">})</span></span>
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<pre style="margin: 0;"> <span id="LC420" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">perhapsSubstTy</span> <span class="n" style="color: #333;">d</span> <span class="n" style="color: #333;">se</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC421" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -458,13 +460,13 @@ mkArgInfo :: SimplEnv</td>
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<pre style="margin: 0;"> <span id="LC460" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC461" class="line" lang="haskell"><span class="n" style="color: #333;">mkArgInfo</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">fun</span> <span class="n" style="color: #333;">rules</span> <span class="n" style="color: #333;">n_val_args</span> <span class="n" style="color: #333;">call_cont</span></span>
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<pre style="margin: 0;"> <span id="LC462" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">n_val_args</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">idArity</span> <span class="n" style="color: #333;">fun</span>            <span class="c1" style="color: #998; font-style: italic;">-- Note [Unsaturated functions]</span></span>
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<pre style="margin: 0;">-<span id="LC461" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ai_type</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">fun_ty</span></span></span>
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<pre style="margin: 0;">+<span id="LC463" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
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<pre style="margin: 0;"> <span id="LC464" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">ai_rules</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_rules</span></span>
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<pre style="margin: 0;"> <span id="LC465" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">ai_encl</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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<pre style="margin: 0;"> <span id="LC466" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">ai_strs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vanilla_stricts</span></span>
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<pre style="margin: 0;"> <span id="LC467" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">ai_discs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vanilla_discounts</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC468" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
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<pre style="margin: 0;">-<span id="LC467" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ai_type</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">fun_ty</span></span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC469" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
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470
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<pre style="margin: 0;"> <span id="LC470" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">ai_rules</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_rules</span></span>
</pre>
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469
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471
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<pre style="margin: 0;"> <span id="LC471" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">ai_encl</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">interestingArgContext</span> <span class="n" style="color: #333;">rules</span> <span class="n" style="color: #333;">call_cont</span></span>
</pre>
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470
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472
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<pre style="margin: 0;"> <span id="LC472" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">ai_strs</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_stricts</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1078" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1076,7 +1078,7 @@ seems to be to do a callSiteInline based on the fact that there is</td>
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1078
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<pre style="margin: 0;"> <span id="LC1078" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">something interesting about the call site (it's strict).  Hmm.  That</span></span>
</pre>
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1077
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1079
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<pre style="margin: 0;"> <span id="LC1079" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">seems a bit fragile.</span></span>
</pre>
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1078
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<pre style="margin: 0;"> <span id="LC1080" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1081" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1079" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Conclusion: inline top level things gaily until <span class="idiff left right">Phase 0</span> (the last</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC1081" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Conclusion: inline top level things gaily until <span class="idiff left right">finalPhase</span> (the last</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1082" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">phase), at which point don't.</span></span>
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1081
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1083
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<pre style="margin: 0;"> <span id="LC1083" class="line" lang="haskell"></span>
</pre>
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1082
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<pre style="margin: 0;"> <span id="LC1084" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [pre/postInlineUnconditionally in gentle mode]</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1199" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1201" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1199,23 +1201,21 @@ preInlineUnconditionally env top_lvl bndr rhs rhs_env</td>
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1199
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<pre style="margin: 0;"> <span id="LC1201" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- not ticks.  Counting ticks cannot be duplicated, and non-counting</span></span>
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1200
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<td class="diff-line-num new_line" data-linenumber="1202" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1202" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- ticks around a Lam will disappear anyway.</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1203" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1202" class="line" lang="haskell">    <span class="n" style="color: #333;">early_phase</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">sm_phase</span> <span class="n" style="color: #333;">mode</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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1203
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1203" class="line" lang="haskell">                    <span class="kt" style="color: #458; font-weight: 600;">Phase</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1204
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1204" class="line" lang="haskell">                    <span class="kr" style="font-weight: 600;">_</span>       <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1205" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1205
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1205" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- If we don't have this early_phase test, consider</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1206" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1206
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1206" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--      x = length [1,2,3]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1207" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1207
</td>
<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1207" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The full laziness pass carefully floats all the cons cells to</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1208" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1208
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1208" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- top level, and preInlineUnconditionally floats them all back in.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1209
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1209" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Result is (a) static allocation replaced by dynamic allocation</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1210" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1210
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1210" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--           (b) many simplifier iterations because this tickles</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1211" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1211
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1211" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--               a related problem; only one inlining per pass</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1212" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1212
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1212" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1213" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1213
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1213" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- On the other hand, I have seen cases where top-level fusion is</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1214" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1214
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1214" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- lost if we don't inline top level thing (e.g. string constants)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1215
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1215" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Hence the test for phase zero (which is the phase for all the final</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1216" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1216
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1216" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- simplifications).  Until phase zero we take no special notice of</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1217" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1217
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1217" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- top level things, but then we become more leery about inlining</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1218" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1218
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<td class="diff-line-num new_line old" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1218" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- them.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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1204
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<pre style="margin: 0;">+<span id="LC1204" class="line" lang="haskell">    <span class="n" style="color: #333;">early_phase</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isFinalPhase</span> <span class="p">(</span><span class="n" style="color: #333;">sm_phase</span> <span class="n" style="color: #333;">mode</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
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1205
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<pre style="margin: 0;">+<span id="LC1205" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- If we don't have this early_phase test, consider</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1206" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1206
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<pre style="margin: 0;">+<span id="LC1206" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--      x = length [1,2,3]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1207" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1207
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<pre style="margin: 0;">+<span id="LC1207" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- The full laziness pass carefully floats all the cons cells to</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1208" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1208
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1208" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- top level, and preInlineUnconditionally floats them all back in.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1209
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1209" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Result is (a) static allocation replaced by dynamic allocation</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1210" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1210
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<pre style="margin: 0;">+<span id="LC1210" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--           (b) many simplifier iterations because this tickles</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1211" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1211
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<pre style="margin: 0;">+<span id="LC1211" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--               a related problem; only one inlining per pass</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1212" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1212
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<pre style="margin: 0;">+<span id="LC1212" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1213" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1213
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<pre style="margin: 0;">+<span id="LC1213" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- On the other hand, I have seen cases where top-level fusion is</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1214" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1214
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<pre style="margin: 0;">+<span id="LC1214" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- lost if we don't inline top level thing (e.g. string constants)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1215
</td>
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<pre style="margin: 0;">+<span id="LC1215" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Hence the test for phase zero (which is the phase for all the final</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1216" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1216
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<pre style="margin: 0;">+<span id="LC1216" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- simplifications).  Until phase zero we take no special notice of</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1217" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1217
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<pre style="margin: 0;">+<span id="LC1217" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- top level things, but then we become more leery about inlining</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1218" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1218
</td>
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<pre style="margin: 0;">+<span id="LC1218" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- them.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1219
</td>
<td class="diff-line-num new_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1219
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1219" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1220" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1220
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<td class="diff-line-num new_line" data-linenumber="1220" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1220
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1220" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1221" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1221
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<td class="diff-line-num new_line" data-linenumber="1221" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1221
</td>
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<pre style="margin: 0;"> <span id="LC1221" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
</pre>
</td>
</tr>
<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1530,7 +1530,7 @@ tryEtaExpandRhs mode bndr rhs</td>
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<td class="diff-line-num old_line" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1530
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<td class="diff-line-num new_line" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1530
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<pre style="margin: 0;"> <span id="LC1530" class="line" lang="haskell">         <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">new_arity</span><span class="p">,</span> <span class="n" style="color: #333;">is_bot</span><span class="p">,</span> <span class="n" style="color: #333;">new_rhs</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1531
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<td class="diff-line-num new_line" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1531
</td>
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<pre style="margin: 0;"> <span id="LC1531" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1532" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1532
</td>
<td class="diff-line-num new_line" data-linenumber="1532" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1532
</td>
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<pre style="margin: 0;"> <span id="LC1532" class="line" lang="haskell">    <span class="n" style="color: #333;">try_expand</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1533
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<td class="diff-line-num new_line old" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1533" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">exprIsTrivial</span> <span class="n" style="color: #333;">rhs</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1533
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<pre style="margin: 0;">+<span id="LC1533" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">exprIsTrivial</span> <span class="n" style="color: #333;">rhs</span><span class="idiff left">  </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- See Note [Do not eta-expand trivial expressions]</span></span></span>
</pre>
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1534
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1534
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<pre style="margin: 0;"> <span id="LC1534" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">exprArity</span> <span class="n" style="color: #333;">rhs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">False</span><span class="p">,</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1535
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<td class="diff-line-num new_line" data-linenumber="1535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1535
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<pre style="margin: 0;"> <span id="LC1535" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1536
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<td class="diff-line-num new_line" data-linenumber="1536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1536
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<pre style="margin: 0;"> <span id="LC1536" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">sm_eta_expand</span> <span class="n" style="color: #333;">mode</span>      <span class="c1" style="color: #998; font-style: italic;">-- Provided eta-expansion is on</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1574,9 +1574,17 @@ because then 'genMap' will inline, and it really shouldn't: at least</td>
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1574
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<td class="diff-line-num new_line" data-linenumber="1574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1574
