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<h3>
Josh Meredith pushed to branch wip/pluginExtFields
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/3907ee01e68b383fa30386d163decf203acedb19">3907ee01</a></strong>
<div>
<span>by Cale Gibbard</span>
<i>at 2020-08-07T08:34:46-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">A fix to an error message in monad comprehensions, and a move of dsHandleMonadicFailure
as suggested by comments on !2330.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fa9bb70a3fefef681cb0e80cc78977386c1dcf0a">fa9bb70a</a></strong>
<div>
<span>by Cale Gibbard</span>
<i>at 2020-08-07T08:34:46-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add some tests for fail messages in do-expressions and monad-comprehensions.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5f03606319f745b10e9918c76a47426b293f0bf9">5f036063</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-07T08:35:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">cmm: Clean up Notes a bit
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6402c1240d5bd768b8fe8b4368413932bedbe107">6402c124</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-07T08:35:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">CmmLint: Check foreign call argument register invariant
As mentioned in Note [Register parameter passing] the arguments of
foreign calls cannot refer to caller-saved registers.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/15b36de030ecdd60897bc7a6a02bdeabd0825be4">15b36de0</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-07T08:35:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nativeGen: One approach to fix #18527
Previously the code generator could produce corrupt C call sequences due
to register overlap between MachOp lowerings and the platform's calling
convention. We fix this using a hack described in Note [Evaluate C-call
arguments before placing in destination registers].
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3847ae0ccf67bddf73304a39f5320c3ba285aa48">3847ae0c</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-07T08:35:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Add test for #18527
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/dd51d53be42114c105b5ab15fcbdb387526b1c17">dd51d53b</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-07T08:35:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Fix prog001
Previously it failed as the `ghc` package was not visible.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e4f1b73ad9f292a6bbeb21fee44b0ba1a7f3c33b">e4f1b73a</a></strong>
<div>
<span>by Alan Zimmerman</span>
<i>at 2020-08-07T23:58:10-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ApiAnnotations; tweaks for ghc-exactprint update
Remove unused ApiAnns, add one for linear arrow.
Include API Annotations for trailing comma in export list.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8a665db6174eaedbbae925c0ccb4c22b3f29bcaf">8a665db6</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-07T23:58:45-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">configure: Fix double-negation in ld merge-objects check
We want to only run the check if ld is gold.
Fixes the fix to #17962.</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/87f739e40e98ad8861900c2aad480a4186e3e3b8">87f739e4</a></strong>
<div>
<span>by Josh Meredith</span>
<i>at 2020-08-08T09:26:33-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add machinery for plugins to write data to extensible interface fields
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1a68c2a3db5dbd89431474a9ded0f47050eb5410">1a68c2a3</a></strong>
<div>
<span>by Josh Meredith</span>
<i>at 2020-08-08T09:26:33-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add function to remove plugin interface fields
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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aclocal.m4
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compiler/GHC.hs
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compiler/GHC/Cmm/Lint.hs
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compiler/GHC/Cmm/MachOp.hs
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compiler/GHC/Cmm/Node.hs
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compiler/GHC/CmmToAsm/X86/CodeGen.hs
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compiler/GHC/Driver/Main.hs
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compiler/GHC/Driver/Types.hs
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compiler/GHC/Parser/Annotation.hs
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includes/stg/MachRegs.h
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testsuite/tests/concurrent/prog001/all.T
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