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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/c59064b0c60d3d779f5fd067be4b6648d8de23cf">c59064b0</a></strong>
<div>
<span>by Brandon Chinn</span>
<i>at 2020-07-29T15:07:11-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add regression test for #16341
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a61411cab31fcc08f1dcd629b85c736e2b5b6bc7">a61411ca</a></strong>
<div>
<span>by Brandon Chinn</span>
<i>at 2020-07-29T15:07:11-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Pass dit_rep_tc_args to dsm_stock_gen_fn
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a26498daa4d87a15b3e829c204ed6e9b4323f684">a26498da</a></strong>
<div>
<span>by Brandon Chinn</span>
<i>at 2020-07-29T15:07:11-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Pass tc_args to gen_fn
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/44b11bad052eabf43246acba6aab814376b08713">44b11bad</a></strong>
<div>
<span>by Brandon Chinn</span>
<i>at 2020-07-29T15:07:11-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Filter out unreachable constructors when deriving stock instances (#16431)
</pre>
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<h4>7 changed files:</h4>
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<a href="#b768fdf8e0594bf98104ef18145fc9f16550bc06">
compiler/GHC/Tc/Deriv.hs
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<a href="#134bd468c04c1bc43429f10f08db3962e9c56a70">
compiler/GHC/Tc/Deriv/Functor.hs
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<a href="#3aa56839e36b2219f9ad54f5646ef3005da9c672">
compiler/GHC/Tc/Deriv/Generate.hs
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<a href="#1e112461bfd65ab9492f37fe37931c1d5ddc5c26">
compiler/GHC/Tc/Deriv/Infer.hs
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<a href="#e9a44bb2cab837a54e2701986ac773e814e49eab">
compiler/GHC/Tc/Deriv/Utils.hs
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<a href="#43adf67d08cd51216ccbf5dcefe8b5327baa188c">
<span class="new-file">
+
testsuite/tests/deriving/should_compile/T16341.hs
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<a href="#e7bc29da08da2be1b3bd264c751322dc3e8c1905">
testsuite/tests/deriving/should_compile/all.T
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<h4>Changes:</h4>
<li id="b768fdf8e0594bf98104ef18145fc9f16550bc06">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/b9a880fce484d0a87bb794b9d2d8a73e54819011...44b11bad052eabf43246acba6aab814376b08713#b768fdf8e0594bf98104ef18145fc9f16550bc06"><strong>compiler/GHC/Tc/Deriv.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2038,9 +2038,12 @@ genDerivStuff mechanism loc clas inst_tys tyvars</td>
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<pre style="margin: 0;"> <span id="LC2038" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">gen_newtype_or_via</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;"> <span id="LC2039" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC2040" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Try a stock deriver</span></span>
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<td class="diff-line-num old old_line" data-linenumber="2041" style="width: 35px; color: rgba(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="LC2041" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">DerivSpecStock</span> <span class="p">{</span> <span class="n" style="color: #333;">dsm_stock_dit</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DerivInstTys</span><span class="p">{</span><span class="n" style="color: #333;">dit_rep_tc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rep_tc</span><span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC2041" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">DerivSpecStock</span> <span class="p">{</span> <span class="n" style="color: #333;">dsm_stock_dit</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DerivInstTys</span></span>
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<pre style="margin: 0;">+<span id="LC2042" class="line" lang="haskell">                        <span class="p">{</span> <span class="n" style="color: #333;">dit_rep_tc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rep_tc</span></span>
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<pre style="margin: 0;">+<span id="LC2043" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">dit_rep_tc_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rep_tc_args</span></span>
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<pre style="margin: 0;">+<span id="LC2044" class="line" lang="haskell">                        <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC2045" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">dsm_stock_gen_fn</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_fn</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC2043" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">faminsts</span><span class="p">,</span> <span class="n" style="color: #333;">field_names</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">rep_tc</span> <span class="n" style="color: #333;">inst_tys</span></span>
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<pre style="margin: 0;">+<span id="LC2046" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">faminsts</span><span class="p">,</span> <span class="n" style="color: #333;">field_names</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">rep_tc</span> <span class="n" style="color: #333;"><span class="idiff left">rep_tc_args</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">inst_tys</span></span>
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<pre style="margin: 0;"> <span id="LC2047" class="line" lang="haskell">              <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">binds</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">,</span> <span class="n" style="color: #333;">faminsts</span><span class="p">,</span> <span class="n" style="color: #333;">field_names</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC2048" class="line" lang="haskell"></span>
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2046
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2049
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<pre style="margin: 0;"> <span id="LC2049" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Try DeriveAnyClass</span></span>
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<li id="134bd468c04c1bc43429f10f08db3962e9c56a70">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/b9a880fce484d0a87bb794b9d2d8a73e54819011...44b11bad052eabf43246acba6aab814376b08713#134bd468c04c1bc43429f10f08db3962e9c56a70"><strong>compiler/GHC/Tc/Deriv/Functor.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="151" style="width: 35px; color: rgba(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="151" style="width: 35px; color: rgba(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">@@ -151,10 +151,10 @@ is a similar algorithm for generating `p <$ x` (for some constant `p`):</td>
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151
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<pre style="margin: 0;"> <span id="LC151" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  $(coreplace 'a '(tb -> tc) x) = \(y:tb[b/a]) -> $(coreplace 'a' 'tc' (x $(replace 'a 'tb y)))</span></span>
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<pre style="margin: 0;"> <span id="LC152" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC153" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC154" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Functor_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC154" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Functor_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC155" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- When the argument is phantom, we can use  fmap _ = coerce</span></span>
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<pre style="margin: 0;"> <span id="LC156" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Phantom types with Functor, Foldable, and Traversable]</span></span>
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<pre style="margin: 0;">-<span id="LC157" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Functor_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
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<pre style="margin: 0;">+<span id="LC157" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Functor_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="kr" style="font-weight: 600;"><span class="idiff right">_</span></span></span>
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<pre style="margin: 0;"> <span id="LC158" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Phantom</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">last</span> <span class="p">(</span><span class="n" style="color: #333;">tyConRoles</span> <span class="n" style="color: #333;">tycon</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC159" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="n" style="color: #333;">fmap_bind</span><span class="p">,</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="165" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -165,10 +165,10 @@ gen_Functor_binds loc tycon</td>
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<pre style="margin: 0;"> <span id="LC165" class="line" lang="haskell">                               <span class="n" style="color: #333;">coerce_Expr</span><span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC166" class="line" lang="haskell">    <span class="n" style="color: #333;">fmap_match_ctxt</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkPrefixFunRhs</span> <span class="n" style="color: #333;">fmap_name</span></span>
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167
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<pre style="margin: 0;"> <span id="LC167" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="168" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
168
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<pre style="margin: 0;">-<span id="LC168" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Functor_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="169" style="width: 35px; color: rgba(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="168" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
168
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<pre style="margin: 0;">+<span id="LC168" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Functor_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
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169
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169
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<pre style="margin: 0;"> <span id="LC169" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="p">[</span><span class="n" style="color: #333;">fmap_bind</span><span class="p">,</span> <span class="n" style="color: #333;">replace_bind</span><span class="p">],</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="170" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
170
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170
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<pre style="margin: 0;"> <span id="LC170" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="171" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
171
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<td class="diff-line-num new_line old" data-linenumber="171" style="width: 35px; color: rgba(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="LC171" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">tyConDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="172" style="width: 35px; color: rgba(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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171
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<pre style="margin: 0;">+<span id="LC171" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">getPossibleDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tycon</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="172" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
172
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172
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<pre style="margin: 0;"> <span id="LC172" class="line" lang="haskell">    <span class="n" style="color: #333;">fmap_name</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">fmap_RDR</span></span>
</pre>
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173
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173
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<pre style="margin: 0;"> <span id="LC173" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="174" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
174
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174
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<pre style="margin: 0;"> <span id="LC174" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [EmptyDataDecls with Functor, Foldable, and Traversable]</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="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="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -787,10 +787,10 @@ could surprise users if they switch to other types, but Ryan Scott seems to</td>
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787
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<td class="diff-line-num new_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">
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;">think it's okay to do it for now.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="788" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
788
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<td class="diff-line-num new_line" data-linenumber="788" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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;">-}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="789" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
789
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<td class="diff-line-num new_line" data-linenumber="789" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
789
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<pre style="margin: 0;"> <span id="LC789" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="790" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
790
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<td class="diff-line-num new_line old" data-linenumber="790" style="width: 35px; color: rgba(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="LC790" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Foldable_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_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">
 
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790
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<pre style="margin: 0;">+<span id="LC790" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Foldable_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="791" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
791
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<td class="diff-line-num new_line" data-linenumber="791" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
791
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<pre style="margin: 0;"> <span id="LC791" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- When the parameter is phantom, we can use foldMap _ _ = mempty</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="792" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
792
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<td class="diff-line-num new_line" data-linenumber="792" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
792
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<pre style="margin: 0;"> <span id="LC792" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Phantom types with Functor, Foldable, and Traversable]</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="n" style="color: #333;">gen_Foldable_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</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="n" style="color: #333;">gen_Foldable_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="kr" style="font-weight: 600;"><span class="idiff right">_</span></span></span>
</pre>
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794
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<td class="diff-line-num new_line" data-linenumber="794" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
794
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<pre style="margin: 0;"> <span id="LC794" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Phantom</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">last</span> <span class="p">(</span><span class="n" style="color: #333;">tyConRoles</span> <span class="n" style="color: #333;">tycon</span><span class="p">)</span></span>
</pre>
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795
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795
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<pre style="margin: 0;"> <span id="LC795" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="n" style="color: #333;">foldMap_bind</span><span class="p">,</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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796
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796
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<pre style="margin: 0;"> <span id="LC796" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="801" style="width: 35px; color: rgba(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="801" style="width: 35px; color: rgba(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">@@ -801,7 +801,7 @@ gen_Foldable_binds loc tycon</td>
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801
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801
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<pre style="margin: 0;"> <span id="LC801" class="line" lang="haskell">                                  <span class="n" style="color: #333;">mempty_Expr</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="802" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
