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<h3>
Shayne Fletcher pushed to branch wip/T18599
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/6b893ad5175633aab14388c2e9b30e17ddc1a116">6b893ad5</a></strong>
<div>
<span>by Shayne Fletcher</span>
<i>at 2020-09-07T20:49:37-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Don't use parser monad in fbinds
</pre>
</li>
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<h4>1 changed file:</h4>
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<li class="file-stats">
<a href="#bf951467d4a9aa443cb109cb4c84a2891945649b">
compiler/GHC/Parser.y
</a>
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<h4>Changes:</h4>
<li id="bf951467d4a9aa443cb109cb4c84a2891945649b">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6b893ad5175633aab14388c2e9b30e17ddc1a116#bf951467d4a9aa443cb109cb4c84a2891945649b"><strong>compiler/GHC/Parser.y</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">@@ -2717,12 +2717,13 @@ aexp    :: { ECP }</td>
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<pre style="margin: 0;"> <span id="LC2717" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">aexp1</span>                 <span class="p">{</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC2718" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC2719" class="line" lang="haskell"><span class="n" style="color: #333;">aexp1</span>   <span class="o" style="font-weight: 600;">::</span> <span class="p">{</span> <span class="kt" style="color: #458; font-weight: 600;">ECP</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC2720" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">aexp1</span> <span class="sc" style="color: #d14;">'{'</span> <span class="n" style="color: #333;">fbinds</span> <span class="sc" style="color: #d14;">'}'</span> <span class="p">{</span> <span class="kt" style="color: #458; font-weight: 600;">ECP</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;">-<span id="LC2721" class="line" lang="haskell">                                  <span class="n" style="color: #333;">getBit</span> <span class="kt" style="color: #458; font-weight: 600;">RecordDotSyntaxBit</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">dot</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">-<span id="LC2722" class="line" lang="haskell">                                  <span class="n" style="color: #333;">unECP</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">-<span id="LC2723" class="line" lang="haskell">                                  <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">-<span id="LC2724" class="line" lang="haskell">                                  <span class="n" style="color: #333;">amms</span> <span class="p">(</span><span class="n" style="color: #333;">mkHsRecordPV</span> <span class="n" style="color: #333;">dot</span> <span class="p">(</span><span class="n" style="color: #333;">comb2</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">$></span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">comb2</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">2</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">4</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="p">(</span><span class="n" style="color: #333;">snd</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC2725" class="line" lang="haskell">                                       <span class="p">(</span><span class="n" style="color: #333;">moc</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">2</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">mcc</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">4</span><span class="o" style="font-weight: 600;">:</span><span class="p">(</span><span class="n" style="color: #333;">fst</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span><span class="p">))</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC2720" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">aexp1</span> <span class="sc" style="color: #d14;">'{'</span> <span class="n" style="color: #333;">fbinds</span> <span class="sc" style="color: #d14;">'}'</span> <span class="p">{</span><span class="o" style="font-weight: 600;">%</span> <span class="n" style="color: #333;">getBit</span> <span class="kt" style="color: #458; font-weight: 600;">RecordDotSyntaxBit</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">dot</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">+<span id="LC2721" class="line" lang="haskell">                                  <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ECP</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;">+<span id="LC2722" class="line" lang="haskell">                                    <span class="n" style="color: #333;">unECP</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">+<span id="LC2723" class="line" lang="haskell">                                    <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">+<span id="LC2724" class="line" lang="haskell">                                    <span class="n" style="color: #333;">amms</span> <span class="p">(</span><span class="n" style="color: #333;">mkHsRecordPV</span> <span class="n" style="color: #333;">dot</span> <span class="p">(</span><span class="n" style="color: #333;">comb2</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">$></span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">comb2</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">2</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">4</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="p">(</span><span class="n" style="color: #333;">snd</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC2725" class="line" lang="haskell">                                         <span class="p">(</span><span class="n" style="color: #333;">moc</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">2</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">mcc</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">4</span><span class="o" style="font-weight: 600;">:</span><span class="p">(</span><span class="n" style="color: #333;">fst</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC2726" class="line" lang="haskell">                                  <span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC2727" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">aexp2</span>                <span class="p">{</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC2728" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC2729" class="line" lang="haskell"><span class="n" style="color: #333;">aexp2</span>   <span class="o" style="font-weight: 600;">::</span> <span class="p">{</span> <span class="kt" style="color: #458; font-weight: 600;">ECP</span> <span class="p">}</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3239,8 +3240,7 @@ fbinds1 :: { forall b. DisambECP b => PV ([AddAnn],([Fbind b], Maybe SrcSpan)) }</td>
