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<h3>
Adam Gundry pushed to branch wip/amg/hasfield-2020
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/684c39f92e7b382de8ac9906ac16a152bb5f1f0e">684c39f9</a></strong>
<div>
<span>by Adam Gundry</span>
<i>at 2020-09-18T23:12:17+01:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove abominable tcRemoveDataFamConPlaceholders
</pre>
</li>
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<h4>5 changed files:</h4>
<ul>
<li class="file-stats">
<a href="#e65390fa5a32c453a81a1c9a3e1c4464d155ca4a">
compiler/GHC/Tc/Module.hs
</a>
</li>
<li class="file-stats">
<a href="#83d23a46bb6cdc8b1edc16f1fd2c8f5c53e2c9ca">
compiler/GHC/Tc/TyCl.hs
</a>
</li>
<li class="file-stats">
<a href="#e63425e031ffe9350ee6b1687e506aaea75d11e1">
compiler/GHC/Tc/TyCl/Instance.hs
</a>
</li>
<li class="file-stats">
<a href="#f04235bf859e624dffc011ef839bc10f854d8bf9">
compiler/GHC/Tc/TyCl/Instance.hs-boot
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<li class="file-stats">
<a href="#5ed3ecf19a26af612b8100b2639f8e153f580fe9">
compiler/GHC/Tc/TyCl/Utils.hs
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</li>
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<h4>Changes:</h4>
<li id="e65390fa5a32c453a81a1c9a3e1c4464d155ca4a">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/684c39f92e7b382de8ac9906ac16a152bb5f1f0e#e65390fa5a32c453a81a1c9a3e1c4464d155ca4a"><strong>compiler/GHC/Tc/Module.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">@@ -100,6 +100,7 @@ import GHC.Tc.Utils.TcMType</td>
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<pre style="margin: 0;"> <span id="LC100" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Utils.TcType</span></span>
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<pre style="margin: 0;"> <span id="LC101" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Solver</span></span>
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<pre style="margin: 0;"> <span id="LC102" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.TyCl</span></span>
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<pre style="margin: 0;">+<span id="LC103" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.TyCl.Utils</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">tcRecSelBinds</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC104" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Instance.Typeable</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">mkTypeableBinds</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC105" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Utils.Backpack</span></span>
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<pre style="margin: 0;"> <span id="LC106" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Iface.Load</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="653" style="width: 35px; color: rgba(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="654" style="width: 35px; color: rgba(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">@@ -653,10 +654,16 @@ tcRnHsBootDecls hsc_src decls</td>
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<pre style="margin: 0;"> <span id="LC654" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC655" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Typecheck type/class/instance decls</span></span>
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<pre style="margin: 0;"> <span id="LC656" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"Tc2 (boot)"</span> <span class="n" style="color: #333;">empty</span></span>
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<pre style="margin: 0;">-<span id="LC656" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_infos</span><span class="p">,</span> <span class="n" style="color: #333;">_deriv_binds</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC657" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_infos</span><span class="p">,</span> <span class="n" style="color: #333;">_deriv_binds</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rec_sel_upd_binds</span></span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC658" class="line" lang="haskell">             <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcTyClsInstDecls</span> <span class="n" style="color: #333;">tycl_decls</span> <span class="n" style="color: #333;">deriv_decls</span> <span class="n" style="color: #333;">val_binds</span></span>
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<pre style="margin: 0;"> <span id="LC659" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">tcg_env</span>     <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC660" class="line" lang="haskell"></span>
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661
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<pre style="margin: 0;">+<span id="LC661" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Record selectors and updaters</span></span>
</pre>
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662
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<pre style="margin: 0;">+<span id="LC662" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- See Note [Calling tcRecSelBinds] in GHC.Tc.TyCl.Utils</span></span>
</pre>
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663
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<pre style="margin: 0;">+<span id="LC663" class="line" lang="haskell">        <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"Tc3a"</span> <span class="n" style="color: #333;">empty</span> <span class="p">;</span></span>
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664
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<pre style="margin: 0;">+<span id="LC664" class="line" lang="haskell">        <span class="n" style="color: #333;">tcg_env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcRecSelBinds</span> <span class="n" style="color: #333;">rec_sel_upd_binds</span> <span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC665" class="line" lang="haskell">        <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">tcg_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span></span>
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666
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<pre style="margin: 0;">+<span id="LC666" class="line" lang="haskell"></span>
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660
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667
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<pre style="margin: 0;"> <span id="LC667" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Emit Typeable bindings</span></span>
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661
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668
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<pre style="margin: 0;"> <span id="LC668" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">tcg_env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkTypeableBinds</span></span>
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669
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<pre style="margin: 0;"> <span id="LC669" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">tcg_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="687" style="width: 35px; color: rgba(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">@@ -680,7 +687,7 @@ tcRnHsBootDecls hsc_src decls</td>
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680
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<pre style="margin: 0;"> <span id="LC687" class="line" lang="haskell">              <span class="p">}</span></span>
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681
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688
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<pre style="margin: 0;"> <span id="LC688" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC689" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">setGlobalTypeEnv</span> <span class="n" style="color: #333;">gbl_env</span> <span class="n" style="color: #333;">type_env2</span></span>
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<pre style="margin: 0;">-<span id="LC683" class="line" lang="haskell">   <span class="p">}}}</span></span>
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<pre style="margin: 0;">+<span id="LC690" class="line" lang="haskell">   <span class="p">}}}<span class="idiff left right">}</span></span></span>
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<pre style="margin: 0;"> <span id="LC691" class="line" lang="haskell">   <span class="p">;</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"boot"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">lie</span><span class="p">);</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">gbl_env</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC692" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC693" class="line" lang="haskell"><span class="n" style="color: #333;">badBootDecl</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HscSource</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">decl</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1412" style="width: 35px; color: rgba(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="1419" style="width: 35px; color: rgba(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">@@ -1412,11 +1419,18 @@ tcTopSrcDecls (HsGroup { hs_tyclds = tycl_decls,</td>
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<td class="diff-line-num old_line" data-linenumber="1412" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1412
</td>
<td class="diff-line-num new_line" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1419
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1419" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Source-language instances, including derivings,</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1413
</td>
<td class="diff-line-num new_line" data-linenumber="1420" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1420