802
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802
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<pre style="margin: 0;"> <span id="LC802" class="line" lang="haskell">    <span class="n" style="color: #333;">foldMap_match_ctxt</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkPrefixFunRhs</span> <span class="n" style="color: #333;">foldMap_name</span></span>
</pre>
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803
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803
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<pre style="margin: 0;"> <span id="LC803" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="804" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
804
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<td class="diff-line-num new_line old" data-linenumber="804" style="width: 35px; color: rgba(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="LC804" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Foldable_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="805" style="width: 35px; color: rgba(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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804
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<pre style="margin: 0;">+<span id="LC804" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Foldable_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
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805
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<td class="diff-line-num new_line" data-linenumber="805" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
805
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<pre style="margin: 0;"> <span id="LC805" 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;">data_cons</span>  <span class="c1" style="color: #998; font-style: italic;">-- There's no real point producing anything but</span></span>
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<td class="diff-line-num old_line" data-linenumber="806" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
806
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<td class="diff-line-num new_line" data-linenumber="806" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
806
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<pre style="margin: 0;"> <span id="LC806" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- foldMap for a type with no constructors.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="807" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
807
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<td class="diff-line-num new_line" data-linenumber="807" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
807
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<pre style="margin: 0;"> <span id="LC807" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="n" style="color: #333;">foldMap_bind</span><span class="p">,</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="809" style="width: 35px; color: rgba(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="809" style="width: 35px; color: rgba(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">@@ -809,7 +809,7 @@ gen_Foldable_binds loc tycon</td>
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<td class="diff-line-num old_line" data-linenumber="809" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
809
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<td class="diff-line-num new_line" data-linenumber="809" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
809
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<pre style="margin: 0;"> <span id="LC809" 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="810" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
810
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<td class="diff-line-num new_line" data-linenumber="810" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
810
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<pre style="margin: 0;"> <span id="LC810" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="p">[</span><span class="n" style="color: #333;">foldr_bind</span><span class="p">,</span> <span class="n" style="color: #333;">foldMap_bind</span><span class="p">,</span> <span class="n" style="color: #333;">null_bind</span><span class="p">],</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="811" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
811
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<td class="diff-line-num new_line" data-linenumber="811" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
811
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<pre style="margin: 0;"> <span id="LC811" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="812" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
812
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<td class="diff-line-num new_line old" data-linenumber="812" style="width: 35px; color: rgba(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="LC812" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">tyConDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon</span></span></span>
</pre>
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812
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<pre style="margin: 0;">+<span id="LC812" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">getPossibleDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tycon</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
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813
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813
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<pre style="margin: 0;"> <span id="LC813" class="line" lang="haskell"></span>
</pre>
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814
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814
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<pre style="margin: 0;"> <span id="LC814" class="line" lang="haskell">    <span class="n" style="color: #333;">foldr_bind</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkRdrFunBind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">foldable_foldr_RDR</span><span class="p">)</span> <span class="n" style="color: #333;">eqns</span></span>
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815
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815
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<pre style="margin: 0;"> <span id="LC815" class="line" lang="haskell">    <span class="n" style="color: #333;">eqns</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">foldr_eqn</span> <span class="n" style="color: #333;">data_cons</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1016" style="width: 35px; color: rgba(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="1016" style="width: 35px; color: rgba(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">@@ -1016,10 +1016,10 @@ removes all such types from consideration.</td>
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<td class="diff-line-num old_line" data-linenumber="1016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1016
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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;">See Note [Generated code for DeriveFoldable and DeriveTraversable].</span></span>
</pre>
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1017
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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;">-}</span></span>
</pre>
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1018
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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_line old" data-linenumber="1019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1019" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Traversable_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_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">
 
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1019
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<pre style="margin: 0;">+<span id="LC1019" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Traversable_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1020
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<td class="diff-line-num new_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1020
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<pre style="margin: 0;"> <span id="LC1020" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- When the argument is phantom, we can use traverse = pure . coerce</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1021
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<td class="diff-line-num new_line" data-linenumber="1021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1021
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<pre style="margin: 0;"> <span id="LC1021" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Phantom types with Functor, Foldable, and Traversable]</span></span>
</pre>
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1022
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<td class="diff-line-num new_line old" data-linenumber="1022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1022" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Traversable_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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<td class="diff-line-num new old_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">
 
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1022
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<pre style="margin: 0;">+<span id="LC1022" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Traversable_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="kr" style="font-weight: 600;"><span class="idiff right">_</span></span></span>
</pre>
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1023
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1023
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<pre style="margin: 0;"> <span id="LC1023" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Phantom</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">last</span> <span class="p">(</span><span class="n" style="color: #333;">tyConRoles</span> <span class="n" style="color: #333;">tycon</span><span class="p">)</span></span>
</pre>
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1024
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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="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="n" style="color: #333;">traverse_bind</span><span class="p">,</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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1025
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1025
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<pre style="margin: 0;"> <span id="LC1025" 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="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1031,10 +1031,10 @@ gen_Traversable_binds loc tycon</td>
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1031
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<pre style="margin: 0;"> <span id="LC1031" class="line" lang="haskell">                       <span class="p">(</span><span class="n" style="color: #333;">nlHsApps</span> <span class="n" style="color: #333;">pure_RDR</span> <span class="p">[</span><span class="n" style="color: #333;">nlHsApp</span> <span class="n" style="color: #333;">coerce_Expr</span> <span class="n" style="color: #333;">z_Expr</span><span class="p">])]</span></span>
</pre>
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1032
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<pre style="margin: 0;"> <span id="LC1032" class="line" lang="haskell">    <span class="n" style="color: #333;">traverse_match_ctxt</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkPrefixFunRhs</span> <span class="n" style="color: #333;">traverse_name</span></span>
</pre>
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1033
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1033
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<pre style="margin: 0;"> <span id="LC1033" class="line" lang="haskell"></span>
</pre>
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1034
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<td class="diff-line-num new_line old" data-linenumber="1034" style="width: 35px; color: rgba(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="LC1034" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Traversable_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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<td class="diff-line-num new old_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">
 
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1034
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<pre style="margin: 0;">+<span id="LC1034" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Traversable_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
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1035
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1035
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<pre style="margin: 0;"> <span id="LC1035" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="n" style="color: #333;">traverse_bind</span><span class="p">,</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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1036
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<pre style="margin: 0;"> <span id="LC1036" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1037
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<td class="diff-line-num new_line old" data-linenumber="1037" style="width: 35px; color: rgba(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="LC1037" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">tyConDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon</span></span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC1037" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">getPossibleDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tycon</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
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1038
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<pre style="margin: 0;"> <span id="LC1038" class="line" lang="haskell"></span>
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1039
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1039
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<pre style="margin: 0;"> <span id="LC1039" class="line" lang="haskell">    <span class="n" style="color: #333;">traverse_name</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">traverse_RDR</span></span>
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<pre style="margin: 0;"> <span id="LC1040" class="line" lang="haskell"></span>
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</li>
<li id="3aa56839e36b2219f9ad54f5646ef3005da9c672">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/b9a880fce484d0a87bb794b9d2d8a73e54819011...44b11bad052eabf43246acba6aab814376b08713#3aa56839e36b2219f9ad54f5646ef3005da9c672"><strong>compiler/GHC/Tc/Deriv/Generate.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="33" style="width: 35px; color: rgba(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">@@ -33,7 +33,9 @@ module GHC.Tc.Deriv.Generate (</td>
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkCoerceClassMethEqn</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC34" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">genAuxBinds</span><span class="p">,</span></span>
</pre>
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35
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<pre style="margin: 0;"> <span id="LC35" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">ordOpTbl</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">boxConTbl</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">litConTbl</span><span class="p">,</span></span>
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<td class="diff-line-num old old_line" data-linenumber="36" style="width: 35px; color: rgba(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="LC36" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkRdrFunBind</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkRdrFunBindEC</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkRdrFunBindSE</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">error_Expr</span></span>
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkRdrFunBind</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkRdrFunBindEC</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkRdrFunBindSE</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">error_Expr</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">getPossibleDataCons</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tyConInstArgTys</span></span>
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell">    <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">include</span> <span class="s" style="color: #d14;">"HsVersions.h"</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">@@ -212,14 +214,14 @@ for the instance decl, which it probably wasn't, so the decls</td>
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<pre style="margin: 0;"> <span id="LC214" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">produced don't get through the typechecker.</span></span>
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<pre style="margin: 0;"> <span id="LC215" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC216" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC215" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Eq_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC216" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Eq_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC217" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Eq_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC218" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Eq_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="n" style="color: #333;"><span class="idiff left">tycon_args</span></span><span class="idiff right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC219" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Auxiliary binders]</span></span>
