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<h3>
Krzysztof Gogolewski pushed to branch wip/infer-mult-more
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/5b72718953c289b6827e877e14d9f0f3f5c64267">5b727189</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-09-25T21:10:20-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Make sizeExpr strict in the size threshold to facilitate WW.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/dd6640316865d84075b00013b8b97076705e5c44">dd664031</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-25T21:10:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ci.sh: Factor out common utilities
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5b78e8658c3f5042967cbe9d30a5a630946c4fd7">5b78e865</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-25T21:10:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ci: Add ad-hoc performance testing rule
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/29885f076219d878d2c976e78b7960a1a5938a96">29885f07</a></strong>
<div>
<span>by Zubin Duggal</span>
<i>at 2020-09-25T21:11:32-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Stop removing definitions of record fields in GHC.Iface.Ext.Ast
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0d6519d9e8604d067f4a4f760e4bc3403727a498">0d6519d9</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-25T21:12:08-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Drop Darwin cleanup job
We now have a proper periodic clean-up script installed on the runners.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/277d20af1ce54c7e2c76dfe3b96c54babceeea41">277d20af</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-09-25T21:12:44-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add regression tests for #18371
They have been fixed by !3959, I believe.
Fixes #18371.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8edf60562720b91613a6ad6b949ae08416f81c9a">8edf6056</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-09-25T21:12:44-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add a regression test for #18609
The egregious performance hits are gone since !4050.
So we fix #18609.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4a1b89a40d553213c9722207608a07f8a4c07545">4a1b89a4</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-09-25T21:12:44-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Accept new test output for #17218
The expected test output was plain wrong.
It has been fixed for a long time.
Thus we can close #17218.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/516062366ed1957e499f27dfc6b685a073a18400">51606236</a></strong>
<div>
<span>by Sven Tennie</span>
<i>at 2020-09-25T21:13:19-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Print RET_BIG stack closures
A RET_BIG closure has a large bitmap that describes it's payload and can
be printed with printLargeBitmap().
Additionally, the output for payload closures of small and big bitmaps is
changed: printObj() is used to print a bit more information about what's
on the stack.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2707c4eae4cf99e6da2709e128f560d91e468357">2707c4ea</a></strong>
<div>
<span>by Arnaud Spiwack</span>
<i>at 2020-09-25T21:13:58-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Pattern guards BindStmt always use multiplicity Many
Fixes #18439 .
The rhs of the pattern guard was consumed with multiplicity one, while
the pattern assumed it was Many. We use Many everywhere instead.
This is behaviour consistent with that of `case` expression. See #18738.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/92daad241bf136a10346ecbf520d62921c82bf7d">92daad24</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-25T21:14:36-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bignum: refactor backend modules
* move backends into GHC.Num.Backend.*
* split backend selection into GHC.Num.Backend and
GHC.Num.Backend.Selected to avoid duplication with the Check backend
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/04bc50b3c8e40387a0d0f090ea23cd68923f1834">04bc50b3</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-25T21:14:36-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bignum: implement extended GCD (#18427)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6a7dae4badcea5b3519005cf4e5fbf15f7e5df59">6a7dae4b</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2020-09-25T21:15:14-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix typed holes causing linearity errors (#18491)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/83407ffc7acc00cc025b9f6ed063add9ab9f9bcc">83407ffc</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2020-09-25T21:15:53-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Various documentation fixes
* Remove UnliftedFFITypes from conf. Some time ago, this extension
was undocumented and we had to silence a warning.
This is no longer needed.
* Use r'' in conf.py. This fixes a Sphinx warning:
WARNING: Support for evaluating Python 2 syntax is deprecated and will be removed in Sphinx 4.0. Convert docs/users_guide/conf.py to Python 3 syntax.
