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<h3>

Simon Peyton Jones pushed to branch wip/T16762

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/10f00950d0a63b784999973f0960a5e4be894a11">10f00950</a></strong>

<div>

<span>by Ryan Scott</span>

<i>at 2020-10-27T22:42:49+00:00</i>

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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix mistakes in the Haddock patch

</pre>

</li>

<li>

<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/104f60c856d5d9d19203a0811e09a053394b0c11">104f60c8</a></strong>

<div>

<span>by Simon Peyton Jones</span>

<i>at 2020-10-27T22:46:40+00:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Re-add Ryan's wibbles

</pre>

</li>

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<h4>9 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#018be522bc4813b147a1525e4f96a7a493207d96">

compiler/GHC/Hs/Type.hs

</a>

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<li class="file-stats">

<a href="#13755bdc5d6c6b4c6f31604eb0da778521355795">

compiler/GHC/Parser/PostProcess/Haddock.hs

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<li class="file-stats">

<a href="#892acbb198a9095c917740d3c1297b56df4e3b7e">

compiler/GHC/Rename/HsType.hs

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<a href="#83f745d921da7adb739e81f83e1c07e723e4a789">

compiler/GHC/Tc/Gen/Bind.hs

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<li class="file-stats">

<a href="#9355bef855426caf5f526925edf351b20f9a86c4">

compiler/GHC/Tc/Gen/HsType.hs

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<a href="#54436e21ea530a66a8a71bcc01c836f4740b8f02">

compiler/GHC/Tc/Solver.hs

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<a href="#83d23a46bb6cdc8b1edc16f1fd2c8f5c53e2c9ca">

compiler/GHC/Tc/TyCl.hs

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<a href="#12e9a235091270f449a4420b4b279b5c583ad1dd">

testsuite/tests/polykinds/T16762c.hs

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<a href="#46ddb8dda2edd2df4717a3285e83997fc812a347">

utils/haddock

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<h4>Changes:</h4>

<li id="018be522bc4813b147a1525e4f96a7a493207d96">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#018be522bc4813b147a1525e4f96a7a493207d96"><strong>compiler/GHC/Hs/Type.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">@@ -457,7 +457,7 @@ data HsOuterTyVarBndrs flag pass</td>

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<pre style="margin: 0;"> <span id="LC457" class="line" lang="haskell"><span class="cd">-- | Used for signatures, e.g.,</span></span>

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<pre style="margin: 0;"> <span id="LC458" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

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<pre style="margin: 0;"> <span id="LC459" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @</span></span>

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<pre style="margin: 0;">-<span id="LC460" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- f :: forall a {b}. blah<span class="idiff left right">g</span></span></span>

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<pre style="margin: 0;">+<span id="LC460" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- f :: forall a {b}. blah</span></span>

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<pre style="margin: 0;"> <span id="LC461" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @</span></span>

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<pre style="margin: 0;"> <span id="LC462" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

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<pre style="margin: 0;"> <span id="LC463" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We use 'Specificity' for the 'HsOuterTyVarBndrs' @flag@ to allow</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">@@ -1664,8 +1664,8 @@ splitLHsSigmaTyInvis ty</td>

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<pre style="margin: 0;"> <span id="LC1664" class="line" lang="haskell"><span class="cd">-- | Decompose a GADT type into its constituent parts.</span></span>

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<pre style="margin: 0;"> <span id="LC1665" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns @(outer_bndrs, mb_ctxt, body)@, where:</span></span>

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<pre style="margin: 0;"> <span id="LC1666" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

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<pre style="margin: 0;">-<span id="LC1667" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * @outer_bndrs@ are 'OuterExplicit' if the type has explicit, outermost</span></span>

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<pre style="margin: 0;">-<span id="LC1668" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   type variable binders. Otherwise, they are 'OuterImplicit'.</span></span>

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<pre style="margin: 0;">+<span id="LC1667" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * @outer_bndrs@ are '<span class="idiff left right">Hs</span>OuterExplicit' if the type has explicit, outermost</span></span>