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<pre style="margin: 0;"> <span id="LC220" class="line" lang="haskell">    <span class="n" style="color: #333;">con2tag_RDR</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">new_con2tag_rdr_name</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
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<pre style="margin: 0;"> <span id="LC221" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC222" class="line" lang="haskell">    <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">method_binds</span> <span class="n" style="color: #333;">con2tag_RDR</span><span class="p">,</span> <span class="n" style="color: #333;">aux_binds</span> <span class="n" style="color: #333;">con2tag_RDR</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC223" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC222" class="line" lang="haskell">    <span class="n" style="color: #333;">all_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">tyConDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon</span></span></span>
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<pre style="margin: 0;">+<span id="LC224" class="line" lang="haskell">    <span class="n" style="color: #333;">all_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">getPossibleDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tycon</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
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<pre style="margin: 0;"> <span id="LC225" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">nullary_cons</span><span class="p">,</span> <span class="n" style="color: #333;">non_nullary_cons</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">partition</span> <span class="n" style="color: #333;">isNullarySrcDataCon</span> <span class="n" style="color: #333;">all_cons</span></span>
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<pre style="margin: 0;"> <span id="LC226" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC227" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- If there are ten or more (arbitrary number) nullary constructors,</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">@@ -396,8 +398,8 @@ gtResult OrdGE      = true_Expr</td>
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<pre style="margin: 0;"> <span id="LC398" class="line" lang="haskell"><span class="n" style="color: #333;">gtResult</span> <span class="kt" style="color: #458; font-weight: 600;">OrdGT</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">true_Expr</span></span>
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<pre style="margin: 0;"> <span id="LC399" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC400" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">------------</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC399" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Ord_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC400" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Ord_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC401" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Ord_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC402" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Ord_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="n" style="color: #333;"><span class="idiff left">tycon_args</span></span><span class="idiff right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC403" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Auxiliary binders]</span></span>
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<pre style="margin: 0;"> <span id="LC404" class="line" lang="haskell">    <span class="n" style="color: #333;">con2tag_RDR</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">new_con2tag_rdr_name</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
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<pre style="margin: 0;"> <span id="LC405" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -432,7 +434,7 @@ gen_Ord_binds loc tycon = do</td>
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<pre style="margin: 0;"> <span id="LC434" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- We want *zero-based* tags, because that's what</span></span>
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<pre style="margin: 0;"> <span id="LC435" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- con2Tag returns (generated by untag_Expr)!</span></span>
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<pre style="margin: 0;"> <span id="LC436" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC435" class="line" lang="haskell">    <span class="n" style="color: #333;">tycon_data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">tyConDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon</span></span></span>
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<pre style="margin: 0;">+<span id="LC437" class="line" lang="haskell">    <span class="n" style="color: #333;">tycon_data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">getPossibleDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tycon</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
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<pre style="margin: 0;"> <span id="LC438" class="line" lang="haskell">    <span class="n" style="color: #333;">single_con_type</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">isSingleton</span> <span class="n" style="color: #333;">tycon_data_cons</span></span>
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<pre style="margin: 0;"> <span id="LC439" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">first_con</span> <span class="o" style="font-weight: 600;">:</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tycon_data_cons</span></span>
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<pre style="margin: 0;"> <span id="LC440" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">last_con</span> <span class="o" style="font-weight: 600;">:</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;">tycon_data_cons</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">@@ -646,8 +648,8 @@ instance ... Enum (Foo ...) where</td>
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<pre style="margin: 0;"> <span id="LC648" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">For @enumFromTo@ and @enumFromThenTo@, we use the default methods.</span></span>
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<pre style="margin: 0;"> <span id="LC649" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC650" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC649" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Enum_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC650" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Enum_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC651" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Enum_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC652" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Enum_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="kr" style="font-weight: 600;"><span class="idiff left">_</span></span><span class="idiff right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC653" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Auxiliary binders]</span></span>
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652
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654
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<pre style="margin: 0;"> <span id="LC654" class="line" lang="haskell">    <span class="n" style="color: #333;">con2tag_RDR</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">new_con2tag_rdr_name</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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653
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<td class="diff-line-num new_line" data-linenumber="655" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
655
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<pre style="margin: 0;"> <span id="LC655" class="line" lang="haskell">    <span class="n" style="color: #333;">tag2con_RDR</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">new_tag2con_rdr_name</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="738" style="width: 35px; color: rgba(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="740" style="width: 35px; color: rgba(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">@@ -738,8 +740,8 @@ gen_Enum_binds loc tycon = do</td>
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738
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<td class="diff-line-num new_line" data-linenumber="740" style="width: 35px; color: rgba(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="LC740" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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739
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<td class="diff-line-num new_line" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
741
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<pre style="margin: 0;"> <span id="LC741" 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="742" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
742
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<pre style="margin: 0;"> <span id="LC742" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="743" style="width: 35px; color: rgba(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="LC741" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Bounded_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="742" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="743" style="width: 35px; color: rgba(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="LC742" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Bounded_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
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<pre style="margin: 0;">+<span id="LC743" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Bounded_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="743" style="width: 35px; color: rgba(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="744" style="width: 35px; color: rgba(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="LC744" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Bounded_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="kr" style="font-weight: 600;"><span class="idiff right">_</span></span></span>
</pre>
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743
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<td class="diff-line-num new_line" data-linenumber="745" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
745
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<pre style="margin: 0;"> <span id="LC745" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isEnumerationTyCon</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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744
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<td class="diff-line-num new_line" data-linenumber="746" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
746
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<pre style="margin: 0;"> <span id="LC746" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="p">[</span> <span class="n" style="color: #333;">min_bound_enum</span><span class="p">,</span> <span class="n" style="color: #333;">max_bound_enum</span> <span class="p">],</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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745
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<td class="diff-line-num new_line" data-linenumber="747" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
747
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<pre style="margin: 0;"> <span id="LC747" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="825" style="width: 35px; color: rgba(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="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">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -825,9 +827,9 @@ we follow the scheme given in Figure~19 of the Haskell~1.2 report</td>
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825
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<pre style="margin: 0;"> <span id="LC827" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(p.~147).</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="826" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
826
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<td class="diff-line-num new_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
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<pre style="margin: 0;"> <span id="LC828" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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829
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<pre style="margin: 0;"> <span id="LC829" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="830" style="width: 35px; color: rgba(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="LC828" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Ix_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="829" style="width: 35px; color: rgba(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="830" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
830
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<pre style="margin: 0;">+<span id="LC830" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Ix_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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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
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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>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="830" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
830
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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="LC830" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Ix_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</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="831" style="width: 35px; color: rgba(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="832" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
832
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<pre style="margin: 0;">+<span id="LC832" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Ix_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="kr" style="font-weight: 600;"><span class="idiff left">_</span></span><span class="idiff right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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831
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<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="c1" style="color: #998; font-style: italic;">-- See Note [Auxiliary binders]</span></span>
</pre>
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832
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<td class="diff-line-num new_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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<pre style="margin: 0;"> <span id="LC834" class="line" lang="haskell">    <span class="n" style="color: #333;">con2tag_RDR</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">new_con2tag_rdr_name</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</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="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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<pre style="margin: 0;"> <span id="LC835" class="line" lang="haskell">    <span class="n" style="color: #333;">tag2con_RDR</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">new_tag2con_rdr_name</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1028" style="width: 35px; color: rgba(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="1030" style="width: 35px; color: rgba(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">@@ -1028,10 +1030,10 @@ These instances are also useful for Read (Either Int Emp), where</td>
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1028
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<td class="diff-line-num new_line" data-linenumber="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1030
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<pre style="margin: 0;"> <span id="LC1030" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">we want to be able to parse (Left 3) just fine.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1029
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<td class="diff-line-num new_line" data-linenumber="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1031
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<pre style="margin: 0;"> <span id="LC1031" 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="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1030
</td>
<td class="diff-line-num new_line" data-linenumber="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1032
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<pre style="margin: 0;"> <span id="LC1032" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1031
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<td class="diff-line-num new_line old" data-linenumber="1033" style="width: 35px; color: rgba(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="LC1031" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Read_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Name</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Fixity</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span></span>
</pre>
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<td class="diff-line-num new old_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">
 