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<pre style="margin: 0;"> <span id="LC1574" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">as far as the programmer is concerned, it's not applied to two</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1575
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<td class="diff-line-num new_line" data-linenumber="1575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1575
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<pre style="margin: 0;"> <span id="LC1575" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">arguments!</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1576
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<td class="diff-line-num new_line" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1576
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<pre style="margin: 0;"> <span id="LC1576" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1577
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<pre style="margin: 0;">+<span id="LC1577" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Do not eta-expand trivial expressions]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1578
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<pre style="margin: 0;">+<span id="LC1578" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1579
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<pre style="margin: 0;">+<span id="LC1579" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Do not eta-expand a trivial RHS like</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1580
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<pre style="margin: 0;">+<span id="LC1580" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f = g</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1581
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<pre style="margin: 0;">+<span id="LC1581" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If we eta expand do</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1582
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<pre style="margin: 0;">+<span id="LC1582" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f = \x. g x</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1583
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<pre style="margin: 0;">+<span id="LC1583" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">we'll just eta-reduce again, and so on; so the</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1584
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<pre style="margin: 0;">+<span id="LC1584" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">simplifier never terminates.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1585
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<pre style="margin: 0;">+<span id="LC1585" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1577
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<td class="diff-line-num new_line" data-linenumber="1586" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1586
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<pre style="margin: 0;"> <span id="LC1586" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Do not eta-expand join points]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1578
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<td class="diff-line-num new_line" data-linenumber="1587" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1587
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<pre style="margin: 0;"> <span id="LC1587" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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1579
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<td class="diff-line-num new_line old" data-linenumber="1588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1579" class="line" lang="haskell"></span>
</pre>
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1580
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<pre style="margin: 0;"> <span id="LC1588" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Similarly to CPR (see Note [Don't w/w join points for CPR] in</span></span>
</pre>
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1581
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<td class="diff-line-num new_line" data-linenumber="1589" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1589
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<pre style="margin: 0;"> <span id="LC1589" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">GHC.Core.Opt.WorkWrap), a join point stands well to gain from its outer binding's</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1582
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<td class="diff-line-num new_line" data-linenumber="1590" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1590
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<pre style="margin: 0;"> <span id="LC1590" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">eta-expansion, and eta-expanding a join point is fraught with issues like how to</span></span>
</pre>
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</li>
<li id="b6a5ba32bafb8fbda933538b3007e755fef6f101">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#b6a5ba32bafb8fbda933538b3007e755fef6f101"><strong>compiler/GHC/Core/Opt/SpecConstr.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1760" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1760" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1760,8 +1760,8 @@ Note [Transfer activation]</td>
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1760
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<pre style="margin: 0;"> <span id="LC1760" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">In which phase should the specialise-constructor rules be active?</span></span>
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<pre style="margin: 0;"> <span id="LC1761" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Originally I made them always-active, but Manuel found that this</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1762" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">defeated some clever user-written rules.  Then I made them active only</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1763" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">in <span class="idiff left right">Phase 0</span>; after all, currently, the specConstr transformation is</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1764" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">only run after the simplifier has reached <span class="idiff left right">Phase 0</span>, but that meant</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1765" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC1763" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">in <span class="idiff left right">finalPhase</span>; after all, currently, the specConstr transformation is</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC1764" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">only run after the simplifier has reached <span class="idiff left right">finalPhase</span>, but that meant</span></span>
</pre>
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1765
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<td class="diff-line-num new_line" data-linenumber="1765" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1765" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">that specialisations didn't fire inside wrappers; see test</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1766" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">simplCore/should_compile/spec-inline.</span></span>
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<pre style="margin: 0;"> <span id="LC1767" class="line" lang="haskell"></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#5b215b0e109123e4bef5434854f18e2f61c45b88"><strong>compiler/GHC/Core/Opt/WorkWrap.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="245" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -245,8 +245,8 @@ NOINLINE pragma to the worker.</td>
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<pre style="margin: 0;"> <span id="LC245" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(See #13143 for a real-world example.)</span></span>
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<pre style="margin: 0;"> <span id="LC246" class="line" lang="haskell"></span>
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<td class="diff-line-num old_line" data-linenumber="247" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC247" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">It is crucial that we do this for *all* NOINLINE functions. #10069</span></span>
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<pre style="margin: 0;">-<span id="LC248" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">demonstrates what happens when we promise to w/w a (NOINLINE) leaf<span class="idiff left right"> function, but</span></span></span>
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<pre style="margin: 0;">-<span id="LC249" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">fail to deliver:</span></span>
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<pre style="margin: 0;">+<span id="LC248" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">demonstrates what happens when we promise to w/w a (NOINLINE) leaf</span></span>
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<pre style="margin: 0;">+<span id="LC249" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">f<span class="idiff left right">unction, but f</span>ail to deliver:</span></span>
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<pre style="margin: 0;"> <span id="LC250" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC251" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  data C = C Int# Int#</span></span>
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<pre style="margin: 0;"> <span id="LC252" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -426,8 +426,15 @@ Reminder: Note [Don't w/w INLINE things], so we don't need to worry</td>
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<pre style="margin: 0;"> <span id="LC426" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC427" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Conclusion:</span></span>
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<pre style="margin: 0;"> <span id="LC428" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  - If the user said NOINLINE[n], respect that</span></span>
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<pre style="margin: 0;">-<span id="LC429" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  - If the user said NOINLINE, inline the wrapper as late as</span></span>
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<pre style="margin: 0;">-<span id="LC430" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    poss (phase 0). This is a compromise driven by (2) above</span></span>
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<pre style="margin: 0;">+<span id="LC429" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC430" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  - If the user said NOINLINE, inline the wrapper only after</span></span>
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<pre style="margin: 0;">+<span id="LC431" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    phase 0, the last user-visible phase.  That means that all</span></span>
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<pre style="margin: 0;">+<span id="LC432" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    rules will have had a chance to fire.</span></span>
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<pre style="margin: 0;">+<span id="LC433" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC434" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    What phase is after phase 0?  Answer: finalPhase, phase (-1).</span></span>
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<pre style="margin: 0;">+<span id="LC435" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    That's the reason finalPhase exists. NB: user's can't write</span></span>
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<pre style="margin: 0;">+<span id="LC436" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    INLINE[-1] f; it's syntactically illegal.</span></span>
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437
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<pre style="margin: 0;">+<span id="LC437" class="line" lang="haskell"></span>
</pre>
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431
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438
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<pre style="margin: 0;"> <span id="LC438" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  - Otherwise inline wrapper in phase 2.  That allows the</span></span>
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432
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<td class="diff-line-num new_line" data-linenumber="439" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
439
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<pre style="margin: 0;"> <span id="LC439" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    'gentle' simplification pass to apply specialisation rules</span></span>
</pre>
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440
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<pre style="margin: 0;"> <span id="LC440" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -575,8 +582,8 @@ splitFun dflags fam_envs fn_id fn_info wrap_dmds div cpr rhs</td>
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575
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<pre style="margin: 0;"> <span id="LC582" class="line" lang="haskell">        <span class="n" style="color: #333;">work_uniq</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getUniqueM</span></span>
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<td class="diff-line-num old_line" data-linenumber="576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
576
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<td class="diff-line-num new_line" data-linenumber="583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC583" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">work_rhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">work_fn</span> <span class="n" style="color: #333;">rhs</span></span>
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<td class="diff-line-num old_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
577
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<td class="diff-line-num new_line" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC584" class="line" lang="haskell">            <span class="n" style="color: #333;">work_act</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">fn_inline_spec</span> <span class="kr" style="font-weight: 600;">of</span>  <span class="c1" style="color: #998; font-style: italic;">-- See Note [Worker activation]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC578" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">NoInline</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;"><span class="idiff left right">fn_act</span></span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
579
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<td class="diff-line-num new_line old" data-linenumber="585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC579" class="line" lang="haskell">                          <span class="kr" style="font-weight: 600;">_</span>        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;"><span class="idiff left right">wrap_act</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC585" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">NoInline</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;"><span class="idiff left">inl_act</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">fn_inl_prag</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="586" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
586
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<pre style="margin: 0;">+<span id="LC586" class="line" lang="haskell">                          <span class="kr" style="font-weight: 600;">_</span>        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;"><span class="idiff left">inl_act</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">wrap_prag</span></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
580
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<td class="diff-line-num new_line" data-linenumber="587" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
587
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<pre style="margin: 0;"> <span id="LC587" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC588" class="line" lang="haskell">            <span class="n" style="color: #333;">work_prag</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span> <span class="p">{</span> <span class="n" style="color: #333;">inl_src</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SourceText</span> <span class="s" style="color: #d14;">"{-# INLINE"</span></span>
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<td class="diff-line-num new_line" data-linenumber="589" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
589
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<pre style="margin: 0;"> <span id="LC589" class="line" lang="haskell">                                     <span class="p">,</span> <span class="n" style="color: #333;">inl_inline</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fn_inline_spec</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="626" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="633" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -626,19 +633,7 @@ splitFun dflags fam_envs fn_id fn_info wrap_dmds div cpr rhs</td>
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<td class="diff-line-num old_line" data-linenumber="626" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="633" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC633" class="line" lang="haskell">                          <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">topDmd</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="627" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="634" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC634" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC635" class="line" lang="haskell">            <span class="n" style="color: #333;">wrap_rhs</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">wrap_fn</span> <span class="n" style="color: #333;">work_id</span></span>
</pre>
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629
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<td class="diff-line-num new_line old" data-linenumber="636" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC629" class="line" lang="haskell">            <span class="n" style="color: #333;">wrap_act</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">fn_act</span> <span class="kr" style="font-weight: 600;">of</span>  <span class="c1" style="color: #998; font-style: italic;">-- See Note [Wrapper activation]</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC630" class="line" lang="haskell">                           <span class="kt" style="color: #458; font-weight: 600;">ActiveAfter</span> <span class="p">{}</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fn_act</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC631" class="line" lang="haskell">                           <span class="kt" style="color: #458; font-weight: 600;">NeverActive</span>    <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">activeDuringFinal</span></span>
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<pre style="margin: 0;">-<span id="LC632" class="line" lang="haskell">                           <span class="kr" style="font-weight: 600;">_</span>              <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">activeAfterInitial</span></span>
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<pre style="margin: 0;">-<span id="LC633" class="line" lang="haskell">            <span class="n" style="color: #333;">wrap_prag</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span> <span class="p">{</span> <span class="n" style="color: #333;">inl_src</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SourceText</span> <span class="s" style="color: #d14;">"{-# INLINE"</span></span>
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<pre style="margin: 0;">-<span id="LC634" class="line" lang="haskell">                                     <span class="p">,</span> <span class="n" style="color: #333;">inl_inline</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoUserInline</span></span>
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<pre style="margin: 0;">-<span id="LC635" class="line" lang="haskell">                                     <span class="p">,</span> <span class="n" style="color: #333;">inl_sat</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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<pre style="margin: 0;">-<span id="LC636" class="line" lang="haskell">                                     <span class="p">,</span> <span class="n" style="color: #333;">inl_act</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">wrap_act</span></span>