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<pre style="margin: 0;">+<span id="LC1668" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   type variable binders. Otherwise, they are '<span class="idiff left right">Hs</span>OuterImplicit'.</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1669" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

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<pre style="margin: 0;"> <span id="LC1670" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * @mb_ctxt@ is @Just@ the context, if it is provided.</span></span>

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<pre style="margin: 0;"> <span id="LC1671" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   Otherwise, it is @Nothing@.</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1684" style="width: 35px; color: rgba(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="1684" style="width: 35px; color: rgba(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">@@ -1684,7 +1684,7 @@ splitLHsGadtTy (L _ sig_ty)</td>

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<pre style="margin: 0;"> <span id="LC1684" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">outer_bndrs</span><span class="p">,</span> <span class="n" style="color: #333;">mb_ctxt</span><span class="p">,</span> <span class="n" style="color: #333;">tau_ty</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC1685" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<td class="diff-line-num old_line" data-linenumber="1686" style="width: 35px; color: rgba(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="LC1686" class="line" lang="haskell">    <span class="n" style="color: #333;">split_bndrs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsOuterSigTyVarBndrs</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC1687" class="line" lang="haskell">    <span class="n" style="color: #333;">split_bndrs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsSig</span><span class="idiff left"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">sig_bndrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">outer_bndrs</span><span class="p">,</span> <span class="n" style="color: #333;">sig_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body_ty</span><span class="p">})</span> <span class="o" style="font-weight: 600;">=</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC1687" class="line" lang="haskell">    <span class="n" style="color: #333;">split_bndrs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsSig</span><span class="p"><span class="idiff left right">{</span></span><span class="n" style="color: #333;">sig_bndrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">outer_bndrs</span><span class="p">,</span> <span class="n" style="color: #333;">sig_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body_ty</span><span class="p">})</span> <span class="o" style="font-weight: 600;">=</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1688" class="line" lang="haskell">      <span class="p">(</span><span class="n" style="color: #333;">outer_bndrs</span><span class="p">,</span> <span class="n" style="color: #333;">body_ty</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num 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">

1689

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<td class="diff-line-num new_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">

1689

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<pre style="margin: 0;"> <span id="LC1689" class="line" lang="haskell"></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">

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<pre style="margin: 0;"> <span id="LC1690" class="line" lang="haskell"><span class="cd">-- | Decompose a type of the form @forall <tvs>. body@ into its constituent</span></span>

</pre>

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<br>

</li>

<li id="13755bdc5d6c6b4c6f31604eb0da778521355795">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#13755bdc5d6c6b4c6f31604eb0da778521355795"><strong>compiler/GHC/Parser/PostProcess/Haddock.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="933" style="width: 35px; color: rgba(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="933" style="width: 35px; color: rgba(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">@@ -933,8 +933,6 @@ instance HasHaddock a => HasHaddock (HsWildCardBndrs GhcPs a) where</td>

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<pre style="margin: 0;"> <span id="LC933" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="934" style="width: 35px; color: rgba(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="LC934" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasHaddock</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">))</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="935" style="width: 35px; color: rgba(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="LC935" class="line" lang="haskell">  <span class="n" style="color: #333;">addHaddock</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsSig</span><span class="p">{</span><span class="n" style="color: #333;">sig_bndrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">outer_bndrs</span><span class="p">,</span> <span class="n" style="color: #333;">sig_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body</span><span class="p">}))</span> <span class="o" style="font-weight: 600;">=</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC936" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- TODO RGS: I cargo-culted this code from the HsForAllTy case of the</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="937" 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">

937

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<td class="diff-line-num new_line old" data-linenumber="936" 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="LC937" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- HasHaddock instance for HsType. Is this right? Need Vlad to check.</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="938" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

938

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936

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<pre style="margin: 0;"> <span id="LC936" class="line" lang="haskell">    <span class="n" style="color: #333;">extendHdkA</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="939" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

939

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<td class="diff-line-num new_line" data-linenumber="937" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