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<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;">gen_Read_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Name</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Fixity</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span><span class="idiff left"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></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">Type</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="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1032
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<td class="diff-line-num new_line" data-linenumber="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1034
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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="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1033
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<td class="diff-line-num new_line" data-linenumber="1035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1035
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<pre style="margin: 0;"> <span id="LC1035" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1034
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<td class="diff-line-num new_line old" data-linenumber="1036" style="width: 35px; color: rgba(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="LC1034" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Read_binds</span> <span class="n" style="color: #333;">get_fixity</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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<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="n" style="color: #333;">gen_Read_binds</span> <span class="n" style="color: #333;">get_fixity</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="kr" style="font-weight: 600;"><span class="idiff right">_</span></span></span>
</pre>
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1035
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<td class="diff-line-num new_line" data-linenumber="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1037
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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="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="p">[</span><span class="n" style="color: #333;">read_prec</span><span class="p">,</span> <span class="n" style="color: #333;">default_readlist</span><span class="p">,</span> <span class="n" style="color: #333;">default_readlistprec</span><span class="p">],</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1036
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<td class="diff-line-num new_line" data-linenumber="1038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1038
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<pre style="margin: 0;"> <span id="LC1038" 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="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1037
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<td class="diff-line-num new_line" data-linenumber="1039" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1039
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<pre style="margin: 0;"> <span id="LC1039" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-----------------------------------------------------------------------</span></span>
</pre>
</td>
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<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1212" style="width: 35px; color: rgba(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="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">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1212,13 +1214,13 @@ Example</td>
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<td class="diff-line-num old_line" data-linenumber="1212" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1212
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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="cm" style="color: #998; font-style: italic;">                    -- the most tightly-binding operator</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1213" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1213
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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="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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<td class="diff-line-num old_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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<td class="diff-line-num new_line" data-linenumber="1216" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1216
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<pre style="margin: 0;"> <span id="LC1216" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1215
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<td class="diff-line-num new_line old" data-linenumber="1217" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1215" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Show_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Name</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Fixity</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span></span>
</pre>
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<td class="diff-line-num new old_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">
 
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<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="n" style="color: #333;">gen_Show_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Name</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Fixity</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span><span class="idiff left"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></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">Type</span></span><span class="p"><span class="idiff right">]</span></span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1216" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1216
</td>
<td class="diff-line-num new_line" data-linenumber="1218" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1218
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<pre style="margin: 0;"> <span id="LC1218" 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;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1217" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1217
</td>
<td class="diff-line-num new_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1219
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<pre style="margin: 0;"> <span id="LC1219" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1218" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1218
</td>
<td class="diff-line-num new_line old" data-linenumber="1220" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1218" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Show_binds</span> <span class="n" style="color: #333;">get_fixity</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</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="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1220" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1220
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<pre style="margin: 0;">+<span id="LC1220" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Show_binds</span> <span class="n" style="color: #333;">get_fixity</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1219
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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="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="n" style="color: #333;">shows_prec</span><span class="p">,</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1220" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1220
</td>
<td class="diff-line-num new_line" data-linenumber="1222" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1222
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<pre style="margin: 0;"> <span id="LC1222" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1221" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1221
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<td class="diff-line-num new_line old" data-linenumber="1223" style="width: 35px; color: rgba(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="LC1221" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">tyConDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon</span></span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1222" style="width: 35px; color: rgba(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="1223" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1223
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<pre style="margin: 0;">+<span id="LC1223" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">getPossibleDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tycon</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1224" class="line" lang="haskell">    <span class="n" style="color: #333;">shows_prec</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkFunBindEC</span> <span class="mi" style="color: #099;">2</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">showsPrec_RDR</span> <span class="n" style="color: #333;">id</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">pats_etc</span> <span class="n" style="color: #333;">data_cons</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1223" style="width: 35px; color: rgba(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="LC1225" class="line" lang="haskell">    <span class="n" style="color: #333;">comma_space</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nlHsVar</span> <span class="n" style="color: #333;">showCommaSpace_RDR</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1226" style="width: 35px; color: rgba(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="LC1226" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1385" style="width: 35px; color: rgba(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="1387" style="width: 35px; color: rgba(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">@@ -1385,9 +1387,10 @@ we generate</td>
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<pre style="margin: 0;"> <span id="LC1387" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Data_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1388" style="width: 35px; color: rgba(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="LC1388" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span>                 <span class="c1" style="color: #998; font-style: italic;">-- For data families, this is the</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1389" style="width: 35px; color: rgba(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="LC1389" class="line" lang="haskell">                                        <span class="c1" style="color: #998; font-style: italic;">--  *representation* TyCon</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC1390" 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;">Type</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1391" style="width: 35px; color: rgba(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="LC1391" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span>  <span class="c1" style="color: #998; font-style: italic;">-- The method bindings</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1392" style="width: 35px; color: rgba(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="LC1392" class="line" lang="haskell">                       <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span>   <span class="c1" style="color: #998; font-style: italic;">-- Auxiliary bindings</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1393" style="width: 35px; color: rgba(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="LC1390" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Data_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">rep_tc</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1391" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1393" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC1393" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Data_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">rep_tc</span><span class="idiff left"> </span><span class="kr" style="font-weight: 600;"><span class="idiff right">_</span></span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1394" style="width: 35px; color: rgba(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="LC1394" 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="c1" style="color: #998; font-style: italic;">-- See Note [Auxiliary binders]</span></span>
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<td class="diff-line-num new_line" data-linenumber="1395" style="width: 35px; color: rgba(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="LC1395" class="line" lang="haskell">         <span class="n" style="color: #333;">dataT_RDR</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">new_dataT_rdr_name</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">rep_tc</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1396" style="width: 35px; color: rgba(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="LC1396" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">dataC_RDRs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">traverse</span> <span class="p">(</span><span class="n" style="color: #333;">new_dataC_rdr_name</span> <span class="n" style="color: #333;">loc</span><span class="p">)</span> <span class="n" style="color: #333;">data_cons</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1616" style="width: 35px; color: rgba(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="1619" style="width: 35px; color: rgba(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">@@ -1616,8 +1619,8 @@ Example:</td>
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<pre style="margin: 0;"> <span id="LC1619" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC1620" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1618" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1618
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<td class="diff-line-num new_line" data-linenumber="1621" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1621
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<pre style="margin: 0;"> <span id="LC1621" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1619" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1619
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<td class="diff-line-num new_line old" data-linenumber="1622" style="width: 35px; color: rgba(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="LC1619" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Lift_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1620" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1620
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<td class="diff-line-num new_line old" data-linenumber="1622" style="width: 35px; color: rgba(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="LC1620" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Lift_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="p">[</span><span class="n" style="color: #333;">lift_bind</span><span class="p">,</span> <span class="n" style="color: #333;">liftTyped_bind</span><span class="p">],</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1621" style="width: 35px; color: rgba(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="1622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1622
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<pre style="margin: 0;">+<span id="LC1622" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Lift_binds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <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">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 right"> </span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1621" style="width: 35px; color: rgba(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="1623" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1623
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<pre style="margin: 0;">+<span id="LC1623" class="line" lang="haskell"><span class="n" style="color: #333;">gen_Lift_binds</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tycon</span> <span class="n" style="color: #333;"><span class="idiff left">tycon_args</span></span><span class="idiff right"> </span><span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="p">[</span><span class="n" style="color: #333;">lift_bind</span><span class="p">,</span> <span class="n" style="color: #333;">liftTyped_bind</span><span class="p">],</span> <span class="n" style="color: #333;">emptyBag</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1621" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1621
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<td class="diff-line-num new_line" data-linenumber="1624" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1624
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<pre style="margin: 0;"> <span id="LC1624" 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="1622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1622
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<td class="diff-line-num new_line" data-linenumber="1625" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1625
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<pre style="margin: 0;"> <span id="LC1625" class="line" lang="haskell">    <span class="n" style="color: #333;">lift_bind</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkFunBindEC</span> <span class="mi" style="color: #099;">1</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">lift_RDR</span> <span class="p">(</span><span class="n" style="color: #333;">nlHsApp</span> <span class="n" style="color: #333;">pure_Expr</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1623" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1623
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<td class="diff-line-num new_line" data-linenumber="1626" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1626