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<pre style="margin: 0;">-<span id="LC637" class="line" lang="haskell">                                     <span class="p">,</span> <span class="n" style="color: #333;">inl_rule</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rule_match_info</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC638" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- inl_act:    see Note [Wrapper activation]</span></span>
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<pre style="margin: 0;">-<span id="LC639" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- inl_inline: see Note [Wrapper NoUserInline]</span></span>
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<pre style="margin: 0;">-<span id="LC640" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- inl_rule:   RuleMatchInfo is (and must be) unaffected</span></span>
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<pre style="margin: 0;">-<span id="LC641" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC636" class="line" lang="haskell">            <span class="n" style="color: #333;">wrap_prag</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkStrWrapperInlinePrag</span> <span class="n" style="color: #333;">fn_inl_prag</span></span>
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<pre style="margin: 0;"> <span id="LC637" class="line" lang="haskell">            <span class="n" style="color: #333;">wrap_id</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fn_id</span> <span class="p">`</span><span class="n" style="color: #333;">setIdUnfolding</span><span class="p">`</span>  <span class="n" style="color: #333;">mkWwInlineRule</span> <span class="n" style="color: #333;">dflags</span> <span class="n" style="color: #333;">wrap_rhs</span> <span class="n" style="color: #333;">arity</span></span>
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<pre style="margin: 0;"> <span id="LC638" class="line" lang="haskell">                              <span class="p">`</span><span class="n" style="color: #333;">setInlinePragma</span><span class="p">`</span> <span class="n" style="color: #333;">wrap_prag</span></span>
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<pre style="margin: 0;"> <span id="LC639" class="line" lang="haskell">                              <span class="p">`</span><span class="n" style="color: #333;">setIdOccInfo</span><span class="p">`</span>    <span class="n" style="color: #333;">noOccInfo</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -655,8 +650,6 @@ splitFun dflags fam_envs fn_id fn_info wrap_dmds div cpr rhs</td>
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<pre style="margin: 0;"> <span id="LC650" class="line" lang="haskell">    <span class="n" style="color: #333;">rhs_fvs</span>         <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">exprFreeVars</span> <span class="n" style="color: #333;">rhs</span></span>
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<pre style="margin: 0;"> <span id="LC651" class="line" lang="haskell">    <span class="n" style="color: #333;">fn_inl_prag</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inlinePragInfo</span> <span class="n" style="color: #333;">fn_info</span></span>
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<pre style="margin: 0;"> <span id="LC652" class="line" lang="haskell">    <span class="n" style="color: #333;">fn_inline_spec</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inl_inline</span> <span class="n" style="color: #333;">fn_inl_prag</span></span>
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<pre style="margin: 0;">-<span id="LC658" class="line" lang="haskell">    <span class="n" style="color: #333;">fn_act</span>          <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inl_act</span> <span class="n" style="color: #333;">fn_inl_prag</span></span>
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<pre style="margin: 0;">-<span id="LC659" class="line" lang="haskell">    <span class="n" style="color: #333;">rule_match_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">inlinePragmaRuleMatchInfo</span> <span class="n" style="color: #333;">fn_inl_prag</span></span>
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<pre style="margin: 0;"> <span id="LC653" class="line" lang="haskell">    <span class="n" style="color: #333;">fn_unfolding</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unfoldingInfo</span> <span class="n" style="color: #333;">fn_info</span></span>
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<pre style="margin: 0;"> <span id="LC654" class="line" lang="haskell">    <span class="n" style="color: #333;">arity</span>           <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arityInfo</span> <span class="n" style="color: #333;">fn_info</span></span>
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<pre style="margin: 0;"> <span id="LC655" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- The arity is set by the simplifier using exprEtaExpandArity</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -674,6 +667,20 @@ splitFun dflags fam_envs fn_id fn_info wrap_dmds div cpr rhs</td>
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<pre style="margin: 0;"> <span id="LC667" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">topCpr</span></span>
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<pre style="margin: 0;"> <span id="LC668" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC669" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC670" class="line" lang="haskell"><span class="n" style="color: #333;">mkStrWrapperInlinePrag</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span></span>
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<pre style="margin: 0;">+<span id="LC671" class="line" lang="haskell"><span class="n" style="color: #333;">mkStrWrapperInlinePrag</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span> <span class="p">{</span> <span class="n" style="color: #333;">inl_act</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">act</span><span class="p">,</span> <span class="n" style="color: #333;">inl_rule</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rule_info</span> <span class="p">})</span></span>
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<pre style="margin: 0;">+<span id="LC672" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">InlinePragma</span> <span class="p">{</span> <span class="n" style="color: #333;">inl_src</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SourceText</span> <span class="s" style="color: #d14;">"{-# INLINE"</span></span>
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<pre style="margin: 0;">+<span id="LC673" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">inl_inline</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoUserInline</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Wrapper NoUserInline]</span></span>
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<pre style="margin: 0;">+<span id="LC674" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">inl_sat</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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<pre style="margin: 0;">+<span id="LC675" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">inl_act</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">wrap_act</span>     <span class="c1" style="color: #998; font-style: italic;">-- See Note [Wrapper activation]</span></span>
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<pre style="margin: 0;">+<span id="LC676" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">inl_rule</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rule_info</span> <span class="p">}</span>  <span class="c1" style="color: #998; font-style: italic;">-- RuleMatchInfo is (and must be) unaffected</span></span>
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<pre style="margin: 0;">+<span id="LC677" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC678" class="line" lang="haskell">    <span class="n" style="color: #333;">wrap_act</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">act</span> <span class="kr" style="font-weight: 600;">of</span>  <span class="c1" style="color: #998; font-style: italic;">-- See Note [Wrapper activation]</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC679" class="line" lang="haskell">                   <span class="kt" style="color: #458; font-weight: 600;">ActiveAfter</span> <span class="p">{}</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">act</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="680" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC680" class="line" lang="haskell">                   <span class="kt" style="color: #458; font-weight: 600;">NeverActive</span>    <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">activeDuringFinal</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="681" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC681" class="line" lang="haskell">                   <span class="kr" style="font-weight: 600;">_</span>              <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">activeAfterInitial</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC682" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC683" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="684" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
684
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<pre style="margin: 0;"> <span id="LC684" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="685" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC685" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Demand on the worker]</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC686" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<br>
</li>
<li id="11ffe98a94d798427bc600e4fcfe899407536346">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#11ffe98a94d798427bc600e4fcfe899407536346"><strong>compiler/GHC/Core/SimpleOpt.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1340" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1340" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1340,8 +1340,7 @@ pushCoTyArg co ty</td>
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<pre style="margin: 0;"> <span id="LC1340" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1341" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1341" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1342" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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1342
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<pre style="margin: 0;"> <span id="LC1342" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1343" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1343" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1343" class="line" lang="haskell">    <span class="n" style="color: #333;">tyL</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionLKind</span> <span class="n" style="color: #333;">co</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1344" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1344
</td>
<td class="diff-line-num new_line old" data-linenumber="1343" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1344" class="line" lang="haskell">    <span class="n" style="color: #333;">tyR</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionRKind</span> <span class="n" style="color: #333;">co</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1345" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1343" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC1343" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">Pair</span> <span class="n" style="color: #333;">tyL</span> <span class="n" style="color: #333;">tyR</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionKind</span> <span class="n" style="color: #333;">co</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1345" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1345
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<td class="diff-line-num new_line" data-linenumber="1344" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1344" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- co :: tyL ~ tyR</span></span>
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<pre style="margin: 0;"> <span id="LC1345" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- tyL = forall (a1 :: k1). ty1</span></span>
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<pre style="margin: 0;"> <span id="LC1346" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- tyR = forall (a2 :: k2). ty2</span></span>
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<br>
</li>
<li id="84c9d3ba34173297e7d7747e02caa2e004b164fc">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#84c9d3ba34173297e7d7747e02caa2e004b164fc"><strong>compiler/GHC/Core/Type.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="51" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="51" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -51,7 +51,7 @@ module GHC.Core.Type (</td>
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<pre style="margin: 0;"> <span id="LC51" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">splitPiTy_maybe</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">splitPiTy</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">splitPiTys</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC52" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkTyConBindersPreferAnon</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkPiTy</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkPiTys</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC54" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkLamType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkLamTypes</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC54" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkLamType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkLamTypes</span><span class="p">,</span><span class="idiff left"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">mkFunctionType</span></span><span class="p"><span class="idiff right">,</span></span></span>
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">piResultTy</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">piResultTys</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC56" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">applyTysX</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">dropForAlls</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkFamilyTyConApp</span><span class="p">,</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="256" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -256,7 +256,7 @@ import {-# SOURCE #-} GHC.Core.Coercion</td>
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<pre style="margin: 0;"> <span id="LC256" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">mkTyConAppCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkAppCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkCoVarCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkAxiomRuleCo</span></span>
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<pre style="margin: 0;"> <span id="LC257" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">mkForAllCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkFunCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkAxiomInstCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkUnivCo</span></span>
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<pre style="margin: 0;"> <span id="LC258" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">mkSymCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkTransCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkNthCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkLRCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkInstCo</span></span>
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<td class="diff-line-num new_line old" data-linenumber="259" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC259" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">mkKindCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkSubCo</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">mkFunCo</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">mkAxiomInstCo</span></span></span>
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<pre style="margin: 0;">+<span id="LC259" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">mkKindCo</span><span class="p">,</span> <span class="n" style="color: #333;">mkSubCo</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC260" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">decomposePiCos</span><span class="p">,</span> <span class="n" style="color: #333;">coercionKind</span><span class="p">,</span> <span class="n" style="color: #333;">coercionLKind</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC261" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">coercionRKind</span><span class="p">,</span> <span class="n" style="color: #333;">coercionType</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC262" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">isReflexiveCo</span><span class="p">,</span> <span class="n" style="color: #333;">seqCo</span> <span class="p">)</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1517" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1517" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1517,6 +1517,8 @@ mkLamType  :: Var -> Type -> Type</td>
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<pre style="margin: 0;"> <span id="LC1517" class="line" lang="haskell"><span class="n" style="color: #333;">mkLamTypes</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Var</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1518" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1518" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ^ 'mkLamType' for multiple type or value arguments</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1519" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1520" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC1520" class="line" lang="haskell"><span class="n" style="color: #333;">mkLamTypes</span> <span class="n" style="color: #333;">vs</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">mkLamType</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">vs</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1520" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC1521" class="line" lang="haskell"></span>
</pre>
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1522
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<pre style="margin: 0;"> <span id="LC1522" class="line" lang="haskell"><span class="n" style="color: #333;">mkLamType</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">body_ty</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1523" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1523" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isTyVar</span> <span class="n" style="color: #333;">v</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1522" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1524" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1524" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">v</span> <span class="kt" style="color: #458; font-weight: 600;">Inferred</span><span class="p">)</span> <span class="n" style="color: #333;">body_ty</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1527" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1525,43 +1527,19 @@ mkLamType v body_ty</td>
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<pre style="margin: 0;"> <span id="LC1527" class="line" lang="haskell">   <span class="p">,</span> <span class="n" style="color: #333;">v</span> <span class="p">`</span><span class="n" style="color: #333;">elemVarSet</span><span class="p">`</span> <span class="n" style="color: #333;">tyCoVarsOfType</span> <span class="n" style="color: #333;">body_ty</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1528" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1528" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">v</span> <span class="kt" style="color: #458; font-weight: 600;">Required</span><span class="p">)</span> <span class="n" style="color: #333;">body_ty</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1529" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1528" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1528" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isPredTy</span> <span class="n" style="color: #333;">arg_ty</span>  <span class="c1" style="color: #998; font-style: italic;">-- See Note [mkLamType: dictionary arguments]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1529" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1529" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkInvisFunTy</span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">body_ty</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC1530" class="line" lang="haskell"></span>
</pre>
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1531
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<td class="diff-line-num new_line" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1530