937

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<pre style="margin: 0;"> <span id="LC937" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">outer_bndrs</span> <span class="kr" style="font-weight: 600;">of</span></span>

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<td class="diff-line-num old_line" data-linenumber="940" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

940

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<pre style="margin: 0;"> <span id="LC938" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">HsOuterImplicit</span><span class="p">{}</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="nb" style="color: #0086b3;">()</span></span>

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<br>

</li>

<li id="892acbb198a9095c917740d3c1297b56df4e3b7e">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#892acbb198a9095c917740d3c1297b56df4e3b7e"><strong>compiler/GHC/Rename/HsType.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="12" style="width: 35px; color: rgba(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="12" style="width: 35px; color: rgba(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">@@ -12,7 +12,7 @@ module GHC.Rename.HsType (</td>

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<td class="diff-line-num old_line" data-linenumber="12" style="width: 35px; color: rgba(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="LC12" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnHsType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnLHsType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnLHsTypes</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnContext</span><span class="p">,</span></span>

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13

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<pre style="margin: 0;"> <span id="LC13" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnHsKind</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnLHsKind</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnLHsTypeArgs</span><span class="p">,</span></span>

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14

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<pre style="margin: 0;"> <span id="LC14" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnHsSigType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnHsWcType</span><span class="p">,</span></span>

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<pre style="margin: 0;">-<span id="LC15" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Hs<span class="idiff left right">SigWc</span>TypeScoping</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">rnHsSigWcType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnHsPatSigType</span><span class="p">,</span></span>

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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Hs<span class="idiff left right">PatSig</span>TypeScoping</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">rnHsSigWcType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnHsPatSigType</span><span class="p">,</span></span>

</pre>

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16

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<pre style="margin: 0;"> <span id="LC16" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">newTyVarNameRn</span><span class="p">,</span></span>

</pre>

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17

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<pre style="margin: 0;"> <span id="LC17" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnConDeclFields</span><span class="p">,</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC18" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnLTyVar</span><span class="p">,</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="81" style="width: 35px; color: rgba(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="81" style="width: 35px; color: rgba(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">@@ -81,7 +81,7 @@ to break several loops.</td>

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<pre style="margin: 0;"> <span id="LC81" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*********************************************************</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC82" 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="LC83" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC84" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Hs<span class="idiff left right">SigWc</span>TypeScoping</span></span>

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<pre style="margin: 0;">+<span id="LC84" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Hs<span class="idiff left right">PatSig</span>TypeScoping</span></span>

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<pre style="margin: 0;"> <span id="LC85" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">AlwaysBind</span></span>

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<pre style="margin: 0;"> <span id="LC86" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Always bind any free tyvars of the given type, regardless of whether we</span></span>

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<pre style="margin: 0;"> <span id="LC87" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- have a forall at the top.</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="131" style="width: 35px; color: rgba(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="131" style="width: 35px; color: rgba(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">@@ -131,7 +131,7 @@ rnHsSigWcType doc (HsWC { hswc_body =</td>

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<pre style="margin: 0;"> <span id="LC131" class="line" lang="haskell">                      <span class="p">,</span> <span class="n" style="color: #333;">sig_bndrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">outer_bndrs'</span><span class="p">,</span> <span class="n" style="color: #333;">sig_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body_ty'</span> <span class="p">}}</span></span>

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<pre style="margin: 0;"> <span id="LC132" class="line" lang="haskell">              <span class="p">,</span> <span class="n" style="color: #333;">fvs</span><span class="p">)</span> <span class="p">}</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC133" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC134" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsPatSigType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Hs<span class="idiff left right">SigWc</span>TypeScoping</span></span>

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<pre style="margin: 0;">+<span id="LC134" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsPatSigType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Hs<span class="idiff left right">PatSig</span>TypeScoping</span></span>

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<pre style="margin: 0;"> <span id="LC135" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span></span>

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<pre style="margin: 0;"> <span id="LC136" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

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<pre style="margin: 0;"> <span id="LC137" 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;">HsPatSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">))</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="146" style="width: 35px; color: rgba(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="146" style="width: 35px; color: rgba(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">@@ -146,32 +146,20 @@ rnHsPatSigType :: HsSigWcTypeScoping</td>