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1420" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- and import the supporting declarations</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1414" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1414
</td>
<td class="diff-line-num new_line" data-linenumber="1421" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1421
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1421" class="line" lang="haskell">        <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"Tc3"</span> <span class="n" style="color: #333;">empty</span> <span class="p">;</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="1415" 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">
1415
</td>
<td class="diff-line-num new_line old" data-linenumber="1422" 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="LC1415" class="line" lang="haskell">        <span class="p">(</span><span class="n" style="color: #333;">tcg_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_infos</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">XValBindsLR</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NValBinds</span> <span class="n" style="color: #333;">deriv_binds</span> <span class="n" style="color: #333;">deriv_sigs</span><span class="p">))</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1416" style="width: 35px; color: rgba(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="1422" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1422
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1422" class="line" lang="haskell">        <span class="p">(</span><span class="n" style="color: #333;">tcg_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_infos</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">XValBindsLR</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NValBinds</span> <span class="n" style="color: #333;">deriv_binds</span> <span class="n" style="color: #333;">deriv_sigs</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1416" style="width: 35px; color: rgba(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="1423" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1423
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1423" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">rec_sel_upd_binds</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1416" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1416
</td>
<td class="diff-line-num new_line" data-linenumber="1424" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1424
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1424" class="line" lang="haskell">            <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcTyClsInstDecls</span> <span class="n" style="color: #333;">tycl_decls</span> <span class="n" style="color: #333;">deriv_decls</span> <span class="n" style="color: #333;">val_binds</span> <span class="p">;</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1417" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1417
</td>
<td class="diff-line-num new_line" data-linenumber="1425" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1425
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1425" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1418" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1418
</td>
<td class="diff-line-num 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">
1426
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1426" class="line" lang="haskell">        <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">tcg_env</span>       <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1419
</td>
<td class="diff-line-num new_line" data-linenumber="1427" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1427
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1427" 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="1420" style="width: 35px; color: rgba(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="1428" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1428
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1428" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Record selectors and updaters</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="1420" style="width: 35px; color: rgba(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="1429" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1429
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1429" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- See Note [Calling tcRecSelBinds] in GHC.Tc.TyCl.Utils</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="1420" style="width: 35px; color: rgba(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="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">
1430
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1430" class="line" lang="haskell">        <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"Tc3a"</span> <span class="n" style="color: #333;">empty</span> <span class="p">;</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1420" style="width: 35px; color: rgba(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="1431" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1431
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1431" class="line" lang="haskell">        <span class="n" style="color: #333;">tcg_env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcRecSelBinds</span> <span class="n" style="color: #333;">rec_sel_upd_binds</span> <span class="p">;</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1420" style="width: 35px; color: rgba(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="1432" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1432
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1432" class="line" lang="haskell">        <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">tcg_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1420" style="width: 35px; color: rgba(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="1433" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1433
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1433" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1420" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1420
</td>
<td class="diff-line-num new_line" data-linenumber="1434" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1434
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1434" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Generate Applicative/Monad proposal (AMP) warnings</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1421" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1421
</td>
<td class="diff-line-num new_line" data-linenumber="1435" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1435
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1435" class="line" lang="haskell">        <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"Tc3b"</span> <span class="n" style="color: #333;">empty</span> <span class="p">;</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1422" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1422
</td>
<td class="diff-line-num new_line" data-linenumber="1436" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1436
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<pre style="margin: 0;"> <span id="LC1436" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1493" style="width: 35px; color: rgba(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="1507" style="width: 35px; color: rgba(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">@@ -1493,7 +1507,7 @@ tcTopSrcDecls (HsGroup { hs_tyclds = tycl_decls,</td>
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1493
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<td class="diff-line-num new_line" data-linenumber="1507" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1507
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<pre style="margin: 0;"> <span id="LC1507" class="line" lang="haskell">        <span class="n" style="color: #333;">addUsedGREs</span> <span class="p">(</span><span class="n" style="color: #333;">bagToList</span> <span class="n" style="color: #333;">fo_gres</span><span class="p">)</span> <span class="p">;</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1494" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1494
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<td class="diff-line-num new_line" data-linenumber="1508" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1508
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<pre style="margin: 0;"> <span id="LC1508" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1495" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1495
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<td class="diff-line-num new_line" data-linenumber="1509" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1509
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<pre style="margin: 0;"> <span id="LC1509" class="line" lang="haskell">        <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env'</span><span class="p">,</span> <span class="n" style="color: #333;">tcl_env</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1496" 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">
1496
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<td class="diff-line-num new_line old" data-linenumber="1510" 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="LC1496" class="line" lang="haskell">    <span class="p">}}}}}}</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1497" style="width: 35px; color: rgba(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="1510" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1510
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<pre style="margin: 0;">+<span id="LC1510" class="line" lang="haskell">    <span class="p">}}}}}}<span class="idiff left right">}</span></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1497" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1497
