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GitLab

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<h3>

 Marge Bot pushed to branch master

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/bbeb2389596df61ace5778ec580895ea32cc3c6f">bbeb2389</a></strong>

<div>

<span>by Ben Gamari</span>

<i>at 2020-05-29T01:39:19-04:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">CoreToStg: Add Outputable ArgInfo instance

</pre>

</li>

<li>

<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0e3361ca414012e3ec40a260c2323986ce770db6">0e3361ca</a></strong>

<div>

<span>by Simon Peyton Jones</span>

<i>at 2020-05-29T01:39:19-04:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Make Lint check return type of a join point

Consider

   join x = rhs in body

It's important that the type of 'rhs' is the same as the type of

'body', but Lint wasn't checking that invariant.

Now it does!  This was exposed by investigation into !3113.

</pre>

</li>

<li>

<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c49f7df02ff02c8f09e6a6e00a271b867ca6b092">c49f7df0</a></strong>

<div>

<span>by Simon Peyton Jones</span>

<i>at 2020-05-29T01:39:19-04:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Do not float join points in exprIsConApp_maybe

We hvae been making exprIsConApp_maybe cleverer in recent times:

    commit b78cc64e923716ac0512c299f42d4d0012306c05

    Date:   Thu Nov 15 17:14:31 2018 +0100

    Make constructor wrappers inline only during the final phase

    commit 7833cf407d1f608bebb1d38bb99d3035d8d735e6

    Date:   Thu Jan 24 17:58:50 2019 +0100

    Look through newtype wrappers (Trac #16254)

    commit c25b135ff5b9c69a90df0ccf51b04952c2dc6ee1

    Date:   Thu Feb 21 12:03:22 2019 +0000

    Fix exprIsConApp_maybe

But alas there was still a bug, now immortalised in

  Note [Don't float join points]

in SimpleOpt.

It's quite hard to trigger because it requires a dead

join point, but it came up when compiling Cabal

Cabal.Distribution.Fields.Lexer.hs, when working on

!3113.

Happily, the fix is extremly easy.  Finding the

bug was not so easy.

</pre>

</li>

<li>

<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/46720997a0b1fa2971a884adf43de096ce130a7e">46720997</a></strong>

<div>

<span>by Ben Gamari</span>

<i>at 2020-05-29T01:39:19-04:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Allow simplification through runRW#

Because runRW# inlines so late, we were previously able to do very

little simplification across it. For instance, given even a simple

program like

    case runRW# (\s -> let n = I# 42# in n) of

      I# n# -> f n#

we previously had no way to avoid the allocation of the I#.

This patch allows the simplifier to push strict contexts into the

continuation of a runRW# application, as explained in

in Note [Simplification of runRW#] in GHC.CoreToStg.Prep.

Fixes #15127.

Metric Increase:

    T9961

Metric Decrease:

    ManyConstructors

Co-Authored-By: Simon Peyton-Jone <simonpj@microsoft.com>

</pre>

</li>

</ul>

<h4>7 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#36a42448a83a9d1f6df8475f03ead2eed199dd8e">

compiler/GHC/Core/Lint.hs

</a>

</li>

<li class="file-stats">

<a href="#bac3d5159a5688007de3aa3f5c4e50569677b347">

compiler/GHC/Core/Opt/OccurAnal.hs

</a>

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<li class="file-stats">

<a href="#cc763cdd1967f5d921161a32f64136cfcf0332c5">

compiler/GHC/Core/Opt/SetLevels.hs

</a>

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<li class="file-stats">

<a href="#f168a93cde5e2aec2441d6331dfe500172df4af3">

compiler/GHC/Core/Opt/Simplify.hs

</a>

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<li class="file-stats">

<a href="#11ffe98a94d798427bc600e4fcfe899407536346">

compiler/GHC/Core/SimpleOpt.hs

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<li class="file-stats">

<a href="#a5d27de4e3111a69f69902c65ecf7b3379f7c49a">

compiler/GHC/CoreToStg/Prep.hs

</a>

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<li class="file-stats">

<a href="#94864be2e2eb1959a038d5d903a6c784e5cfb32a">

compiler/GHC/HsToCore/Utils.hs

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</li>

</ul>

<h4>Changes:</h4>

<li id="36a42448a83a9d1f6df8475f03ead2eed199dd8e">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/f10d11fa49fa9a7a506c4fdbdf86521c2a8d3495...46720997a0b1fa2971a884adf43de096ce130a7e#36a42448a83a9d1f6df8475f03ead2eed199dd8e"><strong>compiler/GHC/Core/Lint.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="462" style="width: 35px; color: rgba(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="462" style="width: 35px; color: rgba(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">@@ -462,7 +462,7 @@ lintCoreBindings dflags pass local_in_scope binds</td>

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462

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<pre style="margin: 0;"> <span id="LC462" class="line" lang="haskell">    <span class="n" style="color: #333;">addLoc</span> <span class="kt" style="color: #458; font-weight: 600;">TopLevelBindings</span>           <span class="o" style="font-weight: 600;">$</span></span>

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<td class="diff-line-num new_line" data-linenumber="463" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

463

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<pre style="margin: 0;"> <span id="LC463" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">checkL</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">dups</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">dupVars</span> <span class="n" style="color: #333;">dups</span><span class="p">)</span></span>

</pre>

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464

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<td class="diff-line-num new_line" data-linenumber="464" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

464

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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;">checkL</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">ext_dups</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">dupExtVars</span> <span class="n" style="color: #333;">ext_dups</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="465" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

465

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<td class="diff-line-num new_line old" data-linenumber="465" style="width: 35px; color: rgba(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="LC465" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">lintRecBindings</span> <span class="kt" style="color: #458; font-weight: 600;">TopLevel</span> <span class="n" style="color: #333;">all_pairs</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="465" style="width: 35px; color: rgba(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="LC465" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">lintRecBindings</span> <span class="kt" style="color: #458; font-weight: 600;">TopLevel</span> <span class="n" style="color: #333;">all_pairs</span> <span class="o" style="font-weight: 600;">$</span><span class="idiff left"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="kr" style="font-weight: 600;"><span class="idiff">_</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">-></span></span></span>

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<td class="diff-line-num old_line" data-linenumber="466" style="width: 35px; color: rgba(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="LC466" class="line" lang="haskell">         <span class="n" style="color: #333;">return</span> <span class="nb" style="color: #0086b3;">()</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="467" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

467

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<td class="diff-line-num new_line" data-linenumber="467" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

467

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<pre style="margin: 0;"> <span id="LC467" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<td class="diff-line-num old_line" data-linenumber="468" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

468

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<td class="diff-line-num new_line" data-linenumber="468" style="width: 35px; color: rgba(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="LC468" class="line" lang="haskell">    <span class="n" style="color: #333;">all_pairs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">flattenBinds</span> <span class="n" style="color: #333;">binds</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="573" style="width: 35px; color: rgba(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="573" style="width: 35px; color: rgba(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">@@ -573,11 +573,11 @@ Check a core binding, returning the list of variables bound.</td>

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573

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573

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<pre style="margin: 0;"> <span id="LC573" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>

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<td class="diff-line-num new_line" data-linenumber="574" style="width: 35px; color: rgba(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="LC574" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC575" class="line" lang="haskell"><span class="n" style="color: #333;">lintRecBindings</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="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)]</span></span>

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576

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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;"><span class="idiff left">LintM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="n" style="color: #333;">a</span></span>

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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="p"><span class="idiff left">([</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LintedId</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="kt" style="color: #458; font-weight: 600;"><span class="idiff">LintM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">a</span></span><span class="p"><span class="idiff right">)</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="n" style="color: #333;">a</span></span>

</pre>

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577

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577

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<pre style="margin: 0;"> <span id="LC577" class="line" lang="haskell"><span class="n" style="color: #333;">lintRecBindings</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">pairs</span> <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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578

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578

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<pre style="margin: 0;"> <span id="LC578" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lintIdBndrs</span> <span class="n" style="color: #333;">top_lvl</span> <span class="n" style="color: #333;">bndrs</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">bndrs'</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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579

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<td class="diff-line-num new_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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<pre style="margin: 0;"> <span id="LC579" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">zipWithM_</span> <span class="n" style="color: #333;">lint_pair</span> <span class="n" style="color: #333;">bndrs'</span> <span class="n" style="color: #333;">rhss</span></span>

</pre>

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580

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<pre style="margin: 0;">-<span id="LC580" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">thing_inside</span> <span class="p">}</span></span>

</pre>

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580

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<pre style="margin: 0;">+<span id="LC580" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">thing_inside</span> <span class="n" style="color: #333;"><span class="idiff left">bndrs'</span></span><span class="idiff right"> </span><span class="p">}</span></span>

</pre>

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581

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<td class="diff-line-num new_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

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<pre style="margin: 0;"> <span id="LC581" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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582

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582

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<pre style="margin: 0;"> <span id="LC582" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">bndrs</span><span class="p">,</span> <span class="n" style="color: #333;">rhss</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unzip</span> <span class="n" style="color: #333;">pairs</span></span>

</pre>

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583

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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">

583

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<pre style="margin: 0;"> <span id="LC583" class="line" lang="haskell">    <span class="n" style="color: #333;">lint_pair</span> <span class="n" style="color: #333;">bndr'</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_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">...</td>

<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -585,6 +585,12 @@ lintRecBindings top_lvl pairs thing_inside</td>

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585

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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;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintRhs</span> <span class="n" style="color: #333;">bndr'</span> <span class="n" style="color: #333;">rhs</span>         <span class="c1" style="color: #998; font-style: italic;">-- Check the rhs</span></span>

</pre>

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586

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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;">lintLetBind</span> <span class="n" style="color: #333;">top_lvl</span> <span class="kt" style="color: #458; font-weight: 600;">Recursive</span> <span class="n" style="color: #333;">bndr'</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="p">}</span></span>

</pre>

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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 new old_line" data-linenumber="588" style="width: 35px; color: rgba(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="588" style="width: 35px; color: rgba(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="LC588" class="line" lang="haskell"><span class="n" style="color: #333;">lintLetBody</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">LintedId</span><span class="p">]</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;">LintM</span> <span class="kt" style="color: #458; font-weight: 600;">LintedType</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="589" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

589

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<pre style="margin: 0;">+<span id="LC589" class="line" lang="haskell"><span class="n" style="color: #333;">lintLetBody</span> <span class="n" style="color: #333;">bndrs</span> <span class="n" style="color: #333;">body</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC590" 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;">body_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addLoc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BodyOfLetRec</span> <span class="n" style="color: #333;">bndrs</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">body</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC591" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">mapM_</span> <span class="p">(</span><span class="n" style="color: #333;">lintJoinBndrType</span> <span class="n" style="color: #333;">body_ty</span><span class="p">)</span> <span class="n" style="color: #333;">bndrs</span></span>

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<pre style="margin: 0;">+<span id="LC592" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">body_ty</span> <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC593" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC594" class="line" lang="haskell"><span class="n" style="color: #333;">lintLetBind</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;">RecFlag</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintedId</span></span>

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<pre style="margin: 0;"> <span id="LC595" class="line" lang="haskell">              <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;">LintedType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="nb" style="color: #0086b3;">()</span></span>

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<pre style="margin: 0;"> <span id="LC596" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Binder's type, and the RHS, have already been linted</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">@@ -679,22 +685,9 @@ lintRhs :: Id -> CoreExpr -> LintM LintedType</td>

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<pre style="margin: 0;"> <span id="LC685" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     its OccInfo and join-pointer-hood</span></span>

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<pre style="margin: 0;"> <span id="LC686" class="line" lang="haskell"><span class="n" style="color: #333;">lintRhs</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;"> <span id="LC687" 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="n" style="color: #333;">arity</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">isJoinId_maybe</span> <span class="n" style="color: #333;">bndr</span></span>

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<pre style="margin: 0;">-<span id="LC682" class="line" lang="haskell">    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lint<span class="idiff left">_join_lams</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">arity</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">True</span></span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;">+<span id="LC688" class="line" lang="haskell">    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lint<span class="idiff left">JoinLams</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arity</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">Just</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bndr</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;"> <span id="LC689" class="line" lang="haskell">    <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">AlwaysTailCalled</span> <span class="n" style="color: #333;">arity</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tailCallInfo</span> <span class="p">(</span><span class="n" style="color: #333;">idOccInfo</span> <span class="n" style="color: #333;">bndr</span><span class="p">)</span></span>

