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<h3>

Simon Jakobi pushed to branch wip/sjakobi/nondetfolds

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/286c1dd9b9194c216692aa7e5941e618df788e4d">286c1dd9</a></strong>

<div>

<span>by Simon Jakobi</span>

<i>at 2020-04-02T02:50:13+02:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use the argument order of the deterministic folds

</pre>

</li>

<li>

<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/960b9951fc20ceafe61798c2a2f5b1f2caa809fe">960b9951</a></strong>

<div>

<span>by Simon Jakobi</span>

<i>at 2020-04-02T02:58:53+02:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use strict folds in GraphOps

</pre>

</li>

</ul>

<h4>18 changed files:</h4>

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<a href="#3aba9ceb20d68f25343fe3a27b2b7a4f8fea68da">

compiler/GHC/CmmToAsm/Reg/Graph/SpillClean.hs

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<li class="file-stats">

<a href="#91648438362e5a35363d2bb7abb04016dedd7d7e">

compiler/GHC/Core/FamInstEnv.hs

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<li class="file-stats">

<a href="#9e2ce77a946950b2d19d75c55f671c048a5645bd">

compiler/GHC/Core/Op/OccurAnal.hs

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<li class="file-stats">

<a href="#de7d9d388885ce6e3a45a39fac6e2c36a7f94f69">

compiler/GHC/Core/Op/SetLevels.hs

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<li class="file-stats">

<a href="#d52bc1e90d7432064a2998de2a2751b6fecb7680">

compiler/GHC/Core/Op/Specialise.hs

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<li class="file-stats">

<a href="#89a2e0e1a3095c7a42b10f2819049908908080e8">

compiler/GHC/Core/Unify.hs

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<a href="#9e7e910f99e3a46d2caa3b0102d7481a88f80960">

compiler/GHC/Rename/Source.hs

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<a href="#657eec52eed3c8be846a0b60eb6088d5f465de8a">

compiler/GHC/Stg/Lift/Analysis.hs

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<a href="#266bc13b57ed8c43a461b6d9a429c917879e16b4">

compiler/GHC/Types/Unique/DFM.hs

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<li class="file-stats">

<a href="#dd1734ed93e4694f773dd468a1855524e6bbca0f">

compiler/GHC/Types/Unique/DSet.hs

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<a href="#b0b25f424f682f899323d3f74070dbe8fd59628e">

compiler/GHC/Types/Unique/FM.hs

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<a href="#71ee8226465c3f394f18d0bddd00077942947740">

compiler/GHC/Types/Unique/Set.hs

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<a href="#07e36027465263e8b90313979f12e1f4a9ce64a5">

compiler/GHC/Types/Var/Env.hs

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<a href="#8fa3c53ff1558af938c045405b5e177c50e91308">

compiler/GHC/Types/Var/Set.hs

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<li class="file-stats">

<a href="#89165943f253c43100bca06548eba40ff0519ca5">

compiler/typecheck/TcEvidence.hs

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<li class="file-stats">

<a href="#75d517f701402b106e4d98d255eb24b57ba72aab">

compiler/typecheck/TcSimplify.hs

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<li class="file-stats">

<a href="#341fd962c5f2c9fcf8be3dbdaa9a14ee1538af07">

compiler/typecheck/TcType.hs

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<li class="file-stats">

<a href="#fadb1ee8bcf9d6112f1216f52f995b0298a593b2">

compiler/utils/GraphOps.hs

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<h4>Changes:</h4>

<li id="3aba9ceb20d68f25343fe3a27b2b7a4f8fea68da">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#3aba9ceb20d68f25343fe3a27b2b7a4f8fea68da"><strong>compiler/GHC/CmmToAsm/Reg/Graph/SpillClean.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="554" style="width: 35px; color: rgba(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="554" style="width: 35px; color: rgba(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">@@ -554,7 +554,7 @@ delAssoc :: (Uniquable a)</td>

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<td class="diff-line-num old_line" data-linenumber="554" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

554

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<pre style="margin: 0;"> <span id="LC554" class="line" lang="haskell"><span class="n" style="color: #333;">delAssoc</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">m</span></span>

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<td class="diff-line-num old_line" data-linenumber="555" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

555

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<td class="diff-line-num new_line" data-linenumber="555" style="width: 35px; color: rgba(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="LC555" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">aSet</span>     <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupUFM</span>  <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">a</span></span>

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<td class="diff-line-num old_line" data-linenumber="556" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

556

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<td class="diff-line-num new_line" data-linenumber="556" style="width: 35px; color: rgba(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="LC556" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">m1</span>            <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">delFromUFM</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">a</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="557" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

557

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<td class="diff-line-num new_line old" data-linenumber="557" style="width: 35px; color: rgba(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="LC557" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">m</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">x</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">delAssoc1</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="n" style="color: #333;">m1</span> <span class="n" style="color: #333;">aSet</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="557" style="width: 35px; color: rgba(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="LC557" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">m</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">delAssoc1</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="n" style="color: #333;">m1</span> <span class="n" style="color: #333;">aSet</span></span>

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<td class="diff-line-num old_line" data-linenumber="558" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

558

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<td class="diff-line-num new_line" data-linenumber="558" style="width: 35px; color: rgba(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="LC558" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetStrictFoldUFM here because deletion is commutative</span></span>

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<td class="diff-line-num old_line" data-linenumber="559" style="width: 35px; color: rgba(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="559" style="width: 35px; color: rgba(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="LC559" class="line" lang="haskell"></span>

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<td class="diff-line-num old_line" data-linenumber="560" style="width: 35px; color: rgba(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="LC560" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span></span>