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<pre style="margin: 0;"> <span id="LC146" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsPatSigType</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;">sig_ty</span> <span class="n" style="color: #333;">thing_inside</span></span>

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<pre style="margin: 0;"> <span id="LC147" 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;">ty_sig_okay</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">xoptM</span> <span class="kt" style="color: #458; font-weight: 600;">LangExt</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">ScopedTypeVariables</span></span>

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<pre style="margin: 0;"> <span id="LC148" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">checkErr</span> <span class="n" style="color: #333;">ty_sig_okay</span> <span class="p">(</span><span class="n" style="color: #333;">unexpectedPatSigTypeErr</span> <span class="n" style="color: #333;">sig_ty</span><span class="p">)</span></span>

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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;">rn_hs_sig_wc_type</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctx</span> <span class="p">(</span><span class="n" style="color: #333;">hsPatSigType</span> <span class="n" style="color: #333;">sig_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="150" 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="LC150" class="line" lang="haskell">         <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">nwcs</span> <span class="n" style="color: #333;">imp_tvs</span> <span class="n" style="color: #333;">body</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="151" 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">

151

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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="LC151" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">sig_names</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPSRn</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_nwcs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nwcs</span><span class="p">,</span> <span class="n" style="color: #333;">hsps_imp_tvs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">imp_tvs</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC152" class="line" lang="haskell">             <span class="n" style="color: #333;">sig_ty'</span>   <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPS</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sig_names</span><span class="p">,</span> <span class="n" style="color: #333;">hsps_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="153" 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">

153

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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="LC153" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">thing_inside</span> <span class="n" style="color: #333;">sig_ty'</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="154" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC154" class="line" lang="haskell">       <span class="p">}</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="155" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC155" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="156" 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="LC156" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The workhorse for rnHsSigWcType and rnHsPatSigType.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="157" 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="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="158" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC158" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="159" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC159" 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;">Name</span><span class="p">]</span>    <span class="c1" style="color: #998; font-style: italic;">-- Wildcard names</span></span>

</pre>

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<td class="diff-line-num old old_line" 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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<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="LC160" 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;">Name</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- Implicitly bound type variable names</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="161" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC161" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC162" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="163" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC163" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="164" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="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="LC164" class="line" lang="haskell"><span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">hs_ty</span> <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="165" 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">

165

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<pre style="margin: 0;">-<span id="LC165" 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;">free_vars</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">filterInScopeM</span> <span class="p">(</span><span class="n" style="color: #333;">extractHsTyRdrTyVars</span> <span class="n" style="color: #333;">hs_ty</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="166" style="width: 35px; color: rgba(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="149" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

149

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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;">free_vars</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">filterInScopeM</span> <span class="p">(</span><span class="n" style="color: #333;">extractHsTyRdrTyVars</span> <span class="n" style="color: #333;">pat_sig_ty</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="166" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

166

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<td class="diff-line-num new_line" data-linenumber="150" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

150

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<pre style="margin: 0;"> <span id="LC150" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">nwc_rdrs'</span><span class="p">,</span> <span class="n" style="color: #333;">tv_rdrs</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">partition_nwcs</span> <span class="n" style="color: #333;">free_vars</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="167" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

167

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<td class="diff-line-num new_line" data-linenumber="151" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

151

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<pre style="margin: 0;"> <span id="LC151" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">nwc_rdrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nubL</span> <span class="n" style="color: #333;">nwc_rdrs'</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="168" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

168

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<td class="diff-line-num new_line old" data-linenumber="152" 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="LC168" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">implicit_bndrs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">scoping</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="169" 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">

169

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<td class="diff-line-num new_line old" data-linenumber="152" 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="LC169" class="line" lang="haskell">           <span class="kt" style="color: #458; font-weight: 600;">AlwaysBind</span>       <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">tv_rdrs</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="170" 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">