* Mark GHCForeignImportPrim as documented
* Fix formatting in template_haskell.rst
* Remove 'recursive do' from the list of unsupported items in TH
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de71b9b04a08b7f197a3da42dde4e370c4cc2497">de71b9b0</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2020-09-26T03:52:00+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Make 'undefined x' linear in 'x' (#18731)
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<a href="#587d266bb27a4dc3022bbed44dfa19849df3044c">
.gitlab-ci.yml
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<a href="#157f7634c25bc6366cb7c9c9edb48e819dce38db">
.gitlab/ci.sh
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<a href="#e3912a2eb40cf45e3dc98ea1b0275653264428e6">
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.gitlab/common.sh
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</li>
<li class="file-stats">
<a href="#2811a7297b8aa206197ac1f5dabd0818e3c7ec5a">
compiler/GHC/Core/Unfold.hs
</a>
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<li class="file-stats">
<a href="#649144a78135a23cabfc90dd83c4aabf448eb6ab">
compiler/GHC/Iface/Ext/Ast.hs
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<a href="#6a1f039ed7725eddef15dd5f4dc318a3434f26c9">
compiler/GHC/Tc/Gen/App.hs
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<a href="#902811828741e6bcd64702935bbb54edbbd070ef">
compiler/GHC/Tc/Gen/Expr.hs
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<a href="#3377164bfe9a1f1a8cfd588703ae1e0ea1e91cf9">
compiler/GHC/Tc/Gen/Match.hs
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<li class="file-stats">
<a href="#2c8c4ca2eac2ad8b108ae37fa1b91a9f7676ca1e">
docs/users_guide/conf.py
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<a href="#c69ed1e399ce62d9f23fc51d2806dab1d9b7bfd6">
docs/users_guide/expected-undocumented-flags.txt
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<a href="#616606d7ec92f17c847240a7bc125e1d8c9c00a1">
docs/users_guide/extending_ghc.rst
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<a href="#826ad549c24ff288da4f5466de09215b9c5f56a3">
docs/users_guide/exts/defer_type_errors.rst
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<a href="#f1fb2cbc6312f41f6aac14d2046c24ce0c5cbea2">
docs/users_guide/exts/ffi.rst
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<a href="#44ff1c833688c00a68594f271e75b363b982d003">
docs/users_guide/exts/safe_haskell.rst
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<a href="#f0474104bf5123c0904d8fa7745d89840c730d16">
docs/users_guide/exts/template_haskell.rst
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<a href="#915e4cd0ff4c05278c1d4b529ae8997ea58835f0">
docs/users_guide/exts/typed_holes.rst
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docs/users_guide/using-optimisation.rst
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<a href="#a1f998e8553841568762af9303c1476e08778e21">
libraries/ghc-bignum/cbits/gmp_wrappers.c
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<a href="#a1ce081961c47b863a6a6295362b247f56218cbf">
libraries/ghc-bignum/ghc-bignum.cabal
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libraries/ghc-bignum/src/GHC/Num/BigNat/Check.hs
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libraries/ghc-bignum/src/GHC/Num/Backend/Check.hs
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libraries/ghc-bignum/src/GHC/Num/BigNat/FFI.hs
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libraries/ghc-bignum/src/GHC/Num/BigNat/GMP.hs
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libraries/ghc-bignum/src/GHC/Num/Backend/GMP.hs
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<a href="#dcb6aede7f2d4e3b185f11751c4017e9c6dff1b3">
libraries/ghc-bignum/src/GHC/Num/BigNat/Native.hs
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<a href="#7c26a6a95e69dd94ff737ee0577c923c3947bc6f">
libraries/ghc-bignum/src/GHC/Num/BigNat.hs
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<a href="#51dd5f19656738bf2d7e4b2dc3e742d862435329">
libraries/ghc-bignum/src/GHC/Num/BigNat.hs-boot
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libraries/ghc-bignum/src/GHC/Num/Integer.hs
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libraries/integer-gmp/src/GHC/Integer/GMP/Internals.hs
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<h5>The diff was not included because it is too large.</h5>
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