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</li>

<li id="91648438362e5a35363d2bb7abb04016dedd7d7e">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#91648438362e5a35363d2bb7abb04016dedd7d7e"><strong>compiler/GHC/Core/FamInstEnv.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="378" style="width: 35px; color: rgba(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="378" style="width: 35px; color: rgba(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">@@ -378,7 +378,7 @@ famInstEnvElts fi = [elt | FamIE elts <- eltsUDFM fi, elt <- elts]</td>

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<td class="diff-line-num old_line" data-linenumber="378" style="width: 35px; color: rgba(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="LC378" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- See Note [FamInstEnv determinism]</span></span>

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<td class="diff-line-num old_line" data-linenumber="379" style="width: 35px; color: rgba(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="379" style="width: 35px; color: rgba(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="LC379" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="380" style="width: 35px; color: rgba(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="LC380" class="line" lang="haskell"><span class="n" style="color: #333;">famInstEnvSize</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">FamInstEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>

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381

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<pre style="margin: 0;">-<span id="LC381" class="line" lang="haskell"><span class="n" style="color: #333;">famInstEnvSize</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">sum</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">FamIE</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">elt</span></span><span class="p"><span class="idiff right">)</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">sum</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">elt</span><span class="p">)</span> <span class="mi" style="color: #099;">0</span></span>

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<td class="diff-line-num new new_line" data-linenumber="381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

381

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<pre style="margin: 0;">+<span id="LC381" class="line" lang="haskell"><span class="n" style="color: #333;">famInstEnvSize</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="p">(</span><span class="nf" style="color: #900; 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">FamIE</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">elt</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">sum</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">sum</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">elt</span><span class="p">)</span> <span class="mi" style="color: #099;">0</span></span>

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382

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382

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<pre style="margin: 0;"> <span id="LC382" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetStrictFoldUDFM here since we're just computing the</span></span>

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<td class="diff-line-num old_line" data-linenumber="383" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

383

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383

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<pre style="margin: 0;"> <span id="LC383" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- size.</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="384" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

384

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<td class="diff-line-num new_line" data-linenumber="384" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

384

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<pre style="margin: 0;"> <span id="LC384" class="line" lang="haskell"></span>

</pre>

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</li>

<li id="9e2ce77a946950b2d19d75c55f671c048a5645bd">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#9e2ce77a946950b2d19d75c55f671c048a5645bd"><strong>compiler/GHC/Core/Op/OccurAnal.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2502" style="width: 35px; color: rgba(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="2502" style="width: 35px; color: rgba(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">@@ -2502,7 +2502,7 @@ addOneOcc ud id info</td>

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2502

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2502

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<pre style="margin: 0;"> <span id="LC2502" class="line" lang="haskell">    <span class="n" style="color: #333;">plus_zapped</span> <span class="n" style="color: #333;">old</span> <span class="n" style="color: #333;">new</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">doZapping</span> <span class="n" style="color: #333;">ud</span> <span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">old</span> <span class="p">`</span><span class="n" style="color: #333;">addOccInfo</span><span class="p">`</span> <span class="n" style="color: #333;">new</span></span>

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2503

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2503

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<pre style="margin: 0;"> <span id="LC2503" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2504" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2504

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<pre style="margin: 0;"> <span id="LC2504" class="line" lang="haskell"><span class="n" style="color: #333;">addManyOccsSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">UsageDetails</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UsageDetails</span></span>

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<pre style="margin: 0;">-<span id="LC2505" class="line" lang="haskell"><span class="n" style="color: #333;">addManyOccsSet</span> <span class="n" style="color: #333;">usage</span> <span class="n" style="color: #333;">id_set</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">flip</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addManyOccs</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">usage</span> <span class="n" style="color: #333;">id_set</span></span>

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<pre style="margin: 0;">+<span id="LC2505" class="line" lang="haskell"><span class="n" style="color: #333;">addManyOccsSet</span> <span class="n" style="color: #333;">usage</span> <span class="n" style="color: #333;">id_set</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="n" style="color: #333;"><span class="idiff left right">addManyOccs</span></span> <span class="n" style="color: #333;">usage</span> <span class="n" style="color: #333;">id_set</span></span>

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2506

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<td class="diff-line-num new_line" data-linenumber="2506" style="width: 35px; color: rgba(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="LC2506" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetStrictFoldUFM here because addManyOccs commutes</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2507" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2507

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<td class="diff-line-num new_line" data-linenumber="2507" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2507

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<pre style="margin: 0;"> <span id="LC2507" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2508" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2508

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<pre style="margin: 0;"> <span id="LC2508" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Add several occurrences, assumed not to be tail calls</span></span>

</pre>

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<li id="de7d9d388885ce6e3a45a39fac6e2c36a7f94f69">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#de7d9d388885ce6e3a45a39fac6e2c36a7f94f69"><strong>compiler/GHC/Core/Op/SetLevels.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1472" style="width: 35px; color: rgba(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="1472" style="width: 35px; color: rgba(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">@@ -1472,8 +1472,8 @@ countFreeIds :: DVarSet -> Int</td>

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1472

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1472

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<pre style="margin: 0;"> <span id="LC1472" class="line" lang="haskell"><span class="n" style="color: #333;">countFreeIds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="n" style="color: #333;">add</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">getUniqDSet</span></span>

</pre>

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1473

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1473

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<pre style="margin: 0;"> <span id="LC1473" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetStrictFoldUDFM here because we're just counting things.</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1474" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1474

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1474

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<pre style="margin: 0;"> <span id="LC1474" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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1475

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<pre style="margin: 0;">-<span id="LC1475" class="line" lang="haskell">    <span class="n" style="color: #333;">add</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Int</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Var</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1476" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1476