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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;">lint_join_lams</span> <span class="n" style="color: #333;">arity</span> <span class="n" style="color: #333;">arity</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;">-<span id="LC685" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC686" class="line" lang="haskell">    <span class="n" style="color: #333;">lint_join_lams</span> <span class="mi" style="color: #099;">0</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;">-<span id="LC687" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;">-<span id="LC688" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC689" class="line" lang="haskell">    <span class="n" style="color: #333;">lint_join_lams</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">tot</span> <span class="n" style="color: #333;">enforce</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">expr</span><span class="p">)</span></span>

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<pre style="margin: 0;">-<span id="LC690" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lintLambda</span> <span class="n" style="color: #333;">var</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">lint_join_lams</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;">tot</span> <span class="n" style="color: #333;">enforce</span> <span class="n" style="color: #333;">expr</span></span>

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<pre style="margin: 0;">-<span id="LC691" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC692" class="line" lang="haskell">    <span class="n" style="color: #333;">lint_join_lams</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">tot</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="n" style="color: #333;">_other</span></span>

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<pre style="margin: 0;">-<span id="LC693" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">failWithL</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkBadJoinArityMsg</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">tot</span> <span class="p">(</span><span class="n" style="color: #333;">tot</span><span class="o" style="font-weight: 600;">-</span><span class="n" style="color: #333;">n</span><span class="p">)</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;">-<span id="LC694" class="line" lang="haskell">    <span class="n" style="color: #333;">lint_join_lams</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;">-<span id="LC695" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">markAllJoinsBad</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;">-<span id="LC696" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- Future join point, not yet eta-expanded</span></span>

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<pre style="margin: 0;">-<span id="LC697" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- Body is not a tail position</span></span>

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<pre style="margin: 0;">+<span id="LC690" class="line" lang="haskell">    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lintJoinLams</span> <span class="n" style="color: #333;">arity</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="n" style="color: #333;">rhs</span></span>

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<pre style="margin: 0;"> <span id="LC691" class="line" lang="haskell"></span>

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<td class="diff-line-num old_line" data-linenumber="699" style="width: 35px; color: rgba(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="LC692" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Allow applications of the data constructor @StaticPtr@ at the top</span></span>

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<pre style="margin: 0;"> <span id="LC693" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- but produce errors otherwise.</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="716" style="width: 35px; color: rgba(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="709" style="width: 35px; color: rgba(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">@@ -716,6 +709,22 @@ lintRhs _bndr rhs = fmap lf_check_static_ptrs getLintFlags >>= go</td>

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<pre style="margin: 0;"> <span id="LC709" class="line" lang="haskell">        <span class="n" style="color: #333;">binders0</span></span>

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<pre style="margin: 0;"> <span id="LC710" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">markAllJoinsBad</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">rhs</span></span>

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718

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711

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<pre style="margin: 0;"> <span id="LC711" class="line" lang="haskell"></span>

</pre>

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712

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<pre style="margin: 0;">+<span id="LC712" class="line" lang="haskell"><span class="cd">-- | Lint the RHS of a join point with expected join arity of @n@ (see Note</span></span>

</pre>

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</td>

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713

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<pre style="margin: 0;">+<span id="LC713" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- [Join points] in GHC.Core).</span></span>

</pre>

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714

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<pre style="margin: 0;">+<span id="LC714" class="line" lang="haskell"><span class="n" style="color: #333;">lintJoinLams</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">JoinArity</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">Id</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;">LintM</span> <span class="kt" style="color: #458; font-weight: 600;">LintedType</span></span>

</pre>

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715

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<pre style="margin: 0;">+<span id="LC715" class="line" lang="haskell"><span class="n" style="color: #333;">lintJoinLams</span> <span class="n" style="color: #333;">join_arity</span> <span class="n" style="color: #333;">enforce</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="716" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

716

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<pre style="margin: 0;">+<span id="LC716" 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;">join_arity</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="717" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

717

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<pre style="margin: 0;">+<span id="LC717" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="719" style="width: 35px; color: rgba(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="718" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

718

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<pre style="margin: 0;">+<span id="LC718" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">rhs</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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719

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<pre style="margin: 0;">+<span id="LC719" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">expr</span><span class="p">)</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lintLambda</span> <span class="n" style="color: #333;">var</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;">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;">expr</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="720" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

720

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<pre style="margin: 0;">+<span id="LC720" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- N.B. join points can be cast. e.g. we consider ((\x -> ...) `cast` ...)</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="721" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

721

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<pre style="margin: 0;">+<span id="LC721" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- to be a join point at join arity 1.</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="722" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

722

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<pre style="margin: 0;">+<span id="LC722" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">_other</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bndr</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">enforce</span> <span class="c1" style="color: #998; font-style: italic;">-- Join point with too few RHS lambdas</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="723" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

723

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<pre style="margin: 0;">+<span id="LC723" class="line" lang="haskell">                <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">failWithL</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkBadJoinArityMsg</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">join_arity</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

724

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<pre style="margin: 0;">+<span id="LC724" 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;">-- Future join point, not yet eta-expanded</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="719" style="width: 35px; color: rgba(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="725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

725

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<pre style="margin: 0;">+<span id="LC725" class="line" lang="haskell">                <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">markAllJoinsBad</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">lintCoreExpr</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="719" style="width: 35px; color: rgba(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="726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

726

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<pre style="margin: 0;">+<span id="LC726" class="line" lang="haskell">                  <span class="c1" style="color: #998; font-style: italic;">-- Body of lambda is not a tail position</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

727

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<pre style="margin: 0;">+<span id="LC727" class="line" lang="haskell"></span>

</pre>

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719

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728

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<pre style="margin: 0;"> <span id="LC728" class="line" lang="haskell"><span class="n" style="color: #333;">lintIdUnfolding</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</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;">Unfolding</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="nb" style="color: #0086b3;">()</span></span>

</pre>

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720

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<td class="diff-line-num new_line" data-linenumber="729" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

729

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<pre style="margin: 0;"> <span id="LC729" class="line" lang="haskell"><span class="n" style="color: #333;">lintIdUnfolding</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">bndr_ty</span> <span class="n" style="color: #333;">uf</span></span>

</pre>

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721

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<td class="diff-line-num new_line" data-linenumber="730" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

730

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<pre style="margin: 0;"> <span id="LC730" 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;">uf</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="756" style="width: 35px; color: rgba(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="765" style="width: 35px; color: rgba(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">@@ -756,6 +765,40 @@ we will check any unfolding after it has been unfolded; checking the</td>

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756

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765

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<pre style="margin: 0;"> <span id="LC765" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">unfolding beforehand is merely an optimization, and one that actively</span></span>

</pre>

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757

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766

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<pre style="margin: 0;"> <span id="LC766" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">hurts us here.</span></span>

</pre>

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758

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767

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<pre style="margin: 0;"> <span id="LC767" class="line" lang="haskell"></span>

</pre>

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</td>

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768

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<pre style="margin: 0;">+<span id="LC768" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Linting of runRW#]</span></span>

</pre>

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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="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="770" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

770

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<pre style="margin: 0;">+<span id="LC770" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">runRW# has some very peculiar behavior (see Note [runRW magic] in</span></span>

</pre>

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771

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<pre style="margin: 0;">+<span id="LC771" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">GHC.CoreToStg.Prep) which CoreLint must accommodate.</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="772" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

772

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<pre style="margin: 0;">+<span id="LC772" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="773" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

773

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<pre style="margin: 0;">+<span id="LC773" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">As described in Note [Casts and lambdas] in</span></span>

</pre>

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774

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<pre style="margin: 0;">+<span id="LC774" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">GHC.Core.Opt.Simplify.Utils, the simplifier pushes casts out of</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="775" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

775

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<pre style="margin: 0;">+<span id="LC775" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">lambdas. Concretely, the simplifier will transform</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="776" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

776

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<pre style="margin: 0;">+<span id="LC776" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="777" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

777

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<pre style="margin: 0;">+<span id="LC777" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    runRW# @r @ty (\s -> expr `cast` co)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="778" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

778

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<pre style="margin: 0;">+<span id="LC778" class="line" lang="haskell"></span>

</pre>

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779

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<pre style="margin: 0;">+<span id="LC779" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">into</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="780" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

780

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<pre style="margin: 0;">+<span id="LC780" class="line" lang="haskell"></span>

</pre>

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</td>

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781

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<pre style="margin: 0;">+<span id="LC781" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    runRW# @r @ty ((\s -> expr) `cast` co)</span></span>

</pre>

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782

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<pre style="margin: 0;">+<span id="LC782" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="783" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

783

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<pre style="margin: 0;">+<span id="LC783" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Consequently we need to handle the case that the continuation is a</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

784

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<pre style="margin: 0;">+<span id="LC784" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">cast of a lambda. See Note [Casts and lambdas] in</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="785" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

785

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<pre style="margin: 0;">+<span id="LC785" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">GHC.Core.Opt.Simplify.Utils.</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

786

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<pre style="margin: 0;">+<span id="LC786" class="line" lang="haskell"></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="787" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

787

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<pre style="margin: 0;">+<span id="LC787" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">In the event that the continuation is headed by a lambda (which</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="788" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

788

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<pre style="margin: 0;">+<span id="LC788" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">will bind the State# token) we can safely allow calls to join</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="789" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

789

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<pre style="margin: 0;">+<span id="LC789" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">points since CorePrep is going to apply the continuation to</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="790" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

790

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<pre style="margin: 0;">+<span id="LC790" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">RealWorld.</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="791" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

791

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<pre style="margin: 0;">+<span id="LC791" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="792" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

792

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<pre style="margin: 0;">+<span id="LC792" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">In the case that the continuation is not a lambda we lint the</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="793" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

793

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<pre style="margin: 0;">+<span id="LC793" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">continuation disallowing join points, to rule out things like,</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="794" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

794

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<pre style="margin: 0;">+<span id="LC794" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="795" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

795

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<pre style="margin: 0;">+<span id="LC795" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    join j = ...</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="796" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

796

</td>

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<pre style="margin: 0;">+<span id="LC796" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    in runRW# @r @ty (</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="797" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

797

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<pre style="margin: 0;">+<span id="LC797" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">         let x = jump j</span></span>

</pre>

</td>

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<td class="diff-line-num new new_line" data-linenumber="798" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

798

</td>

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<pre style="margin: 0;">+<span id="LC798" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">         in x</span></span>

</pre>

</td>

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</td>

<td class="diff-line-num new new_line" data-linenumber="799" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

799

</td>

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<pre style="margin: 0;">+<span id="LC799" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">       )</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="800" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

800

</td>

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<pre style="margin: 0;">+<span id="LC800" class="line" lang="haskell"></span>

</pre>

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801

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<pre style="margin: 0;">+<span id="LC801" class="line" lang="haskell"></span>

</pre>

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759

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802

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<pre style="margin: 0;"> <span id="LC802" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>

</pre>

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760

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803

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<pre style="margin: 0;"> <span id="LC803" 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="761" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

761

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804

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<pre style="margin: 0;"> <span id="LC804" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">\subsection[lintCoreExpr]{lintCoreExpr}</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_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">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="813" style="width: 35px; color: rgba(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">@@ -770,6 +813,18 @@ type LintedCoercion = Coercion</td>

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770

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813

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<pre style="margin: 0;"> <span id="LC813" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">LintedTyCoVar</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyCoVar</span></span>

</pre>

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<td class="diff-line-num old_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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814

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<pre style="margin: 0;"> <span id="LC814" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">LintedId</span>       <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span></span>

</pre>

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<td class="diff-line-num old_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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815

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<pre style="margin: 0;"> <span id="LC815" class="line" lang="haskell"></span>

</pre>

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816

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<pre style="margin: 0;">+<span id="LC816" class="line" lang="haskell"><span class="cd">-- | Lint an expression cast through the given coercion, returning the type</span></span>

</pre>

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817

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<pre style="margin: 0;">+<span id="LC817" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- resulting from the cast.</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="818" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

818

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<pre style="margin: 0;">+<span id="LC818" class="line" lang="haskell"><span class="n" style="color: #333;">lintCastExpr</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;">LintedType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="kt" style="color: #458; font-weight: 600;">LintedType</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="773" style="width: 35px; color: rgba(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="819" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

