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<h3>
Richard Eisenberg pushed to branch wip/cfuneqcan-refactor
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/c65dc7261c1ccef93fd3e54fb2d84282f3225dbd">c65dc726</a></strong>
<div>
<span>by Richard Eisenberg</span>
<i>at 2020-11-04T22:45:26-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Simplify getNoGivenEqs
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</li>
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<h4>1 changed file:</h4>
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<li class="file-stats">
<a href="#0c6b585a8a21f8340a85ca2cef89c4b1bf5a8953">
compiler/GHC/Tc/Solver/Monad.hs
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<h4>Changes:</h4>
<li id="0c6b585a8a21f8340a85ca2cef89c4b1bf5a8953">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c65dc7261c1ccef93fd3e54fb2d84282f3225dbd#0c6b585a8a21f8340a85ca2cef89c4b1bf5a8953"><strong>compiler/GHC/Tc/Solver/Monad.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">@@ -2055,9 +2055,34 @@ getNoGivenEqs :: TcLevel          -- TcLevel of this implication</td>
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<pre style="margin: 0;"> <span id="LC2055" class="line" lang="haskell"><span class="n" style="color: #333;">getNoGivenEqs</span> <span class="n" style="color: #333;">tclvl</span> <span class="n" style="color: #333;">skol_tvs</span></span>
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<pre style="margin: 0;"> <span id="LC2056" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">inerts</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IC</span> <span class="p">{</span> <span class="n" style="color: #333;">inert_eqs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ieqs</span><span class="p">,</span> <span class="n" style="color: #333;">inert_funeqs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">funeqs</span><span class="p">,</span> <span class="n" style="color: #333;">inert_irreds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">irreds</span> <span class="p">})</span></span>
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<pre style="margin: 0;"> <span id="LC2057" class="line" lang="haskell">              <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getInertCans</span></span>
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<pre style="margin: 0;">-<span id="LC2058" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">has_given_eqs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldr</span> <span class="p">((</span><span class="o" style="font-weight: 600;">||</span><span class="p">)</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">ct_given_here</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="n" style="color: #333;">irreds</span></span>
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<pre style="margin: 0;">-<span id="LC2059" class="line" lang="haskell">                          <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">anyDVarEnv</span> <span class="n" style="color: #333;">tv_eqs_given_here</span> <span class="n" style="color: #333;">ieqs</span></span>
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<pre style="margin: 0;">-<span id="LC2060" class="line" lang="haskell">                          <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">anyFunEqMap</span> <span class="n" style="color: #333;">funeqs</span> <span class="n" style="color: #333;">fun_eqs_given_here</span></span>
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<pre style="margin: 0;">+<span id="LC2058" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">tc_lvl</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getTcLevel</span></span>
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<pre style="margin: 0;">+<span id="LC2059" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">is_local_given_ct</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Ct</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;">+<span id="LC2060" class="line" lang="haskell">             <span class="n" style="color: #333;">is_local_given_ct</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ct_given_here</span> <span class="o" style="font-weight: 600;"><&&></span> <span class="n" style="color: #333;">ct_mentions_outer_var</span></span>
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<pre style="margin: 0;">+<span id="LC2061" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC2062" class="line" lang="haskell">             <span class="n" style="color: #333;">is_local_given_equal_ct_list</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">EqualCtList</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;">+<span id="LC2063" class="line" lang="haskell">             <span class="n" style="color: #333;">is_local_given_equal_ct_list</span> <span class="p">[</span><span class="n" style="color: #333;">ct</span><span class="p">]</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">is_local_given_ct</span> <span class="n" style="color: #333;">ct</span></span>
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<pre style="margin: 0;">+<span id="LC2064" class="line" lang="haskell">               <span class="c1" style="color: #998; font-style: italic;">-- Givens are always singletons in an EqualCtList</span></span>
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<pre style="margin: 0;">+<span id="LC2065" class="line" lang="haskell">             <span class="n" style="color: #333;">is_local_given_equal_ct_list</span> <span class="kr" style="font-weight: 600;">_</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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<td class="diff-line-num new new_line" data-linenumber="2066" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2066
</td>
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<pre style="margin: 0;">+<span id="LC2066" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2067" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2067
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<pre style="margin: 0;">+<span id="LC2067" class="line" lang="haskell">             <span class="n" style="color: #333;">ct_given_here</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Ct</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2068" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2068
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2068" class="line" lang="haskell">             <span class="c1" style="color: #998; font-style: italic;">-- True for a Given bound by the current implication,</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2069" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2069
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2069" class="line" lang="haskell">             <span class="c1" style="color: #998; font-style: italic;">-- i.e. the current level</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2070
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2070" class="line" lang="haskell">             <span class="n" style="color: #333;">ct_given_here</span> <span class="n" style="color: #333;">ct</span> <span class="o" style="font-weight: 600;">=</span>  <span class="n" style="color: #333;">isGiven</span> <span class="n" style="color: #333;">ev</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2071
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2071" class="line" lang="haskell">                              <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">tclvl</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">ctLocLevel</span> <span class="p">(</span><span class="n" style="color: #333;">ctEvLoc</span> <span class="n" style="color: #333;">ev</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2072" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2072
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2072" class="line" lang="haskell">                 <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2073" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2073
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2073" class="line" lang="haskell">                   <span class="n" style="color: #333;">ev</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ctEvidence</span> <span class="n" style="color: #333;">ct</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2074" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2074
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2074" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2075" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2075
</td>
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<pre style="margin: 0;">+<span id="LC2075" class="line" lang="haskell">             <span class="n" style="color: #333;">ct_mentions_outer_var</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Ct</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2076
</td>
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<pre style="margin: 0;">+<span id="LC2076" class="line" lang="haskell">             <span class="n" style="color: #333;">ct_mentions_outer_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">anyFreeVarsOfType</span> <span class="n" style="color: #333;">is_outer_var</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">ctPred</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2077" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2077
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2077" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