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<pre style="margin: 0;"> <span id="LC1626" class="line" lang="haskell">                                 <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">pats_etc</span> <span class="n" style="color: #333;">mk_exp</span><span class="p">)</span> <span class="n" style="color: #333;">data_cons</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1626" style="width: 35px; color: rgba(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="1629" style="width: 35px; color: rgba(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">@@ -1626,7 +1629,7 @@ gen_Lift_binds loc tycon = (listToBag [lift_bind, liftTyped_bind], emptyBag)</td>
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<td class="diff-line-num old_line" data-linenumber="1626" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1626
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<td class="diff-line-num new_line" data-linenumber="1629" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1629
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<pre style="margin: 0;"> <span id="LC1629" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1627" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1627
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<td class="diff-line-num new_line" data-linenumber="1630" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1630
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<pre style="margin: 0;"> <span id="LC1630" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_exp</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ExpBr</span> <span class="n" style="color: #333;">noExtField</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1628
</td>
<td class="diff-line-num new_line" data-linenumber="1631" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1631
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<pre style="margin: 0;"> <span id="LC1631" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_texp</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TExpBr</span> <span class="n" style="color: #333;">noExtField</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1629" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1629
</td>
<td class="diff-line-num new_line old" data-linenumber="1632" style="width: 35px; color: rgba(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="LC1629" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">tyConDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon</span></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="1630" style="width: 35px; color: rgba(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="1632" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1632
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<pre style="margin: 0;">+<span id="LC1632" class="line" lang="haskell">    <span class="n" style="color: #333;">data_cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">getPossibleDataCons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tycon</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tycon_args</span></span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1630" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1630
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<td class="diff-line-num new_line" data-linenumber="1633" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1633
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1633" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="1631" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1631
</td>
<td class="diff-line-num new_line" data-linenumber="1634" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1634
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1634" class="line" lang="haskell">    <span class="n" style="color: #333;">pats_etc</span> <span class="n" style="color: #333;">mk_bracket</span> <span class="n" style="color: #333;">data_con</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1632" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1632
</td>
<td class="diff-line-num new_line" data-linenumber="1635" style="width: 35px; color: rgba(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="LC1635" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="p">([</span><span class="n" style="color: #333;">con_pat</span><span class="p">],</span> <span class="n" style="color: #333;">lift_Expr</span><span class="p">)</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="2518" style="width: 35px; color: rgba(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">@@ -2515,6 +2518,39 @@ newAuxBinderRdrName loc parent occ_fun = do</td>
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<pre style="margin: 0;"> <span id="LC2518" class="line" lang="haskell">  <span class="n" style="color: #333;">uniq</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newUnique</span></span>
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<pre style="margin: 0;"> <span id="LC2519" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">Exact</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkSystemNameAt</span> <span class="n" style="color: #333;">uniq</span> <span class="p">(</span><span class="n" style="color: #333;">occ_fun</span> <span class="p">(</span><span class="n" style="color: #333;">nameOccName</span> <span class="n" style="color: #333;">parent</span><span class="p">))</span> <span class="n" style="color: #333;">loc</span></span>
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<pre style="margin: 0;"> <span id="LC2520" class="line" lang="haskell"></span>
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<td class="diff-line-num new old_line" data-linenumber="2518" style="width: 35px; color: rgba(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="LC2521" class="line" lang="haskell"><span class="cd">-- | @getPossibleDataCons tycon tycon_args@ returns the constructors of @tycon@</span></span>
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<td class="diff-line-num new old_line" data-linenumber="2518" style="width: 35px; color: rgba(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="LC2522" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- whose return types match when checked against @tycon_args@.</span></span>
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<pre style="margin: 0;">+<span id="LC2523" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2524" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Filter out impossible GADT data constructors]</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="2525" style="width: 35px; color: rgba(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="LC2525" class="line" lang="haskell"><span class="n" style="color: #333;">getPossibleDataCons</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</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;">DataCon</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2518" style="width: 35px; color: rgba(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="LC2526" class="line" lang="haskell"><span class="n" style="color: #333;">getPossibleDataCons</span> <span class="n" style="color: #333;">tycon</span> <span class="n" style="color: #333;">tycon_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">filter</span> <span class="n" style="color: #333;">isPossible</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">tyConDataCons</span> <span class="n" style="color: #333;">tycon</span></span>
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<pre style="margin: 0;">+<span id="LC2527" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC2528" class="line" lang="haskell">    <span class="n" style="color: #333;">isPossible</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">not</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">dataConCannotMatch</span> <span class="p">(</span><span class="n" style="color: #333;">tyConInstArgTys</span> <span class="n" style="color: #333;">tycon</span> <span class="n" style="color: #333;">tycon_args</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="2529" style="width: 35px; color: rgba(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="LC2529" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2530" class="line" lang="haskell"><span class="cd">-- | Given a type constructor @tycon@ of arity /n/ and a list of argument types</span></span>
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<pre style="margin: 0;">+<span id="LC2531" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @tycon_args@ of length /m/,</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2532" 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="2518" style="width: 35px; color: rgba(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="LC2533" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2534" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- tyConInstArgTys tycon tycon_args</span></span>
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<td class="diff-line-num new old_line" data-linenumber="2518" style="width: 35px; color: rgba(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="2535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2535
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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="LC2535" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @</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="2518" style="width: 35px; color: rgba(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="2536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2536
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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="LC2536" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</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="2518" style="width: 35px; color: rgba(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="2537" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2537
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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="LC2537" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- returns</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="2518" style="width: 35px; color: rgba(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="2538" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2538
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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="LC2538" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</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="2518" style="width: 35px; color: rgba(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="2539" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2539
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2539" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @</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="2518" style="width: 35px; color: rgba(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="2540" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2540
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<pre style="margin: 0;">+<span id="LC2540" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- [tycon_arg_{1}, tycon_arg_{2}, ..., tycon_arg_{m}, extra_arg_{m+1}, ..., extra_arg_{n}]</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2518" style="width: 35px; color: rgba(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="2541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2541
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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="LC2541" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @</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="2518" style="width: 35px; color: rgba(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="2542" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2542
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2542" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</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="2518" style="width: 35px; color: rgba(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="2543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2543
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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="LC2543" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- where @extra_args@ are distinct type variables.</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num new old_line" data-linenumber="2518" style="width: 35px; color: rgba(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="2544" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2544
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2544" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</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="2518" style="width: 35px; color: rgba(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="2545" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2545
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2545" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Examples:</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="2518" style="width: 35px; color: rgba(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="2546" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2546
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2546" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</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="2518" style="width: 35px; color: rgba(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="2547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2547
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2547" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Given @tycon: Foo a b@ and @tycon_args: [Int, Bool]@, return @[Int, Bool]@.</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2518" style="width: 35px; color: rgba(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="2548" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2548
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2548" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</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="2518" style="width: 35px; color: rgba(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="2549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2549
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2549" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Given @tycon: Foo a b@ and @tycon_args: [Int]@, return @[Int, b]@.</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="2518" style="width: 35px; color: rgba(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="2550" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2550
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2550" class="line" lang="haskell"><span class="n" style="color: #333;">tyConInstArgTys</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</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;">Type</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="2518" style="width: 35px; color: rgba(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="2551" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2551
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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="LC2551" class="line" lang="haskell"><span class="n" style="color: #333;">tyConInstArgTys</span> <span class="n" style="color: #333;">tycon</span> <span class="n" style="color: #333;">tycon_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">chkAppend</span> <span class="n" style="color: #333;">tycon_args</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">mkTyVarTy</span> <span class="n" style="color: #333;">tycon_args_suffix</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="2518" style="width: 35px; color: rgba(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="2552" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2552
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2552" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num new old_line" data-linenumber="2518" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2553" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2553
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<pre style="margin: 0;">+<span id="LC2553" class="line" lang="haskell">    <span class="n" style="color: #333;">tycon_args_suffix</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">drop</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">tycon_args</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">tyConTyVars</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
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2518
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<td class="diff-line-num new_line" data-linenumber="2554" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2554
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<pre style="margin: 0;"> <span id="LC2554" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2519" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2519
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<td class="diff-line-num new_line" data-linenumber="2555" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2555
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<pre style="margin: 0;"> <span id="LC2555" 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="2520" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2520
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<td class="diff-line-num new_line" data-linenumber="2556" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2556
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<pre style="margin: 0;"> <span id="LC2556" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Auxiliary binders]</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2733" style="width: 35px; color: rgba(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="2769" style="width: 35px; color: rgba(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">@@ -2733,4 +2769,56 @@ derived instances within the same module, not separated by any TH splices.</td>
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2733
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<td class="diff-line-num new_line" data-linenumber="2769" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2769