819

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<pre style="margin: 0;">+<span id="LC819" class="line" lang="haskell"><span class="n" style="color: #333;">lintCastExpr</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">expr_ty</span> <span class="n" style="color: #333;">co</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="773" style="width: 35px; color: rgba(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="820" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

820

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<pre style="margin: 0;">+<span id="LC820" 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;">co'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintCoercion</span> <span class="n" style="color: #333;">co</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="773" style="width: 35px; color: rgba(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="821" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

821

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<pre style="margin: 0;">+<span id="LC821" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Pair</span> <span class="n" style="color: #333;">from_ty</span> <span class="n" style="color: #333;">to_ty</span><span class="p">,</span> <span class="n" style="color: #333;">role</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionKindRole</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="822" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

822

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<pre style="margin: 0;">+<span id="LC822" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">checkValueType</span> <span class="n" style="color: #333;">to_ty</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="823" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

823

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<pre style="margin: 0;">+<span id="LC823" class="line" lang="haskell">         <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"target of cast"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">quotes</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">co'</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="824" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

824

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<pre style="margin: 0;">+<span id="LC824" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">lintRole</span> <span class="n" style="color: #333;">co'</span> <span class="kt" style="color: #458; font-weight: 600;">Representational</span> <span class="n" style="color: #333;">role</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="825" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

825

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<pre style="margin: 0;">+<span id="LC825" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">ensureEqTys</span> <span class="n" style="color: #333;">from_ty</span> <span class="n" style="color: #333;">expr_ty</span> <span class="p">(</span><span class="n" style="color: #333;">mkCastErr</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">co'</span> <span class="n" style="color: #333;">from_ty</span> <span class="n" style="color: #333;">expr_ty</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="826" style="width: 35px; color: rgba(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="LC826" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">to_ty</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="827" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

827

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<pre style="margin: 0;">+<span id="LC827" class="line" lang="haskell"></span>

</pre>

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773

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828

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<pre style="margin: 0;"> <span id="LC828" class="line" lang="haskell"><span class="n" style="color: #333;">lintCoreExpr</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;">LintM</span> <span class="kt" style="color: #458; font-weight: 600;">LintedType</span></span>

</pre>

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774

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829

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<pre style="margin: 0;"> <span id="LC829" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The returned type has the substitution from the monad</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="775" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

775

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<td class="diff-line-num new_line" data-linenumber="830" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

830

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<pre style="margin: 0;"> <span id="LC830" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- already applied to it:</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="787" style="width: 35px; color: rgba(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="842" style="width: 35px; color: rgba(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">@@ -787,14 +842,8 @@ lintCoreExpr (Lit lit)</td>

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<pre style="margin: 0;"> <span id="LC842" 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;">literalType</span> <span class="n" style="color: #333;">lit</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC843" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC844" class="line" lang="haskell"><span class="n" style="color: #333;">lintCoreExpr</span> <span class="p">(</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="p">)</span></span>

</pre>

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790

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<pre style="margin: 0;">-<span id="LC790" 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_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">markAllJoinsBad</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">expr</span></span>

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<pre style="margin: 0;">-<span id="LC791" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">co'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintCoercion</span> <span class="n" style="color: #333;">co</span></span>

</pre>

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792

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<pre style="margin: 0;">-<span id="LC792" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Pair</span> <span class="n" style="color: #333;">from_ty</span> <span class="n" style="color: #333;">to_ty</span><span class="p">,</span> <span class="n" style="color: #333;">role</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">coercionKindRole</span> <span class="n" style="color: #333;">co'</span></span>

</pre>

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793

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<pre style="margin: 0;">-<span id="LC793" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">checkValueType</span> <span class="n" style="color: #333;">to_ty</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="794" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

794

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<pre style="margin: 0;">-<span id="LC794" class="line" lang="haskell">         <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"target of cast"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">quotes</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">co'</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="795" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

795

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<pre style="margin: 0;">-<span id="LC795" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">lintRole</span> <span class="n" style="color: #333;">co'</span> <span class="kt" style="color: #458; font-weight: 600;">Representational</span> <span class="n" style="color: #333;">role</span></span>

</pre>

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796

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<pre style="margin: 0;">-<span id="LC796" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">ensureEqTys</span> <span class="n" style="color: #333;">from_ty</span> <span class="n" style="color: #333;">expr_ty</span> <span class="p">(</span><span class="n" style="color: #333;">mkCastErr</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">co'</span> <span class="n" style="color: #333;">from_ty</span> <span class="n" style="color: #333;">expr_ty</span><span class="p">)</span></span>

</pre>

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797

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<pre style="margin: 0;">-<span id="LC797" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">to_ty</span> <span class="p">}</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC845" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="n" style="color: #333;">expr_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">markAllJoinsBad</span>   <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">lintCoreExpr</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="798" style="width: 35px; color: rgba(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="846" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

846

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<pre style="margin: 0;">+<span id="LC846" class="line" lang="haskell">       <span class="n" style="color: #333;">lintCastExpr</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">expr_ty</span> <span class="n" style="color: #333;">co</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="798" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

798

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<td class="diff-line-num new_line" data-linenumber="847" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

847

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<pre style="margin: 0;"> <span id="LC847" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="799" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

799

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<td class="diff-line-num new_line" data-linenumber="848" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

848

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<pre style="margin: 0;"> <span id="LC848" class="line" lang="haskell"><span class="n" style="color: #333;">lintCoreExpr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Tick</span> <span class="n" style="color: #333;">tickish</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="800" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

800

</td>

<td class="diff-line-num new_line" data-linenumber="849" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

849

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<pre style="margin: 0;"> <span id="LC849" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">tickish</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="831" style="width: 35px; color: rgba(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="880" style="width: 35px; color: rgba(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">@@ -831,7 +880,7 @@ lintCoreExpr (Let (NonRec bndr rhs) body)</td>

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<td class="diff-line-num old_line" data-linenumber="831" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

831

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<td class="diff-line-num new_line" data-linenumber="880" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

880

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<pre style="margin: 0;"> <span id="LC880" class="line" lang="haskell">         <span class="c1" style="color: #998; font-style: italic;">-- Now lint the binder</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="832" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

832

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<td class="diff-line-num new_line" data-linenumber="881" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

881

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<pre style="margin: 0;"> <span id="LC881" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">lintBinder</span> <span class="kt" style="color: #458; font-weight: 600;">LetBind</span> <span class="n" style="color: #333;">bndr</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">bndr'</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

833

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<td class="diff-line-num new_line" data-linenumber="882" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

882

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<pre style="margin: 0;"> <span id="LC882" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">lintLetBind</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;">bndr'</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

834

</td>

<td class="diff-line-num new_line old" data-linenumber="883" style="width: 35px; color: rgba(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="LC834" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;"><span class="idiff left">addLoc</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">BodyOfLetRec</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="n" style="color: #333;"><span class="idiff">bndr</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">lintCoreExpr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">body</span></span><span class="p"><span class="idiff right">)</span></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="835" style="width: 35px; color: rgba(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="883" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

883

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<pre style="margin: 0;">+<span id="LC883" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;"><span class="idiff left">lintLetBody</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="n" style="color: #333;"><span class="idiff">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">body</span></span> <span class="p">}</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

835

</td>

<td class="diff-line-num new_line" data-linenumber="884" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

884

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<pre style="margin: 0;"> <span id="LC884" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

836

</td>

<td class="diff-line-num new_line" data-linenumber="885" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

885

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<pre style="margin: 0;"> <span id="LC885" 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="837" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

837

</td>

<td class="diff-line-num new_line" data-linenumber="886" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

886

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<pre style="margin: 0;"> <span id="LC886" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">failWithL</span> <span class="p">(</span><span class="n" style="color: #333;">mkLetErr</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span>       <span class="c1" style="color: #998; font-style: italic;">-- Not quite accurate</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="848" style="width: 35px; color: rgba(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="897" style="width: 35px; color: rgba(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">@@ -848,13 +897,37 @@ lintCoreExpr e@(Let (Rec pairs) body)</td>

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<td class="diff-line-num old_line" data-linenumber="848" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

848

</td>

<td class="diff-line-num new_line" data-linenumber="897" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

897

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<pre style="margin: 0;"> <span id="LC897" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">checkL</span> <span class="p">(</span><span class="n" style="color: #333;">all</span> <span class="n" style="color: #333;">isJoinId</span> <span class="n" style="color: #333;">bndrs</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">all</span> <span class="p">(</span><span class="n" style="color: #333;">not</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">isJoinId</span><span class="p">)</span> <span class="n" style="color: #333;">bndrs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="849" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

849

</td>

<td class="diff-line-num new_line" data-linenumber="898" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

898

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<pre style="margin: 0;"> <span id="LC898" class="line" lang="haskell">          <span class="n" style="color: #333;">mkInconsistentRecMsg</span> <span class="n" style="color: #333;">bndrs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="850" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

850

</td>

<td class="diff-line-num new_line" data-linenumber="899" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

899

</td>

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<pre style="margin: 0;"> <span id="LC899" class="line" lang="haskell"></span>

</pre>

</td>

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851

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<td class="diff-line-num new_line old" data-linenumber="900" style="width: 35px; color: rgba(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="LC851" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">lintRecBindings</span> <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="n" style="color: #333;">pairs</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="852" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

852

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<td class="diff-line-num new_line old" data-linenumber="900" style="width: 35px; color: rgba(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="LC852" class="line" lang="haskell">          <span class="n" style="color: #333;">addLoc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BodyOfLetRec</span> <span class="n" style="color: #333;">bndrs</span><span class="p">)</span>       <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="853" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

853

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<td class="diff-line-num new_line old" data-linenumber="900" style="width: 35px; color: rgba(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="LC853" class="line" lang="haskell">          <span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">body</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="854" style="width: 35px; color: rgba(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="900" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

900

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<pre style="margin: 0;">+<span id="LC900" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">lintRecBindings</span> <span class="kt" style="color: #458; font-weight: 600;">NotTopLevel</span> <span class="n" style="color: #333;">pairs</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">bndrs'</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="854" style="width: 35px; color: rgba(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="901" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

901

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<pre style="margin: 0;">+<span id="LC901" class="line" lang="haskell">          <span class="n" style="color: #333;">lintLetBody</span> <span class="n" style="color: #333;">bndrs'</span> <span class="n" style="color: #333;">body</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="854" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

854

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<td class="diff-line-num new_line" data-linenumber="902" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

902

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<pre style="margin: 0;"> <span id="LC902" 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="855" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

855

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<td class="diff-line-num new_line" data-linenumber="903" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

903

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<pre style="margin: 0;"> <span id="LC903" class="line" lang="haskell">    <span class="n" style="color: #333;">bndrs</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;">pairs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="856" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

856

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<td class="diff-line-num new_line" data-linenumber="904" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

904

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<pre style="margin: 0;"> <span id="LC904" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="857" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

857

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<td class="diff-line-num new_line" data-linenumber="905" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

905

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<pre style="margin: 0;"> <span id="LC905" class="line" lang="haskell"><span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">e</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">App</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" 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="858" style="width: 35px; color: rgba(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="906" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

906

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<pre style="margin: 0;">+<span id="LC906" 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;">fun</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">fun</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="907" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

907

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<pre style="margin: 0;">+<span id="LC907" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">fun</span> <span class="p">`</span><span class="n" style="color: #333;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="908" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

908

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<pre style="margin: 0;">+<span id="LC908" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- N.B. we may have an over-saturated application of the form:</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="909" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

909

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<pre style="margin: 0;">+<span id="LC909" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--   runRW (\s -> \x -> ...) y</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="910" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

910

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<pre style="margin: 0;">+<span id="LC910" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">arg_ty1</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">arg_ty2</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">arg3</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">rest</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">args</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="911" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

911

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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="LC911" 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;">fun_ty1</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintCoreArg</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">fun</span><span class="p">)</span> <span class="n" style="color: #333;">arg_ty1</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="912" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

912

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<pre style="margin: 0;">+<span id="LC912" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">fun_ty2</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintCoreArg</span> <span class="n" style="color: #333;">fun_ty1</span>      <span class="n" style="color: #333;">arg_ty2</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="913" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