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<pre style="margin: 0;"> <span id="LC1530" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1532" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1532
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<td class="diff-line-num new_line old" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1532" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVisFunTy</span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">body_ty</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1533
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<td class="diff-line-num new_line old" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1533" class="line" lang="haskell">   <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1534
</td>
<td class="diff-line-num new_line old" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1534" class="line" lang="haskell">     <span class="n" style="color: #333;">arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">v</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1535
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<td class="diff-line-num new_line old" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1535" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1536
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<td class="diff-line-num new_line old" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1536" class="line" lang="haskell"><span class="n" style="color: #333;">mkLamTypes</span> <span class="n" style="color: #333;">vs</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">mkLamType</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">vs</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1537" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1531
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<pre style="margin: 0;">+<span id="LC1531" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkFunctionType</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="n" style="color: #333;">body_ty</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1537" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1537
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<td class="diff-line-num new_line" data-linenumber="1532" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1532
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1532" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1538" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1538
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<td class="diff-line-num new_line old" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1538" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [mkLamType: dictionary arguments]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1539" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1539
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<td class="diff-line-num new_line old" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1539" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1540" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1540
</td>
<td class="diff-line-num new_line old" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1540" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If we have (\ (d :: Ord a). blah), we want to give it type</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1541
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<td class="diff-line-num new_line old" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1541" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">           (Ord a => blah_ty)</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1542" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1542
</td>
<td class="diff-line-num new_line old" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1542" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">with a fat arrow; that is, using mkInvisFunTy, not mkVisFunTy.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1543
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<td class="diff-line-num new_line" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1533
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1533" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="1544" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1544
</td>
<td class="diff-line-num new_line old" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1544" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Why? After all, we are in Core, where (=>) and (->) behave the same.</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1545" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1545
</td>
<td class="diff-line-num new_line old" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1545" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Yes, but the /specialiser/ does treat dictionary arguments specially.</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1546" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1546
</td>
<td class="diff-line-num new_line old" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1546" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Suppose we do w/w on 'foo' in module A, thus (#11272, #6056)</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1547
</td>
<td class="diff-line-num new_line old" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1547" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   foo :: Ord a => Int -> blah</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1548" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1548
</td>
<td class="diff-line-num new_line old" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1548" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   foo a d x = case x of I# x' -> $wfoo @a d x'</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1534
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<pre style="margin: 0;">+<span id="LC1534" class="line" lang="haskell"><span class="n" style="color: #333;">mkFunctionType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1535
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<pre style="margin: 0;">+<span id="LC1535" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This one works out the AnonArgFlag from the argument type</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1536
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<pre style="margin: 0;">+<span id="LC1536" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See GHC.Types.Var Note [AnonArgFlag]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1537" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1537
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<pre style="margin: 0;">+<span id="LC1537" class="line" lang="haskell"><span class="n" style="color: #333;">mkFunctionType</span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">res_ty</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1538" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1538
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<pre style="margin: 0;">+<span id="LC1538" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isPredTy</span> <span class="n" style="color: #333;">arg_ty</span> <span class="c1" style="color: #998; font-style: italic;">-- See GHC.Types.Var Note [AnonArgFlag]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1539" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1539
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<pre style="margin: 0;">+<span id="LC1539" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkInvisFunTy</span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">res_ty</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1549
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<td class="diff-line-num new_line" data-linenumber="1540" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1540
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<pre style="margin: 0;"> <span id="LC1540" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1550" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1550
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<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1550" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   $wfoo :: Ord a => Int# -> blah</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1551" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1551
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1551" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1552" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1552
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1552" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Now in module B we see (foo @Int dOrdInt).  The specialiser will</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1553" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1553
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1553" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">specialise this to $sfoo, where</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1554" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1554
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1554" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   $sfoo :: Int -> blah</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1555" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1555
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1555" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   $sfoo x = case x of I# x' -> $wfoo @Int dOrdInt x'</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1556" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1556
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1556" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1557" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1557
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1557" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Now we /must/ also specialise $wfoo!  But it wasn't user-written,</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1558" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1558
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1558" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">and has a type built with mkLamTypes.</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1559" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1559
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1559" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1560
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1560" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Conclusion: the easiest thing is to make mkLamType build</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1561" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1561
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1561" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">            (c => ty)</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1562
</td>
<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1562" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">when the argument is a predicate type.  See GHC.Core.TyCo.Rep</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1563" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1563
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<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1563" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Types for coercions, predicates, and evidence]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1564" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1564
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<td class="diff-line-num new_line old" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1564" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1565" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1541
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<pre style="margin: 0;">+<span id="LC1541" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1565" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1542" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1542
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<pre style="margin: 0;">+<span id="LC1542" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVisFunTy</span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">res_ty</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1543
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<pre style="margin: 0;"> <span id="LC1543" class="line" lang="haskell"></span>
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<td class="diff-line-num old_line" data-linenumber="1566" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1544" class="line" lang="haskell"><span class="cd">-- | Given a list of type-level vars and the free vars of a result kind,</span></span>
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<pre style="margin: 0;"> <span id="LC1545" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- makes TyCoBinders, preferring anonymous binders</span></span>
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<li id="2811a7297b8aa206197ac1f5dabd0818e3c7ec5a">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#2811a7297b8aa206197ac1f5dabd0818e3c7ec5a"><strong>compiler/GHC/Core/Unfold.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="412" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -412,6 +412,8 @@ inlineBoringOk e</td>
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<pre style="margin: 0;"> <span id="LC412" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">exprIsTrivial</span> <span class="n" style="color: #333;">a</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">credit</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span><span class="p">)</span> <span class="n" style="color: #333;">f</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC413" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">credit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Tick</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">e</span><span class="p">)</span>                   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">credit</span> <span class="n" style="color: #333;">e</span> <span class="c1" style="color: #998; font-style: italic;">-- dubious</span></span>
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<td class="diff-line-num old_line" data-linenumber="414" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC414" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">credit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Cast</span> <span class="n" style="color: #333;">e</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span>                   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">credit</span> <span class="n" style="color: #333;">e</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="415" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="415" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC415" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">credit</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Case</span> <span class="n" style="color: #333;">scrut</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">[(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span><span class="n" style="color: #333;">rhs</span><span class="p">)])</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Inline unsafeCoerce]</span></span>
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<td class="diff-line-num new old_line" data-linenumber="415" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="416" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC416" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isUnsafeEqualityProof</span> <span class="n" style="color: #333;">scrut</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">credit</span> <span class="n" style="color: #333;">rhs</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="417" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC417" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kr" style="font-weight: 600;">_</span>      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="p">{})</span>                     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">boringCxtOk</span></span>
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<td class="diff-line-num new_line" data-linenumber="418" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC418" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kr" style="font-weight: 600;">_</span>      <span class="kr" style="font-weight: 600;">_</span>                            <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">boringCxtNotOk</span></span>
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<pre style="margin: 0;"> <span id="LC419" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -459,7 +461,21 @@ calcUnfoldingGuidance dflags is_top_bottoming expr</td>
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<pre style="margin: 0;"> <span id="LC461" class="line" lang="haskell">                       <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>             <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="o" style="font-weight: 600;">+</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC462" class="line" lang="haskell">             <span class="c1" style="color: #998; font-style: italic;">-- See Note [Function and non-function discounts]</span></span>
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<pre style="margin: 0;"> <span id="LC463" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC462" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">+<span id="LC464" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Inline unsafeCoerce]</span></span>
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<pre style="margin: 0;">+<span id="LC465" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;">+<span id="LC466" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">We really want to inline unsafeCoerce, even when applied to boring</span></span>
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<pre style="margin: 0;">+<span id="LC467" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">arguments.  It doesn't look as if its RHS is smaller than the call</span></span>
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<pre style="margin: 0;">+<span id="LC468" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   unsafeCoerce x = case unsafeEqualityProof @a @b of UnsafeRefl -> x</span></span>
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<pre style="margin: 0;">+<span id="LC469" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">but that case is discarded -- see Note [Implementing unsafeCoerce]</span></span>
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<pre style="margin: 0;">+<span id="LC470" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">in base:Unsafe.Coerce.</span></span>
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<pre style="margin: 0;">+<span id="LC471" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC472" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Moreover, if we /don't/ inline it, we may be left with</span></span>
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<pre style="margin: 0;">+<span id="LC473" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">          f (unsafeCoerce x)</span></span>
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<pre style="margin: 0;">+<span id="LC474" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">which will build a thunk -- bad, bad, bad.</span></span>
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<pre style="margin: 0;">+<span id="LC475" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC476" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Conclusion: we really want inlineBoringOk to be True of the RHS of</span></span>
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<pre style="margin: 0;">+<span id="LC477" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">unsafeCoerce.  This is (U4a) in Note [Implementing unsafeCoerce].</span></span>
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<pre style="margin: 0;">+<span id="LC478" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC479" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Computing the size of an expression]</span></span>
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<pre style="margin: 0;"> <span id="LC480" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;"> <span id="LC481" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The basic idea of sizeExpr is obvious enough: count nodes.  But getting the</span></span>
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<br>
</li>
<li id="1a7aba0daeafab195716dd25432479804a55ab60">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#1a7aba0daeafab195716dd25432479804a55ab60"><strong>compiler/GHC/Core/Utils.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="56" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -56,6 +56,9 @@ module GHC.Core.Utils (</td>
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<pre style="margin: 0;"> <span id="LC56" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * Join points</span></span>
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isJoinBind</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC58" class="line" lang="haskell"></span>