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<pre style="margin: 0;">-<span id="LC1476" class="line" lang="haskell">    <span class="n" style="color: #333;">add</span> <span class="n" style="color: #333;"><span class="idiff left">n</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">v</span></span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isId</span> <span class="n" style="color: #333;">v</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span></span>

</pre>

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1475

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<pre style="margin: 0;">+<span id="LC1475" class="line" lang="haskell">    <span class="n" style="color: #333;">add</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Var</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Int</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>

</pre>

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1476

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<pre style="margin: 0;">+<span id="LC1476" class="line" lang="haskell">    <span class="n" style="color: #333;">add</span> <span class="n" style="color: #333;"><span class="idiff left">v</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">n</span></span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isId</span> <span class="n" style="color: #333;">v</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span></span>

</pre>

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1477

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1477

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<pre style="margin: 0;"> <span id="LC1477" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">n</span></span>

</pre>

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1478

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1478

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<pre style="margin: 0;"> <span id="LC1478" class="line" lang="haskell"></span>

</pre>

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1479

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1479

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<pre style="margin: 0;"> <span id="LC1479" 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 unfold js-unfold old_line" data-linenumber="1581" style="width: 35px; color: rgba(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="1581" style="width: 35px; color: rgba(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">@@ -1581,12 +1581,12 @@ placeJoinCeiling le@(LE { le_ctxt_lvl = lvl })</td>

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1581

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1581

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<pre style="margin: 0;"> <span id="LC1581" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1582" class="line" lang="haskell"><span class="n" style="color: #333;">maxFvLevel</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="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;">LevelEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Level</span></span>

</pre>

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1583

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<pre style="margin: 0;"> <span id="LC1583" class="line" lang="haskell"><span class="n" style="color: #333;">maxFvLevel</span> <span class="n" style="color: #333;">max_me</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">var_set</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="1584" style="width: 35px; color: rgba(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="LC1584" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldDVarSet</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">flip</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">maxIn</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">max_me</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="n" style="color: #333;">tOP_LEVEL</span> <span class="n" style="color: #333;">var_set</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC1584" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldDVarSet</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">maxIn</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">max_me</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">env</span></span><span class="p">)</span> <span class="n" style="color: #333;">tOP_LEVEL</span> <span class="n" style="color: #333;">var_set</span></span>

</pre>

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1585

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<pre style="margin: 0;"> <span id="LC1585" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1586" class="line" lang="haskell"><span class="n" style="color: #333;">maxFvLevel'</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="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;">LevelEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyCoVarSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Level</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1587" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Same but for TyCoVarSet</span></span>

</pre>

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1588

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<pre style="margin: 0;"> <span id="LC1588" class="line" lang="haskell"><span class="n" style="color: #333;">maxFvLevel'</span> <span class="n" style="color: #333;">max_me</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">var_set</span></span>

</pre>

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1589

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<td class="diff-line-num new_line old" data-linenumber="1589" style="width: 35px; color: rgba(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="LC1589" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">flip</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">maxIn</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">max_me</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="n" style="color: #333;">tOP_LEVEL</span> <span class="n" style="color: #333;">var_set</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC1589" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">maxIn</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">max_me</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">env</span></span><span class="p">)</span> <span class="n" style="color: #333;">tOP_LEVEL</span> <span class="n" style="color: #333;">var_set</span></span>

</pre>

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1590

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<pre style="margin: 0;"> <span id="LC1590" class="line" lang="haskell"></span>

</pre>

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1591

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<pre style="margin: 0;"> <span id="LC1591" class="line" lang="haskell"><span class="n" style="color: #333;">maxIn</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="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;">LevelEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InVar</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Level</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Level</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1592" class="line" lang="haskell"><span class="n" style="color: #333;">maxIn</span> <span class="n" style="color: #333;">max_me</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LE</span> <span class="p">{</span> <span class="n" style="color: #333;">le_lvl_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lvl_env</span><span class="p">,</span> <span class="n" style="color: #333;">le_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">id_env</span> <span class="p">})</span> <span class="n" style="color: #333;">in_var</span> <span class="n" style="color: #333;">lvl</span></span>

</pre>

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<br>

</li>

<li id="d52bc1e90d7432064a2998de2a2751b6fecb7680">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#d52bc1e90d7432064a2998de2a2751b6fecb7680"><strong>compiler/GHC/Core/Op/Specialise.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">@@ -2177,7 +2177,7 @@ unionCallInfoSet (CIS f calls1) (CIS _ calls2) =</td>

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2177

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<pre style="margin: 0;"> <span id="LC2177" class="line" lang="haskell"></span>

</pre>

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2178

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<pre style="margin: 0;"> <span id="LC2178" class="line" lang="haskell"><span class="n" style="color: #333;">callDetailsFVs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CallDetails</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarSet</span></span>

</pre>

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2179

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<pre style="margin: 0;"> <span id="LC2179" class="line" lang="haskell"><span class="n" style="color: #333;">callDetailsFVs</span> <span class="n" style="color: #333;">calls</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="2180" style="width: 35px; color: rgba(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="LC2180" class="line" lang="haskell">  <span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">flip</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">unionVarSet</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">callInfoFVs</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="n" style="color: #333;">emptyVarSet</span> <span class="n" style="color: #333;">calls</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC2180" class="line" lang="haskell">  <span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">unionVarSet</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">callInfoFVs</span></span><span class="p">)</span> <span class="n" style="color: #333;">emptyVarSet</span> <span class="n" style="color: #333;">calls</span></span>

</pre>

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2181

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<pre style="margin: 0;"> <span id="LC2181" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetStrictFoldUDFM here because we forget the ordering</span></span>

</pre>

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2182

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2182

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<pre style="margin: 0;"> <span id="LC2182" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- immediately by converting to a nondeterministic set.</span></span>