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<td class="diff-line-num new_line" data-linenumber="1511" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1511
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<pre style="margin: 0;"> <span id="LC1511" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1498" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1498
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<td class="diff-line-num new_line" data-linenumber="1512" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1512
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<pre style="margin: 0;"> <span id="LC1512" class="line" lang="haskell"><span class="n" style="color: #333;">tcTopSrcDecls</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">panic</span> <span class="s" style="color: #d14;">"tcTopSrcDecls: ValBindsIn"</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1499" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1499
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<td class="diff-line-num new_line" data-linenumber="1513" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1513
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<pre style="margin: 0;"> <span id="LC1513" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1689" style="width: 35px; color: rgba(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="1703" style="width: 35px; color: rgba(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">@@ -1689,13 +1703,14 @@ tcTyClsInstDecls :: [TyClGroup GhcRn]</td>
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1689
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<td class="diff-line-num new_line" data-linenumber="1703" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1703
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<pre style="margin: 0;"> <span id="LC1703" class="line" lang="haskell">                         <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">],</span>    <span class="c1" style="color: #998; font-style: italic;">-- Source-code instance decls to</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1690" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1690
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<td class="diff-line-num new_line" data-linenumber="1704" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1704
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<pre style="margin: 0;"> <span id="LC1704" class="line" lang="haskell">                                              <span class="c1" style="color: #998; font-style: italic;">-- process; contains all dfuns for</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1691" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1691
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<td class="diff-line-num new_line" data-linenumber="1705" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1705
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<pre style="margin: 0;"> <span id="LC1705" class="line" lang="haskell">                                              <span class="c1" style="color: #998; font-style: italic;">-- this module</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1692" 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">
1692
</td>
<td class="diff-line-num new_line old" data-linenumber="1706" 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="LC1692" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">HsValBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p"><span class="idiff left right">)</span></span>   <span class="c1" style="color: #998; font-style: italic;">-- Supporting bindings for derived</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1693" style="width: 35px; color: rgba(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="1706" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1706
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<pre style="margin: 0;">+<span id="LC1706" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">HsValBinds</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p"><span class="idiff left right">,</span></span>   <span class="c1" style="color: #998; font-style: italic;">-- Supporting bindings for derived</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1693" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1693
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<td class="diff-line-num new_line" data-linenumber="1707" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1707
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<pre style="margin: 0;"> <span id="LC1707" class="line" lang="haskell">                                              <span class="c1" style="color: #998; font-style: italic;">-- instances</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1694" style="width: 35px; color: rgba(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="1708" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1708
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<pre style="margin: 0;">+<span id="LC1708" class="line" lang="haskell">                          <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LHsBind</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">)])</span> <span class="c1" style="color: #998; font-style: italic;">-- Record selector/updater bindings</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1694" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1694
</td>
<td class="diff-line-num new_line" data-linenumber="1709" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1709
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<pre style="margin: 0;"> <span id="LC1709" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1695
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<td class="diff-line-num new_line" data-linenumber="1710" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1710
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<pre style="margin: 0;"> <span id="LC1710" class="line" lang="haskell"><span class="n" style="color: #333;">tcTyClsInstDecls</span> <span class="n" style="color: #333;">tycl_decls</span> <span class="n" style="color: #333;">deriv_decls</span> <span class="n" style="color: #333;">binds</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1696" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1696
</td>
<td class="diff-line-num new_line" data-linenumber="1711" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1711
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1711" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tcAddDataFamConPlaceholders</span> <span class="p">(</span><span class="n" style="color: #333;">tycl_decls</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">group_instds</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1697" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1697
</td>
<td class="diff-line-num new_line" data-linenumber="1712" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1712
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1712" class="line" lang="haskell">   <span class="n" style="color: #333;">tcAddPatSynPlaceholders</span> <span class="p">(</span><span class="n" style="color: #333;">getPatSynBinds</span> <span class="n" style="color: #333;">binds</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1698" 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">
1698
</td>
<td class="diff-line-num new_line old" data-linenumber="1713" 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="LC1698" class="line" lang="haskell">   <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_info</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1699" style="width: 35px; color: rgba(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="1713" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1713
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<pre style="margin: 0;">+<span id="LC1713" class="line" lang="haskell">   <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_info</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rec_sel_upd_binds</span></span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1699" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1699
</td>
<td class="diff-line-num new_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1714
</td>
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<pre style="margin: 0;"> <span id="LC1714" class="line" lang="haskell">          <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcTyAndClassDecls</span> <span class="n" style="color: #333;">tycl_decls</span> <span class="p">;</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1700" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1700
</td>
<td class="diff-line-num new_line" data-linenumber="1715" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1715
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1715" class="line" lang="haskell">      <span class="p">;</span> <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">tcg_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1701" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1701
</td>
<td class="diff-line-num new_line" data-linenumber="1716" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1716
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<pre style="margin: 0;"> <span id="LC1716" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- With the @TyClDecl@s and @InstDecl@s checked we're ready to</span></span>
</pre>
</td>
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<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1709" style="width: 35px; color: rgba(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="1724" style="width: 35px; color: rgba(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">@@ -1709,7 +1724,7 @@ tcTyClsInstDecls tycl_decls deriv_decls binds</td>
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<td class="diff-line-num old_line" data-linenumber="1709" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1709
</td>