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<pre style="margin: 0;"> <span id="LC2769" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(This is the case described in "Wrinkle: Reducing code duplication".) In</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2734" style="width: 35px; color: rgba(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="2770" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2770
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<pre style="margin: 0;"> <span id="LC2770" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">situation (1), we can at least fall back on GHC's simplifier to pick up</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2735" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2735
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<td class="diff-line-num new_line" data-linenumber="2771" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2771
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<pre style="margin: 0;"> <span id="LC2771" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">genAuxBinds' slack.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2772" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2772
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<pre style="margin: 0;">+<span id="LC2772" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2773" style="width: 35px; color: rgba(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="LC2773" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Filter out impossible GADT data constructors]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2774" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2774
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<pre style="margin: 0;">+<span id="LC2774" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2775" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2775
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<pre style="margin: 0;">+<span id="LC2775" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2776" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2776
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<pre style="margin: 0;">+<span id="LC2776" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Some stock-derivable classes will filter out impossible GADT data constructors,</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2777" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2777
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<pre style="margin: 0;">+<span id="LC2777" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">to rule out problematic constructors when deriving instances. e.g.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2778" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2778
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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="LC2778" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2779" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2779
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<pre style="margin: 0;">+<span id="LC2779" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">```</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2780" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2780
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<pre style="margin: 0;">+<span id="LC2780" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">data Foo a where</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2781" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2781
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<pre style="margin: 0;">+<span id="LC2781" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  X :: Foo Int</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2782" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2782
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<pre style="margin: 0;">+<span id="LC2782" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  Y :: (Bool -> Bool) -> Foo Bool</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2783" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2783
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<pre style="margin: 0;">+<span id="LC2783" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">```</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2784
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<pre style="margin: 0;">+<span id="LC2784" 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="2736" style="width: 35px; color: rgba(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="2785" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2785
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2785" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">when deriving an instance on `Foo Int`, `Y` should be treated as if it didn't</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="2736" style="width: 35px; color: rgba(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="2786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2786
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2786" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">exist in the first place. For instance, if we write</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="2736" style="width: 35px; color: rgba(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="2787" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2787
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2787" 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="2736" style="width: 35px; color: rgba(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="2788" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2788
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2788" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">```</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="2736" style="width: 35px; color: rgba(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="2789" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2789
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2789" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">deriving instance Eq (Foo Int)</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="2736" style="width: 35px; color: rgba(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="2790" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2790
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2790" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">```</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="2736" style="width: 35px; color: rgba(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="2791" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2791
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2791" 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="2736" style="width: 35px; color: rgba(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="2792" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2792
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2792" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">it should generate:</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="2736" style="width: 35px; color: rgba(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="2793" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2793
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2793" 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="2736" style="width: 35px; color: rgba(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="2794" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2794
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2794" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">```</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="2736" style="width: 35px; color: rgba(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="2795" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2795
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2795" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">instance Eq (Foo Int) where</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="2736" style="width: 35px; color: rgba(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="2796" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2796
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2796" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  X == X = True</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2797" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2797
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2797" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">```</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="2736" style="width: 35px; color: rgba(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="2798" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2798
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2798" 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="2736" style="width: 35px; color: rgba(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="2799" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2799
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2799" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Classes that filter constructors:</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="2736" style="width: 35px; color: rgba(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="2800" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2800
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2800" 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="2736" style="width: 35px; color: rgba(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="2801" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2801
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2801" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Eq</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="2736" style="width: 35px; color: rgba(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="2802" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2802
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2802" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Ord</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="2736" style="width: 35px; color: rgba(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="2803" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2803
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2803" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Show</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="2736" style="width: 35px; color: rgba(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="2804" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2804
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2804" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Lift</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="2736" style="width: 35px; color: rgba(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="2805" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2805
</td>
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<pre style="margin: 0;">+<span id="LC2805" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Functor</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2736" style="width: 35px; color: rgba(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="2806" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2806
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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="LC2806" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Foldable</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="2736" style="width: 35px; color: rgba(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="2807" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2807
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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="LC2807" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Traversable</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="2736" style="width: 35px; color: rgba(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="2808" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2808
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2808" 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="2736" style="width: 35px; color: rgba(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="2809" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2809
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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="LC2809" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Classes that do not filter constructors:</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="2736" style="width: 35px; color: rgba(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="2810" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2810
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2810" 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="2736" style="width: 35px; color: rgba(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="2811" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2811
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2811" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Enum: doesn't make sense for GADTs in the first place</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="2736" style="width: 35px; color: rgba(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="2812" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2812
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2812" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Bounded: only makes sense for GADTs with a single constructor</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="2736" style="width: 35px; color: rgba(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="2813" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2813
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2813" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Ix: only makes sense for GADTs with a single constructor</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="2736" style="width: 35px; color: rgba(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="2814" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2814
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2814" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Read: `Read a` returns `a` instead of consumes `a`, so filtering data</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="2736" style="width: 35px; color: rgba(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="2815" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2815
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2815" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  constructors would make this function _more_ partial instead of less</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="2736" style="width: 35px; color: rgba(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="2816" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2816
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2816" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Data: derived implementations of gunfold rely on a constructor-indexing</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="2736" style="width: 35px; color: rgba(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="2817" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2817
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2817" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  scheme that wouldn't work if certain constructors were filtered out</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="2736" style="width: 35px; color: rgba(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="2818" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2818
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2818" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Generic/Generic1: doesn't make sense for GADTs</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="2736" style="width: 35px; color: rgba(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="2819" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2819
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2819" 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="2736" style="width: 35px; color: rgba(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="2820" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2820
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2820" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Classes that do not currently filter constructors may do so in the future, if</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="2736" style="width: 35px; color: rgba(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="2821" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2821
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2821" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">there is a valid use-case and we have requirements for how they should work.</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="2736" style="width: 35px; color: rgba(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="2822" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2822
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2822" 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="2736" style="width: 35px; color: rgba(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="2823" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2823
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2823" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">See #16341 and the T16341.hs test case.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="2736" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2736
</td>
<td class="diff-line-num new_line" data-linenumber="2824" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2824
</td>
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<pre style="margin: 0;"> <span id="LC2824" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span></pre>
</td>
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<br>
</li>
<li id="1e112461bfd65ab9492f37fe37931c1d5ddc5c26">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/b9a880fce484d0a87bb794b9d2d8a73e54819011...44b11bad052eabf43246acba6aab814376b08713#1e112461bfd65ab9492f37fe37931c1d5ddc5c26"><strong>compiler/GHC/Tc/Deriv/Infer.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -260,9 +260,7 @@ inferConstraintsStock (DerivInstTys { dit_cls_tys     = cls_tys</td>