913

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<pre style="margin: 0;">+<span id="LC913" class="line" lang="haskell">         <span class="c1" style="color: #998; font-style: italic;">-- See Note [Linting of runRW#]</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="914" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

914

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<pre style="margin: 0;">+<span id="LC914" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">lintRunRWCont</span> <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;">LintM</span> <span class="kt" style="color: #458; font-weight: 600;">LintedType</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="915" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

915

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<pre style="margin: 0;">+<span id="LC915" class="line" lang="haskell">             <span class="n" style="color: #333;">lintRunRWCont</span> <span class="p">(</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="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

916

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<pre style="margin: 0;">+<span id="LC916" class="line" lang="haskell">                <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintRunRWCont</span> <span class="n" style="color: #333;">expr</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="917" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

917

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<pre style="margin: 0;">+<span id="LC917" class="line" lang="haskell">                <span class="n" style="color: #333;">lintCastExpr</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">co</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

918

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<pre style="margin: 0;">+<span id="LC918" class="line" lang="haskell">             <span class="n" style="color: #333;">lintRunRWCont</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="kr" 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="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

919

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<pre style="margin: 0;">+<span id="LC919" class="line" lang="haskell">                <span class="n" style="color: #333;">lintJoinLams</span> <span class="mi" style="color: #099;">1</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">fun</span><span class="p">)</span> <span class="n" style="color: #333;">expr</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

920

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<pre style="margin: 0;">+<span id="LC920" class="line" lang="haskell">             <span class="n" style="color: #333;">lintRunRWCont</span> <span class="n" style="color: #333;">other</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">markAllJoinsBad</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">lintCoreExpr</span> <span class="n" style="color: #333;">other</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

921

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<pre style="margin: 0;">+<span id="LC921" class="line" lang="haskell">             <span class="c1" style="color: #998; font-style: italic;">-- TODO: Look through ticks?</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

922

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<pre style="margin: 0;">+<span id="LC922" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">arg3_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintRunRWCont</span> <span class="n" style="color: #333;">arg3</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="923" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

923

</td>

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<pre style="margin: 0;">+<span id="LC923" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">app_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintValApp</span> <span class="n" style="color: #333;">arg3</span> <span class="n" style="color: #333;">fun_ty2</span> <span class="n" style="color: #333;">arg3_ty</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="924" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

924

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<pre style="margin: 0;">+<span id="LC924" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">lintCoreArgs</span> <span class="n" style="color: #333;">app_ty</span> <span class="n" style="color: #333;">rest</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="858" style="width: 35px; color: rgba(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="925" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

925

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC925" 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="858" style="width: 35px; color: rgba(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="926" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

926

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC926" 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;">fun</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">fun</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="858" style="width: 35px; color: rgba(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="927" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

927

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC927" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">fun</span> <span class="p">`</span><span class="n" style="color: #333;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="858" style="width: 35px; color: rgba(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="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

928

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC928" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">failWithL</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Invalid runRW# application"</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="858" style="width: 35px; color: rgba(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="929" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

929

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC929" 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="858" style="width: 35px; color: rgba(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="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

930

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC930" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num old_line" data-linenumber="858" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

858

</td>

<td class="diff-line-num new_line" data-linenumber="931" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

931

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<pre style="margin: 0;"> <span id="LC931" 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;">fun_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lintCoreFun</span> <span class="n" style="color: #333;">fun</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">args</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="859" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

859

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<td class="diff-line-num new_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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<pre style="margin: 0;"> <span id="LC932" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">lintCoreArgs</span> <span class="n" style="color: #333;">fun_ty</span> <span class="n" style="color: #333;">args</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="860" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

860

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<td class="diff-line-num new_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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<pre style="margin: 0;"> <span id="LC933" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="951" style="width: 35px; color: rgba(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="1024" style="width: 35px; color: rgba(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">@@ -951,6 +1024,25 @@ checkDeadIdOcc id</td>

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<td class="diff-line-num old_line" data-linenumber="951" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

951

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<td class="diff-line-num new_line" data-linenumber="1024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1024

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<pre style="margin: 0;"> <span id="LC1024" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="nb" style="color: #0086b3;">()</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="952" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

952

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<td class="diff-line-num new_line" data-linenumber="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1025

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<pre style="margin: 0;"> <span id="LC1025" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="953" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

953

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<td class="diff-line-num new_line" data-linenumber="1026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1026

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<pre style="margin: 0;"> <span id="LC1026" 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 new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1027

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<pre style="margin: 0;">+<span id="LC1027" class="line" lang="haskell"><span class="n" style="color: #333;">lintJoinBndrType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LintedType</span> <span class="c1" style="color: #998; font-style: italic;">-- Type of the body</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1028

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<pre style="margin: 0;">+<span id="LC1028" class="line" lang="haskell">                 <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintedId</span>   <span class="c1" style="color: #998; font-style: italic;">-- Possibly a join Id</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1029

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<pre style="margin: 0;">+<span id="LC1029" class="line" lang="haskell">                <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="nb" style="color: #0086b3;">()</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1030

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<pre style="margin: 0;">+<span id="LC1030" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Checks that the return type of a join Id matches the body</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1031

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<pre style="margin: 0;">+<span id="LC1031" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- E.g. join j x = rhs in body</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1032

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<pre style="margin: 0;">+<span id="LC1032" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--      The type of 'rhs' must be the same as the type of 'body'</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1033

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<pre style="margin: 0;">+<span id="LC1033" class="line" lang="haskell"><span class="n" style="color: #333;">lintJoinBndrType</span> <span class="n" style="color: #333;">body_ty</span> <span class="n" style="color: #333;">bndr</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1034

</td>

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<pre style="margin: 0;">+<span id="LC1034" 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="n" style="color: #333;">arity</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">isJoinId_maybe</span> <span class="n" style="color: #333;">bndr</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1035

</td>

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<pre style="margin: 0;">+<span id="LC1035" class="line" lang="haskell">  <span class="p">,</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">bndr_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">bndr</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1036

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<pre style="margin: 0;">+<span id="LC1036" class="line" lang="haskell">  <span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">bndrs</span><span class="p">,</span> <span class="n" style="color: #333;">res</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">splitPiTys</span> <span class="n" style="color: #333;">bndr_ty</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1037

</td>

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<pre style="margin: 0;">+<span id="LC1037" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">checkL</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">bndrs</span> <span class="o" style="font-weight: 600;">>=</span> <span class="n" style="color: #333;">arity</span></span>

</pre>

</td>

</tr>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1038

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<pre style="margin: 0;">+<span id="LC1038" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">body_ty</span> <span class="p">`</span><span class="n" style="color: #333;">eqType</span><span class="p">`</span> <span class="n" style="color: #333;">mkPiTys</span> <span class="p">(</span><span class="n" style="color: #333;">drop</span> <span class="n" style="color: #333;">arity</span> <span class="n" style="color: #333;">bndrs</span><span class="p">)</span> <span class="n" style="color: #333;">res</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1039" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1039

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<pre style="margin: 0;">+<span id="LC1039" class="line" lang="haskell">    <span class="n" style="color: #333;">hang</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Join point returns different type than body"</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1040" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1040

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<pre style="margin: 0;">+<span id="LC1040" class="line" lang="haskell">       <span class="mi" style="color: #099;">2</span> <span class="p">(</span><span class="n" style="color: #333;">vcat</span> <span class="p">[</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Join bndr:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">bndr</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">dcolon</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;">idType</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 old_line" data-linenumber="954" style="width: 35px; color: rgba(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="1041" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1041

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<pre style="margin: 0;">+<span id="LC1041" class="line" lang="haskell">               <span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Join arity:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">arity</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1042" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1042

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<pre style="margin: 0;">+<span id="LC1042" class="line" lang="haskell">               <span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Body type:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">body_ty</span> <span class="p">])</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1043" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1043

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<pre style="margin: 0;">+<span id="LC1043" 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 new_line" data-linenumber="1044" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1044

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<pre style="margin: 0;">+<span id="LC1044" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="nb" style="color: #0086b3;">()</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1045" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1045

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<pre style="margin: 0;">+<span id="LC1045" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="954" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

954

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<td class="diff-line-num new_line" data-linenumber="1046" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1046

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<pre style="margin: 0;"> <span id="LC1046" class="line" lang="haskell"><span class="n" style="color: #333;">checkJoinOcc</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">JoinArity</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="nb" style="color: #0086b3;">()</span></span>

</pre>

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955

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1047

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<pre style="margin: 0;"> <span id="LC1047" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Check that if the occurrence is a JoinId, then so is the</span></span>

</pre>

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956

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<td class="diff-line-num new_line" data-linenumber="1048" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1048

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<pre style="margin: 0;"> <span id="LC1048" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- binding site, and it's a valid join Id</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1115" style="width: 35px; color: rgba(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="1207" style="width: 35px; color: rgba(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">@@ -1115,11 +1207,15 @@ lintTyApp fun_ty arg_ty</td>

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<pre style="margin: 0;"> <span id="LC1207" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">failWithL</span> <span class="p">(</span><span class="n" style="color: #333;">mkTyAppMsg</span> <span class="n" style="color: #333;">fun_ty</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="1208" style="width: 35px; color: rgba(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="LC1208" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1117" style="width: 35px; color: rgba(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="1209" style="width: 35px; color: rgba(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="LC1209" 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 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">

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<pre style="margin: 0;">+<span id="LC1210" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC1211" class="line" lang="haskell"><span class="cd">-- | @lintValApp arg fun_ty arg_ty@ lints an application of @fun arg@</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC1212" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- where @fun :: fun_ty@ and @arg :: arg_ty@, returning the type of the</span></span>

</pre>

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<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;">-- application.</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1118

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<td class="diff-line-num new_line" data-linenumber="1214" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1214

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<pre style="margin: 0;"> <span id="LC1214" class="line" lang="haskell"><span class="n" style="color: #333;">lintValApp</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;">LintedType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintedType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LintM</span> <span class="kt" style="color: #458; font-weight: 600;">LintedType</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1119

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<td class="diff-line-num new_line" data-linenumber="1215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1215

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<pre style="margin: 0;"> <span id="LC1215" class="line" lang="haskell"><span class="n" style="color: #333;">lintValApp</span> <span class="n" style="color: #333;">arg</span> <span class="n" style="color: #333;">fun_ty</span> <span class="n" style="color: #333;">arg_ty</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1120

</td>

<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC1120" 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</span><span class="p"><span class="idiff left">,</span></span><span class="n" style="color: #333;"><span class="idiff right">res</span></span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">splitFunTy_maybe</span> <span class="n" style="color: #333;">fun_ty</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1121

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<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC1121" 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;">ensureEqTys</span> <span class="n" style="color: #333;">arg</span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">err1</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1122

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<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC1122" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">res</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1123" style="width: 35px; color: rgba(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="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="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<span class="idiff left">_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">res_ty'</span></span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">splitFunTy_maybe</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="1123" style="width: 35px; color: rgba(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="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;">ensureEqTys</span> <span class="n" style="color: #333;">arg<span class="idiff left right">_ty'</span></span> <span class="n" style="color: #333;">arg_ty</span> <span class="n" style="color: #333;">err1</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1123" style="width: 35px; color: rgba(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

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<pre style="margin: 0;">+<span id="LC1218" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">res<span class="idiff left right">_ty'</span></span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1123

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<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

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<pre style="margin: 0;"> <span id="LC1219" 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="1124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1124

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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

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<pre style="margin: 0;"> <span id="LC1220" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">failWithL</span> <span class="n" style="color: #333;">err2</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1125

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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

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<pre style="margin: 0;"> <span id="LC1221" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2756" style="width: 35px; color: rgba(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="2852" style="width: 35px; color: rgba(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">@@ -2756,11 +2852,11 @@ mkInvalidJoinPointMsg var ty</td>

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2756

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2852

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<pre style="margin: 0;"> <span id="LC2852" class="line" lang="haskell">        <span class="mi" style="color: #099;">2</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">var</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">dcolon</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 class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2757" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2757

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<td class="diff-line-num new_line" data-linenumber="2853" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2853

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<pre style="margin: 0;"> <span id="LC2853" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2758" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2758

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<td class="diff-line-num new_line" data-linenumber="2854" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2854

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<pre style="margin: 0;"> <span id="LC2854" class="line" lang="haskell"><span class="n" style="color: #333;">mkBadJoinArityMsg</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Var</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="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;">SDoc</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2759" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2759