</pre>

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2183

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2183

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<pre style="margin: 0;"> <span id="LC2183" class="line" lang="haskell"></span>

</pre>

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<li id="89a2e0e1a3095c7a42b10f2819049908908080e8">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#89a2e0e1a3095c7a42b10f2819049908908080e8"><strong>compiler/GHC/Core/Unify.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="658" style="width: 35px; color: rgba(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="658" style="width: 35px; color: rgba(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">@@ -658,7 +658,7 @@ niSubstTvSet :: TvSubstEnv -> TyCoVarSet -> TyCoVarSet</td>

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658

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658

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<pre style="margin: 0;"> <span id="LC658" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- remembering that the substitution isn't necessarily idempotent</span></span>

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<td class="diff-line-num old_line" data-linenumber="659" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

659

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659

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<pre style="margin: 0;"> <span id="LC659" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This is used in the occurs check, before extending the substitution</span></span>

</pre>

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660

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660

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<pre style="margin: 0;"> <span id="LC660" class="line" lang="haskell"><span class="n" style="color: #333;">niSubstTvSet</span> <span class="n" style="color: #333;">tsubst</span> <span class="n" style="color: #333;">tvs</span></span>

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661

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<td class="diff-line-num new_line old" data-linenumber="661" style="width: 35px; color: rgba(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="LC661" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">flip</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">unionVarSet</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">get</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="n" style="color: #333;">emptyVarSet</span> <span class="n" style="color: #333;">tvs</span></span>

</pre>

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661

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<pre style="margin: 0;">+<span id="LC661" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">unionVarSet</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">get</span></span><span class="p">)</span> <span class="n" style="color: #333;">emptyVarSet</span> <span class="n" style="color: #333;">tvs</span></span>

</pre>

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662

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<td class="diff-line-num new_line" data-linenumber="662" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

662

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<pre style="margin: 0;"> <span id="LC662" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- It's OK to nonDetStrictFoldUFM here because we immediately forget the</span></span>

</pre>

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663

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663

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<pre style="margin: 0;"> <span id="LC663" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ordering by creating a set.</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="664" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

664

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664

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<pre style="margin: 0;"> <span id="LC664" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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</li>

<li id="9e7e910f99e3a46d2caa3b0102d7481a88f80960">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#9e7e910f99e3a46d2caa3b0102d7481a88f80960"><strong>compiler/GHC/Rename/Source.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1426" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1426" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1426,7 +1426,7 @@ toParents rdr_env ns</td>

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<pre style="margin: 0;"> <span id="LC1426" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetStrictFoldUFM because we immediately forget the</span></span>

</pre>

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1427

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<pre style="margin: 0;"> <span id="LC1427" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ordering by creating a set</span></span>

</pre>

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1428

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1428

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<pre style="margin: 0;"> <span id="LC1428" 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="1429" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1429" class="line" lang="haskell">    <span class="n" style="color: #333;">add</span> <span class="n" style="color: #333;"><span class="idiff left">s</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">n</span></span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendNameSet</span> <span class="n" style="color: #333;">s</span> <span class="p">(</span><span class="n" style="color: #333;">getParent</span> <span class="n" style="color: #333;">rdr_env</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>

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<td class="diff-line-num new old_line" data-linenumber="1430" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC1429" class="line" lang="haskell">    <span class="n" style="color: #333;">add</span> <span class="n" style="color: #333;"><span class="idiff left">n</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">s</span></span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendNameSet</span> <span class="n" style="color: #333;">s</span> <span class="p">(</span><span class="n" style="color: #333;">getParent</span> <span class="n" style="color: #333;">rdr_env</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC1430" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC1431" class="line" lang="haskell"><span class="n" style="color: #333;">getParent</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">GlobalRdrEnv</span> <span class="o" style="font-weight: 600;">-></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;">Name</span></span>

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<pre style="margin: 0;"> <span id="LC1432" class="line" lang="haskell"><span class="n" style="color: #333;">getParent</span> <span class="n" style="color: #333;">rdr_env</span> <span class="n" style="color: #333;">n</span></span>

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<li id="657eec52eed3c8be846a0b60eb6088d5f465de8a">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#657eec52eed3c8be846a0b60eb6088d5f465de8a"><strong>compiler/GHC/Stg/Lift/Analysis.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="545" style="width: 35px; color: rgba(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="545" style="width: 35px; color: rgba(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">@@ -545,7 +545,7 @@ closureGrowth expander sizer group abs_ids = go</td>

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<pre style="margin: 0;"> <span id="LC545" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- we lift @f@</span></span>

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<pre style="margin: 0;"> <span id="LC546" class="line" lang="haskell">        <span class="n" style="color: #333;">newbies</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">abs_ids</span> <span class="p">`</span><span class="n" style="color: #333;">minusDVarSet</span><span class="p">`</span> <span class="n" style="color: #333;">clo_fvs'</span></span>

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<pre style="margin: 0;"> <span id="LC547" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Lifting @f@ removes @f@ from the closure but adds all @newbies@</span></span>

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<pre style="margin: 0;">-<span id="LC548" class="line" lang="haskell">        <span class="n" style="color: #333;">cost</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldDVarSet</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">size</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">id</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">sizer</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">size</span><span class="p">)</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">newbies</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">n_occs</span></span>

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<pre style="margin: 0;">+<span id="LC548" class="line" lang="haskell">        <span class="n" style="color: #333;">cost</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldDVarSet</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">id</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">size</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">sizer</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">size</span><span class="p">)</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">newbies</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">n_occs</span></span>

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<pre style="margin: 0;"> <span id="LC549" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RhsSk</span> <span class="n" style="color: #333;">body_dmd</span> <span class="n" style="color: #333;">body</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC550" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- The conservative assumption would be that</span></span>