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<td class="diff-line-num new old_line" data-linenumber="59" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC59" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * unsafeEqualityProof</span></span>
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<pre style="margin: 0;">+<span id="LC60" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isUnsafeEqualityProof</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC61" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * Dumping stuff</span></span>
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<pre style="margin: 0;"> <span id="LC63" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">dumpIdInfoOfProgram</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell">    <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="69" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -66,7 +69,7 @@ import GHC.Prelude</td>
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<pre style="margin: 0;"> <span id="LC69" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Platform</span></span>
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<pre style="margin: 0;"> <span id="LC70" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC71" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core</span></span>
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<pre style="margin: 0;">-<span id="LC69" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.Names</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">makeStaticName</span> <span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC72" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.Names</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">makeStaticName</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">unsafeEqualityProofName</span></span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Ppr</span></span>
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<pre style="margin: 0;"> <span id="LC74" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.FVs</span><span class="p">(</span> <span class="n" style="color: #333;">exprFreeVars</span> <span class="p">)</span></span>
</pre>
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75
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2533,3 +2536,20 @@ dumpIdInfoOfProgram ppr_id_info binds = vcat (map printId ids)</td>
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<pre style="margin: 0;"> <span id="LC2536" class="line" lang="haskell">  <span class="n" style="color: #333;">getIds</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Rec</span> <span class="n" style="color: #333;">bs</span><span class="p">)</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">fst</span> <span class="n" style="color: #333;">bs</span></span>
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<pre style="margin: 0;"> <span id="LC2537" class="line" lang="haskell">  <span class="n" style="color: #333;">printId</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isExportedId</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">colon</span> <span class="o" style="font-weight: 600;"><+></span> <span class="p">(</span><span class="n" style="color: #333;">ppr_id_info</span> <span class="p">(</span><span class="n" style="color: #333;">idInfo</span> <span class="n" style="color: #333;">id</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC2538" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>       <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">empty</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC2539" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC2540" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC2541" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- *********************************************************************</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2542" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*                                                                      *</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="2543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC2543" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">             unsafeEqualityProof</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2544" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*                                                                      *</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2545" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">********************************************************************* -}</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="2546" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC2546" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="2547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC2547" class="line" lang="haskell"><span class="n" style="color: #333;">isUnsafeEqualityProof</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="2548" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC2548" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See (U3) and (U4) in</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2549" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note [Implementing unsafeCoerce] in base:Unsafe.Coerce</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2550" class="line" lang="haskell"><span class="n" style="color: #333;">isUnsafeEqualityProof</span> <span class="n" style="color: #333;">e</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2551" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">v</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;">App</span><span class="p">`</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;">App</span><span class="p">`</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;">App</span><span class="p">`</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">e</span></span>
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<td class="diff-line-num new old_line" data-linenumber="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="2552" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2552
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<pre style="margin: 0;">+<span id="LC2552" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">idName</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">unsafeEqualityProofName</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2553" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2553
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<pre style="margin: 0;">+<span id="LC2553" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="2554" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2554
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<pre style="margin: 0;">+<span id="LC2554" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="2555" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2555
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<pre style="margin: 0;">+<span id="LC2555" class="line" lang="haskell"></span></pre>
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<br>
</li>
<li id="a5d27de4e3111a69f69902c65ecf7b3379f7c49a">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#a5d27de4e3111a69f69902c65ecf7b3379f7c49a"><strong>compiler/GHC/CoreToStg/Prep.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1011,15 +1011,6 @@ cpExprIsTrivial e</td>
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1011
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<td class="diff-line-num new_line" data-linenumber="1011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1011
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<pre style="margin: 0;"> <span id="LC1011" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1012
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1012
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<pre style="margin: 0;"> <span id="LC1012" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">exprIsTrivial</span> <span class="n" style="color: #333;">e</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1013
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<td class="diff-line-num new_line" data-linenumber="1013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1013
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<pre style="margin: 0;"> <span id="LC1013" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1014
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1014" class="line" lang="haskell"><span class="n" style="color: #333;">isUnsafeEqualityProof</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1015
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1015" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See (U3) and (U4) in</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1016
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1016" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note [Implementing unsafeCoerce] in base:Unsafe.Coerce</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1017
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1017" class="line" lang="haskell"><span class="n" style="color: #333;">isUnsafeEqualityProof</span> <span class="n" style="color: #333;">e</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1018
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1018" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">v</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;">App</span><span class="p">`</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;">App</span><span class="p">`</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">`</span><span class="kt" style="color: #458; font-weight: 600;">App</span><span class="p">`</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">e</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1019
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1019" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">idName</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">unsafeEqualityProofName</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1020
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1020" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1021
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1021" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1022
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<td class="diff-line-num new_line old" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1022" class="line" lang="haskell"></span>
</pre>
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1023
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<td class="diff-line-num new_line" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1014
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<pre style="margin: 0;"> <span id="LC1014" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This is where we arrange that a non-trivial argument is let-bound</span></span>
</pre>
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1024
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1015
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<pre style="margin: 0;"> <span id="LC1015" class="line" lang="haskell"><span class="n" style="color: #333;">cpeArg</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CorePrepEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Demand</span></span>
</pre>
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1025
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1016
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<pre style="margin: 0;"> <span id="LC1016" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreArg</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqSM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Floats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CpeArg</span><span class="p">)</span></span>
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<br>
</li>
<li id="166e3514d27c63ef7e86af29830d9e8b2a31c8b1">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#166e3514d27c63ef7e86af29830d9e8b2a31c8b1"><strong>compiler/GHC/Types/Basic.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="83" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="83" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -83,6 +83,7 @@ module GHC.Types.Basic (</td>
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83
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83
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<pre style="margin: 0;"> <span id="LC83" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Activation</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">isActive</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isActiveIn</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">competesWith</span><span class="p">,</span></span>
</pre>
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84
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84
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<pre style="margin: 0;"> <span id="LC84" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isNeverActive</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isAlwaysActive</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isEarlyActive</span><span class="p">,</span></span>
</pre>
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85
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85
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<pre style="margin: 0;"> <span id="LC85" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">activeAfterInitial</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">activeDuringFinal</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="86" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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86
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<pre style="margin: 0;">+<span id="LC86" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">finalPhase</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isFinalPhase</span><span class="p">,</span></span>
</pre>
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86
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87
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<pre style="margin: 0;"> <span id="LC87" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="87" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
87
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<td class="diff-line-num new_line" data-linenumber="88" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
88
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<pre style="margin: 0;"> <span id="LC88" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">RuleMatchInfo</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">isConLike</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isFunLike</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="88" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
88
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<td class="diff-line-num new_line" data-linenumber="89" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
89
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<pre style="margin: 0;"> <span id="LC89" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">InlineSpec</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">noUserInlineSpec</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1300" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1301" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1300,6 +1301,25 @@ pprWithSourceText (SourceText src) _ = text src</td>
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1300
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<td class="diff-line-num new_line" data-linenumber="1301" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1301
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<pre style="margin: 0;"> <span id="LC1301" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1301" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1301
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<td class="diff-line-num new_line" data-linenumber="1302" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1302
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<pre style="margin: 0;"> <span id="LC1302" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1302" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1302
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<td class="diff-line-num new_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1303
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<pre style="margin: 0;"> <span id="LC1303" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">When a rule or inlining is active</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1304" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1304
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<pre style="margin: 0;">+<span id="LC1304" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1305" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1305
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<pre style="margin: 0;">+<span id="LC1305" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Compiler phases]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1306" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1306
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<pre style="margin: 0;">+<span id="LC1306" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1307" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1307
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<pre style="margin: 0;">+<span id="LC1307" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The CompilerPhase says which phase the simplifier is running in:</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1308" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1308
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<pre style="margin: 0;">+<span id="LC1308" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1309" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1309
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<pre style="margin: 0;">+<span id="LC1309" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* InitialPhase: before all user-visible phases</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1310" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1310
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<pre style="margin: 0;">+<span id="LC1310" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1311" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1311
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<pre style="margin: 0;">+<span id="LC1311" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Phase 2,1,0: user-visible phases; the phase number</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1312" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1312
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<pre style="margin: 0;">+<span id="LC1312" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  controls rule ordering an inlining.</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1313" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1313
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<pre style="margin: 0;">+<span id="LC1313" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1314" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1314
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<pre style="margin: 0;">+<span id="LC1314" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Phase (-1) = finalPhase: used for all subsequent simplifier</span></span>
</pre>
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</td>
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1315
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<pre style="margin: 0;">+<span id="LC1315" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  runs. By delaying inlining of wrappers to phase (-1) we can</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1316" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1316
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<pre style="margin: 0;">+<span id="LC1316" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  ensure that RULE have a good chance to fire. See</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1317" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1317
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<pre style="margin: 0;">+<span id="LC1317" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  Note [Wrapper activation] in GHC.Core.Opt.WorkWrap</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1318" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1318
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<pre style="margin: 0;">+<span id="LC1318" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1319" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1319
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<pre style="margin: 0;">+<span id="LC1319" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  Note: users don't have access to phase (-1); it's syntactically</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1320" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1320
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<pre style="margin: 0;">+<span id="LC1320" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  illegal to write {-# INLINE[-1] f #-}</span></span>