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<td class="diff-line-num new_line old" data-linenumber="2855" style="width: 35px; color: rgba(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="LC2759" class="line" lang="haskell"><span class="n" style="color: #333;">mkBadJoinArityMsg</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">ar</span> <span class="n" style="color: #333;">n<span class="idiff left right">lams</span></span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="2855" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2855

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<pre style="margin: 0;">+<span id="LC2855" class="line" lang="haskell"><span class="n" style="color: #333;">mkBadJoinArityMsg</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">ar</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2760" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2760

</td>

<td class="diff-line-num new_line" data-linenumber="2856" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2856

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<pre style="margin: 0;"> <span id="LC2856" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vcat</span> <span class="p">[</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Join point has too few lambdas"</span><span class="p">,</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2761" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2761

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<td class="diff-line-num new_line" data-linenumber="2857" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2857

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<pre style="margin: 0;"> <span id="LC2857" class="line" lang="haskell">           <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Join var:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">var</span><span class="p">,</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2762

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<td class="diff-line-num new_line" data-linenumber="2858" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2858

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<pre style="margin: 0;"> <span id="LC2858" class="line" lang="haskell">           <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Join arity:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ar</span><span class="p">,</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2763

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<td class="diff-line-num new_line old" data-linenumber="2859" style="width: 35px; color: rgba(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="LC2763" class="line" lang="haskell">           <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Number of lambdas:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;"><span class="idiff left right">nlams</span></span><span class="p">,</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2764" style="width: 35px; color: rgba(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="2859" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2859

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<pre style="margin: 0;">+<span id="LC2859" class="line" lang="haskell">           <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Number of lambdas:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">ar</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">n</span></span><span class="p"><span class="idiff right">)</span>,</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2764" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2764

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2860

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<pre style="margin: 0;"> <span id="LC2860" class="line" lang="haskell">           <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Rhs = "</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

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2765

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2861

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<pre style="margin: 0;"> <span id="LC2861" class="line" lang="haskell">           <span class="p">]</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC2862" class="line" lang="haskell"></span>

</pre>

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<br>

</li>

<li id="bac3d5159a5688007de3aa3f5c4e50569677b347">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/f10d11fa49fa9a7a506c4fdbdf86521c2a8d3495...46720997a0b1fa2971a884adf43de096ce130a7e#bac3d5159a5688007de3aa3f5c4e50569677b347"><strong>compiler/GHC/Core/Opt/OccurAnal.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="39" style="width: 35px; color: rgba(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="39" style="width: 35px; color: rgba(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">@@ -39,6 +39,7 @@ import GHC.Types.Demand ( argOneShots, argsOneShots )</td>

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39

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39

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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.Data.Graph.Directed</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">SCC</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;">Node</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 old_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

40

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<td class="diff-line-num new_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

40

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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell">                               <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">stronglyConnCompFromEdgedVerticesUniq</span></span>

</pre>

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41

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<td class="diff-line-num new_line" data-linenumber="41" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

41

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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell">                               <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">stronglyConnCompFromEdgedVerticesUniqR</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="42" style="width: 35px; color: rgba(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="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

42

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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.Builtin.Names</span><span class="p">(</span> <span class="n" style="color: #333;">runRWKey</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

42

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<td class="diff-line-num 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">

43

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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.Types.Unique</span></span>

</pre>

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43

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<td class="diff-line-num new_line" data-linenumber="44" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

44

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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.Types.Unique.FM</span></span>

</pre>

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44

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<td class="diff-line-num new_line" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

45

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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.Types.Unique.Set</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1882" style="width: 35px; color: rgba(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="1883" style="width: 35px; color: rgba(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">@@ -1882,8 +1883,15 @@ occAnalApp :: OccEnv</td>

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1882

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<td class="diff-line-num new_line" data-linenumber="1883" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1883

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<pre style="margin: 0;"> <span id="LC1883" class="line" lang="haskell">           <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UsageDetails</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Expr</span> <span class="kt" style="color: #458; font-weight: 600;">CoreBndr</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1883" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1883

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<td class="diff-line-num new_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

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<pre style="margin: 0;"> <span id="LC1884" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Naked variables (not applied) end up here too</span></span>

</pre>

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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="1885" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1885

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<pre style="margin: 0;"> <span id="LC1885" class="line" lang="haskell"><span class="n" style="color: #333;">occAnalApp</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">args</span><span class="p">,</span> <span class="n" style="color: #333;">ticks</span><span class="p">)</span></span>

</pre>

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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="1886" style="width: 35px; color: rgba(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="LC1885" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">ticks</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">all_uds</span><span class="p">,</span> <span class="n" style="color: #333;">mkApps</span> <span class="n" style="color: #333;">fun'</span> <span class="n" style="color: #333;">args'</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="1886" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1886

</td>

<td class="diff-line-num new_line old" data-linenumber="1886" style="width: 35px; color: rgba(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="LC1886" 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="n" style="color: #333;">all_uds</span><span class="p">,</span> <span class="n" style="color: #333;">mkTicks</span> <span class="n" style="color: #333;">ticks</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkApps</span> <span class="n" style="color: #333;">fun'</span> <span class="n" style="color: #333;">args'</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1887" style="width: 35px; color: rgba(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="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">

1886

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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="LC1886" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Account for join arity of runRW# continuation</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1887" style="width: 35px; color: rgba(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="1887" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1887

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<pre style="margin: 0;">+<span id="LC1887" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- See Note [Simplification of runRW#]</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1887" style="width: 35px; color: rgba(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="1888" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1888

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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="LC1888" class="line" lang="haskell">  <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;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1887" style="width: 35px; color: rgba(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="1889" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1889

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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="LC1889" class="line" lang="haskell">  <span class="p">,</span> <span class="p">[</span><span class="n" style="color: #333;">t1</span><span class="p">,</span> <span class="n" style="color: #333;">t2</span><span class="p">,</span> <span class="n" style="color: #333;">arg</span><span class="p">]</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">args</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1887" style="width: 35px; color: rgba(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="1890" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1890

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<pre style="margin: 0;">+<span id="LC1890" class="line" lang="haskell">  <span class="p">,</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">usage</span><span class="p">,</span> <span class="n" style="color: #333;">arg'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">occAnalRhs</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="mi" style="color: #099;">1</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 new old_line" data-linenumber="1887" style="width: 35px; color: rgba(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="1891" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1891

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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="LC1891" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">usage</span><span class="p">,</span> <span class="n" style="color: #333;">mkTicks</span> <span class="n" style="color: #333;">ticks</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkApps</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">t1</span><span class="p">,</span> <span class="n" style="color: #333;">t2</span><span class="p">,</span> <span class="n" style="color: #333;">arg'</span><span class="p">])</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="1887" style="width: 35px; color: rgba(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="1892" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1892

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1892" 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="1887" style="width: 35px; color: rgba(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="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">

1893

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1893" 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 new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="1887" style="width: 35px; color: rgba(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="1894" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1894

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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="LC1894" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">all_uds</span><span class="p">,</span> <span class="n" style="color: #333;">mkTicks</span> <span class="n" style="color: #333;">ticks</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkApps</span> <span class="n" style="color: #333;">fun'</span> <span class="n" style="color: #333;">args'</span><span class="p">)</span></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="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="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1895" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

</td>

</tr>

<tr class="line_holder" id="" style="line-height: 1.6;">

<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="1896" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1896

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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1896" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">fun'</span><span class="p">,</span> <span class="n" style="color: #333;">fun_id'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupVarEnv</span> <span class="p">(</span><span class="n" style="color: #333;">occ_bs_env</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">fun</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

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<td class="diff-line-num new_line" data-linenumber="1897" style="width: 35px; color: rgba(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="LC1897" class="line" lang="haskell">                      <span class="p">`</span><span class="n" style="color: #333;">orElse</span><span class="p">`</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">fun</span><span class="p">)</span></span>

</pre>

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<br>

</li>

<li id="cc763cdd1967f5d921161a32f64136cfcf0332c5">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/f10d11fa49fa9a7a506c4fdbdf86521c2a8d3495...46720997a0b1fa2971a884adf43de096ce130a7e#cc763cdd1967f5d921161a32f64136cfcf0332c5"><strong>compiler/GHC/Core/Opt/SetLevels.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="91" style="width: 35px; color: rgba(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="91" style="width: 35px; color: rgba(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">@@ -91,11 +91,13 @@ import GHC.Types.Demand       ( StrictSig, Demand, isStrictDmd, splitStrictSig,</td>

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91

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91

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<pre style="margin: 0;"> <span id="LC91" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Cpr</span>          <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">mkCprSig</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">botCpr</span> <span class="p">)</span></span>

</pre>

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92

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<td class="diff-line-num new_line" data-linenumber="92" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

92

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<pre style="margin: 0;"> <span id="LC92" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name</span>         <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">getOccName</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkSystemVarName</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="93" style="width: 35px; color: rgba(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="93" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

93

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<pre style="margin: 0;"> <span id="LC93" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name.Occurrence</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">occNameString</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="94" style="width: 35px; color: rgba(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="94" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

94

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<pre style="margin: 0;">+<span id="LC94" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique</span>       <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">hasKey</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="95" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

95

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<pre style="margin: 0;"> <span id="LC95" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Type</span>    <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkLamTypes</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">splitTyConApp_maybe</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tyCoVarsOfType</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="95" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

95

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<td class="diff-line-num new_line" data-linenumber="96" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

96

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<pre style="margin: 0;"> <span id="LC96" class="line" lang="haskell">                        <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mightBeUnliftedType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">closeOverKindsDSet</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="96" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

96

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<td class="diff-line-num new_line" data-linenumber="97" style="width: 35px; color: rgba(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="LC97" 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;">Arity</span><span class="p">,</span> <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="nf" style="color: #900; font-weight: 600;">isRec</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="97" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

97

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<td class="diff-line-num new_line" data-linenumber="98" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

98

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<pre style="margin: 0;"> <span id="LC98" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.DataCon</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">dataConOrigResTy</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="98" style="width: 35px; color: rgba(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="99" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

99

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<pre style="margin: 0;"> <span id="LC99" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.Types</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

100

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<pre style="margin: 0;">+<span id="LC100" 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;">runRWKey</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="99" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

99

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<td class="diff-line-num new_line" data-linenumber="101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

101

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<pre style="margin: 0;"> <span id="LC101" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique.Supply</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="100" style="width: 35px; color: rgba(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="102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

102

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<pre style="margin: 0;"> <span id="LC102" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Misc</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="101" style="width: 35px; color: rgba(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="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

103

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<pre style="margin: 0;"> <span id="LC103" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Outputable</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="399" style="width: 35px; color: rgba(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="401" style="width: 35px; color: rgba(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">@@ -399,8 +401,14 @@ lvlNonTailExpr env expr</td>

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<td class="diff-line-num old_line" data-linenumber="399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

399

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<td class="diff-line-num new_line" data-linenumber="401" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

401

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<pre style="margin: 0;"> <span id="LC401" class="line" lang="haskell"><span class="n" style="color: #333;">lvlApp</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LevelEnv</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="400" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

400

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<td class="diff-line-num new_line" data-linenumber="402" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

402

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<pre style="margin: 0;"> <span id="LC402" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreExprWithFVs</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC403" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoreExprWithFVs</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CoreExprWithFVs</span><span class="p">])</span> <span class="c1" style="color: #998; font-style: italic;">-- Input application</span></span>

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<pre style="margin: 0;">-<span id="LC402" class="line" lang="haskell">       <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">LvlM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">LevelledExpr</span></span>                   <span class="c1" style="color: #998; font-style: italic;">-- Result expression</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC404" class="line" lang="haskell">       <span class="o" style="font-weight: 600;"><span class="idiff left">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LvlM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LevelledExpr</span></span><span class="idiff right"> </span>                   <span class="c1" style="color: #998; font-style: italic;">-- Result expression</span></span>

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<pre style="margin: 0;"> <span id="LC405" class="line" lang="haskell"><span class="n" style="color: #333;">lvlApp</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">orig_expr</span> <span class="p">((</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">AnnVar</span> <span class="n" style="color: #333;">fn</span><span class="p">),</span> <span class="n" style="color: #333;">args</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC406" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Try to ensure that runRW#'s continuation isn't floated out.</span></span>