<td class="diff-line-num new_line" data-linenumber="1724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1724
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<pre style="margin: 0;"> <span id="LC1724" class="line" lang="haskell">              <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcInstDeclsDeriv</span> <span class="n" style="color: #333;">deriv_info</span> <span class="n" style="color: #333;">deriv_decls</span></span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1710" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1710
</td>
<td class="diff-line-num new_line" data-linenumber="1725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1725
</td>
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<pre style="margin: 0;"> <span id="LC1725" class="line" lang="haskell">          <span class="p">;</span> <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">tcg_env'</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1711" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1711
</td>
<td class="diff-line-num new_line" data-linenumber="1726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1726
</td>
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<pre style="margin: 0;"> <span id="LC1726" class="line" lang="haskell">                <span class="n" style="color: #333;">failIfErrsM</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="1712" 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">
1712
</td>
<td class="diff-line-num new_line old" data-linenumber="1727" 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="LC1712" class="line" lang="haskell">              <span class="p">;</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env'</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info'</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">val_binds</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1713" style="width: 35px; color: rgba(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="1727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1727
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1727" class="line" lang="haskell">              <span class="p">;</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env'</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info'</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">val_binds</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rec_sel_upd_binds</span></span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1713" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1713
</td>
<td class="diff-line-num new_line" data-linenumber="1728" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1728
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1728" class="line" lang="haskell">      <span class="p">}}}</span></span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1714
</td>
<td class="diff-line-num new_line" data-linenumber="1729" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1729
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1729" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1715" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1715
</td>
<td class="diff-line-num new_line" data-linenumber="1730" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1730
</td>
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<pre style="margin: 0;"> <span id="LC1730" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- *********************************************************************</span></span>
</pre>
</td>
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</table>
<br>
</li>
<li id="83d23a46bb6cdc8b1edc16f1fd2c8f5c53e2c9ca">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/684c39f92e7b382de8ac9906ac16a152bb5f1f0e#83d23a46bb6cdc8b1edc16f1fd2c8f5c53e2c9ca"><strong>compiler/GHC/Tc/TyCl.hs</strong></a>
<hr>
<table class="code white" style="font-family: monospace; font-size: 90%;" bgcolor="#fff" width="100%" cellpadding="0" cellspacing="0">
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="130" style="width: 35px; color: rgba(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="130" style="width: 35px; color: rgba(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">@@ -130,31 +130,34 @@ tcTyAndClassDecls :: [TyClGroup GhcRn]      -- Mutually-recursive groups in</td>
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="haskell">                                            <span class="c1" style="color: #998; font-style: italic;">-- and their implicit Ids,DataCons</span></span>
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<pre style="margin: 0;"> <span id="LC131" class="line" lang="haskell">                         <span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- Source-code instance decls info</span></span>
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<pre style="margin: 0;"> <span id="LC132" class="line" lang="haskell">                         <span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">]</span>      <span class="c1" style="color: #998; font-style: italic;">-- Deriving info</span></span>
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<pre style="margin: 0;">+<span id="LC133" class="line" lang="haskell">                         <span class="p">,</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LHsBind</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">)]</span> <span class="c1" style="color: #998; font-style: italic;">-- Record selector/updater bindings</span></span>
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<pre style="margin: 0;"> <span id="LC134" class="line" lang="haskell">                         <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC135" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Fails if there are any errors</span></span>
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<pre style="margin: 0;"> <span id="LC136" class="line" lang="haskell"><span class="n" style="color: #333;">tcTyAndClassDecls</span> <span class="n" style="color: #333;">tyclds_s</span></span>
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<pre style="margin: 0;"> <span id="LC137" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- The code recovers internally, but if anything gave rise to</span></span>
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<pre style="margin: 0;"> <span id="LC138" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- an error we'd better stop now, to avoid a cascade</span></span>
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<pre style="margin: 0;"> <span id="LC139" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Type check each group in dependency order folding the global env</span></span>
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<pre style="margin: 0;">-<span id="LC139" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">checkNoErrs</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">fold_env</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="n" style="color: #333;">tyclds_s</span></span>
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<pre style="margin: 0;">+<span id="LC140" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">checkNoErrs</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">fold_env</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">[]</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">tyclds_s</span></span>
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<pre style="margin: 0;"> <span id="LC141" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC142" class="line" lang="haskell">    <span class="n" style="color: #333;">fold_env</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC143" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC144" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">-></span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LHsBind</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">)]</span></span>
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<pre style="margin: 0;"> <span id="LC145" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyClGroup</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">]</span></span>
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<pre style="margin: 0;">-<span id="LC144" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">],</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">])</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC145" class="line" lang="haskell">    <span class="n" style="color: #333;">fold_env</span> <span class="n" style="color: #333;">inst_info</span> <span class="n" style="color: #333;">deriv_info</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC146" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">],</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">]<span class="idiff left">,</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">Id</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LHsBind</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcRn</span></span><span class="p"><span class="idiff right">)]</span>)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="147" style="width: 35px; color: rgba(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="LC147" class="line" lang="haskell">    <span class="n" style="color: #333;">fold_env</span> <span class="n" style="color: #333;">inst_info</span> <span class="n" style="color: #333;">deriv_info</span> <span class="n" style="color: #333;"><span class="idiff left">rec_sel_upd_binds</span></span><span class="idiff right"> </span><span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC148" 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;">gbl_env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getGblEnv</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="149" 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="LC147" 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;">gbl_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_info</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC148" class="line" lang="haskell">    <span class="n" style="color: #333;">fold_env</span> <span class="n" style="color: #333;">inst_info</span> <span class="n" style="color: #333;">deriv_info</span> <span class="p">(</span><span class="n" style="color: #333;">tyclds</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">tyclds_s</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC149" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info'</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_info'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcTyClGroup</span> <span class="n" style="color: #333;">tyclds</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC149" 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;">gbl_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_info</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rec_sel_upd_binds</span></span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC150" class="line" lang="haskell">    <span class="n" style="color: #333;">fold_env</span> <span class="n" style="color: #333;">inst_info</span> <span class="n" style="color: #333;">deriv_info</span> <span class="n" style="color: #333;"><span class="idiff left">rec_sel_upd_binds</span></span><span class="idiff right"> </span><span class="p">(</span><span class="n" style="color: #333;">tyclds</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">tyclds_s</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC151" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">tcg_env</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info'</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_info'</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rec_sel_upd_binds'</span></span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcTyClGroup</span> <span class="n" style="color: #333;">tyclds</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC152" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">tcg_env</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC153" class="line" lang="haskell">               <span class="c1" style="color: #998; font-style: italic;">-- remaining groups are typechecked in the extended global env.</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC154" class="line" lang="haskell">             <span class="n" style="color: #333;">fold_env</span> <span class="p">(</span><span class="n" style="color: #333;">inst_info'</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">inst_info</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC155" class="line" lang="haskell">                      <span class="p">(</span><span class="n" style="color: #333;">deriv_info'</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">deriv_info</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC156" class="line" lang="haskell">                      <span class="p">(</span><span class="n" style="color: #333;">rec_sel_upd_binds'</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">rec_sel_upd_binds</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC157" class="line" lang="haskell">                      <span class="n" style="color: #333;">tyclds_s</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC158" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC159" class="line" lang="haskell"><span class="n" style="color: #333;">tcTyClGroup</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyClGroup</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span></span>
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<td class="diff-line-num new_line old" data-linenumber="160" 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="LC157" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">],</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">])</span></span>
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<pre style="margin: 0;">+<span id="LC160" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">],</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">]<span class="idiff left">,</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">Id</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LHsBind</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcRn</span></span><span class="p"><span class="idiff right">)]</span>)</span></span>
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<pre style="margin: 0;"> <span id="LC161" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Typecheck one strongly-connected component of type, class, and instance decls</span></span>
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<pre style="margin: 0;"> <span id="LC162" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [TyClGroups and dependency analysis] in GHC.Hs.Decls</span></span>
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<pre style="margin: 0;"> <span id="LC163" class="line" lang="haskell"><span class="n" style="color: #333;">tcTyClGroup</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyClGroup</span> <span class="p">{</span> <span class="n" style="color: #333;">group_tyclds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tyclds</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="195" style="width: 35px; color: rgba(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="198" style="width: 35px; color: rgba(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">@@ -195,12 +198,16 @@ tcTyClGroup (TyClGroup { group_tyclds = tyclds</td>
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<pre style="margin: 0;"> <span id="LC198" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">gbl_env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addTyConsToGblEnv</span> <span class="n" style="color: #333;">tyclss</span></span>
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<pre style="margin: 0;"> <span id="LC199" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC200" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- Step 4: check instance declarations</span></span>
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<pre style="margin: 0;">-<span id="LC198" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">gbl_env'</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">datafam_deriv_info</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span></span>
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<pre style="margin: 0;">+<span id="LC201" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">gbl_env'</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">datafam_deriv_info</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">data_rep_tycons</span></span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="202" style="width: 35px; color: rgba(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="LC202" class="line" lang="haskell">         <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">gbl_env</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC203" class="line" lang="haskell">         <span class="n" style="color: #333;">tcInstDecls1</span> <span class="n" style="color: #333;">instds</span></span>
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<td class="diff-line-num new_line" data-linenumber="204" style="width: 35px; color: rgba(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="LC204" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC205" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- Step 5: build record selectors/updaters, don't type-check them yet</span></span>
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<pre style="margin: 0;">+<span id="LC206" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- See Note [Calling tcRecSelBinds] in GHC.Tc.TyCl.Utils</span></span>
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<pre style="margin: 0;">+<span id="LC207" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rec_sel_upd_binds</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkRecSelBinds</span> <span class="p">(</span><span class="n" style="color: #333;">tyclss</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">data_rep_tycons</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC208" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC209" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">deriv_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">datafam_deriv_info</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">data_deriv_info</span></span>
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<pre style="margin: 0;">-<span id="LC203" 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;">gbl_env'</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_info</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC210" 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;">gbl_env'</span><span class="p">,</span> <span class="n" style="color: #333;">inst_info</span><span class="p">,</span> <span class="n" style="color: #333;">deriv_info</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rec_sel_upd_binds</span></span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC212" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Gives the kind for every TyCon that has a standalone kind signature</span></span>
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<pre style="margin: 0;"> <span id="LC213" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">KindSigEnv</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NameEnv</span> <span class="kt" style="color: #458; font-weight: 600;">Kind</span></span>
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<br>
</li>
<li id="e63425e031ffe9350ee6b1687e506aaea75d11e1">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/684c39f92e7b382de8ac9906ac16a152bb5f1f0e#e63425e031ffe9350ee6b1687e506aaea75d11e1"><strong>compiler/GHC/Tc/TyCl/Instance.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">@@ -382,7 +382,8 @@ tcInstDecls1    -- Deal with both source-code and imported instance decls</td>
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<pre style="margin: 0;"> <span id="LC382" class="line" lang="haskell">   <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span>            <span class="c1" style="color: #998; font-style: italic;">-- The full inst env</span></span>