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<pre style="margin: 0;"> <span id="LC551" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">--   1. Every RHS with positive growth would be called multiple times,</span></span>

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<li id="266bc13b57ed8c43a461b6d9a429c917879e16b4">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#266bc13b57ed8c43a461b6d9a429c917879e16b4"><strong>compiler/GHC/Types/Unique/DFM.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="280" style="width: 35px; color: rgba(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="280" style="width: 35px; color: rgba(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">@@ -280,10 +280,10 @@ foldUDFM k z m = foldr k z (eltsUDFM m)</td>

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<pre style="margin: 0;"> <span id="LC280" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetFoldUDFM</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqDFM</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;"> <span id="LC281" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetFoldUDFM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UDFM</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">_i</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">taggedFst</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">M</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">elems</span> <span class="n" style="color: #333;">m</span></span>

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<pre style="margin: 0;"> <span id="LC282" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC283" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">a</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">elt</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqDFM</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;">+<span id="LC283" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">elt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqDFM</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;"> <span id="LC284" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UDFM</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">_i</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">k'</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">m</span></span>

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<pre style="margin: 0;"> <span id="LC285" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC286" class="line" lang="haskell">    <span class="n" style="color: #333;">k'</span> <span class="n" style="color: #333;">acc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TaggedVal</span> <span class="n" style="color: #333;">v</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;">k</span> <span class="n" style="color: #333;"><span class="idiff left">acc</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">v</span></span></span>

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<pre style="margin: 0;">+<span id="LC286" class="line" lang="haskell">    <span class="n" style="color: #333;">k'</span> <span class="n" style="color: #333;">acc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TaggedVal</span> <span class="n" style="color: #333;">v</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;">k</span> <span class="n" style="color: #333;"><span class="idiff left">v</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">acc</span></span></span>

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<pre style="margin: 0;"> <span id="LC287" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC288" class="line" lang="haskell"><span class="n" style="color: #333;">eltsUDFM</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">UniqDFM</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="n" style="color: #333;">elt</span><span class="p">]</span></span>

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<pre style="margin: 0;"> <span id="LC289" class="line" lang="haskell"><span class="n" style="color: #333;">eltsUDFM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UDFM</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">_i</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span></span>

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</li>

<li id="dd1734ed93e4694f773dd468a1855524e6bbca0f">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#dd1734ed93e4694f773dd468a1855524e6bbca0f"><strong>compiler/GHC/Types/Unique/DSet.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">@@ -101,7 +101,7 @@ uniqDSetIntersectUniqSet xs ys</td>

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<pre style="margin: 0;"> <span id="LC101" class="line" lang="haskell"><span class="n" style="color: #333;">foldUniqDSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</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="n" style="color: #333;">b</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;">UniqDSet</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;"> <span id="LC102" class="line" lang="haskell"><span class="n" style="color: #333;">foldUniqDSet</span> <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UniqDSet</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldUDFM</span> <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">s</span></span>

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<pre style="margin: 0;"> <span id="LC103" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC104" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUniqDSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">b</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</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;">UniqDSet</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;">+<span id="LC104" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUniqDSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">a</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">b</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</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;">UniqDSet</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;"> <span id="LC105" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUniqDSet</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">acc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UniqDSet</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUDFM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">acc</span> <span class="n" style="color: #333;">s</span></span>

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<pre style="margin: 0;"> <span id="LC106" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC107" class="line" lang="haskell"><span class="n" style="color: #333;">elementOfUniqDSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Uniquable</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqDSet</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>

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<br>

</li>

<li id="b0b25f424f682f899323d3f74070dbe8fd59628e">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#b0b25f424f682f899323d3f74070dbe8fd59628e"><strong>compiler/GHC/Types/Unique/FM.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">@@ -321,8 +321,8 @@ nonDetKeysUFM (UFM m) = map getUnique $ M.keys m</td>

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<pre style="margin: 0;"> <span id="LC321" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetFoldUFM</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqFM</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;"> <span id="LC322" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetFoldUFM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UFM</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">M</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">m</span></span>

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<pre style="margin: 0;"> <span id="LC323" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC324" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUFM</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">a</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">elt</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqFM</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;">-<span id="LC325" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUFM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UFM</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">M</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;"><span class="idiff left right">k</span></span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">m</span></span>

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<pre style="margin: 0;">+<span id="LC324" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUFM</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">elt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqFM</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;">+<span id="LC325" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUFM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UFM</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">M</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foldl'</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">flip</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">k</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">m</span></span>

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<pre style="margin: 0;"> <span id="LC326" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC327" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Deterministic UniqFM] to learn about nondeterminism.</span></span>

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328

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328

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<pre style="margin: 0;"> <span id="LC328" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- If you use this please provide a justification why it doesn't introduce</span></span>

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<li id="71ee8226465c3f394f18d0bddd00077942947740">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#71ee8226465c3f394f18d0bddd00077942947740"><strong>compiler/GHC/Types/Unique/Set.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="167" style="width: 35px; color: rgba(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="167" style="width: 35px; color: rgba(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">@@ -167,7 +167,7 @@ nonDetKeysUniqSet = nonDetKeysUFM . getUniqSet'</td>

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167

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<pre style="margin: 0;"> <span id="LC167" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetFoldUniqSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqSet</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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168

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<pre style="margin: 0;"> <span id="LC168" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetFoldUniqSet</span> <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UniqSet</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetFoldUFM</span> <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">s</span></span>

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169

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<pre style="margin: 0;"> <span id="LC169" class="line" lang="haskell"></span>