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<pre style="margin: 0;">+<span id="LC407" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- See Note [Simplification of runRW#].</span></span>

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<pre style="margin: 0;">+<span id="LC408" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">fn</span> <span class="p">`</span><span class="n" style="color: #333;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</span></span>

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<pre style="margin: 0;">+<span id="LC409" 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;">args'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapM</span> <span class="p">(</span><span class="n" style="color: #333;">lvlExpr</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">args</span></span>

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<pre style="margin: 0;">+<span id="LC410" 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="kt" style="color: #458; font-weight: 600;">App</span> <span class="p">(</span><span class="n" style="color: #333;">lookupVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">fn</span><span class="p">)</span> <span class="n" style="color: #333;">args'</span><span class="p">)</span> <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC411" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC412" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">floatOverSat</span> <span class="n" style="color: #333;">env</span>   <span class="c1" style="color: #998; font-style: italic;">-- See Note [Floating over-saturated applications]</span></span>

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<pre style="margin: 0;"> <span id="LC413" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">arity</span> <span class="o" style="font-weight: 600;">></span> <span class="mi" style="color: #099;">0</span></span>

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<pre style="margin: 0;"> <span id="LC414" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">arity</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">n_val_args</span></span>

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<br>

</li>

<li id="f168a93cde5e2aec2441d6331dfe500172df4af3">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/f10d11fa49fa9a7a506c4fdbdf86521c2a8d3495...46720997a0b1fa2971a884adf43de096ce130a7e#f168a93cde5e2aec2441d6331dfe500172df4af3"><strong>compiler/GHC/Core/Opt/Simplify.hs</strong></a>

<hr>

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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">@@ -37,10 +37,13 @@ import GHC.Core.DataCon</td>

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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell">   <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">StrictnessMark</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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<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.Core.Opt.Monad</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Tick</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;">SimplMode</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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<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.Core</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

40

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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.Builtin.Types.Prim</span><span class="p">(</span> <span class="n" style="color: #333;">realWorldStatePrimTy</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="41" style="width: 35px; color: rgba(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="LC41" 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="n" style="color: #333;">runRWKey</span> <span class="p">)</span></span>

</pre>

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40

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<td class="diff-line-num new_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

42

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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.Demand</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">StrictSig</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;">dmdTypeDepth</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isStrictDmd</span></span>

</pre>

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<td class="diff-line-num 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">

43

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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell">                        <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkClosedStrictSig</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">topDmd</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">botDiv</span> <span class="p">)</span></span>

</pre>

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42

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<td class="diff-line-num new_line" data-linenumber="44" style="width: 35px; color: rgba(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="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Cpr</span>    <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">mkCprSig</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">botCpr</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="45" style="width: 35px; color: rgba(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="LC45" 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>

</pre>

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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.Types.Unique</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">hasKey</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="47" style="width: 35px; color: rgba(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="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Unfold</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC48" 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_line" data-linenumber="49" style="width: 35px; color: rgba(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="LC49" 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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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1877" style="width: 35px; color: rgba(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="1880" style="width: 35px; color: rgba(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">@@ -1877,14 +1880,36 @@ rebuildCall env info (CastIt co cont)</td>

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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="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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<pre style="margin: 0;"> <span id="LC1881" 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_line" data-linenumber="1882" style="width: 35px; color: rgba(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="LC1882" class="line" lang="haskell"></span>

</pre>

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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> <span class="n" style="color: #333;">ai_type</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_ty</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC1883" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">---------- The runRW# rule. Do this after absorbing all arguments ------</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC1884" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- runRW# :: forall (r :: RuntimeRep) (o :: TYPE r). (State# RealWorld -> o) -> o</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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1885" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1885

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<pre style="margin: 0;">+<span id="LC1885" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- K[ runRW# rr ty (\s. body) ]  -->  runRW rr' ty' (\s. K[ body ])</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">

</td>

<td class="diff-line-num new new_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">

1886

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<pre style="margin: 0;">+<span id="LC1886" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</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_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="n" style="color: #333;">rev_args</span> <span class="p">})</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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1887" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1887

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<pre style="margin: 0;">+<span id="LC1887" 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 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="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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1888" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1888

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<pre style="margin: 0;">+<span id="LC1888" class="line" lang="haskell">  <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;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1889" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1889

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<pre style="margin: 0;">+<span id="LC1889" 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;">contIsStop</span> <span class="n" style="color: #333;">cont</span><span class="p">)</span>  <span class="c1" style="color: #998; font-style: italic;">-- Don't fiddle around if the continuation is boring</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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1890" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1890

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<pre style="margin: 0;">+<span id="LC1890" class="line" lang="haskell">  <span class="p">,</span> <span class="p">[</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{},</span> <span class="kt" style="color: #458; font-weight: 600;">TyArg</span> <span class="p">{}</span> <span class="p">]</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rev_args</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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1891" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1891

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<pre style="margin: 0;">+<span id="LC1891" 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;">s</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newId</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"s"</span><span class="p">)</span> <span class="n" style="color: #333;">realWorldStatePrimTy</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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1892" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1892

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<pre style="margin: 0;">+<span id="LC1892" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">env'</span>  <span class="o" style="font-weight: 600;">=</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="p">`</span><span class="n" style="color: #333;">addNewInScopeIds</span><span class="p">`</span> <span class="p">[</span><span class="n" style="color: #333;">s</span><span class="p">]</span></span>

</pre>

</td>

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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">

</td>

<td class="diff-line-num new new_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">

1893

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<pre style="margin: 0;">+<span id="LC1893" class="line" lang="haskell">             <span class="n" style="color: #333;">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;">Simplified</span><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;">Var</span> <span class="n" style="color: #333;">s</span></span>

</pre>

</td>

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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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1894" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1894

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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="LC1894" 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;">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>

</td>

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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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1895" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1895

</td>

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<pre style="margin: 0;">+<span id="LC1895" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">body'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExprC</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">arg</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="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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1896" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1896

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<pre style="margin: 0;">+<span id="LC1896" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg'</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">body'</span></span>

</pre>

</td>

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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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1897" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1897

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1897" class="line" lang="haskell">             <span class="n" style="color: #333;">ty'</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">contResultType</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="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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1898" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1898

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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="LC1898" class="line" lang="haskell">             <span class="n" style="color: #333;">rr'</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getRuntimeRep</span> <span class="n" style="color: #333;">ty'</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1899" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1899

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1899" class="line" lang="haskell">             <span class="n" style="color: #333;">call'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkApps</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">rr'</span><span class="p">,</span> <span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">ty'</span><span class="p">,</span> <span class="n" style="color: #333;">arg'</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="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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1900" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1900

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1900" 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;">emptyFloats</span> <span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">call'</span><span class="p">)</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="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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1901" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1901

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1901" 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="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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1902" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1902

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1902" 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_type</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_ty</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>

</td>

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<td class="diff-line-num old_line" data-linenumber="1881" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1881

</td>

<td class="diff-line-num new_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

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<pre style="margin: 0;"> <span id="LC1903" 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>

</td>

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<td class="diff-line-num old_line" data-linenumber="1882" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1882

</td>

<td class="diff-line-num new_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

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<pre style="margin: 0;"> <span id="LC1904" 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>

</td>

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<td class="diff-line-num old_line" data-linenumber="1883" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1883

</td>

<td class="diff-line-num new_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="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1905" 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>

</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="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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1906" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1906

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1906" 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="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">

</td>

<td class="diff-line-num new new_line" data-linenumber="1907" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1907

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1907" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Argument is already simplified</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="1908" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1908

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1908" 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_line" data-linenumber="1885" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1885

</td>

<td class="diff-line-num new_line" data-linenumber="1909" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1909

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1909" 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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<tr class="line_holder" id="" style="line-height: 1.6;">

<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="1910" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1910

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1910" 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="1887" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1887

</td>

<td class="diff-line-num new_line old" data-linenumber="1911" style="width: 35px; color: rgba(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="LC1887" 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>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="1888" style="width: 35px; color: rgba(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="1911" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1911

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1911" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Strict arguments</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="1888" style="width: 35px; color: rgba(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="1912" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1912

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1912" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">str</span></span>

</pre>

</td>

</tr>

<tr class="line_holder" id="" style="line-height: 1.6;">

<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="1913" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1913

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1913" 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>

</tr>

<tr class="line_holder" id="" style="line-height: 1.6;">

<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="1914" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1914

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1914" 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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<tr class="line_holder" id="" style="line-height: 1.6;">

<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="1915" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1915

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1915" 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>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1892" style="width: 35px; color: rgba(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="1917" style="width: 35px; color: rgba(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">@@ -1892,7 +1917,8 @@ rebuildCall env info@(ArgInfo { ai_encl = encl_rules, ai_type = fun_ty</td>

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1892

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1917

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<pre style="margin: 0;"> <span id="LC1917" 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>

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<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

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<td class="diff-line-num new_line" data-linenumber="1918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1918

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<pre style="margin: 0;"> <span id="LC1918" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Note [Shadowing]</span></span>

</pre>

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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

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<td class="diff-line-num new_line" data-linenumber="1919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1919

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<pre style="margin: 0;"> <span id="LC1919" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1895" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1895

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<td class="diff-line-num new_line old" data-linenumber="1920" style="width: 35px; color: rgba(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="LC1895" 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>

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<td class="diff-line-num new old_line" data-linenumber="1896" style="width: 35px; color: rgba(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="1920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1920

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<pre style="margin: 0;">+<span id="LC1920" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Lazy arguments</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1896" style="width: 35px; color: rgba(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="1921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1921

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<pre style="margin: 0;">+<span id="LC1921" 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="1896" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1896

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<td class="diff-line-num new_line" data-linenumber="1922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1922

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<pre style="margin: 0;"> <span id="LC1922" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- DO NOT float anything outside, hence simplExprC</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1897" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1897

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<td class="diff-line-num new_line" data-linenumber="1923" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1923

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<pre style="margin: 0;"> <span id="LC1923" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- There is no benefit (unlike in a let-binding), and we'd</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1898" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1898

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<td class="diff-line-num new_line" data-linenumber="1924" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1924

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<pre style="margin: 0;"> <span id="LC1924" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- have to be very careful about bogus strictness through</span></span>

</pre>

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<br>

</li>

<li id="11ffe98a94d798427bc600e4fcfe899407536346">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/f10d11fa49fa9a7a506c4fdbdf86521c2a8d3495...46720997a0b1fa2971a884adf43de096ce130a7e#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="957" style="width: 35px; color: rgba(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="957" style="width: 35px; color: rgba(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">@@ -957,6 +957,31 @@ will happen the next time either.</td>

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957

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957

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<pre style="margin: 0;"> <span id="LC957" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

958

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<td class="diff-line-num new_line" data-linenumber="958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

958

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<pre style="margin: 0;"> <span id="LC958" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">See test T16254, which checks the behavior of newtypes.</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

959

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<td class="diff-line-num new_line" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

959

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<pre style="margin: 0;"> <span id="LC959" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

960

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<pre style="margin: 0;">+<span id="LC960" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Don't float join points]</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

961

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<pre style="margin: 0;">+<span id="LC961" 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="960" style="width: 35px; color: rgba(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="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

962

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<pre style="margin: 0;">+<span id="LC962" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">exprIsConApp_maybe should succeed on</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

963

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<pre style="margin: 0;">+<span id="LC963" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   let v = e in Just v</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

964

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<pre style="margin: 0;">+<span id="LC964" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">returning [x=e] as one of the [FloatBind].  But it must</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

965

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<pre style="margin: 0;">+<span id="LC965" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">NOT succeed on</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

966

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<pre style="margin: 0;">+<span id="LC966" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   join j x = rhs in Just v</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

967

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<pre style="margin: 0;">+<span id="LC967" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">because join-points can't be gaily floated.  Consider</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="968" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

968

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<pre style="margin: 0;">+<span id="LC968" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   case (join j x = rhs in Just) of</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="969" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

969

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<pre style="margin: 0;">+<span id="LC969" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     K p q -> blah</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="970" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

970

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<pre style="margin: 0;">+<span id="LC970" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">We absolutely must not "simplify" this to</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="971" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

971

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<pre style="margin: 0;">+<span id="LC971" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   join j x = rhs</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="972" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