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<pre style="margin: 0;"> <span id="LC383" class="line" lang="haskell">           <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">],</span>    <span class="c1" style="color: #998; font-style: italic;">-- Source-code instance decls to process;</span></span>
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<pre style="margin: 0;"> <span id="LC384" class="line" lang="haskell">                                <span class="c1" style="color: #998; font-style: italic;">-- contains all dfuns for this module</span></span>
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<td class="diff-line-num new_line old" data-linenumber="385" 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="LC385" class="line" lang="haskell">           <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">])</span>         <span class="c1" style="color: #998; font-style: italic;">-- >From data family instances</span></span>
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<pre style="margin: 0;">+<span id="LC385" class="line" lang="haskell">           <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">],</span>         <span class="c1" style="color: #998; font-style: italic;">-- >From data family instances</span></span>
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<td class="diff-line-num new old_line" data-linenumber="386" style="width: 35px; color: rgba(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="LC386" class="line" lang="haskell">           <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyCon</span><span class="p">])</span>             <span class="c1" style="color: #998; font-style: italic;">-- Data family instance representation tycons</span></span>
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<pre style="margin: 0;"> <span id="LC387" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC388" class="line" lang="haskell"><span class="n" style="color: #333;">tcInstDecls1</span> <span class="n" style="color: #333;">inst_decls</span></span>
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389
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<pre style="margin: 0;"> <span id="LC389" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span>    <span class="c1" style="color: #998; font-style: italic;">-- Do class and family instance declarations</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="392" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -392,13 +393,14 @@ tcInstDecls1 inst_decls</td>
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<pre style="margin: 0;"> <span id="LC393" class="line" lang="haskell">             <span class="n" style="color: #333;">fam_insts</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">concat</span> <span class="n" style="color: #333;">fam_insts_s</span></span>
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<pre style="margin: 0;"> <span id="LC394" class="line" lang="haskell">             <span class="n" style="color: #333;">local_infos</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">concat</span> <span class="n" style="color: #333;">local_infos_s</span></span>
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<pre style="margin: 0;"> <span id="LC395" class="line" lang="haskell"></span>
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<td class="diff-line-num new_line old" data-linenumber="396" 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="LC395" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;"><span class="idiff left right">gbl_env</span></span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addClsInsts</span> <span class="n" style="color: #333;">local_infos</span> <span class="o" style="font-weight: 600;">$</span></span>
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<td class="diff-line-num new old_line" data-linenumber="396" style="width: 35px; color: rgba(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="LC396" class="line" lang="haskell">       <span class="p">;</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">data_rep_tycons</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">gbl_env</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;">addClsInsts</span> <span class="n" style="color: #333;">local_infos</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;"> <span id="LC397" class="line" lang="haskell">                    <span class="n" style="color: #333;">addFamInsts</span> <span class="n" style="color: #333;">fam_insts</span>   <span class="o" style="font-weight: 600;">$</span></span>
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397
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<td class="diff-line-num new_line" data-linenumber="398" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
398
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<pre style="margin: 0;"> <span id="LC398" class="line" lang="haskell">                    <span class="n" style="color: #333;">getGblEnv</span></span>
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398
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399
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<pre style="margin: 0;"> <span id="LC399" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC400" 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;">gbl_env</span></span>
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<pre style="margin: 0;"> <span id="LC401" class="line" lang="haskell">                <span class="p">,</span> <span class="n" style="color: #333;">local_infos</span></span>
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<pre style="margin: 0;">-<span id="LC401" class="line" lang="haskell">                <span class="p">,</span> <span class="n" style="color: #333;">concat</span> <span class="n" style="color: #333;">datafam_deriv_infos</span> <span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC402" class="line" lang="haskell">                <span class="p">,</span> <span class="n" style="color: #333;">concat</span> <span class="n" style="color: #333;">datafam_deriv_infos</span></span>
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<pre style="margin: 0;">+<span id="LC403" class="line" lang="haskell">                <span class="p">,</span> <span class="n" style="color: #333;">data_rep_tycons</span> <span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC404" class="line" lang="haskell"></span>
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<td class="diff-line-num new_line" data-linenumber="405" style="width: 35px; color: rgba(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="LC405" class="line" lang="haskell"><span class="cd">-- | Use DerivInfo for data family instances (produced by tcInstDecls1),</span></span>
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<pre style="margin: 0;"> <span id="LC406" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   datatype declarations (TyClDecl), and standalone deriving declarations</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">@@ -419,9 +421,10 @@ addClsInsts :: [InstInfo GhcRn] -> TcM a -> TcM a</td>
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<pre style="margin: 0;"> <span id="LC421" class="line" lang="haskell"><span class="n" style="color: #333;">addClsInsts</span> <span class="n" style="color: #333;">infos</span> <span class="n" style="color: #333;">thing_inside</span></span>
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<pre style="margin: 0;"> <span id="LC422" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tcExtendLocalInstEnv</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">iSpec</span> <span class="n" style="color: #333;">infos</span><span class="p">)</span> <span class="n" style="color: #333;">thing_inside</span></span>
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<pre style="margin: 0;"> <span id="LC423" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC422" class="line" lang="haskell"><span class="n" style="color: #333;">addFamInsts</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">FamInst</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</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;">TcM</span> <span class="n" style="color: #333;"><span class="idiff left right">a</span></span></span>
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<pre style="margin: 0;">+<span id="LC424" class="line" lang="haskell"><span class="n" style="color: #333;">addFamInsts</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">FamInst</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</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;">TcM</span> <span class="p"><span class="idiff left">([</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TyCon</span></span><span class="p"><span class="idiff">],</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">a</span></span><span class="p"><span class="idiff right">)</span></span></span>
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<pre style="margin: 0;"> <span id="LC425" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Extend (a) the family instance envt</span></span>
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<pre style="margin: 0;"> <span id="LC426" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--        (b) the type envt with stuff from data type decls</span></span>
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<pre style="margin: 0;">+<span id="LC427" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Additionally return the data family representation tycons</span></span>
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<pre style="margin: 0;"> <span id="LC428" class="line" lang="haskell"><span class="n" style="color: #333;">addFamInsts</span> <span class="n" style="color: #333;">fam_insts</span> <span class="n" style="color: #333;">thing_inside</span></span>