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<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2078" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2078
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2078" class="line" lang="haskell">             <span class="n" style="color: #333;">is_outer_var</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyCoVar</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2079" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2079
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2079" class="line" lang="haskell">             <span class="n" style="color: #333;">is_outer_var</span> <span class="n" style="color: #333;">tv</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2080" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2080
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2080" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isTyVar</span> <span class="n" style="color: #333;">tv</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tc_lvl</span> <span class="p">`</span><span class="n" style="color: #333;">strictlyDeeperThan</span><span class="p">`</span> <span class="n" style="color: #333;">tcTyVarLevel</span> <span class="n" style="color: #333;">tv</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2081" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2081
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2081" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2082" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2082
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2082" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2083" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2083
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC2083" class="line" lang="haskell">             <span class="n" style="color: #333;">has_given_eqs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">anyBag</span> <span class="n" style="color: #333;">is_local_given_ct</span> <span class="n" style="color: #333;">irreds</span></span>
</pre>
</td>
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2084
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<pre style="margin: 0;">+<span id="LC2084" class="line" lang="haskell">                          <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">anyDVarEnv</span> <span class="n" style="color: #333;">is_local_given_equal_ct_list</span> <span class="n" style="color: #333;">ieqs</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="2061" style="width: 35px; color: rgba(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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2085
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<pre style="margin: 0;">+<span id="LC2085" class="line" lang="haskell">                          <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">anyFunEqMap</span> <span class="n" style="color: #333;">funeqs</span> <span class="n" style="color: #333;">is_local_given_equal_ct_list</span></span>
</pre>
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2061
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<td class="diff-line-num new_line" data-linenumber="2086" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2086
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<pre style="margin: 0;"> <span id="LC2086" class="line" lang="haskell">             <span class="n" style="color: #333;">insols</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">filterBag</span> <span class="n" style="color: #333;">insolubleEqCt</span> <span class="n" style="color: #333;">irreds</span></span>
</pre>
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2062
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<td class="diff-line-num new_line" data-linenumber="2087" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2087
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<pre style="margin: 0;"> <span id="LC2087" class="line" lang="haskell">                      <span class="c1" style="color: #998; font-style: italic;">-- Specifically includes ones that originated in some</span></span>
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<td class="diff-line-num old_line" data-linenumber="2063" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2063
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<td class="diff-line-num new_line" data-linenumber="2088" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2088
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<pre style="margin: 0;"> <span id="LC2088" class="line" lang="haskell">                      <span class="c1" style="color: #998; font-style: italic;">-- outer context but were refined to an insoluble by</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2070" style="width: 35px; color: rgba(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="2095" style="width: 35px; color: rgba(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">@@ -2070,30 +2095,6 @@ getNoGivenEqs tclvl skol_tvs</td>
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<pre style="margin: 0;"> <span id="LC2095" class="line" lang="haskell">              <span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Inerts:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">inerts</span></span>
</pre>
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2071
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2096
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<pre style="margin: 0;"> <span id="LC2096" class="line" lang="haskell">              <span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Insols:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">insols</span><span class="p">]</span></span>
</pre>
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2072
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2097
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<pre style="margin: 0;"> <span id="LC2097" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">not</span> <span class="n" style="color: #333;">has_given_eqs</span><span class="p">,</span> <span class="n" style="color: #333;">insols</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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2073
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<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2073" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2074" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2074
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<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2074" class="line" lang="haskell">    <span class="n" style="color: #333;">tv_eqs_given_here</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">EqualCtList</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2075" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2075
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<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2075" class="line" lang="haskell">    <span class="n" style="color: #333;">tv_eqs_given_here</span> <span class="p">[</span><span class="n" style="color: #333;">ct</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CEqCan</span> <span class="p">{</span> <span class="n" style="color: #333;">cc_lhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyVarLHS</span> <span class="n" style="color: #333;">tv</span> <span class="p">})]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2076
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<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2076" class="line" lang="haskell">                              <span class="c1" style="color: #998; font-style: italic;">-- Givens are always a singleton</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2077" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2077
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<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2077" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">skolem_bound_here</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">ct_given_here</span> <span class="n" style="color: #333;">ct</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="2078" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2078
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<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2078" class="line" lang="haskell">    <span class="n" style="color: #333;">tv_eqs_given_here</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
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2079
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<pre style="margin: 0;">-<span id="LC2079" class="line" lang="haskell"></span>
</pre>
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2080
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<pre style="margin: 0;">-<span id="LC2080" class="line" lang="haskell">    <span class="n" style="color: #333;">fun_eqs_given_here</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">EqualCtList</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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<pre style="margin: 0;">-<span id="LC2081" class="line" lang="haskell">    <span class="n" style="color: #333;">fun_eqs_given_here</span> <span class="p">[</span><span class="n" style="color: #333;">ct</span><span class="p">]</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ct_given_here</span> <span class="n" style="color: #333;">ct</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="2082" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2082