972

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<pre style="margin: 0;">+<span id="LC972" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   in blah</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="973" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

973

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<pre style="margin: 0;">+<span id="LC973" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">because j's return type is (Maybe t), quite different to blah's.</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="974" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

974

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<pre style="margin: 0;">+<span id="LC974" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="975" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

975

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<pre style="margin: 0;">+<span id="LC975" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">You might think this could never happen, because j can't be</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

976

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<pre style="margin: 0;">+<span id="LC976" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">tail-called in the body if the body returns a constructor.  But</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="977" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

977

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<pre style="margin: 0;">+<span id="LC977" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">in !3113 we had a /dead/ join point (which is not illegal),</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

978

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<pre style="margin: 0;">+<span id="LC978" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">and its return type was wonky.</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

979

</td>

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<pre style="margin: 0;">+<span id="LC979" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="980" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

980

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<pre style="margin: 0;">+<span id="LC980" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The simple thing is not to float a join point.  The next iteration</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

981

</td>

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<pre style="margin: 0;">+<span id="LC981" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">of the simplifier will sort everything out.  And it there is</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="982" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

982

</td>

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<pre style="margin: 0;">+<span id="LC982" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">a join point, the chances are that the body is not a constructor</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

983

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<pre style="margin: 0;">+<span id="LC983" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">application, so failing faster is good.</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="960" style="width: 35px; color: rgba(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="984" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

984

</td>

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<pre style="margin: 0;">+<span id="LC984" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

960

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<td class="diff-line-num new_line" data-linenumber="985" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

985

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<pre style="margin: 0;"> <span id="LC985" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [exprIsConApp_maybe for data-con wrappers: tricky corner]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

961

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<td class="diff-line-num new_line" data-linenumber="986" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

986

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<pre style="margin: 0;"> <span id="LC986" 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="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

962

</td>

<td class="diff-line-num new_line" data-linenumber="987" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

987

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<pre style="margin: 0;"> <span id="LC987" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Generally speaking</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1065" style="width: 35px; color: rgba(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="1090" style="width: 35px; color: rgba(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">@@ -1065,6 +1090,8 @@ exprIsConApp_maybe (in_scope, id_unf) expr</td>

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1065

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<td class="diff-line-num new_line" data-linenumber="1090" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1090

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<pre style="margin: 0;"> <span id="LC1090" class="line" lang="haskell">         <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">subst'</span> <span class="p">(</span><span class="n" style="color: #333;">float</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">floats</span><span class="p">)</span> <span class="n" style="color: #333;">body</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CC</span> <span class="n" style="color: #333;">args</span> <span class="n" style="color: #333;">co</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1066" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1066

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<td class="diff-line-num new_line" data-linenumber="1091" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1091

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<pre style="margin: 0;"> <span id="LC1091" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1067" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1067

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<td class="diff-line-num new_line" data-linenumber="1092" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1092

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<pre style="margin: 0;"> <span id="LC1092" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">subst</span> <span class="n" style="color: #333;">floats</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Let</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NonRec</span> <span class="n" style="color: #333;">bndr</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span> <span class="n" style="color: #333;">expr</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="1068" style="width: 35px; color: rgba(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="1093" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1093

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<pre style="margin: 0;">+<span id="LC1093" 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;">isJoinId</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 old_line" data-linenumber="1068" style="width: 35px; color: rgba(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="1094" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1094

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<pre style="margin: 0;">+<span id="LC1094" class="line" lang="haskell">         <span class="c1" style="color: #998; font-style: italic;">-- Crucial guard! See Note [Don't float join points]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1068" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1068

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<td class="diff-line-num new_line" data-linenumber="1095" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1095

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<pre style="margin: 0;"> <span id="LC1095" 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;">rhs'</span>            <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">subst_expr</span> <span class="n" style="color: #333;">subst</span> <span class="n" style="color: #333;">rhs</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1069" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1069

</td>

<td class="diff-line-num new_line" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1096

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<pre style="margin: 0;"> <span id="LC1096" class="line" lang="haskell">             <span class="p">(</span><span class="n" style="color: #333;">subst'</span><span class="p">,</span> <span class="n" style="color: #333;">bndr'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">subst_bndr</span> <span class="n" style="color: #333;">subst</span> <span class="n" style="color: #333;">bndr</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1070

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<td class="diff-line-num new_line" data-linenumber="1097" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1097

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<pre style="margin: 0;"> <span id="LC1097" class="line" lang="haskell">             <span class="n" style="color: #333;">float</span>           <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">FloatLet</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NonRec</span> <span class="n" style="color: #333;">bndr'</span> <span class="n" style="color: #333;">rhs'</span><span class="p">)</span></span>

</pre>

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<br>

</li>

<li id="a5d27de4e3111a69f69902c65ecf7b3379f7c49a">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/f10d11fa49fa9a7a506c4fdbdf86521c2a8d3495...46720997a0b1fa2971a884adf43de096ce130a7e#a5d27de4e3111a69f69902c65ecf7b3379f7c49a"><strong>compiler/GHC/CoreToStg/Prep.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="760" style="width: 35px; color: rgba(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="760" style="width: 35px; color: rgba(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">@@ -760,7 +760,13 @@ data ArgInfo = CpeApp  CoreArg</td>

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<td class="diff-line-num old_line" data-linenumber="760" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

760

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<td class="diff-line-num new_line" data-linenumber="760" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

760

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<pre style="margin: 0;"> <span id="LC760" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CpeCast</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="761" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

761

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<td class="diff-line-num new_line" data-linenumber="761" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

761

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<pre style="margin: 0;"> <span id="LC761" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CpeTick</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Tickish</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

762

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<td class="diff-line-num new_line" data-linenumber="762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

762

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<pre style="margin: 0;"> <span id="LC762" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

763

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<td class="diff-line-num new_line old" data-linenumber="763" style="width: 35px; color: rgba(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="LC763" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [runRW arg]</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

763

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<pre style="margin: 0;">+<span id="LC763" 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;">ArgInfo</span> <span class="kr" style="font-weight: 600;">where</span></span>

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764

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<pre style="margin: 0;">+<span id="LC764" 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;">CpeApp</span> <span class="n" style="color: #333;">arg</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;">"app"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">arg</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="765" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

765

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<pre style="margin: 0;">+<span id="LC765" 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;">CpeCast</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;">text</span> <span class="s" style="color: #d14;">"cast"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</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="766" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

766

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<pre style="margin: 0;">+<span id="LC766" 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;">CpeTick</span> <span class="n" style="color: #333;">tick</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;">"tick"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">tick</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

767

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<pre style="margin: 0;">+<span id="LC767" class="line" lang="haskell"></span>

</pre>

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768

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<pre style="margin: 0;">+<span id="LC768" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>

</pre>

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769

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<pre style="margin: 0;">+<span id="LC769" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> Note [runRW arg]</span></span>

</pre>

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764

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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 class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="765" style="width: 35px; color: rgba(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="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="cm" style="color: #998; font-style: italic;">If we got, say</span></span>

</pre>

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766

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772

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<pre style="margin: 0;"> <span id="LC772" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   runRW# (case bot of {})</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="823" style="width: 35px; color: rgba(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="829" style="width: 35px; color: rgba(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">@@ -823,14 +829,23 @@ cpeApp top_env expr</td>

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<pre style="margin: 0;"> <span id="LC829" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- rather than the far superior "f x y".  Test case is par01.</span></span>

</pre>

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824

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<pre style="margin: 0;"> <span id="LC830" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">terminal</span><span class="p">,</span> <span class="n" style="color: #333;">args'</span><span class="p">,</span> <span class="n" style="color: #333;">depth'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">collect_args</span> <span class="n" style="color: #333;">arg</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="831" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

831

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<pre style="margin: 0;"> <span id="LC831" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">cpe_app</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">terminal</span> <span class="p">(</span><span class="n" style="color: #333;">args'</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">args</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">depth</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">depth'</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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826

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<td class="diff-line-num new_line old" data-linenumber="832" style="width: 35px; color: rgba(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="LC826" class="line" lang="haskell">    <span class="n" style="color: #333;">cpe_app</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="p"><span class="idiff left">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CpeApp</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">_runtimeRep</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Type</span></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">CpeApp</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">_type</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Type</span></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">CpeApp</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff right">1</span></span></span>

</pre>

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832

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<pre style="margin: 0;">+<span id="LC832" class="line" lang="haskell">    <span class="n" style="color: #333;">cpe_app</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CpeApp</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">_runtimeRep</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Type</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="kt" style="color: #458; font-weight: 600;"><span class="idiff">CpeApp</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">_type</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Type</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="kt" style="color: #458; font-weight: 600;"><span class="idiff">CpeApp</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">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">rest</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">n</span></span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="827" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

827

</td>

<td class="diff-line-num new_line" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

833

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<pre style="margin: 0;"> <span id="LC833" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">f</span> <span class="p">`</span><span class="n" style="color: #333;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="828" style="width: 35px; color: rgba(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="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

834

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<pre style="margin: 0;">+<span id="LC834" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- N.B. While it may appear that n == 1 in the case of runRW#</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="828" style="width: 35px; color: rgba(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="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

835

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<pre style="margin: 0;">+<span id="LC835" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- applications, keep in mind that we may have applications that return</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="828" style="width: 35px; color: rgba(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="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

836

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<pre style="margin: 0;">+<span id="LC836" class="line" lang="haskell">        <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>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="828" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

828

</td>

<td class="diff-line-num new_line" data-linenumber="837" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

837

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<pre style="margin: 0;"> <span id="LC837" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- See Note [runRW magic]</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="829" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

829

</td>

<td class="diff-line-num new_line" data-linenumber="838" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

838

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<pre style="margin: 0;"> <span id="LC838" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Replace (runRW# f) by (f realWorld#), beta reducing if possible (this</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="830" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

830

</td>

<td class="diff-line-num new_line" data-linenumber="839" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

839

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<pre style="margin: 0;"> <span id="LC839" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- is why we return a CorePrepEnv as well)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="831" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

831

</td>

<td class="diff-line-num new_line" data-linenumber="840" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

840

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<pre style="margin: 0;"> <span id="LC840" 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>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="832" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

832

</td>

<td class="diff-line-num new_line old" data-linenumber="841" style="width: 35px; color: rgba(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="LC832" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">body</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">cpe_app</span> <span class="p">(</span><span class="n" style="color: #333;">extendCorePrepEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">realWorldPrimId</span><span class="p">)</span> <span class="n" style="color: #333;">body</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="mi" style="color: #099;">0</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

833

</td>

<td class="diff-line-num new_line old" data-linenumber="841" style="width: 35px; color: rgba(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="LC833" 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;">cpe_app</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">arg</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CpeApp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">realWorldPrimId</span><span class="p">)]</span> <span class="mi" style="color: #099;">1</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="834" style="width: 35px; color: rgba(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="841" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

841

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<pre style="margin: 0;">+<span id="LC841" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">body</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">cpe_app</span> <span class="p">(</span><span class="n" style="color: #333;">extendCorePrepEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">realWorldPrimId</span><span class="p">)</span> <span class="n" style="color: #333;">body</span> <span class="n" style="color: #333;">rest</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;">2</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="834" style="width: 35px; color: rgba(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="842" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

842

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<pre style="margin: 0;">+<span id="LC842" 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;">cpe_app</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">arg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CpeApp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">realWorldPrimId</span><span class="p">)</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">rest</span><span class="p">)</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>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="834" style="width: 35px; color: rgba(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="843" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

843

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<pre style="margin: 0;">+<span id="LC843" class="line" lang="haskell">             <span class="c1" style="color: #998; font-style: italic;">-- TODO: What about casts?</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="834" style="width: 35px; color: rgba(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="844" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

844

</td>

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<pre style="margin: 0;">+<span id="LC844" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="834" style="width: 35px; color: rgba(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="845" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

845

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<pre style="margin: 0;">+<span id="LC845" class="line" lang="haskell">    <span class="n" style="color: #333;">cpe_app</span> <span class="n" style="color: #333;">_env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">args</span> <span class="n" style="color: #333;">n</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="846" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

846

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<pre style="margin: 0;">+<span id="LC846" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">f</span> <span class="p">`</span><span class="n" style="color: #333;">hasKey</span><span class="p">`</span> <span class="n" style="color: #333;">runRWKey</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="834" style="width: 35px; color: rgba(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="847" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