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<pre style="margin: 0;"> <span id="LC429" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tcExtendLocalFamInstEnv</span> <span class="n" style="color: #333;">fam_insts</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;"> <span id="LC430" class="line" lang="haskell">    <span class="n" style="color: #333;">tcExtendGlobalEnv</span> <span class="n" style="color: #333;">axioms</span>          <span class="o" style="font-weight: 600;">$</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">@@ -429,7 +432,8 @@ addFamInsts fam_insts thing_inside</td>
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<pre style="margin: 0;"> <span id="LC432" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">gbl_env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addTyConsToGblEnv</span> <span class="n" style="color: #333;">data_rep_tycons</span></span>
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<pre style="margin: 0;"> <span id="LC433" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- Does not add its axiom; that comes</span></span>
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<pre style="margin: 0;"> <span id="LC434" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- from adding the 'axioms' above</span></span>
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<pre style="margin: 0;">-<span id="LC432" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">gbl_env</span> <span class="n" style="color: #333;">thing_inside</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC435" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">setGblEnv</span> <span class="n" style="color: #333;">gbl_env</span> <span class="n" style="color: #333;">thing_inside</span></span>
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<pre style="margin: 0;">+<span id="LC436" 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;">data_rep_tycons</span><span class="p">,</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC437" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC438" class="line" lang="haskell">    <span class="n" style="color: #333;">axioms</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ACoAxiom</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">toBranchedAxiom</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">famInstAxiom</span><span class="p">)</span> <span class="n" style="color: #333;">fam_insts</span></span>
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<pre style="margin: 0;"> <span id="LC439" class="line" lang="haskell">    <span class="n" style="color: #333;">data_rep_tycons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">famInstsRepTyCons</span> <span class="n" style="color: #333;">fam_insts</span></span>
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<br>
</li>
<li id="f04235bf859e624dffc011ef839bc10f854d8bf9">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/684c39f92e7b382de8ac9906ac16a152bb5f1f0e#f04235bf859e624dffc011ef839bc10f854d8bf9"><strong>compiler/GHC/Tc/TyCl/Instance.hs-boot</strong></a>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.Tc.TyCl.Instance</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">tcInstDecls1</span> <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCon</span></span>
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<pre style="margin: 0;"> <span id="LC9" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Hs</span></span>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Types</span></span>
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<pre style="margin: 0;"> <span id="LC11" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Utils.Env</span><span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="p">)</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="13" style="width: 35px; color: rgba(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="14" style="width: 35px; color: rgba(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">@@ -13,4 +14,4 @@ import GHC.Tc.Deriv</td>
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<pre style="margin: 0;"> <span id="LC14" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We need this because of the mutual recursion</span></span>
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<pre style="margin: 0;"> <span id="LC15" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- between GHC.Tc.TyCl and GHC.Tc.TyCl.Instance</span></span>
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="haskell"><span class="n" style="color: #333;">tcInstDecls1</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">LInstDecl</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="17" 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="LC16" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">],</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">])</span></span></pre>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell">             <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InstInfo</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">],</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">DerivInfo</span><span class="p">]<span class="idiff left">,</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">TyCon</span></span><span class="p"><span class="idiff right">]</span>)</span></span></pre>
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<li id="5ed3ecf19a26af612b8100b2639f8e153f580fe9">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/684c39f92e7b382de8ac9906ac16a152bb5f1f0e#5ed3ecf19a26af612b8100b2639f8e153f580fe9"><strong>compiler/GHC/Tc/TyCl/Utils.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">@@ -763,9 +763,7 @@ addTyConsToGblEnv tyclss</td>
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<pre style="margin: 0;"> <span id="LC763" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"tcAddTyCons"</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">vcat</span></span>
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<pre style="margin: 0;"> <span id="LC764" class="line" lang="haskell">            <span class="p">[</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"tycons"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">tyclss</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC765" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"implicits"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">implicit_things</span> <span class="p">]</span></span>
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<td class="diff-line-num new_line old" data-linenumber="766" 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="LC766" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">gbl_env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcRemoveDataFamConPlaceholders</span> <span class="n" style="color: #333;">tyclss</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;">-<span id="LC767" class="line" lang="haskell">                        <span class="n" style="color: #333;">tcRecSelBinds</span> <span class="o" style="font-weight: 600;">=<<</span> <span class="n" style="color: #333;">mkRecSelBinds</span> <span class="n" style="color: #333;">tyclss</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC768" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">gbl_env</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC766" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">getGblEnv</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC767" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC768" class="line" lang="haskell">   <span class="n" style="color: #333;">implicit_things</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">concatMap</span> <span class="n" style="color: #333;">implicitTyConThings</span> <span class="n" style="color: #333;">tyclss</span></span>
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<pre style="margin: 0;"> <span id="LC769" class="line" lang="haskell">   <span class="n" style="color: #333;">def_meth_ids</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkDefaultMethodIds</span> <span class="n" style="color: #333;">tyclss</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1390,30 +1388,15 @@ exists, we do not currently solve HasField constraints for fields defined by</td>
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<pre style="margin: 0;"> <span id="LC1388" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">pattern synonyms.  And since we do not need updaters for anything other than</span></span>
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<pre style="margin: 0;"> <span id="LC1389" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">solving HasField constraints, we do not generate them for pattern synonyms.</span></span>
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<pre style="margin: 0;"> <span id="LC1390" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC1393" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">-<span id="LC1394" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC1395" 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="1396" 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">
1396
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1396" class="line" lang="haskell"><span class="n" style="color: #333;">tcRemoveDataFamConPlaceholders</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyCon</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</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;">TcM</span> <span class="n" style="color: #333;">a</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="1397" 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">
1397
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1397" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ^ Remove the placeholders added by tcAddDataFamConPlaceholders</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="1398" 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">
1398