</pre>
</td>
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<td class="diff-line-num new new_line" data-linenumber="1321" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1321
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<pre style="margin: 0;">+<span id="LC1321" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1322" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1322
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<pre style="margin: 0;">+<span id="LC1322" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The phase sequencing is done by GHC.Opt.Simplify.Driver</span></span>
</pre>
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1303
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<td class="diff-line-num new_line" data-linenumber="1323" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1323
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<pre style="margin: 0;"> <span id="LC1323" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1304" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1304
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1324
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<pre style="margin: 0;"> <span id="LC1324" class="line" lang="haskell"></span>
</pre>
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1305
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1325
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<pre style="margin: 0;"> <span id="LC1325" class="line" lang="haskell"><span class="cd">-- | Phase Number</span></span>
</pre>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1317,12 +1337,21 @@ instance Outputable CompilerPhase where</td>
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1317
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1337
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1337" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1318" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1318
</td>
<td class="diff-line-num new_line" data-linenumber="1338" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1338
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1338" class="line" lang="haskell"><span class="n" style="color: #333;">activeAfterInitial</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Activation</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1319" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1319
</td>
<td class="diff-line-num new_line" data-linenumber="1339" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1339
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1339" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Active in the first phase after the initial phase</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1320" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1320
</td>
<td class="diff-line-num new_line old" data-linenumber="1340" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1320" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Currently we have just phases [2,1,0]</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1321" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1340" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1340
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1340" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Currently we have just phases [2,1,0,-1]</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1321" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1341" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1341
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1341" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Where "-1" means GHC's internal simplification steps</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1321" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1342" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1342
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1342" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- after all rules have run</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1321" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1321
</td>
<td class="diff-line-num new_line" data-linenumber="1343" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1343
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1343" class="line" lang="haskell"><span class="n" style="color: #333;">activeAfterInitial</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ActiveAfter</span> <span class="kt" style="color: #458; font-weight: 600;">NoSourceText</span> <span class="mi" style="color: #099;">2</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1322" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1322
</td>
<td class="diff-line-num new_line" data-linenumber="1344" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1344
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1344" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1323" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1323
</td>
<td class="diff-line-num new_line" data-linenumber="1345" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1345
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1345" class="line" lang="haskell"><span class="n" style="color: #333;">activeDuringFinal</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Activation</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1324" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1324
</td>
<td class="diff-line-num new_line" data-linenumber="1346" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1346
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1346" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Active in the final simplification phase (which is repeated)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1325" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1325
</td>
<td class="diff-line-num new_line old" data-linenumber="1347" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1325" class="line" lang="haskell"><span class="n" style="color: #333;">activeDuringFinal</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ActiveAfter</span> <span class="kt" style="color: #458; font-weight: 600;">NoSourceText</span> <span class="mi" style="color: #099;">0</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1347" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1347
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1347" class="line" lang="haskell"><span class="n" style="color: #333;">activeDuringFinal</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ActiveAfter</span> <span class="kt" style="color: #458; font-weight: 600;">NoSourceText</span> <span class="p">(</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1348" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1348
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1348" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1349" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1349
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1349" class="line" lang="haskell"><span class="n" style="color: #333;">finalPhase</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CompilerPhase</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1350" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1350
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1350" class="line" lang="haskell"><span class="n" style="color: #333;">finalPhase</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Phase</span> <span class="p">(</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1351" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1351
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1351" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1352" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1352
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1352" class="line" lang="haskell"><span class="n" style="color: #333;">isFinalPhase</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CompilerPhase</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1353" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1353
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1353" class="line" lang="haskell"><span class="n" style="color: #333;">isFinalPhase</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Phase</span> <span class="p">(</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span><span class="p">))</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
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<pre style="margin: 0;">+<span id="LC1354" class="line" lang="haskell"><span class="n" style="color: #333;">isFinalPhase</span> <span class="kr" style="font-weight: 600;">_</span>            <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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1355
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<pre style="margin: 0;"> <span id="LC1355" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC1356" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See note [Pragma source text]</span></span>
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<pre style="margin: 0;"> <span id="LC1357" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Activation</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NeverActive</span></span>
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<br>
</li>
<li id="5dac619989e8509003cf7b463c100f5cc56072a3">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#5dac619989e8509003cf7b463c100f5cc56072a3"><strong>compiler/GHC/Types/Var.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -465,10 +465,10 @@ instance Binary ArgFlag where</td>
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<pre style="margin: 0;"> <span id="LC465" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">return</span> <span class="kt" style="color: #458; font-weight: 600;">Inferred</span></span>
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<pre style="margin: 0;"> <span id="LC466" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC467" class="line" lang="haskell"><span class="cd">-- | The non-dependent version of 'ArgFlag'.</span></span>
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<pre style="margin: 0;">-<span id="LC468" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC469" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Appears here partly so that it's together with its friend<span class="idiff left right"> ArgFlag,</span></span></span>
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<pre style="margin: 0;">-<span id="LC470" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">but also because it is used in IfaceType, rather early in the</span></span></span>
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<pre style="margin: 0;">-<span id="LC471" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- compilation chain</span></span>
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<pre style="margin: 0;">+<span id="LC468" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [AnonArgFlag]</span></span>
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<pre style="margin: 0;">+<span id="LC469" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Appears here partly so that it's together with its friend<span class="idiff left right">s ArgFlag</span></span></span>
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<pre style="margin: 0;">+<span id="LC470" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">and ForallVisFlag, but also because it is used in IfaceType, rather</span></span></span>
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<pre style="margin: 0;">+<span id="LC471" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">early in the </span>compilation chain</span></span>
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<pre style="margin: 0;"> <span id="LC472" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [AnonArgFlag vs. ForallVisFlag]</span></span>
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<pre style="margin: 0;"> <span id="LC473" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">AnonArgFlag</span></span>
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<pre style="margin: 0;"> <span id="LC474" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VisArg</span>    <span class="c1" style="color: #998; font-style: italic;">-- ^ Used for @(->)@: an ordinary non-dependent arrow.</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -511,7 +511,60 @@ argToForallVisFlag Required  = ForallVis</td>
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<pre style="margin: 0;"> <span id="LC511" class="line" lang="haskell"><span class="n" style="color: #333;">argToForallVisFlag</span> <span class="kt" style="color: #458; font-weight: 600;">Specified</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ForallInvis</span></span>
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<pre style="margin: 0;"> <span id="LC512" class="line" lang="haskell"><span class="n" style="color: #333;">argToForallVisFlag</span> <span class="kt" style="color: #458; font-weight: 600;">Inferred</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ForallInvis</span></span>
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<pre style="margin: 0;"> <span id="LC513" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC514" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">+<span id="LC514" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [AnonArgFlag]</span></span>
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<pre style="margin: 0;">+<span id="LC515" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;">+<span id="LC516" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">AnonArgFlag is used principally in the FunTy constructor of Type.</span></span>
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<pre style="margin: 0;">+<span id="LC517" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  FunTy VisArg   t1 t2   means   t1 -> t2</span></span>
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<pre style="margin: 0;">+<span id="LC518" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  FunTy InvisArg t1 t2   means   t1 => t2</span></span>
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<pre style="margin: 0;">+<span id="LC519" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC520" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">However, the AnonArgFlag in a FunTy is just redundant, cached</span></span>
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<pre style="margin: 0;">+<span id="LC521" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">information.  In (FunTy { ft_af = af, ft_arg = t1, ft_res = t2 })</span></span>
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<pre style="margin: 0;">+<span id="LC522" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  * if (isPredTy t1 = True)  then af = InvisArg</span></span>
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<pre style="margin: 0;">+<span id="LC523" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  * if (isPredTy t1 = False) then af = VisArg</span></span>
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<pre style="margin: 0;">+<span id="LC524" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">where isPredTy is defined in GHC.Core.Type, and sees if t1's</span></span>
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<pre style="margin: 0;">+<span id="LC525" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">kind is Constraint.  See GHC.Core.TyCo.Rep</span></span>
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<pre style="margin: 0;">+<span id="LC526" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Types for coercions, predicates, and evidence]</span></span>
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<pre style="margin: 0;">+<span id="LC527" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC528" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">GHC.Core.Type.mkFunctionType :: Type -> Type -> Type</span></span>
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529
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<pre style="margin: 0;">+<span id="LC529" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">uses isPredTy to decide the AnonArgFlag for the FunTy.</span></span>
</pre>
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530
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<pre style="margin: 0;">+<span id="LC530" class="line" lang="haskell"></span>
</pre>
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531
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<pre style="margin: 0;">+<span id="LC531" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The term (Lam b e), and coercion (FunCo co1 co2) don't carry</span></span>
</pre>
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532
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<pre style="margin: 0;">+<span id="LC532" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">AnonArgFlags; instead they use mkFunctionType when we want to</span></span>
</pre>
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533
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<pre style="margin: 0;">+<span id="LC533" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">get their types; see mkLamType and coercionLKind/RKind resp.</span></span>
</pre>
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534
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<pre style="margin: 0;">+<span id="LC534" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This is just an engineering choice; we could cache here too</span></span>
</pre>
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535
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<pre style="margin: 0;">+<span id="LC535" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">if we wanted.</span></span>
</pre>
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536
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<pre style="margin: 0;">+<span id="LC536" class="line" lang="haskell"></span>
</pre>
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537
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<pre style="margin: 0;">+<span id="LC537" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Why bother with all this? After all, we are in Core, where (=>) and</span></span>
</pre>
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538
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<pre style="margin: 0;">+<span id="LC538" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(->) behave the same.  We maintain this distinction throughout Core so</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC539" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">that we can cheaply and conveniently determine</span></span>
</pre>
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540
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<pre style="margin: 0;">+<span id="LC540" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* How to print a type</span></span>
</pre>
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541
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<pre style="margin: 0;">+<span id="LC541" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* How to split up a type: tcSplitSigmaTy</span></span>
</pre>
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542
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<pre style="margin: 0;">+<span id="LC542" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* How to specialise it (over type classes; GHC.Core.Opt.Specialise)</span></span>
</pre>
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543
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<pre style="margin: 0;">+<span id="LC543" class="line" lang="haskell"></span>
</pre>
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544
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<pre style="margin: 0;">+<span id="LC544" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">For the specialisation point, consider</span></span>
</pre>
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545
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<pre style="margin: 0;">+<span id="LC545" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(\ (d :: Ord a). blah).  We want to give it type</span></span>
</pre>
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546
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<pre style="margin: 0;">+<span id="LC546" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">           (Ord a => blah_ty)</span></span>
</pre>
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547
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<pre style="margin: 0;">+<span id="LC547" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">with a fat arrow; that is, using mkInvisFunTy, not mkVisFunTy.</span></span>
</pre>
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548
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<pre style="margin: 0;">+<span id="LC548" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Why?  Because the /specialiser/ treats dictionary arguments specially.</span></span>