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2082" class="line" lang="haskell">    <span class="n" style="color: #333;">fun_eqs_given_here</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2083" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2083
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC2083" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="2084" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2084
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2084" class="line" lang="haskell">    <span class="n" style="color: #333;">ct_given_here</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Ct</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2085" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2085
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2085" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- True for a Given bound by the current implication,</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="2086" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2086
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2086" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- i.e. the current level</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="2087" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2087
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2087" class="line" lang="haskell">    <span class="n" style="color: #333;">ct_given_here</span> <span class="n" style="color: #333;">ct</span> <span class="o" style="font-weight: 600;">=</span>  <span class="n" style="color: #333;">isGiven</span> <span class="n" style="color: #333;">ev</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="2088" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2088
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2088" class="line" lang="haskell">                     <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">tclvl</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">ctLocLevel</span> <span class="p">(</span><span class="n" style="color: #333;">ctEvLoc</span> <span class="n" style="color: #333;">ev</span><span class="p">)</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2089" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2089
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2089" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2090" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2090
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2090" class="line" lang="haskell">          <span class="n" style="color: #333;">ev</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ctEvidence</span> <span class="n" style="color: #333;">ct</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2091" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2091
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC2091" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2092" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2092
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2092" class="line" lang="haskell">    <span class="n" style="color: #333;">skol_tv_set</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVarSet</span> <span class="n" style="color: #333;">skol_tvs</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="2093" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2093
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2093" class="line" lang="haskell">    <span class="n" style="color: #333;">skolem_bound_here</span> <span class="n" style="color: #333;">tv</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Let-bound skolems]</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="2094" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2094
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC2094" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">tcTyVarDetails</span> <span class="n" style="color: #333;">tv</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="2095" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2095
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(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="LC2095" class="line" lang="haskell">          <span class="kt" style="color: #458; font-weight: 600;">SkolemTv</span> <span class="p">{}</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tv</span> <span class="p">`</span><span class="n" style="color: #333;">elemVarSet</span><span class="p">`</span> <span class="n" style="color: #333;">skol_tv_set</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="2096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
2096
</td>
<td class="diff-line-num new_line old" data-linenumber="2098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC2096" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">_</span>           <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="2097" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2097
</td>
<td class="diff-line-num new_line" data-linenumber="2098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2098
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC2098" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="2098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2098
</td>
<td class="diff-line-num new_line" data-linenumber="2099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2099
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<pre style="margin: 0;"> <span id="LC2099" class="line" lang="haskell"><span class="cd">-- | Returns Given constraints that might,</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="2099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2099
</td>
<td class="diff-line-num new_line" data-linenumber="2100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2100
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<pre style="margin: 0;"> <span id="LC2100" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- potentially, match the given pred. This is used when checking to see if a</span></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2248" style="width: 35px; color: rgba(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="2249" style="width: 35px; color: rgba(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">@@ -2248,6 +2249,8 @@ are some wrinkles:</td>
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2248
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<td class="diff-line-num new_line" data-linenumber="2249" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2249
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<pre style="margin: 0;"> <span id="LC2249" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2249" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2249
</td>
<td class="diff-line-num new_line" data-linenumber="2250" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2250
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<pre style="margin: 0;"> <span id="LC2250" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Let-bound skolems]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2250" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2250
</td>
<td class="diff-line-num new_line" data-linenumber="2251" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2251
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<pre style="margin: 0;"> <span id="LC2251" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2251" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2252" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2252
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<pre style="margin: 0;">+<span id="LC2252" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">"RAE": Update note.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="2251" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="2253" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2253
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<pre style="margin: 0;">+<span id="LC2253" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="2251" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2251
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<td class="diff-line-num new_line" data-linenumber="2254" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2254
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<pre style="margin: 0;"> <span id="LC2254" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If   * the inert set contains a canonical Given CEqCan (a ~ ty)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="2252" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2252
</td>
<td class="diff-line-num new_line" data-linenumber="2255" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2255
</td>
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<pre style="margin: 0;"> <span id="LC2255" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">and  * 'a' is a skolem bound in this very implication,</span></span>
</pre>
</td>
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2253
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<td class="diff-line-num new_line" data-linenumber="2256" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
2256
</td>
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<pre style="margin: 0;"> <span id="LC2256" class="line" lang="haskell"></span>
</pre>
</td>
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