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170

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<pre style="margin: 0;">-<span id="LC170" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">a</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">elt</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqSet</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;">+<span id="LC170" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldUniqSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">elt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UniqSet</span> <span class="n" style="color: #333;">elt</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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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;">nonDetStrictFoldUniqSet</span> <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UniqSet</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUFM</span> <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">s</span></span>

</pre>

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172

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<pre style="margin: 0;"> <span id="LC172" class="line" lang="haskell"></span>

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<td class="diff-line-num old_line" data-linenumber="173" style="width: 35px; color: rgba(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="LC173" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Deterministic UniqFM] to learn about nondeterminism.</span></span>

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<li id="07e36027465263e8b90313979f12e1f4a9ce64a5">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#07e36027465263e8b90313979f12e1f4a9ce64a5"><strong>compiler/GHC/Types/Var/Env.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -583,7 +583,7 @@ lookupDVarEnv = lookupUDFM</td>

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<pre style="margin: 0;"> <span id="LC583" class="line" lang="haskell"><span class="n" style="color: #333;">foldDVarEnv</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</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="n" style="color: #333;">b</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;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;"> <span id="LC584" class="line" lang="haskell"><span class="n" style="color: #333;">foldDVarEnv</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldUDFM</span></span>

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585

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<pre style="margin: 0;"> <span id="LC585" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC586" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldDVarEnv</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">b</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</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;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;">+<span id="LC586" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldDVarEnv</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">a</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">b</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</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;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;"> <span id="LC587" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldDVarEnv</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUDFM</span></span>

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588

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<pre style="margin: 0;"> <span id="LC588" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC589" class="line" lang="haskell"><span class="n" style="color: #333;">mapDVarEnv</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">b</span></span>

</pre>

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<li id="8fa3c53ff1558af938c045405b5e177c50e91308">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#8fa3c53ff1558af938c045405b5e177c50e91308"><strong>compiler/GHC/Types/Var/Set.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="295" style="width: 35px; color: rgba(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="295" style="width: 35px; color: rgba(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">@@ -295,7 +295,7 @@ dVarSetMinusVarSet = uniqDSetMinusUniqSet</td>

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<pre style="margin: 0;"> <span id="LC295" class="line" lang="haskell"><span class="n" style="color: #333;">foldDVarSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;"> <span id="LC296" class="line" lang="haskell"><span class="n" style="color: #333;">foldDVarSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldUniqDSet</span></span>

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<pre style="margin: 0;"> <span id="LC297" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC298" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldDVarSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">a</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Var</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;">+<span id="LC298" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldDVarSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Var</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<td class="diff-line-num new_line" data-linenumber="299" style="width: 35px; color: rgba(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="LC299" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldDVarSet</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldUniqDSet</span></span>

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<pre style="margin: 0;"> <span id="LC300" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC301" class="line" lang="haskell"><span class="n" style="color: #333;">anyDVarSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="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;">DVarSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>

</pre>

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<li id="89165943f253c43100bca06548eba40ff0519ca5">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#89165943f253c43100bca06548eba40ff0519ca5"><strong>compiler/typecheck/TcEvidence.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="501" style="width: 35px; color: rgba(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="501" style="width: 35px; color: rgba(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">@@ -501,7 +501,7 @@ evBindMapBinds = foldEvBindMap consBag emptyBag</td>

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<pre style="margin: 0;"> <span id="LC501" class="line" lang="haskell"><span class="n" style="color: #333;">foldEvBindMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">EvBind</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">EvBindMap</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;"> <span id="LC502" class="line" lang="haskell"><span class="n" style="color: #333;">foldEvBindMap</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">bs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldDVarEnv</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="n" style="color: #333;">ev_bind_varenv</span> <span class="n" style="color: #333;">bs</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC503" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC504" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldEvBindMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">a</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">EvBind</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">EvBindMap</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;">+<span id="LC504" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldEvBindMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">EvBind</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">EvBindMap</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC505" class="line" lang="haskell"><span class="n" style="color: #333;">nonDetStrictFoldEvBindMap</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">bs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldDVarEnv</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="p">(</span><span class="n" style="color: #333;">ev_bind_varenv</span> <span class="n" style="color: #333;">bs</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC506" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC507" class="line" lang="haskell"><span class="n" style="color: #333;">filterEvBindMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">EvBind</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;">EvBindMap</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">EvBindMap</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="866" style="width: 35px; color: rgba(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="866" style="width: 35px; color: rgba(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">@@ -866,8 +866,8 @@ findNeededEvVars ev_binds seeds</td>

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<pre style="margin: 0;"> <span id="LC866" class="line" lang="haskell">     <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetStrictFoldUFM here because we immediately</span></span>

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<pre style="margin: 0;"> <span id="LC867" class="line" lang="haskell">     <span class="c1" style="color: #998; font-style: italic;">-- forget about the ordering by creating a set</span></span>

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<pre style="margin: 0;"> <span id="LC868" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC869" class="line" lang="haskell">   <span class="n" style="color: #333;">add</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Var<span class="idiff left">Set</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Var</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarSet</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC870" class="line" lang="haskell">   <span class="n" style="color: #333;">add</span> <span class="n" style="color: #333;"><span class="idiff left">needs</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">v</span></span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC869" class="line" lang="haskell">   <span class="n" style="color: #333;">add</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span><span class="idiff left"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">VarSet</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarSet</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC870" class="line" lang="haskell">   <span class="n" style="color: #333;">add</span> <span class="n" style="color: #333;"><span class="idiff left">v</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">needs</span></span></span>

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871

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<pre style="margin: 0;"> <span id="LC871" class="line" lang="haskell">     <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ev_bind</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupEvBind</span> <span class="n" style="color: #333;">ev_binds</span> <span class="n" style="color: #333;">v</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="872" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