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<pre style="margin: 0;">+<span id="LC549" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Suppose we do w/w on 'foo', thus (#11272, #6056)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC550" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   foo :: Ord a => Int -> blah</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC551" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   foo a d x = case x of I# x' -> $wfoo @a d x'</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC552" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC553" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   $wfoo :: Ord a => Int# -> blah</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC554" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC555" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Now, at a call we see (foo @Int dOrdInt).  The specialiser will</span></span>
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<pre style="margin: 0;">+<span id="LC556" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">specialise this to $sfoo, where</span></span>
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<pre style="margin: 0;">+<span id="LC557" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   $sfoo :: Int -> blah</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC558" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   $sfoo x = case x of I# x' -> $wfoo @Int dOrdInt x'</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC559" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC560" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Now we /must/ also specialise $wfoo!  But it wasn't user-written,</span></span>
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<pre style="margin: 0;">+<span id="LC561" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">and has a type built with mkLamTypes.</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC562" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC563" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Conclusion: the easiest thing is to make mkLamType build</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC564" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">            (c => ty)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC565" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">when the argument is a predicate type.  See GHC.Core.TyCo.Rep</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC566" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Types for coercions, predicates, and evidence]</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC567" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC568" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [AnonArgFlag vs. ForallVisFlag]</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC569" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;"> <span id="LC570" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The AnonArgFlag and ForallVisFlag data types are quite similar at a first</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -522,15 +575,19 @@ glance:</td>
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<pre style="margin: 0;"> <span id="LC575" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC576" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Both data types keep track of visibility of some sort. AnonArgFlag tracks</span></span>
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<pre style="margin: 0;"> <span id="LC577" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">whether a FunTy has a visible argument (->) or an invisible predicate argument</span></span>
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<pre style="margin: 0;">-<span id="LC525" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(=>). ForallVisFlag tracks whether a `forall` quantifier is visible</span></span>
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<pre style="margin: 0;">-<span id="LC526" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(forall a -> {...}) or invisible (forall a. {...}).</span></span>
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<pre style="margin: 0;">-<span id="LC527" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC528" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Given their similarities, it's tempting to want to combine these two data types</span></span>
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<pre style="margin: 0;">-<span id="LC529" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">into one, but they actually represent distinct concepts. AnonArgFlag reflects a</span></span>
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<td class="diff-line-num new_line old" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC530" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">property of *Core* types, whereas ForallVisFlag reflects a property of the GHC</span></span>
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<td class="diff-line-num new_line old" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC531" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">AST. In other words, AnonArgFlag is all about internals, whereas ForallVisFlag</span></span>
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<pre style="margin: 0;">-<span id="LC532" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">is all about surface syntax. Therefore, they are kept as separate data types.</span></span>
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<pre style="margin: 0;">-<span id="LC533" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">+<span id="LC578" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(=>). ForallVisFlag tracks whether a `forall` quantifier in a user-specified</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC579" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">HsType is</span></span>
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<pre style="margin: 0;">+<span id="LC580" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   visible:   forall a -> {...}</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC581" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   invisible: forall a. {...}</span></span>
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<td class="diff-line-num new new_line" data-linenumber="582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC582" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">In fact the visible form can currently only appear in kinds.</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC583" class="line" lang="haskell"></span>
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<td class="diff-line-num new new_line" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC584" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Given their similarities, it's tempting to want to combine these two</span></span>
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<pre style="margin: 0;">+<span id="LC585" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">data types into one, but they actually represent distinct</span></span>
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<pre style="margin: 0;">+<span id="LC586" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">concepts. AnonArgFlag reflects a property of *Core* types, whereas</span></span>
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<pre style="margin: 0;">+<span id="LC587" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">ForallVisFlag reflects a property of the HsSyn source-code AST. In</span></span>
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<pre style="margin: 0;">+<span id="LC588" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">other words, AnonArgFlag is all about internals, whereas ForallVisFlag</span></span>
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<pre style="margin: 0;">+<span id="LC589" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">is all about surface syntax. Therefore, they are kept as separate data</span></span>
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<pre style="margin: 0;">+<span id="LC590" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">types.  -}</span></span>
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<pre style="margin: 0;"> <span id="LC591" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC592" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- *********************************************************************</span></span>
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<pre style="margin: 0;"> <span id="LC593" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*                                                                      *</span></span>
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</li>
<li id="98b46afb652ad9b66a276d3c312d1262c3838642">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#98b46afb652ad9b66a276d3c312d1262c3838642"><strong>libraries/base/Unsafe/Coerce.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -22,7 +22,6 @@ import GHC.Natural () -- See Note [Depend on GHC.Natural] in GHC.Base</td>
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<pre style="margin: 0;"> <span id="LC22" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types</span></span>
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Implementing unsafeCoerce]</span></span>
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<pre style="margin: 0;">-<span id="LC25" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The implementation of unsafeCoerce is surprisingly subtle.</span></span>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This Note describes the moving parts.  You will find more</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -126,9 +125,13 @@ several ways</td>
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     Flaoting the case is OK here, even though it broardens the</span></span>
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<pre style="margin: 0;"> <span id="LC126" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     scope, becuase we are done with simplification.</span></span>
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<pre style="margin: 0;"> <span id="LC127" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC129" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(U4) GHC.CoreToStg.Prep.cpeExprIsTrivial anticipate<span class="idiff left right">d</span> the</span></span>
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<pre style="margin: 0;">+<span id="LC128" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(U4) GHC.CoreToStg.Prep.cpeExprIsTrivial anticipate<span class="idiff left right">s</span> the</span></span>
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<pre style="margin: 0;"> <span id="LC129" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     upcoming discard of unsafeEqualityProof.</span></span>
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="haskell"></span>
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<td class="diff-line-num new old_line" data-linenumber="132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC131" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(U4a) Ditto GHC.Core.Unfold.inlineBoringOk we want to treat</span></span>
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<pre style="margin: 0;">+<span id="LC132" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      the RHS of unsafeCoerce as very small; see</span></span>
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<pre style="margin: 0;">+<span id="LC133" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      Note [Inline unsafeCoerce] in that module.</span></span>
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<pre style="margin: 0;">+<span id="LC134" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC135" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(U5) The definition of unsafeEqualityProof in Unsafe.Coerce</span></span>
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<pre style="margin: 0;"> <span id="LC136" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     looks very strange:</span></span>
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<pre style="margin: 0;"> <span id="LC137" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">        unsafeEqualityProof = case unsafeEqualityProof @a @b of</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -161,7 +164,7 @@ several ways</td>
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<pre style="margin: 0;"> <span id="LC164" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     to simplify the ase when the two tpyes are equal.</span></span>
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<pre style="margin: 0;"> <span id="LC165" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC166" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(U8) The is a super-magic RULE in GHC.base</span></span>
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<pre style="margin: 0;">-<span id="LC164" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">         map co<span class="idiff left right">c</span>erce = coerce</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC167" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">         map coerce = coerce</span></span>
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<pre style="margin: 0;"> <span id="LC168" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     (see Note [Getting the map/coerce RULE to work] in CoreOpt)</span></span>
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<pre style="margin: 0;"> <span id="LC169" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     But it's all about turning coerce into a cast, and unsafeCoerce</span></span>
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<pre style="margin: 0;"> <span id="LC170" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     no longer does that.  So we need a separate map/unsafeCoerce</span></span>
</pre>
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<li id="f7296c640c970ad9c7ff46e3e4854d4ab2dd7c14">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#f7296c640c970ad9c7ff46e3e4854d4ab2dd7c14"><strong>testsuite/tests/codeGen/should_compile/debug.stdout</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -18,6 +18,7 @@ src<debug.hs:4:9></td>
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<pre style="margin: 0;"> <span id="LC18" class="line" lang="plaintext">src<debug.hs:5:21-29></span>
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<pre style="margin: 0;"> <span id="LC19" class="line" lang="plaintext">src<debug.hs:5:9-29></span>
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<pre style="margin: 0;"> <span id="LC20" class="line" lang="plaintext">src<debug.hs:6:1-21></span>
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="plaintext">src<debug.hs:6:16-21></span>
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<pre style="margin: 0;"> <span id="LC22" class="line" lang="plaintext">== CBE ==</span>
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="plaintext">src<debug.hs:4:9></span>
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="plaintext">89</span></pre>
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<li id="71247aaad504d89a31c398d6edd6cfc090975b86">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#71247aaad504d89a31c398d6edd6cfc090975b86"><strong>testsuite/tests/deSugar/should_compile/T2431.stderr</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -4,7 +4,7 @@ Result size of Tidy Core</td>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext">  = {terms: 63, types: 43, coercions: 1, joins: 0/0}</span>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="plaintext"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="plaintext">-- RHS size: {terms: 2, types: 4, coercions: 1, joins: 0/0}</span>
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<td class="diff-line-num new_line old" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC7" class="line" lang="plaintext">T2431.$WRefl [InlPrag=INLINE[<span class="idiff left right">0</span>] CONLIKE] :: forall a. a :~: a</span>
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<td class="diff-line-num new old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="plaintext">T2431.$WRefl [InlPrag=INLINE[<span class="idiff left right">-1</span>] CONLIKE] :: forall a. a :~: a</span>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="plaintext">[GblId[DataConWrapper],</span>
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<pre style="margin: 0;"> <span id="LC9" class="line" lang="plaintext"> Caf=NoCafRefs,</span>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="plaintext"> Cpr=m1,</span>
</pre>
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<li id="b788976ba3555853d385fd1c6246444c972d749f">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#b788976ba3555853d385fd1c6246444c972d749f"><strong>testsuite/tests/perf/compiler/T16473.stdout</strong></a>
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<pre style="margin: 0;"> <span id="LC1" class="line" lang="plaintext">Rule fired: Class op fmap (BUILTIN)</span>
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<pre style="margin: 0;"> <span id="LC2" class="line" lang="plaintext">Rule fired: Class op liftA2 (BUILTIN)</span>
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</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3
</td>
<td class="diff-line-num new_line old" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC3" class="line" lang="plaintext">Rule fired: Class op $p1Applicative (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
4
</td>
<td class="diff-line-num new_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC3" class="line" lang="plaintext">Rule fired: Class op <*> (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
5
</td>
<td class="diff-line-num new_line old" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC5" class="line" lang="plaintext">Rule fired: Class op <$ (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
6
</td>
<td class="diff-line-num new_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
4
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext">Rule fired: Class op $p1Applicative (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
5
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC5" class="line" lang="plaintext">Rule fired: Class op <$ (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
7
</td>
<td class="diff-line-num new_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
6
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC6" class="line" lang="plaintext">Rule fired: Class op <*> (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
7
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC7" class="line" lang="plaintext">Rule fired: Class op $p1Applicative (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
8
</td>
<td class="diff-line-num new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
8
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC8" class="line" lang="plaintext">Rule fired: Class op fmap (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
9
</td>
<td class="diff-line-num new_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
9
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC9" class="line" lang="plaintext">Rule fired: Class op pure (BUILTIN)</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="10" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
10
</td>
<td class="diff-line-num new_line" data-linenumber="10" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
10
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC10" class="line" lang="plaintext">Rule fired: Class op pure (BUILTIN)</span>
</pre>
</td>
</tr>

</table>
<br>
</li>
<li id="6e2ce964ea02e92c2202946150700a3219beed86">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#6e2ce964ea02e92c2202946150700a3219beed86"><strong>testsuite/tests/simplCore/should_compile/T13143.stderr</strong></a>
<hr>
<table class="code white" style="font-family: monospace; font-size: 90%;" bgcolor="#fff" width="100%" cellpadding="0" cellspacing="0">
<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -12,7 +12,7 @@ T13143.$wf = \ (@a) _ [Occ=Dead] -> T13143.$wf @a GHC.Prim.void#</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
12
</td>
<td class="diff-line-num new_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
12
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC12" class="line" lang="plaintext">end Rec }</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
13
</td>
<td class="diff-line-num new_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
13
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC13" class="line" lang="plaintext"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="14" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
14
</td>
<td class="diff-line-num new_line" data-linenumber="14" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
14
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC14" class="line" lang="plaintext">-- RHS size: {terms: 4, types: 4, coercions: 0, joins: 0/0}</span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
15
</td>
<td class="diff-line-num new_line old" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC15" class="line" lang="plaintext">f [InlPrag=NOUSERINLINE[<span class="idiff left right">0</span>]] :: forall a. Int -> a</span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
15