170

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<td class="diff-line-num new_line old" data-linenumber="152" 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="LC170" class="line" lang="haskell">           <span class="kt" style="color: #458; font-weight: 600;">NeverBind</span>        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="171" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

171

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<td class="diff-line-num new_line old" data-linenumber="152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC171" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rnImplicitBndrs</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="n" style="color: #333;">implicit_bndrs</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">vars</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="172" 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">

172

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<td class="diff-line-num new_line old" data-linenumber="152" 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="LC172" 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;">wcs</span><span class="p">,</span> <span class="n" style="color: #333;">hs_ty'</span><span class="p">,</span> <span class="n" style="color: #333;">fvs1</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnWcBody</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">nwc_rdrs</span> <span class="n" style="color: #333;">hs_ty</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="173" 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">

173

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<td class="diff-line-num new_line old" data-linenumber="152" 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="LC173" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">res</span><span class="p">,</span> <span class="n" style="color: #333;">fvs2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">thing_inside</span> <span class="n" style="color: #333;">wcs</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;">hs_ty'</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="174" style="width: 35px; color: rgba(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="152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

152

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<pre style="margin: 0;">+<span id="LC152" class="line" lang="haskell">             <span class="n" style="color: #333;">implicit_bndrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">scoping</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="174" style="width: 35px; color: rgba(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="153" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

153

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<pre style="margin: 0;">+<span id="LC153" class="line" lang="haskell">               <span class="kt" style="color: #458; font-weight: 600;">AlwaysBind</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tv_rdrs</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="174" style="width: 35px; color: rgba(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="154" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

154

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<pre style="margin: 0;">+<span id="LC154" class="line" lang="haskell">               <span class="kt" style="color: #458; font-weight: 600;">NeverBind</span>  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="174" style="width: 35px; color: rgba(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="155" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

155

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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;">rnImplicitBndrs</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="n" style="color: #333;">implicit_bndrs</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="n" style="color: #333;">imp_tvs</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="174" style="width: 35px; color: rgba(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="156" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

156

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<pre style="margin: 0;">+<span id="LC156" 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;">nwcs</span><span class="p">,</span> <span class="n" style="color: #333;">pat_sig_ty'</span><span class="p">,</span> <span class="n" style="color: #333;">fvs1</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnWcBody</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;">nwc_rdrs</span> <span class="n" style="color: #333;">pat_sig_ty</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="174" style="width: 35px; color: rgba(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="157" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

157

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<pre style="margin: 0;">+<span id="LC157" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">sig_names</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPSRn</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_nwcs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nwcs</span><span class="p">,</span> <span class="n" style="color: #333;">hsps_imp_tvs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">imp_tvs</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="174" style="width: 35px; color: rgba(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="158" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

158

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<pre style="margin: 0;">+<span id="LC158" class="line" lang="haskell">             <span class="n" style="color: #333;">sig_ty'</span>   <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPS</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sig_names</span><span class="p">,</span> <span class="n" style="color: #333;">hsps_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pat_sig_ty'</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="159" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

159

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<pre style="margin: 0;">+<span id="LC159" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">res</span><span class="p">,</span> <span class="n" style="color: #333;">fvs2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">thing_inside</span> <span class="n" style="color: #333;">sig_ty'</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="174" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

174

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<td class="diff-line-num new_line" data-linenumber="160" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

160

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<pre style="margin: 0;"> <span id="LC160" 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;">res</span><span class="p">,</span> <span class="n" style="color: #333;">fvs1</span> <span class="p">`</span><span class="n" style="color: #333;">plusFV</span><span class="p">`</span> <span class="n" style="color: #333;">fvs2</span><span class="p">)</span> <span class="p">}</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="175" style="width: 35px; color: rgba(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="161" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

161

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<pre style="margin: 0;">+<span id="LC161" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="175" style="width: 35px; color: rgba(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="162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

162

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<pre style="margin: 0;">+<span id="LC162" class="line" lang="haskell">    <span class="n" style="color: #333;">pat_sig_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hsPatSigType</span> <span class="n" style="color: #333;">sig_ty</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="175" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