872

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<pre style="margin: 0;"> <span id="LC872" class="line" lang="haskell">     <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">EvBind</span> <span class="p">{</span> <span class="n" style="color: #333;">eb_is_given</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">is_given</span><span class="p">,</span> <span class="n" style="color: #333;">eb_rhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rhs</span> <span class="p">}</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ev_bind</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="873" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

873

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<td class="diff-line-num new_line" data-linenumber="873" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

873

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<pre style="margin: 0;"> <span id="LC873" class="line" lang="haskell">     <span class="p">,</span> <span class="n" style="color: #333;">is_given</span></span>

</pre>

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<br>

</li>

<li id="75d517f701402b106e4d98d255eb24b57ba72aab">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#75d517f701402b106e4d98d255eb24b57ba72aab"><strong>compiler/typecheck/TcSimplify.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1862" style="width: 35px; color: rgba(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="1862" style="width: 35px; color: rgba(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">@@ -1862,7 +1862,7 @@ neededEvVars implic@(Implic { ic_given = givens</td>

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1862

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1862

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<pre style="margin: 0;"> <span id="LC1862" class="line" lang="haskell">      <span class="p">;</span> <span class="n" style="color: #333;">tcvs</span>     <span class="o" style="font-weight: 600;"><-</span> <span class="kt" style="color: #458; font-weight: 600;">TcS</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">getTcEvTyCoVars</span> <span class="n" style="color: #333;">ev_binds_var</span></span>

</pre>

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1863

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1863

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<pre style="margin: 0;"> <span id="LC1863" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1864" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1864

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1864

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<pre style="margin: 0;"> <span id="LC1864" class="line" lang="haskell">      <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">seeds1</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">add_implic_seeds</span> <span class="n" style="color: #333;">old_needs</span> <span class="n" style="color: #333;">implics</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1865" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1865

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<td class="diff-line-num new_line old" data-linenumber="1865" style="width: 35px; color: rgba(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="LC1865" class="line" lang="haskell">            <span class="n" style="color: #333;">seeds2</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldEvBindMap</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">flip</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">add_wanted</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">seeds1</span> <span class="n" style="color: #333;">ev_binds</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1866" style="width: 35px; color: rgba(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="LC1865" class="line" lang="haskell">            <span class="n" style="color: #333;">seeds2</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDetStrictFoldEvBindMap</span> <span class="n" style="color: #333;"><span class="idiff left right">add_wanted</span></span> <span class="n" style="color: #333;">seeds1</span> <span class="n" style="color: #333;">ev_binds</span></span>

</pre>

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1866

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1866

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<pre style="margin: 0;"> <span id="LC1866" class="line" lang="haskell">            <span class="n" style="color: #333;">seeds3</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">seeds2</span> <span class="p">`</span><span class="n" style="color: #333;">unionVarSet</span><span class="p">`</span> <span class="n" style="color: #333;">tcvs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1867" style="width: 35px; color: rgba(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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1867

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<pre style="margin: 0;"> <span id="LC1867" class="line" lang="haskell">            <span class="n" style="color: #333;">need_inner</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">findNeededEvVars</span> <span class="n" style="color: #333;">ev_binds</span> <span class="n" style="color: #333;">seeds3</span></span>

</pre>

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1868

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<pre style="margin: 0;"> <span id="LC1868" class="line" lang="haskell">            <span class="n" style="color: #333;">live_ev_binds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">filterEvBindMap</span> <span class="p">(</span><span class="n" style="color: #333;">needed_ev_bind</span> <span class="n" style="color: #333;">need_inner</span><span class="p">)</span> <span class="n" style="color: #333;">ev_binds</span></span>

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<li id="341fd962c5f2c9fcf8be3dbdaa9a14ee1538af07">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#341fd962c5f2c9fcf8be3dbdaa9a14ee1538af07"><strong>compiler/typecheck/TcType.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="707" style="width: 35px; color: rgba(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="707" style="width: 35px; color: rgba(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">@@ -707,7 +707,7 @@ tcTypeLevel ty</td>

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<td class="diff-line-num old_line" data-linenumber="707" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

707

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<pre style="margin: 0;"> <span id="LC707" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- It's safe to use a non-deterministic fold because `maxTcLevel` is</span></span>

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<td class="diff-line-num old_line" data-linenumber="708" style="width: 35px; color: rgba(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="708" style="width: 35px; color: rgba(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="LC708" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- commutative.</span></span>

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<td class="diff-line-num old_line" data-linenumber="709" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

709

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<td class="diff-line-num new_line" data-linenumber="709" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC709" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC710" class="line" lang="haskell">    <span class="n" style="color: #333;">add</span> <span class="n" style="color: #333;"><span class="idiff left">lvl</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">v</span></span></span>

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<pre style="margin: 0;">+<span id="LC710" class="line" lang="haskell">    <span class="n" style="color: #333;">add</span> <span class="n" style="color: #333;"><span class="idiff left">v</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">lvl</span></span></span>

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<pre style="margin: 0;"> <span id="LC711" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isTcTyVar</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lvl</span> <span class="p">`</span><span class="n" style="color: #333;">maxTcLevel</span><span class="p">`</span> <span class="n" style="color: #333;">tcTyVarLevel</span> <span class="n" style="color: #333;">v</span></span>

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<pre style="margin: 0;"> <span id="LC712" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lvl</span></span>

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<pre style="margin: 0;"> <span id="LC713" class="line" lang="haskell"></span>

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</li>

<li id="fadb1ee8bcf9d6112f1216f52f995b0298a593b2">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d058ecc3bb567581d6d2a01d9cd8878b22fd9464...960b9951fc20ceafe61798c2a2f5b1f2caa809fe#fadb1ee8bcf9d6112f1216f52f995b0298a593b2"><strong>compiler/utils/GraphOps.hs</strong></a>