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC15" class="line" lang="plaintext">f [InlPrag=NOUSERINLINE[<span class="idiff left right">-1</span>]] :: forall a. Int -> a</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
16
</td>
<td class="diff-line-num new_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
16
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC16" class="line" lang="plaintext">[GblId,</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
17
</td>
<td class="diff-line-num new_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
17
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC17" class="line" lang="plaintext"> Arity=1,</span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="18" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
18
</td>
<td class="diff-line-num new_line" data-linenumber="18" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
18
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC18" class="line" lang="plaintext"> Str=<B,A>b,</span>
</pre>
</td>
</tr>

</table>
<br>
</li>
<li id="ae44213f400f8badeaf992dd66c7c6bfd26ffd60">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#ae44213f400f8badeaf992dd66c7c6bfd26ffd60"><strong>testsuite/tests/simplCore/should_compile/T3772.stdout</strong></a>
<hr>
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<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="62" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="62" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -62,7 +62,7 @@ T3772.$wfoo</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="62" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
62
</td>
<td class="diff-line-num new_line" data-linenumber="62" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
62
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC62" class="line" lang="plaintext">      }</span>
</pre>
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63
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63
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<pre style="margin: 0;"> <span id="LC63" class="line" lang="plaintext"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="64" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
64
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<td class="diff-line-num new_line" data-linenumber="64" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
64
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="plaintext">-- RHS size: {terms: 6, types: 3, coercions: 0, joins: 0/0}</span>
</pre>
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65
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<td class="diff-line-num new_line old" data-linenumber="65" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC65" class="line" lang="plaintext">foo [InlPrag=NOUSERINLINE[<span class="idiff left right">0</span>]] :: Int -> ()</span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="65" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
65
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<pre style="margin: 0;">+<span id="LC65" class="line" lang="plaintext">foo [InlPrag=NOUSERINLINE[<span class="idiff left right">-1</span>]] :: Int -> ()</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
66
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<td class="diff-line-num new_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
66
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<pre style="margin: 0;"> <span id="LC66" class="line" lang="plaintext">[GblId,</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="67" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
67
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<td class="diff-line-num new_line" data-linenumber="67" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
67
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<pre style="margin: 0;"> <span id="LC67" class="line" lang="plaintext"> Arity=1,</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="68" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
68
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<td class="diff-line-num new_line" data-linenumber="68" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
68
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC68" class="line" lang="plaintext"> Str=<S,1*U(U)>,</span>
</pre>
</td>
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</table>
<br>
</li>
<li id="0e264f20bcb9f21ef8f19196ea35fb751107dd1f">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#0e264f20bcb9f21ef8f19196ea35fb751107dd1f"><strong>testsuite/tests/simplCore/should_compile/T7360.stderr</strong></a>
<hr>
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<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -4,7 +4,7 @@ Result size of Tidy Core</td>
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<td class="diff-line-num old_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
4
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<td class="diff-line-num new_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
4
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext">  = {terms: 106, types: 47, coercions: 0, joins: 0/0}</span>
</pre>
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5
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<td class="diff-line-num new_line" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
5
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC5" class="line" lang="plaintext"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
6
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<td class="diff-line-num new_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
6
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="plaintext">-- RHS size: {terms: 6, types: 3, coercions: 0, joins: 0/0}</span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
7
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<td class="diff-line-num new_line old" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC7" class="line" lang="plaintext">T7360.$WFoo3 [InlPrag=INLINE[<span class="idiff left right">0</span>] CONLIKE] :: Int -> Foo</span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="plaintext">T7360.$WFoo3 [InlPrag=INLINE[<span class="idiff left right">-1</span>] CONLIKE] :: Int -> Foo</span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
8
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<td class="diff-line-num new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
8
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="plaintext">[GblId[DataConWrapper],</span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
9
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<td class="diff-line-num new_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
9
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC9" class="line" lang="plaintext"> Arity=1,</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="10" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
10
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<td class="diff-line-num new_line" data-linenumber="10" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
10
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC10" class="line" lang="plaintext"> Caf=NoCafRefs,</span>
</pre>
</td>
</tr>

</table>
<br>
</li>
<li id="e9ed289bdfe6bcb0204e76be84b2f377004a5d3d">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#e9ed289bdfe6bcb0204e76be84b2f377004a5d3d"><strong>testsuite/tests/simplCore/should_compile/T7865.stdout</strong></a>
<hr>
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<td class="diff-line-num old_line" data-linenumber="1" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1
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<td class="diff-line-num new_line" data-linenumber="1" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1
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<pre style="margin: 0;"> <span id="LC1" class="line" lang="plaintext">T7865.$wexpensive [InlPrag=NOINLINE]</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2
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<td class="diff-line-num new_line" data-linenumber="2" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC2" class="line" lang="plaintext">T7865.$wexpensive</span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3
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<pre style="margin: 0;">-<span id="LC3" class="line" lang="plaintext">expensive [InlPrag=NOUSERINLINE[<span class="idiff left right">0</span>]] :: Int -> Int</span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="plaintext">expensive [InlPrag=NOUSERINLINE[<span class="idiff left right">-1</span>]] :: Int -> Int</span>
</pre>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext">                 case T7865.$wexpensive ww1 of ww2 [Occ=Once] { __DEFAULT -></span>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="plaintext">expensive</span>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="plaintext">      case T7865.$wexpensive ww1 of ww2 { __DEFAULT -> GHC.Types.I# ww2 }</span>
</pre>
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</li>
<li id="921be6cd3337b29db2fe1b25c81ab541f76fc2f2">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#921be6cd3337b29db2fe1b25c81ab541f76fc2f2"><strong>testsuite/tests/stranal/should_compile/Makefile</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -10,3 +10,9 @@ T13031:</td>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="make"><span class="c" style="color: #998; font-style: italic;"># take only one Int# argument</span></span>
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<pre style="margin: 0;"> <span id="LC11" class="line" lang="make"><span class="nl">T16029</span><span class="o" style="font-weight: 600;">:</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="make">  <span class="s1" style="color: #d14;">'</span><span class="nv" style="color: #008080;">$(TEST_HC)</span><span class="s1" style="color: #d14;">'</span> <span class="nv" style="color: #008080;">$(TEST_HC_OPTS)</span> <span class="nt" style="color: #000080;">-c</span> <span class="nt" style="color: #000080;">-O</span> <span class="nt" style="color: #000080;">-fforce-recomp</span> T16029.hs <span class="nt" style="color: #000080;">-dsuppress-uniques</span> <span class="nt" style="color: #000080;">-ddump-simpl</span> | <span class="nb" style="color: #0086b3;">grep</span> <span class="s1" style="color: #d14;">'::.*Int'</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="make"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="make"><span class="nl">T18078</span><span class="o" style="font-weight: 600;">:</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="make">  <span class="s1" style="color: #d14;">'</span><span class="nv" style="color: #008080;">$(TEST_HC)</span><span class="s1" style="color: #d14;">'</span> <span class="nv" style="color: #008080;">$(TEST_HC_OPTS)</span> <span class="nt" style="color: #000080;">-c</span> <span class="nt" style="color: #000080;">-O</span> <span class="nt" style="color: #000080;">-fforce-recomp</span> T18078.hs <span class="nt" style="color: #000080;">-dsuppress-uniques</span> <span class="nt" style="color: #000080;">-ddump-simpl</span> | <span class="nb" style="color: #0086b3;">grep</span> <span class="s1" style="color: #d14;">'wf'</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="make"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="make"><span class="nl">T17673</span><span class="o" style="font-weight: 600;">:</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="make">  <span class="s1" style="color: #d14;">'</span><span class="nv" style="color: #008080;">$(TEST_HC)</span><span class="s1" style="color: #d14;">'</span> <span class="nv" style="color: #008080;">$(TEST_HC_OPTS)</span> <span class="nt" style="color: #000080;">-c</span> <span class="nt" style="color: #000080;">-O</span> <span class="nt" style="color: #000080;">-fforce-recomp</span> T17673.hs <span class="nt" style="color: #000080;">-dsuppress-uniques</span> <span class="nt" style="color: #000080;">-ddump-simpl</span> | <span class="nb" style="color: #0086b3;">grep</span> <span class="s1" style="color: #d14;">'wf'</span></span></pre>
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</li>
<li id="f7c0ae60782aced208215a69e1b733b856904c90">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#f7c0ae60782aced208215a69e1b733b856904c90"><strong>testsuite/tests/stranal/should_compile/T16029.stdout</strong></a>
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<pre style="margin: 0;">-<span id="LC1" class="line" lang="plaintext">T16029.$WMkT [InlPrag=INLINE[<span class="idiff left right">0</span>] CONLIKE] :: Int -> Int -> T</span>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext">T16029.$WMkT [InlPrag=INLINE[<span class="idiff left right">-1</span>] CONLIKE] :: Int -> Int -> T</span>
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<pre style="margin: 0;"> <span id="LC2" class="line" lang="plaintext">         Tmpl= \ (dt [Occ=Once!] :: Int) (dt [Occ=Once!] :: Int) -></span>
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="plaintext">  = \ (dt [Occ=Once!] :: Int) (dt [Occ=Once!] :: Int) -></span>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext">  :: GHC.Prim.Int# -> GHC.Prim.Int#</span>
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<li id="d933edde2f1a03ddd37c213e179630e7b14d8a97">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#d933edde2f1a03ddd37c213e179630e7b14d8a97"><strong>testsuite/tests/stranal/should_compile/T17673.hs</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">T17673</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="n" style="color: #333;">facIO</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
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4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="n" style="color: #333;">facIO</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;"><</span> <span class="mi" style="color: #099;">2</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="mi" style="color: #099;">1</span></span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="n" style="color: #333;">n'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">facIO</span> <span class="p">(</span><span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span><span class="p">);</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">n'</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# NOINLINE facIO #-}</span></span></pre>
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</li>
<li id="d868cdc6360e32f65f163834b33e8217c225d244">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#d868cdc6360e32f65f163834b33e8217c225d244"><strong>testsuite/tests/stranal/should_compile/T17673.stdout</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext">T17673.$wfacIO [InlPrag=NOINLINE, Occ=LoopBreaker]</span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">T17673.$wfacIO</span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="plaintext">          case T17673.$wfacIO (GHC.Prim.-# ww 1#) w of { (# ipv, ipv1 #) -></span>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="plaintext">                 T17673.$wfacIO ww1 w1</span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="plaintext">      case w of { GHC.Types.I# ww1 -> T17673.$wfacIO ww1 w1 }</span></pre>
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<li id="e50e074bae4c479c24d7c2021965d002241f05ef">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#e50e074bae4c479c24d7c2021965d002241f05ef"><strong>testsuite/tests/stranal/should_compile/T18078.hs</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">T18078</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">N</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">N</span> <span class="p">{</span> <span class="n" style="color: #333;">unN</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This an example of a worker/wrapper thing</span></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Cast worker/wrappers] in Simplify</span></span>
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7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We should get good code, with a $wf calling itself</span></span>
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8
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- but in 8.10 we do not</span></span>
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9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">N</span></span>
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10
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# NOINLINE f #-}</span></span>
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11
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">N</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;">==</span><span class="mi" style="color: #099;">0</span> <span class="kr" style="font-weight: 600;">then</span> <span class="mi" style="color: #099;">0</span> <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">unN</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span><span class="p">))</span></span>
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12
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"></span>
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13
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unN</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">)</span></span></pre>
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<li id="e81542863948de1b4d3b2f96b7ba31e5be71c7c2">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#e81542863948de1b4d3b2f96b7ba31e5be71c7c2"><strong>testsuite/tests/stranal/should_compile/T18078.stdout</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext">T18078.$wf [InlPrag=NOINLINE, Occ=LoopBreaker]</span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">T18078.$wf</span>
</pre>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="plaintext">        __DEFAULT -> T18078.$wf (GHC.Prim.-# wild 1#);</span>
</pre>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="plaintext">                 case T18078.$wf ww1 of ww2 [Occ=Once] { __DEFAULT -></span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="plaintext">      case T18078.$wf ww1 of ww2 { __DEFAULT -> GHC.Types.I# ww2 }</span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="plaintext">      case T18078.$wf (GHC.Prim.+# x1 1#) of ww { __DEFAULT -></span></pre>
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<li id="ab93c58ebef7f2d807198123cbe82575c40b90f1">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10b0b9b1f2f06986d30c4fd511f4e4bbb7e62168#ab93c58ebef7f2d807198123cbe82575c40b90f1"><strong>testsuite/tests/stranal/should_compile/all.T</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -52,3 +52,6 @@ test('T17852',  [ grep_errmsg(r'\\$wf ::') ], compile, ['-ddump-worker-wrapper -</td>
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<pre style="margin: 0;"> <span id="LC52" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T16029</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">makefile_test</span><span class="p">,</span> <span class="o" style="font-weight: 600;">[]</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T10069</span><span class="p">',</span>  <span class="p">[</span> <span class="nv" style="color: #008080;">grep_errmsg</span><span class="p">(</span><span class="nv" style="color: #008080;">r</span><span class="p">'</span><span class="s1" style="color: #d14;">(wc1).*Int#$</span><span class="p">')</span> <span class="p">],</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span> <span class="p">['</span><span class="s1" style="color: #d14;">-dppr-cols=200 -ddump-simpl</span><span class="p">'])</span></span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T13380b</span><span class="p">',</span>  <span class="p">[</span> <span class="nv" style="color: #008080;">grep_errmsg</span><span class="p">('</span><span class="s1" style="color: #d14;">bigDeadAction</span><span class="p">')</span> <span class="p">],</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span> <span class="p">['</span><span class="s1" style="color: #d14;">-dppr-cols=200 -ddump-simpl</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="55" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="55" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
55
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<pre style="margin: 0;">+<span id="LC55" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T18078</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">makefile_test</span><span class="p">,</span> <span class="o" style="font-weight: 600;">[]</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="55" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="56" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
56
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<pre style="margin: 0;">+<span id="LC56" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17673</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">makefile_test</span><span class="p">,</span> <span class="o" style="font-weight: 600;">[]</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="55" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="57" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
57
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<pre style="margin: 0;">+<span id="LC57" class="line" lang="perl"></span></pre>
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