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<pre style="margin: 0;"> <span id="LC260" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- substitute each type variable with its counterpart in the derived</span></span>
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<pre style="margin: 0;"> <span id="LC261" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- instance. rep_tc_args lists each of these counterpart types in</span></span>
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<pre style="margin: 0;"> <span id="LC262" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- the same order as the type variables.</span></span>
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<pre style="margin: 0;">-<span id="LC263" class="line" lang="haskell">           <span class="n" style="color: #333;">all_rep_tc_args</span></span>
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<pre style="margin: 0;">-<span id="LC264" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rep_tc_args</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">mkTyVarTy</span></span>
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<pre style="margin: 0;">-<span id="LC265" class="line" lang="haskell">                                  <span class="p">(</span><span class="n" style="color: #333;">drop</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">rep_tc_args</span><span class="p">)</span> <span class="n" style="color: #333;">rep_tc_tvs</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC263" class="line" lang="haskell">           <span class="n" style="color: #333;">all_rep_tc_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tyConInstArgTys</span> <span class="n" style="color: #333;">rep_tc</span> <span class="n" style="color: #333;">rep_tc_args</span></span>
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<pre style="margin: 0;"> <span id="LC264" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC265" class="line" lang="haskell">               <span class="c1" style="color: #998; font-style: italic;">-- Stupid constraints</span></span>
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<pre style="margin: 0;"> <span id="LC266" class="line" lang="haskell">           <span class="n" style="color: #333;">stupid_constraints</span></span>
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<li id="e9a44bb2cab837a54e2701986ac773e814e49eab">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/b9a880fce484d0a87bb794b9d2d8a73e54819011...44b11bad052eabf43246acba6aab814376b08713#e9a44bb2cab837a54e2701986ac773e814e49eab"><strong>compiler/GHC/Tc/Deriv/Utils.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC218" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- instance, including what type constructor the last argument is</span></span>
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<pre style="margin: 0;"> <span id="LC219" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- headed by. See @Note [DerivEnv and DerivSpecMechanism]@.</span></span>
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<pre style="margin: 0;"> <span id="LC220" class="line" lang="haskell">    <span class="p">,</span> <span class="n" style="color: #333;">dsm_stock_gen_fn</span> <span class="o" style="font-weight: 600;">::</span></span>
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<pre style="margin: 0;">-<span id="LC221" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span></span>
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<pre style="margin: 0;">-<span id="LC222" 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;">Type</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC221" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span>  <span class="c1" style="color: #998; font-style: italic;">-- dit_rep_tc</span></span>
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<pre style="margin: 0;">+<span id="LC222" 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;">Type</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- dit_rep_tc_args</span></span>
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<pre style="margin: 0;">+<span id="LC223" 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;">Type</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- inst_tys</span></span>
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<pre style="margin: 0;"> <span id="LC224" class="line" lang="haskell">                <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">])</span></span>
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<pre style="margin: 0;"> <span id="LC225" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- ^ This function returns three things:</span></span>
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<pre style="margin: 0;"> <span id="LC226" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -424,7 +425,7 @@ instance Outputable DerivContext where</td>
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<pre style="margin: 0;"> <span id="LC425" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See @Note [Deriving strategies]@ in "GHC.Tc.Deriv".</span></span>
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<pre style="margin: 0;"> <span id="LC426" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">OriginativeDerivStatus</span></span>
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<pre style="margin: 0;"> <span id="LC427" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CanDeriveStock</span>            <span class="c1" style="color: #998; font-style: italic;">-- Stock class, can derive</span></span>
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<pre style="margin: 0;">-<span id="LC427" class="line" lang="haskell">      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC428" class="line" lang="haskell">      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span><span class="idiff left"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></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">Type</span></span><span class="p"><span class="idiff right">]</span></span></span>
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<pre style="margin: 0;"> <span id="LC429" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">]))</span></span>
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<pre style="margin: 0;"> <span id="LC430" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">StockClassError</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span>      <span class="c1" style="color: #998; font-style: italic;">-- Stock class, but can't do it</span></span>
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<pre style="margin: 0;"> <span id="LC431" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">CanDeriveAnyClass</span>         <span class="c1" style="color: #998; font-style: italic;">-- See Note [Deriving any class]</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="563" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -563,6 +564,7 @@ hasStockDeriving</td>
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<pre style="margin: 0;"> <span id="LC564" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Class</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span></span>
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<pre style="margin: 0;"> <span id="LC565" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span></span>
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<pre style="margin: 0;"> <span id="LC566" 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;">Type</span><span class="p">]</span></span>
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<td class="diff-line-num new new_line" data-linenumber="567" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
567
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<pre style="margin: 0;">+<span id="LC567" 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;">Type</span><span class="p">]</span></span>
</pre>
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566
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<td class="diff-line-num new_line" data-linenumber="568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
568
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<pre style="margin: 0;"> <span id="LC568" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">]))</span></span>
</pre>
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567
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<td class="diff-line-num new_line" data-linenumber="569" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
569
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<pre style="margin: 0;"> <span id="LC569" class="line" lang="haskell"><span class="n" style="color: #333;">hasStockDeriving</span> <span class="n" style="color: #333;">clas</span></span>
</pre>
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568
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<td class="diff-line-num new_line" data-linenumber="570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
570
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<pre style="margin: 0;"> <span id="LC570" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">assocMaybe</span> <span class="n" style="color: #333;">gen_list</span> <span class="p">(</span><span class="n" style="color: #333;">getUnique</span> <span class="n" style="color: #333;">clas</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="571" style="width: 35px; color: rgba(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">@@ -571,6 +573,7 @@ hasStockDeriving clas</td>
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571
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<td class="diff-line-num 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">
573
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<pre style="margin: 0;"> <span id="LC573" 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;">Unique</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="572" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
572
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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">
574
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<pre style="margin: 0;"> <span id="LC574" class="line" lang="haskell">                   <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span></span>
</pre>
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573
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<td class="diff-line-num new_line" data-linenumber="575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
575
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<pre style="margin: 0;"> <span id="LC575" class="line" lang="haskell">                   <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="574" style="width: 35px; color: rgba(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="576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num old_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">
574
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<td class="diff-line-num new_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
577
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<pre style="margin: 0;"> <span id="LC577" class="line" lang="haskell">                   <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">BagDerivStuff</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">]))]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
575
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<td class="diff-line-num new_line" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
578
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<pre style="margin: 0;"> <span id="LC578" class="line" lang="haskell">    <span class="n" style="color: #333;">gen_list</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span> <span class="p">(</span><span class="n" style="color: #333;">eqClassKey</span><span class="p">,</span>          <span class="n" style="color: #333;">simpleM</span> <span class="n" style="color: #333;">gen_Eq_binds</span><span class="p">)</span></span>
</pre>
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576
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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="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">ordClassKey</span><span class="p">,</span>         <span class="n" style="color: #333;">simpleM</span> <span class="n" style="color: #333;">gen_Ord_binds</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="587" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="590" style="width: 35px; color: rgba(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">@@ -587,25 +590,25 @@ hasStockDeriving clas</td>
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587
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<td class="diff-line-num new_line" data-linenumber="590" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
590
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<pre style="margin: 0;"> <span id="LC590" class="line" lang="haskell">               <span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">genClassKey</span><span class="p">,</span>         <span class="n" style="color: #333;">generic</span> <span class="p">(</span><span class="n" style="color: #333;">gen_Generic_binds</span> <span class="kt" style="color: #458; font-weight: 600;">Gen0</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
588
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<td class="diff-line-num new_line" data-linenumber="591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
591
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<pre style="margin: 0;"> <span id="LC591" class="line" lang="haskell">               <span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">gen1ClassKey</span><span class="p">,</span>        <span class="n" style="color: #333;">generic</span> <span class="p">(</span><span class="n" style="color: #333;">gen_Generic_binds</span> <span class="kt" style="color: #458; font-weight: 600;">Gen1</span><span class="p">))</span> <span class="p">]</span></span>
</pre>
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589
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<td class="diff-line-num new_line" data-linenumber="592" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
592
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<pre style="margin: 0;"> <span id="LC592" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="590" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="593" style="width: 35px; color: rgba(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="LC590" class="line" lang="haskell">    <span class="n" style="color: #333;">simple</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span> <span class="kr" style="font-weight: 600;">_</span></span>
</pre>
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591
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<pre style="margin: 0;">-<span id="LC591" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="592" style="width: 35px; color: rgba(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="593" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
593
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<pre style="margin: 0;">+<span id="LC593" class="line" lang="haskell">    <span class="n" style="color: #333;">simple</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;"><span class="idiff left">tc_args</span></span><span class="idiff right"> </span><span class="kr" style="font-weight: 600;">_</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="592" style="width: 35px; color: rgba(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="594" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
594
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<pre style="margin: 0;">+<span id="LC594" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tc_args</span></span></span>
</pre>
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592
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<td class="diff-line-num new_line" data-linenumber="595" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
595
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<pre style="margin: 0;"> <span id="LC595" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span></span>
</pre>
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593
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<td class="diff-line-num new_line" data-linenumber="596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
596
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<pre style="margin: 0;"> <span id="LC596" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="594" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
594
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<td class="diff-line-num new_line" data-linenumber="597" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
597
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<pre style="margin: 0;"> <span id="LC597" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Like `simple`, but monadic. The only monadic thing that these functions</span></span>
</pre>
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595
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<td class="diff-line-num new_line" data-linenumber="598" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
598
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<pre style="margin: 0;"> <span id="LC598" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- do is allocate new Uniques, which are used for generating the names of</span></span>
</pre>
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596
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<td class="diff-line-num new_line" data-linenumber="599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
599
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<pre style="margin: 0;"> <span id="LC599" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- auxiliary bindings.</span></span>
</pre>
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597