847

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<pre style="margin: 0;">+<span id="LC847" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"cpe_app(runRW#)"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="834" style="width: 35px; color: rgba(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="848" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

848

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<pre style="margin: 0;">+<span id="LC848" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

834

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<td class="diff-line-num new_line" data-linenumber="849" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

849

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<pre style="margin: 0;"> <span id="LC849" class="line" lang="haskell">    <span class="n" style="color: #333;">cpe_app</span> <span class="n" style="color: #333;">env</span> <span class="p">(</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="n" style="color: #333;">args</span> <span class="n" style="color: #333;">depth</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

835

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<td class="diff-line-num new_line" data-linenumber="850" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

850

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<pre style="margin: 0;"> <span id="LC850" 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;">v1</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">fiddleCCall</span> <span class="n" style="color: #333;">v</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

836

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<td class="diff-line-num new_line" data-linenumber="851" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

851

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<pre style="margin: 0;"> <span id="LC851" class="line" lang="haskell">           <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">e2</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupCorePrepEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v1</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="959" style="width: 35px; color: rgba(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="974" style="width: 35px; color: rgba(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">@@ -959,8 +974,77 @@ pragma.  It is levity-polymorphic.</td>

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<td class="diff-line-num old_line" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

959

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<td class="diff-line-num new_line" data-linenumber="974" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

974

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<pre style="margin: 0;"> <span id="LC974" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">           => (State# RealWorld -> (# State# RealWorld, o #))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

960

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<td class="diff-line-num new_line" data-linenumber="975" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

975

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<pre style="margin: 0;"> <span id="LC975" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">                              -> (# State# RealWorld, o #)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

961

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<td class="diff-line-num new_line" data-linenumber="976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

976

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<pre style="margin: 0;"> <span id="LC976" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

962

</td>

<td class="diff-line-num new_line old" data-linenumber="977" style="width: 35px; color: rgba(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="LC962" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">It needs no special treatment in GHC except this special inlining here</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

963

</td>

<td class="diff-line-num new_line old" data-linenumber="977" style="width: 35px; color: rgba(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="LC963" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">in CorePrep (and in GHC.CoreToByteCode).</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="977" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

977

</td>

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<pre style="margin: 0;">+<span id="LC977" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">It's correctness needs no special treatment in GHC except this special inlining</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

978

</td>

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<pre style="margin: 0;">+<span id="LC978" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">here in CorePrep (and in GHC.CoreToByteCode).</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

979

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC979" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="980" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

980

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<pre style="margin: 0;">+<span id="LC980" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">However, there are a variety of optimisation opportunities that the simplifier</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

981

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<pre style="margin: 0;">+<span id="LC981" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">takes advantage of. See Note [Simplification of runRW#].</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="982" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

982

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC982" class="line" lang="haskell"></span>

</pre>

</td>

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</td>

<td class="diff-line-num new new_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

983

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<pre style="margin: 0;">+<span id="LC983" class="line" lang="haskell"></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="984" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

984

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<pre style="margin: 0;">+<span id="LC984" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Simplification of runRW#]</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="985" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

985

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<pre style="margin: 0;">+<span id="LC985" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="986" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

986

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<pre style="margin: 0;">+<span id="LC986" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Consider the program,</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="987" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

987

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<pre style="margin: 0;">+<span id="LC987" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="988" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

988

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<pre style="margin: 0;">+<span id="LC988" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    case runRW# (\s -> let n = I# 42# in n) of</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="989" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

989

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<pre style="margin: 0;">+<span id="LC989" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">      I# n# -> f n#</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="990" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

990

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<pre style="margin: 0;">+<span id="LC990" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="991" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

991

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<pre style="margin: 0;">+<span id="LC991" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">There is no reason why we should allocate an I# constructor given that we</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="992" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

992

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<pre style="margin: 0;">+<span id="LC992" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">immediately destructure it. To avoid this the simplifier will push strict</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="993" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

993

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<pre style="margin: 0;">+<span id="LC993" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">contexts into runRW's continuation. That is, it transforms</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="994" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

994

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<pre style="margin: 0;">+<span id="LC994" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="995" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

995

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<pre style="margin: 0;">+<span id="LC995" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    K[ runRW# @r @ty cont ]</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="996" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

996

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<pre style="margin: 0;">+<span id="LC996" 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="997" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

997

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<pre style="margin: 0;">+<span id="LC997" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    runRW# @r @ty K[cont]</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

998

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<pre style="margin: 0;">+<span id="LC998" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="999" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

999

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<pre style="margin: 0;">+<span id="LC999" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This has a few interesting implications. Consider, for instance, this program:</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1000" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1000

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<pre style="margin: 0;">+<span id="LC1000" class="line" lang="haskell"></span>

</pre>

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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="cm" style="color: #998; font-style: italic;">    join j = ...</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1002" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1002

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<pre style="margin: 0;">+<span id="LC1002" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    in case runRW# @r @ty cont of</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1003

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<pre style="margin: 0;">+<span id="LC1003" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">         result -> jump j result</span></span>

</pre>

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1004

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<pre style="margin: 0;">+<span id="LC1004" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1005" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1005

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<pre style="margin: 0;">+<span id="LC1005" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Performing the transform described above would result in:</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1006" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1006

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<pre style="margin: 0;">+<span id="LC1006" class="line" lang="haskell"></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1007" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1007

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<pre style="margin: 0;">+<span id="LC1007" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    join j x = ...</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1008" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1008

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<pre style="margin: 0;">+<span id="LC1008" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    in runRW# @r @ty (\s -></span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1009" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1009

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<pre style="margin: 0;">+<span id="LC1009" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">         case cont of in</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1010" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1010

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<pre style="margin: 0;">+<span id="LC1010" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">           result -> jump j result</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1011

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<pre style="margin: 0;">+<span id="LC1011" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">       )</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1012

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<pre style="margin: 0;">+<span id="LC1012" class="line" lang="haskell"></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1013

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<pre style="margin: 0;">+<span id="LC1013" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If runRW# were a "normal" function this call to join point j would not be</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1014

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<pre style="margin: 0;">+<span id="LC1014" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">allowed in its continuation argument. However, since runRW# is inlined (as</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1015

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<pre style="margin: 0;">+<span id="LC1015" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">described in Note [runRW magic] above), such join point occurences are</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1016

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<pre style="margin: 0;">+<span id="LC1016" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">completely fine. Both occurrence analysis and Core Lint have special treatment</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1017

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<pre style="margin: 0;">+<span id="LC1017" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">for runRW# applications. See Note [Linting of runRW#] for details on the latter.</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1018

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<pre style="margin: 0;">+<span id="LC1018" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1019

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<pre style="margin: 0;">+<span id="LC1019" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Moreover, it's helpful to ensure that runRW's continuation isn't floated out</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1020

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<pre style="margin: 0;">+<span id="LC1020" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(since doing so would then require a call, whereas we would otherwise end up</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1021

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<pre style="margin: 0;">+<span id="LC1021" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">with straight-line). Consequently, GHC.Core.Opt.SetLevels.lvlApp has special</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1022

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<pre style="margin: 0;">+<span id="LC1022" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">treatment for runRW# applications, ensure the arguments are not floated if</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1023" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1023

</td>

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<pre style="margin: 0;">+<span id="LC1023" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">MFEs.</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1024

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1024" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1025

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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="LC1025" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Other considered designs</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1026

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1026" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">------------------------</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1027

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1027" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1028

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1028" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">One design that was rejected was to *require* that runRW#'s continuation be</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1029

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1029" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">headed by a lambda. However, this proved to be quite fragile. For instance,</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1030

</td>

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<pre style="margin: 0;">+<span id="LC1030" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">SetLevels is very eager to float bottoming expressions. For instance given</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1031

</td>

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<pre style="margin: 0;">+<span id="LC1031" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">something of the form,</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1032

</td>

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<pre style="margin: 0;">+<span id="LC1032" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1033

</td>

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<pre style="margin: 0;">+<span id="LC1033" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    runRW# @r @ty (\s -> case expr of x -> undefined)</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1034

</td>

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<pre style="margin: 0;">+<span id="LC1034" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1035

</td>

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<pre style="margin: 0;">+<span id="LC1035" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">SetLevels will see that the body the lambda is bottoming and will consequently</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1036

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1036" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">float it to the top-level (assuming expr has no free coercion variables which</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1037

</td>

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<pre style="margin: 0;">+<span id="LC1037" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">prevent this). We therefore end up with</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1038

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1038" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1039" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1039

</td>

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<pre style="margin: 0;">+<span id="LC1039" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    runRW# @r @ty (\s -> lvl s)</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1040" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1040

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1040" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1041" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1041

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1041" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Which the simplifier will beta reduce, leaving us with</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1042" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1042

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1042" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1043" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1043

</td>

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<pre style="margin: 0;">+<span id="LC1043" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    runRW# @r @ty lvl</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1044" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1044

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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="LC1044" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1045" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1045

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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="LC1045" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Breaking our desired invariant. Ultimately we decided to simply accept that</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1046" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1046

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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="LC1046" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the continuation may not be a manifest lambda.</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="964" style="width: 35px; color: rgba(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="1047" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1047

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC1047" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

964

</td>

<td class="diff-line-num new_line" data-linenumber="1048" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1048

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC1048" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

965

</td>

<td class="diff-line-num new_line" data-linenumber="1049" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1049

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<pre style="margin: 0;"> <span id="LC1049" 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="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

966

</td>

<td class="diff-line-num new_line" data-linenumber="1050" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1050

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<pre style="margin: 0;"> <span id="LC1050" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">--      CpeArg: produces a result satisfying CpeArg</span></span>

</pre>

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<br>

</li>

<li id="94864be2e2eb1959a038d5d903a6c784e5cfb32a">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/f10d11fa49fa9a7a506c4fdbdf86521c2a8d3495...46720997a0b1fa2971a884adf43de096ce130a7e#94864be2e2eb1959a038d5d903a6c784e5cfb32a"><strong>compiler/GHC/HsToCore/Utils.hs</strong></a>

<hr>

<table class="code white" style="font-family: monospace; font-size: 90%;" bgcolor="#fff" width="100%" cellpadding="0" cellspacing="0">

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="482" style="width: 35px; color: rgba(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="482" style="width: 35px; color: rgba(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">@@ -482,7 +482,6 @@ mkCoreAppDs _ (Var f `App` Type _r `App` Type ty1 `App` Type ty2 `App` arg1) arg</td>

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<td class="diff-line-num old_line" data-linenumber="482" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

482

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<td class="diff-line-num new_line" data-linenumber="482" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

482

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<pre style="margin: 0;"> <span id="LC482" class="line" lang="haskell">                   <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">v1</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isInternalName</span> <span class="p">(</span><span class="n" style="color: #333;">idName</span> <span class="n" style="color: #333;">v1</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="483" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

483

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<td class="diff-line-num new_line" data-linenumber="483" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

483

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<pre style="margin: 0;"> <span id="LC483" class="line" lang="haskell">                          <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">v1</span>        <span class="c1" style="color: #998; font-style: italic;">-- Note [Desugaring seq], points (2) and (3)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="484" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

484

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<td class="diff-line-num new_line" data-linenumber="484" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

484

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<pre style="margin: 0;"> <span id="LC484" 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;">mkWildValBinder</span> <span class="n" style="color: #333;">ty1</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="485" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

485

</td>

<td class="diff-line-num new_line old" data-linenumber="485" style="width: 35px; color: rgba(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="LC485" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="486" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

486

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<td class="diff-line-num new_line" data-linenumber="485" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

485

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<pre style="margin: 0;"> <span id="LC485" class="line" lang="haskell"><span class="n" style="color: #333;">mkCoreAppDs</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">fun</span> <span class="n" style="color: #333;">arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkCoreApp</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">fun</span> <span class="n" style="color: #333;">arg</span>  <span class="c1" style="color: #998; font-style: italic;">-- The rest is done in GHC.Core.Make</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="487" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

487

</td>

<td class="diff-line-num new_line" data-linenumber="486" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

486

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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC486" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="488" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

488

</td>

<td class="diff-line-num new_line" data-linenumber="487" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

487

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<pre style="margin: 0;"> <span id="LC487" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- NB: No argument can be levity polymorphic</span></span>

</pre>

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