175

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<td class="diff-line-num new_line" data-linenumber="163" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

163

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<pre style="margin: 0;"> <span id="LC163" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="176" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

176

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<td class="diff-line-num new_line" data-linenumber="164" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

164

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<pre style="margin: 0;"> <span id="LC164" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsWcType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="177" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

177

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<td class="diff-line-num new_line" data-linenumber="165" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

165

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<pre style="margin: 0;"> <span id="LC165" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsWcType</span> <span class="n" style="color: #333;">ctxt</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsWC</span> <span class="p">{</span> <span class="n" style="color: #333;">hswc_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hs_ty</span> <span class="p">})</span></span>

</pre>

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<br>

</li>

<li id="83f745d921da7adb739e81f83e1c07e723e4a789">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#83f745d921da7adb739e81f83e1c07e723e4a789"><strong>compiler/GHC/Tc/Gen/Bind.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1658" style="width: 35px; color: rgba(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="1658" style="width: 35px; color: rgba(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">@@ -1658,7 +1658,6 @@ decideGeneralisationPlan dflags lbinds closed sig_fn</td>

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<td class="diff-line-num old_line" data-linenumber="1658" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1658

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<td class="diff-line-num new_line" data-linenumber="1658" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1658

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<pre style="margin: 0;"> <span id="LC1658" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span> <span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">theta</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1659" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1659

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<td class="diff-line-num new_line" data-linenumber="1659" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1659

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<pre style="margin: 0;"> <span id="LC1659" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">TcIdSig</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PartialSig</span> <span class="p">{</span> <span class="n" style="color: #333;">psig_hs_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hs_ty</span> <span class="p">})</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1660" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1660

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<td class="diff-line-num new_line" data-linenumber="1660" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1660

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<pre style="margin: 0;"> <span id="LC1660" class="line" lang="haskell">            <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapMaybe</span> <span class="n" style="color: #333;">sig_fn</span> <span class="p">(</span><span class="n" style="color: #333;">collectHsBindListBinders</span> <span class="n" style="color: #333;">lbinds</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1661" 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">

1661

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<td class="diff-line-num new_line old" data-linenumber="1661" 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="LC1661" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- TODO RGS: What about outer parentheses here?</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1662" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1662

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<td class="diff-line-num new_line" data-linenumber="1661" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1661

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<pre style="margin: 0;"> <span id="LC1661" class="line" lang="haskell">        <span class="p">,</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">theta</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">splitLHsQualTy</span> <span class="p">(</span><span class="n" style="color: #333;">hsSigWcType</span> <span class="n" style="color: #333;">hs_ty</span><span class="p">)</span> <span class="p">]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1663" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1663

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<td class="diff-line-num new_line" data-linenumber="1662" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1662

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<pre style="margin: 0;"> <span id="LC1662" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1664" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1664

</td>

<td class="diff-line-num new_line" data-linenumber="1663" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1663

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<pre style="margin: 0;"> <span id="LC1663" class="line" lang="haskell">    <span class="n" style="color: #333;">has_partial_sigs</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">partial_sig_mrs</span><span class="p">)</span></span>

</pre>

</td>

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<br>

</li>

<li id="9355bef855426caf5f526925edf351b20f9a86c4">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#9355bef855426caf5f526925edf351b20f9a86c4"><strong>compiler/GHC/Tc/Gen/HsType.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="4120" style="width: 35px; color: rgba(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">@@ -4120,8 +4120,11 @@ promotionErr name err</td>

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<pre style="margin: 0;"> <span id="LC4120" class="line" lang="haskell">               <span class="kt" style="color: #458; font-weight: 600;">NoDataKindsTC</span>  <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"perhaps you intended to use DataKinds"</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="4121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="4121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

4121

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<pre style="margin: 0;"> <span id="LC4121" class="line" lang="haskell">               <span class="kt" style="color: #458; font-weight: 600;">NoDataKindsDC</span>  <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"perhaps you intended to use DataKinds"</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="4122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

4122

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<td class="diff-line-num new_line" data-linenumber="4122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