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<pre style="margin: 0;"> <span id="LC3240" class="line" lang="haskell"><span class="n" style="color: #333;">fbind</span>   <span class="o" style="font-weight: 600;">::</span> <span class="p">{</span> <span class="n" style="color: #333;">forall</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;">DisambECP</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;">PV</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC3241" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">qvar</span> <span class="sc" style="color: #d14;">'='</span> <span class="n" style="color: #333;">texp</span>  <span class="p">{</span> <span class="n" style="color: #333;">unECP</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;"> <span id="LC3242" class="line" lang="haskell">                           <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="p">(</span><span class="n" style="color: #333;">sLL</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">$></span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">HsRecField</span> <span class="p">(</span><span class="n" style="color: #333;">sL1</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkFieldOcc</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span> <span class="kt" style="color: #458; font-weight: 600;">False</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC3242" class="line" lang="haskell">                           <span class="c1" style="color: #998; font-style: italic;">-- ams  (Fbind (sLL $1 $> $ HsRecField (sL1 $1 $ mkFieldOcc $1) $3 False))</span></span>
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<pre style="margin: 0;">-<span id="LC3243" class="line" lang="haskell">                           <span class="c1" style="color: #998; font-style: italic;">--      [mj AnnEqual $2]</span></span>
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<pre style="margin: 0;">+<span id="LC3243" class="line" lang="haskell">                            <span class="c1" style="color: #998; font-style: italic;">-- ams (sLL $1 $> $ HsRecField (sL1 $1 $ mkFieldOcc $1) $3 False) [mj AnnEqual $2]</span></span>
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<pre style="margin: 0;"> <span id="LC3244" class="line" lang="haskell">                          <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC3245" class="line" lang="haskell">                        <span class="c1" style="color: #998; font-style: italic;">-- RHS is a 'texp', allowing view patterns (#6038)</span></span>
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<pre style="margin: 0;"> <span id="LC3246" class="line" lang="haskell">                        <span class="c1" style="color: #998; font-style: italic;">-- and, incidentally, sections.  Eg</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3255,26 +3255,16 @@ fbind   :: { forall b. DisambECP b => PV (Fbind b) }</td>
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<pre style="margin: 0;"> <span id="LC3255" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- See Note [Whitespace-sensitive operator parsing] in Lexer.x</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC3256" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">field</span> <span class="kt" style="color: #458; font-weight: 600;">TIGHT_INFIX_PROJ</span> <span class="n" style="color: #333;">fieldToUpdate</span> <span class="sc" style="color: #d14;">'='</span> <span class="n" style="color: #333;">texp</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC3257" class="line" lang="haskell">           <span class="p">{</span> <span class="n" style="color: #333;">unECP</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">5</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">5</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="3258" style="width: 35px; color: rgba(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="LC3258" class="line" lang="haskell">             <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="p">(</span><span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">reverse</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">5</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">up</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="3258" style="width: 35px; color: rgba(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="LC3259" class="line" lang="haskell">             <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="n" style="color: #333;">up</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC3258" class="line" lang="haskell">             <span class="n" style="color: #333;">fmap</span> <span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="p">(</span><span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">reverse</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">5</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC3259" class="line" lang="haskell">           <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC3260" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC3261" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- See Note [Whitespace-sensitive operator parsing] in Lexer.x</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC3262" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">field</span> <span class="kt" style="color: #458; font-weight: 600;">TIGHT_INFIX_PROJ</span> <span class="n" style="color: #333;">fieldToUpdate</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC3263" class="line" lang="haskell">           <span class="p">{</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">{</span> <span class="p">;</span> <span class="n" style="color: #333;">top</span> <span class="o" style="font-weight: 600;">=</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">1</span></span>
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<pre style="margin: 0;"> <span id="LC3264" class="line" lang="haskell">                   <span class="p">;</span> <span class="n" style="color: #333;">fields</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">top</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">reverse</span> <span class="o" style="font-weight: 600;">$</span><span class="mi" style="color: #099;">3</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC3266" class="line" lang="haskell">                   <span class="p">;</span> <span class="n" style="color: #333;">final</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">last</span> <span class="n" style="color: #333;">fields</span> <span class="p">}</span></span>
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<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(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="LC3267" class="line" lang="haskell">             <span class="kr" style="font-weight: 600;">in</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3268" style="width: 35px; color: rgba(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="LC3268" class="line" lang="haskell">                <span class="n" style="color: #333;">getBit</span> <span class="kt" style="color: #458; font-weight: 600;">RecordPunsBit</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">puns</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3269" style="width: 35px; color: rgba(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="3265" style="width: 35px; color: rgba(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="LC3269" class="line" lang="haskell">                <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">puns</span></span>