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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="63" style="width: 35px; color: rgba(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">@@ -63,8 +63,8 @@ addNode k node graph</td>

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<pre style="margin: 0;"> <span id="LC63" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">let</span></span>

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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- add back conflict edges from other nodes to this one</span></span>

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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell">        <span class="n" style="color: #333;">map_conflict</span> <span class="o" style="font-weight: 600;">=</span></span>

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<pre style="margin: 0;">-<span id="LC66" class="line" lang="haskell">          <span class="n" style="color: #333;">nonDet<span class="idiff left">FoldUniqSet</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- TODO?</span></span></span>

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<pre style="margin: 0;">-<span id="LC67" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetFoldUFM here because the</span></span>

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<pre style="margin: 0;">+<span id="LC66" class="line" lang="haskell">          <span class="n" style="color: #333;">nonDet<span class="idiff left right">StrictFoldUniqSet</span></span></span>

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<pre style="margin: 0;">+<span id="LC67" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDet<span class="idiff left right">Strict</span>FoldUFM here because the</span></span>

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<pre style="margin: 0;"> <span id="LC68" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- operation is commutative</span></span>

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<pre style="margin: 0;"> <span id="LC69" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">adjustUFM_C</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">n</span> <span class="p">{</span> <span class="n" style="color: #333;">nodeConflicts</span> <span class="o" style="font-weight: 600;">=</span></span>

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<pre style="margin: 0;"> <span id="LC70" class="line" lang="haskell">                                      <span class="n" style="color: #333;">addOneToUniqSet</span> <span class="p">(</span><span class="n" style="color: #333;">nodeConflicts</span> <span class="n" style="color: #333;">n</span><span class="p">)</span> <span class="n" style="color: #333;">k</span><span class="p">}))</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="73" style="width: 35px; color: rgba(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="73" style="width: 35px; color: rgba(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">@@ -73,8 +73,8 @@ addNode k node graph</td>

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<pre style="margin: 0;"> <span id="LC73" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC74" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- add back coalesce edges from other nodes to this one</span></span>

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<pre style="margin: 0;"> <span id="LC75" class="line" lang="haskell">        <span class="n" style="color: #333;">map_coalesce</span> <span class="o" style="font-weight: 600;">=</span></span>

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<pre style="margin: 0;">-<span id="LC76" class="line" lang="haskell">          <span class="n" style="color: #333;">nonDet<span class="idiff left">FoldUniqSet</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- TODO?</span></span></span>

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<pre style="margin: 0;">-<span id="LC77" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetFoldUFM here because the</span></span>

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<pre style="margin: 0;">+<span id="LC76" class="line" lang="haskell">          <span class="n" style="color: #333;">nonDet<span class="idiff left right">StrictFoldUniqSet</span></span></span>

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<pre style="margin: 0;">+<span id="LC77" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDet<span class="idiff left right">Strict</span>FoldUFM here because the</span></span>

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<pre style="margin: 0;"> <span id="LC78" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- operation is commutative</span></span>

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<pre style="margin: 0;"> <span id="LC79" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">adjustUFM_C</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">n</span> <span class="p">{</span> <span class="n" style="color: #333;">nodeCoalesce</span> <span class="o" style="font-weight: 600;">=</span></span>

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<pre style="margin: 0;"> <span id="LC80" class="line" lang="haskell">                                      <span class="n" style="color: #333;">addOneToUniqSet</span> <span class="p">(</span><span class="n" style="color: #333;">nodeCoalesce</span> <span class="n" style="color: #333;">n</span><span class="p">)</span> <span class="n" style="color: #333;">k</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">@@ -476,8 +476,8 @@ freezeNode k</td>

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<pre style="margin: 0;"> <span id="LC476" class="line" lang="haskell">                <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">node</span>       <span class="c1" style="color: #998; font-style: italic;">-- panic "GraphOps.freezeNode: edge to freeze wasn't in the coalesce set"</span></span>

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<pre style="margin: 0;"> <span id="LC477" class="line" lang="haskell">                                <span class="c1" style="color: #998; font-style: italic;">-- If the edge isn't actually in the coelesce set then just ignore it.</span></span>

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<pre style="margin: 0;"> <span id="LC478" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC479" class="line" lang="haskell">        <span class="n" style="color: #333;">fm2</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDet<span class="idiff left">FoldUniqSet</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">adjustUFM_C</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">freezeEdge</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">k</span></span><span class="p"><span class="idiff">))</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">fm1</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- TODO?</span></span></span>

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<pre style="margin: 0;">-<span id="LC480" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDetFoldUFM here because the operation</span></span>

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<pre style="margin: 0;">+<span id="LC479" class="line" lang="haskell">        <span class="n" style="color: #333;">fm2</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nonDet<span class="idiff left">StrictFoldUniqSet</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">adjustUFM_C</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">freezeEdge</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">k</span></span><span class="p"><span class="idiff">))</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">fm1</span></span></span>

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<pre style="margin: 0;">+<span id="LC480" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- It's OK to use nonDet<span class="idiff left right">Strict</span>FoldUFM here because the operation</span></span>

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<pre style="margin: 0;"> <span id="LC481" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- is commutative</span></span>

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<pre style="margin: 0;"> <span id="LC482" class="line" lang="haskell">                        <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">nodeCoalesce</span> <span class="n" style="color: #333;">node</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="483" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

483

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<td class="diff-line-num new_line" data-linenumber="483" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

483

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<pre style="margin: 0;"> <span id="LC483" class="line" lang="haskell"></span>

</pre>

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