4122

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<pre style="margin: 0;"> <span id="LC4122" class="line" lang="haskell">               <span class="kt" style="color: #458; font-weight: 600;">PatSynPE</span>       <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"pattern synonyms cannot be promoted"</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4123" 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">

4123

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<td class="diff-line-num new_line old" data-linenumber="4123" 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="LC4123" class="line" lang="haskell">               <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"it is defined and used in the same recursive group"</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4124" 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">

4124

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<pre style="margin: 0;">-<span id="LC4124" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- RecDataConPE, ClassPE, TyConPE</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="4125" style="width: 35px; color: rgba(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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4123

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<pre style="margin: 0;">+<span id="LC4123" class="line" lang="haskell">               <span class="kt" style="color: #458; font-weight: 600;">RecDataConPE</span>   <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">same_rec_group_msg</span></span>

</pre>

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4124

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<pre style="margin: 0;">+<span id="LC4124" class="line" lang="haskell">               <span class="kt" style="color: #458; font-weight: 600;">ClassPE</span>        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">same_rec_group_msg</span></span>

</pre>

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4125

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<pre style="margin: 0;">+<span id="LC4125" class="line" lang="haskell">               <span class="kt" style="color: #458; font-weight: 600;">TyConPE</span>        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">same_rec_group_msg</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="4126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

4126

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<pre style="margin: 0;">+<span id="LC4126" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="4125" style="width: 35px; color: rgba(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="4127" style="width: 35px; color: rgba(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="LC4127" class="line" lang="haskell">    <span class="n" style="color: #333;">same_rec_group_msg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"it is defined and used in the same recursive group"</span></span>

</pre>

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4125

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<td class="diff-line-num new_line" data-linenumber="4128" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

4128

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<pre style="margin: 0;"> <span id="LC4128" class="line" lang="haskell"></span>

</pre>

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4126

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4129

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<pre style="margin: 0;"> <span id="LC4129" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC4130" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>

</pre>

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<br>

</li>

<li id="54436e21ea530a66a8a71bcc01c836f4740b8f02">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#54436e21ea530a66a8a71bcc01c836f4740b8f02"><strong>compiler/GHC/Tc/Solver.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="339" style="width: 35px; color: rgba(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="339" style="width: 35px; color: rgba(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">@@ -339,7 +339,7 @@ So here's the plan (see tcHsSigType):</td>

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<pre style="margin: 0;"> <span id="LC339" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* buildTvImplication: build an implication for the residual, unsolved</span></span>

</pre>

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340

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<pre style="margin: 0;"> <span id="LC340" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  constraint</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC341" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="342" 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="LC342" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* simplifyAndEmitFlatConstraints: try to float out every unsolved equalit<span class="idiff left right">ies</span></span></span>

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<pre style="margin: 0;">+<span id="LC342" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* simplifyAndEmitFlatConstraints: try to float out every unsolved equalit<span class="idiff left right">y</span></span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC343" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  inside that implication, in the hope that it constrains only global</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC344" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  type variables, not the locally-quantified ones.</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC345" class="line" lang="haskell"></span>

</pre>

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<br>

</li>

<li id="83d23a46bb6cdc8b1edc16f1fd2c8f5c53e2c9ca">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#83d23a46bb6cdc8b1edc16f1fd2c8f5c53e2c9ca"><strong>compiler/GHC/Tc/TyCl.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2934" style="width: 35px; color: rgba(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="2934" style="width: 35px; color: rgba(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">@@ -2934,7 +2934,7 @@ without treating the explicitly-quanfitifed ones specially. Wrinkles:</td>

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<pre style="margin: 0;"> <span id="LC2934" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   variables, so that we get an error from Validity.checkFamPatBinders</span></span>

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<pre style="margin: 0;"> <span id="LC2935" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   if a forall'd variable is not bound on the LHS</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC2936" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC2937" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> - We still want to complain about a<span class="idiff left right">n</span> bad telescope among the user-specified</span></span>