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3270
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<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(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="LC3270" class="line" lang="haskell">                  <span class="kr" style="font-weight: 600;">then</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="3271" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3271
</td>
<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(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="LC3271" class="line" lang="haskell">                    <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkRdrUnqual</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">mkVarOcc</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">unpackFS</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">unLoc</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">final</span> <span class="kr" style="font-weight: 600;">in</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3272" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3272
</td>
<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(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="LC3272" class="line" lang="haskell">                    <span class="n" style="color: #333;">mkHsVarPV</span> <span class="p">(</span><span class="n" style="color: #333;">noLoc</span> <span class="n" style="color: #333;">arg</span><span class="p">)</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">var</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="3273" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3273
</td>
<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(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="LC3273" class="line" lang="haskell">                    <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="n" style="color: #333;">fields</span> <span class="n" style="color: #333;">var</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">up</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="3274" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3274
</td>
<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC3274" class="line" lang="haskell">                    <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="n" style="color: #333;">up</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="3275" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3275
</td>
<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(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="LC3275" class="line" lang="haskell">                  <span class="kr" style="font-weight: 600;">else</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="3276" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3276
</td>
<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(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="LC3276" class="line" lang="haskell">                    <span class="n" style="color: #333;">addFatalError</span> <span class="n" style="color: #333;">noSrcSpan</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="3277" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
3277
</td>
<td class="diff-line-num new_line old" data-linenumber="3265" style="width: 35px; color: rgba(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="LC3277" class="line" lang="haskell">                      <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"For this to work, enable NamedFieldPuns."</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="3278" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="3265" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3265
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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="LC3265" class="line" lang="haskell">                   <span class="p">;</span> <span class="n" style="color: #333;">final</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">last</span> <span class="n" style="color: #333;">fields</span> <span class="p">}</span> <span class="kr" style="font-weight: 600;">in</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="3278" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="3266" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3266
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<pre style="margin: 0;">+<span id="LC3266" class="line" lang="haskell">             <span class="n" style="color: #333;">mkHsVarPV</span> <span class="p">(</span><span class="n" style="color: #333;">noLoc</span> <span class="p">(</span><span class="n" style="color: #333;">mkRdrUnqual</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">mkVarOcc</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">unpackFS</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">unLoc</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">final</span><span class="p">))</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">var</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="3278" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="3267" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3267
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<pre style="margin: 0;">+<span id="LC3267" class="line" lang="haskell">             <span class="n" style="color: #333;">fmap</span> <span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="p">(</span><span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="n" style="color: #333;">fields</span> <span class="n" style="color: #333;">var</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="3278" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3278
</td>
<td class="diff-line-num new_line" data-linenumber="3268" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3268
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<pre style="margin: 0;"> <span id="LC3268" class="line" lang="haskell">          <span class="p">}</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="3279" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3279
</td>
<td class="diff-line-num new_line" data-linenumber="3269" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3269
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC3269" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="3280" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3280
</td>
<td class="diff-line-num new_line" data-linenumber="3270" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
3270
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC3270" class="line" lang="haskell"><span class="n" style="color: #333;">fieldToUpdate</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">{</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span><span class="p">]</span> <span class="p">}</span></span>
</pre>
</td>
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