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<td class="diff-line-num new_line" data-linenumber="600" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
600
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<pre style="margin: 0;"> <span id="LC600" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Auxiliary binders] in GHC.Tc.Deriv.Generate.</span></span>
</pre>
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598
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<td class="diff-line-num new_line old" data-linenumber="601" style="width: 35px; color: rgba(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="LC598" class="line" lang="haskell">    <span class="n" style="color: #333;">simpleM</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span> <span class="kr" style="font-weight: 600;">_</span></span>
</pre>
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599
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<td class="diff-line-num new_line old" data-linenumber="601" style="width: 35px; color: rgba(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="LC599" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
601
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<pre style="margin: 0;">+<span id="LC601" class="line" lang="haskell">    <span class="n" style="color: #333;">simpleM</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;"><span class="idiff left">tc_args</span></span><span class="idiff right"> </span><span class="kr" style="font-weight: 600;">_</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="602" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
602
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<pre style="margin: 0;">+<span id="LC602" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tc_args</span></span></span>
</pre>
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600
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<td class="diff-line-num new_line" data-linenumber="603" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
603
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<pre style="margin: 0;"> <span id="LC603" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
601
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<td class="diff-line-num new_line" data-linenumber="604" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
604
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<pre style="margin: 0;"> <span id="LC604" class="line" lang="haskell"></span>
</pre>
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602
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<td class="diff-line-num new_line old" data-linenumber="605" style="width: 35px; color: rgba(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="LC602" class="line" lang="haskell">    <span class="n" style="color: #333;">read_or_show</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span> <span class="kr" style="font-weight: 600;">_</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="603" style="width: 35px; color: rgba(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="605" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
605
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<pre style="margin: 0;">+<span id="LC605" class="line" lang="haskell">    <span class="n" style="color: #333;">read_or_show</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;"><span class="idiff left">tc_args</span></span><span class="idiff right"> </span><span class="kr" style="font-weight: 600;">_</span></span>
</pre>
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603
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<td class="diff-line-num new_line" data-linenumber="606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
606
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<pre style="margin: 0;"> <span id="LC606" 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;">fix_env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getDataConFixityFun</span> <span class="n" style="color: #333;">tc</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="604" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
604
</td>
<td class="diff-line-num new_line old" data-linenumber="607" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC604" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">fix_env</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="605" style="width: 35px; color: rgba(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="607" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
607
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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="LC607" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">fix_env</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">tc</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tc_args</span></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="605" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
605
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<td class="diff-line-num new_line" data-linenumber="608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
608
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<pre style="margin: 0;"> <span id="LC608" class="line" lang="haskell">                 <span class="n" style="color: #333;">field_names</span>          <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">all_field_names</span> <span class="n" style="color: #333;">tc</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
606
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<td class="diff-line-num new_line" data-linenumber="609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
609
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<pre style="margin: 0;"> <span id="LC609" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_stuff</span><span class="p">,</span> <span class="n" style="color: #333;">field_names</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="607" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
607
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<td class="diff-line-num new_line" data-linenumber="610" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
610
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<pre style="margin: 0;"> <span id="LC610" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
608
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<td class="diff-line-num new_line old" data-linenumber="611" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC608" class="line" lang="haskell">    <span class="n" style="color: #333;">generic</span> <span class="n" style="color: #333;">gen_fn</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">inst_tys</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="609" style="width: 35px; color: rgba(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="611" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
611
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<pre style="margin: 0;">+<span id="LC611" class="line" lang="haskell">    <span class="n" style="color: #333;">generic</span> <span class="n" style="color: #333;">gen_fn</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">tc</span> <span class="kr" style="font-weight: 600;"><span class="idiff left">_</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">inst_tys</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
609
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<td class="diff-line-num new_line" data-linenumber="612" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
612
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC612" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">faminst</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">gen_fn</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">inst_tys</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="610" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
610
</td>
<td class="diff-line-num new_line" data-linenumber="613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
613
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<pre style="margin: 0;"> <span id="LC613" class="line" lang="haskell">           <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">field_names</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">all_field_names</span> <span class="n" style="color: #333;">tc</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="611" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
611
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<td class="diff-line-num new_line" data-linenumber="614" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
614
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<pre style="margin: 0;"> <span id="LC614" 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;">binds</span><span class="p">,</span> <span class="n" style="color: #333;">unitBag</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DerivFamInst</span> <span class="n" style="color: #333;">faminst</span><span class="p">),</span> <span class="n" style="color: #333;">field_names</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
</td>
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</table>
<br>
</li>
<li id="43adf67d08cd51216ccbf5dcefe8b5327baa188c">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/b9a880fce484d0a87bb794b9d2d8a73e54819011...44b11bad052eabf43246acba6aab814376b08713#43adf67d08cd51216ccbf5dcefe8b5327baa188c"><strong>testsuite/tests/deriving/should_compile/T16341.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 new old_line" data-linenumber="0" style="width: 35px; color: rgba(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="1" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE DeriveFunctor #-}</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(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="2" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE DeriveFoldable #-}</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE DeriveLift #-}</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(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="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE DeriveTraversable #-}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(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="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
5
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE FlexibleInstances #-}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(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="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
6
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE GADTs #-}</span></span>
</pre>
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7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE StandaloneDeriving #-}</span></span>
</pre>
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8
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"></span>
</pre>
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9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">T16341</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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10
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"></span>
</pre>
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11
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Language.Haskell.TH.Syntax</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Lift</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
12
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"></span>
</pre>
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13
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="n" style="color: #333;">a</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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14
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">Foo1</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
15
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">Foo2</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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16
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- These instances should work whether or not `Foo2` is a constructor in</span></span>
</pre>
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18
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- `Foo`, because the `Foo Int` designation precludes `Foo2` from being</span></span>
</pre>
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19
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- a reachable constructor</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Show</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
21
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="22" style="width: 35px; color: rgba(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="LC22" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Ord</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Lift</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="24" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
24
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell"></span>
</pre>
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25
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">b</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="diff-line-num new new_line" data-linenumber="26" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
26
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<pre style="margin: 0;">+<span id="LC26" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">Bar1</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="n" style="color: #333;">b</span></span>
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<td class="diff-line-num new new_line" data-linenumber="27" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
27
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<pre style="margin: 0;">+<span id="LC27" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">Bar2</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="n" style="color: #333;">b</span></span>
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<td class="diff-line-num new new_line" data-linenumber="28" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
28
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="29" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
29
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<pre style="margin: 0;">+<span id="LC29" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Functor</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(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="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
30
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Foldable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
31
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<pre style="margin: 0;">+<span id="LC31" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Traversable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span></span></pre>
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</li>
<li id="e7bc29da08da2be1b3bd264c751322dc3e8c1905">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/b9a880fce484d0a87bb794b9d2d8a73e54819011...44b11bad052eabf43246acba6aab814376b08713#e7bc29da08da2be1b3bd264c751322dc3e8c1905"><strong>testsuite/tests/deriving/should_compile/all.T</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="118" style="width: 35px; color: rgba(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="118" style="width: 35px; color: rgba(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">@@ -118,6 +118,7 @@ test('T15398', normal, compile, [''])</td>
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118
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118
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<pre style="margin: 0;"> <span id="LC118" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T15637</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span> <span class="p">[''])</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
119
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<td class="diff-line-num new_line" data-linenumber="119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
119
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<pre style="margin: 0;"> <span id="LC119" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T15831</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span> <span class="p">[''])</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
120
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<td class="diff-line-num new_line" data-linenumber="120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
120
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<pre style="margin: 0;"> <span id="LC120" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T16179</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span> <span class="p">[''])</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="121" style="width: 35px; color: rgba(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="LC121" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T16341</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span> <span class="p">[''])</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="122" style="width: 35px; color: rgba(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="LC122" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T16518</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span> <span class="p">[''])</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
122
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<td class="diff-line-num new_line" data-linenumber="123" style="width: 35px; color: rgba(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="LC123" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17324</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span> <span class="p">[''])</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
123
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<td class="diff-line-num new_line" data-linenumber="124" style="width: 35px; color: rgba(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="LC124" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17339</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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