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<pre style="margin: 0;">+<span id="LC2937" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> - We still want to complain about a bad telescope among the user-specified</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC2938" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   variables.  So in checkFamTelescope we emit an implication constraint</span></span>

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<pre style="margin: 0;"> <span id="LC2939" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   quantifying only over them, purely so that we get a good telescope error.</span></span>

</pre>

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2940

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<pre style="margin: 0;"> <span id="LC2940" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3300" style="width: 35px; color: rgba(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="3300" style="width: 35px; color: rgba(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">@@ -3300,7 +3300,7 @@ tcConDecl rep_tycon tag_map tmpl_bndrs _res_kind res_tmpl new_or_data</td>

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<pre style="margin: 0;"> <span id="LC3300" 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;">ctxt</span><span class="p">,</span> <span class="n" style="color: #333;">arg_tys</span><span class="p">,</span> <span class="n" style="color: #333;">res_ty</span><span class="p">,</span> <span class="n" style="color: #333;">field_lbls</span><span class="p">,</span> <span class="n" style="color: #333;">stricts</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC3301" class="line" lang="haskell">                 <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC3302" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC3303" 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">outer_tv_bndrs</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TcInvisTVBinder</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;">scopedSortOuter</span> <span class="n" style="color: #333;">outer_bndrs</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC3303" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;"><span class="idiff left right">outer_tv_bndrs</span></span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">scopedSortOuter</span> <span class="n" style="color: #333;">outer_bndrs</span></span>

</pre>

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3304

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3304

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<pre style="margin: 0;"> <span id="LC3304" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="3305" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3305

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<td class="diff-line-num new_line" data-linenumber="3305" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3305

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<pre style="margin: 0;"> <span id="LC3305" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">tkvs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">kindGeneralizeAll</span> <span class="p">(</span><span class="n" style="color: #333;">mkInvisForAllTys</span> <span class="n" style="color: #333;">outer_tv_bndrs</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="3306" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3306

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3306

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<pre style="margin: 0;"> <span id="LC3306" class="line" lang="haskell">                                    <span class="n" style="color: #333;">mkPhiTy</span> <span class="n" style="color: #333;">ctxt</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<br>

</li>

<li id="12e9a235091270f449a4420b4b279b5c583ad1dd">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#12e9a235091270f449a4420b4b279b5c583ad1dd"><strong>testsuite/tests/polykinds/T16762c.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="8" style="width: 35px; color: rgba(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="8" style="width: 35px; color: rgba(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">@@ -8,4 +8,3 @@ data SameKind :: k -> k -> Type</td>

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8

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<td class="diff-line-num new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

8

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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

9

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<td class="diff-line-num new_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

9

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<pre style="margin: 0;"> <span id="LC9" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Bad telescope</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="10" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

10

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<td class="diff-line-num new_line" data-linenumber="10" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

10

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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">b</span><span class="o" style="font-weight: 600;">::</span><span class="n" style="color: #333;">k</span><span class="p">)</span><span class="o" style="font-weight: 600;">.</span> <span class="kt" style="color: #458; font-weight: 600;">MkT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SameKind</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span></pre>

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<td class="diff-line-num old old_line" data-linenumber="11" 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">

11

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<td class="diff-line-num new_line old" data-linenumber="11" 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="LC11" class="line" lang="haskell"></span></pre>

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<br>

</li>

<li id="46ddb8dda2edd2df4717a3285e83997fc812a347">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/61eaca5f163912249d11796a2ab6d80044ca0b5c...104f60c856d5d9d19203a0811e09a053394b0c11#46ddb8dda2edd2df4717a3285e83997fc812a347"><strong>utils/haddock</strong></a>

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<td class="diff-line-num old old_line" data-linenumber="1" 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">

1

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<td class="diff-line-num new_line old" data-linenumber="1" 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;">-Subproject commit <span class="idiff left right">8d5d83effcb7218c27298a8a0411ec2d4633a582</span></pre>

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1

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<pre style="margin: 0;">+Subproject commit <span class="idiff left right">638d96c98a29d566fdb36717868e2854ffebb01b</span></pre>

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