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1398" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [tcRemoveDataFamConPlaceholders]</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="1399" 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">
1399
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1399" class="line" lang="haskell"><span class="n" style="color: #333;">tcRemoveDataFamConPlaceholders</span> <span class="n" style="color: #333;">tycons</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">updLclEnv</span> <span class="n" style="color: #333;">upd_env</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="1400" 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">
1400
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1400" 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="1401" 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">
1401
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1401" class="line" lang="haskell">    <span class="n" style="color: #333;">upd_env</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span> <span class="p">{</span> <span class="n" style="color: #333;">tcl_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">delListFromNameEnv</span> <span class="p">(</span><span class="n" style="color: #333;">tcl_env</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="n" style="color: #333;">cons</span> <span class="p">}</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="1402" 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">
1402
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1402" 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="1403" 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">
1403
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1403" class="line" lang="haskell">    <span class="n" style="color: #333;">cons</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span> <span class="n" style="color: #333;">dataConName</span> <span class="n" style="color: #333;">data_con</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="1404" 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">
1404
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1404" class="line" lang="haskell">           <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">tycon</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tycons</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="1405" 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">
1405
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1405" class="line" lang="haskell">           <span class="p">,</span> <span class="n" style="color: #333;">isFamInstTyCon</span> <span class="n" style="color: #333;">tycon</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="1406" 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">
1406
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1406" class="line" lang="haskell">           <span class="p">,</span> <span class="n" style="color: #333;">data_con</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tyConDataCons</span> <span class="n" style="color: #333;">tycon</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1407" 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">
1407
</td>
<td class="diff-line-num new_line old" data-linenumber="1391" 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="LC1407" class="line" lang="haskell">           <span class="p">]</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1408" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1408
</td>
<td class="diff-line-num new_line" data-linenumber="1391" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1391
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1391" 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="1409" 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">
1409
</td>
<td class="diff-line-num new_line old" data-linenumber="1392" 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="LC1409" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</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="1410" 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">
1410
</td>
<td class="diff-line-num new_line old" data-linenumber="1392" 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="LC1410" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [tcRemoveDataFamConPlaceholders]</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="1411" 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">
1411
</td>
<td class="diff-line-num new_line old" data-linenumber="1392" 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="LC1411" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1412" style="width: 35px; color: rgba(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="1392" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1392
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1392" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Calling tcRecSelBinds]</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="1412" style="width: 35px; color: rgba(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="1393" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1393
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1393" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1412" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1412
</td>
<td class="diff-line-num new_line" data-linenumber="1394" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1394
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1394" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">When type-checking record update bindings, we need to be able to look up the</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1413
</td>
<td class="diff-line-num new_line" data-linenumber="1395" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1395
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1395" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">data constructors for the corresponding datatypes, because the constructors are</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1414" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1414
</td>
<td class="diff-line-num new_line" data-linenumber="1396" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1396
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1396" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">used in the definitions.  However, for data constructors in data family</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="1415" 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">
1415
</td>
<td class="diff-line-num new_line old" data-linenumber="1397" 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="LC1415" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">instances the tcl_env contains placeholder bindings added to prevent the use of</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="1416" 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">
1416
</td>
<td class="diff-line-num new_line old" data-linenumber="1397" 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="LC1416" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">promotion (see Note [AFamDataCon: not promoting data family constructors] in</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="1417" 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">
1417
</td>
<td class="diff-line-num new_line old" data-linenumber="1397" 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="LC1417" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">GHC.Tc.Utils.Env).  Thus we must remove them again before the call to</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="1418" 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">
1418
</td>
<td class="diff-line-num new_line old" data-linenumber="1397" 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="LC1418" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">tcRecSelBinds in addTyConsToGblEnv.</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="1419" style="width: 35px; color: rgba(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="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1397
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1397" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">instances, tcTyClsInstDecls adds placeholder bindings added to prevent the use</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="1419" style="width: 35px; color: rgba(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="1398" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1398
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1398" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">of promotion (see Note [AFamDataCon: not promoting data family constructors] in</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="1419" style="width: 35px; color: rgba(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="1399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1399
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1399" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">GHC.Tc.Utils.Env).  Thus we cannot call tcReclSelBinds in addTyConsToGblEnv, but</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="1419" style="width: 35px; color: rgba(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="1400" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1400
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1400" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">instead have to wait until tcTyClsInstDecls has completed.</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="1419" style="width: 35px; color: rgba(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="1401" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1401
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1401" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1419
</td>
<td class="diff-line-num new_line" data-linenumber="1402" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1402
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1402" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span></pre>
</td>
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