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<h3>
Marge Bot pushed to branch wip/marge_bot_batch_merge_job
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/54095bbd3a5481e906b05c80ea68841165c7a2b3">54095bbd</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2019-05-21T20:54:00Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Fix directive errors on 8.10
The following sections are not displayed due to a directive error:
* -Wunused-record-wildcards
* -Wredundant-record-wildcards
I changed the location of the `since` directive.
[skip ci]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/8fc654c3a00ab0cd842c3e8316f832170ea561d6">8fc654c3</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-05-21T20:57:37Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Include CPP preprocessor dependencies in -M output
Issue #16521
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/0af519ac583c3544b1c4b1315b38ba0174d3ccb1">0af519ac</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-05-21T21:01:16Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactor Libffi and RTS rules
This removes a hack that copies libffi files to the rts
build directory. This was done in a libffi rule, but now
an rts rule correctly needs and copies the relevant
files from the libffi build dir to the rts build dir.
Issues: #16272 #16304
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/9342b1fabd09e8bbebb982b07f129da266f7c586">9342b1fa</a></strong>
<div>
<span>by Kirill Elagin</span>
<i>at 2019-05-21T21:04:54Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Fix -rtsopts default</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/d0142f21692c4b4514ea68e489c943ac26037d8f">d0142f21</a></strong>
<div>
<span>by Javran Cheng</span>
<i>at 2019-05-21T21:08:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix doc for Data.Function.fix.
Doc-only change.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/ddd905b4eada5a9a33977a435393cf7826a4d6a5">ddd905b4</a></strong>
<div>
<span>by Shayne Fletcher</span>
<i>at 2019-05-21T21:12:07Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Update resolver for for happy 1.19.10
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e32c30caf48517df8ddca6a79a39becfe5622c39">e32c30ca</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2019-05-21T21:15:45Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">distrib/configure.ac.in: remove mention to 'settings', since settings.in is gone
Otherwise, when `./configure`ing a GHC bindist, produced by either Make or
Hadrian, we would try to generate the `settings` file from the `settings.in`
template that we used to have around but which has been gone since d37d91e9.
That commit generates the settings file using the build systems instead, but
forgot to remove this mention to the `settings` file.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/4a6c8436f974cafc36a6e0462878614bdc0899c0">4a6c8436</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-05-21T21:19:22Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix #16666 by parenthesizing contexts in Convert
Most places where we convert contexts in `Convert` are actually in
positions that are to the left of some `=>`, such as in superclasses
and instance contexts. Accordingly, these contexts need to be
parenthesized at `funPrec`. To accomplish this, this patch changes
`cvtContext` to require a precedence argument for the purposes of
calling `parenthesizeHsContext` and adjusts all `cvtContext` call
sites accordingly.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/c32f64e5a9bcdb17d69bcabf0f0db0203eb6b7d9">c32f64e5</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-05-21T21:23:01Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Allow Windows Hadrian build to fail
Due to #16574.</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/412a1f39ecc26fb8bce997bfe71e87b7284a1493">412a1f39</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-05-21T21:23:01Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Update .gitlab-ci.yml</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/08b849e492208160c97ba8f122c9daf4c23641bd">08b849e4</a></strong>
<div>
<span>by Michael Sloan</span>
<i>at 2019-05-21T21:56:49Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Have GHCi use object code for UnboxedTuples modules #15454
The idea is to automatically enable -fobject-code for modules that use
UnboxedTuples, along with all the modules they depend on. When looking
into how to solve this, I was pleased to find that there was already
highly similar logic for enabling code generation when -fno-code is
specified but TemplateHaskell is used.
The state before this patch was that if you used unboxed tuples then you
had to enable `-fobject-code` globally rather than on a per module
basis.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/78ed75fa7dfe78b59a58fb435197b50ab3840ade">78ed75fa</a></strong>
<div>
<span>by Michael Sloan</span>
<i>at 2019-05-21T21:56:50Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use datatype for unboxed returns when loading ghc into ghci
See #13101 and #15454
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/9d6d2178d06b3e8644e41433e66dbbcda402b8b7">9d6d2178</a></strong>
<div>
<span>by Kevin Buhr</span>
<i>at 2019-05-21T21:56:50Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add regression test for old Word32 arithmetic issue (#497)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/f7e213a60cb12d5a5b5c967ccfc5abec86c862fe">f7e213a6</a></strong>
<div>
<span>by Alec Theriault</span>
<i>at 2019-05-21T21:56:52Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">RTS: Fix restrictive cast
Commit e75a9afd2989e0460f9b49fa07c1667299d93ee9 added an `unsigned` cast
to account for OSes that have signed `rlim_t` signed. Unfortunately,
the `unsigned` cast has the unintended effect of narrowing `rlim_t` to
only 4 bytes. This leads to some spurious out of memory crashes
(in particular: Haddock crashes with OOM whenn building docs of
`ghc`-the-library).
In this case, `W_` is a better type to cast to: we know it will be
unsigned too and it has the same type as `*len` (so we don't suffer from
accidental narrowing).
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/4b0afd83c2ca4de11ed1111671fb5b818e57918a">4b0afd83</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2019-05-21T21:56:54Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: add --test-root-dirs, to only run specific directories of tests
We can specify several of those, by using the flag multiple times or
just once but combining the directories with ':'.
Along the way, this patch also fixes the testsuite-related --only flag,
so that we can use it many times instead of being force to specify a
space-separated list of test in a single --only flag.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/1225879f979c869cef14eeb75f78a72777d9fae7">1225879f</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-05-21T21:56:56Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use HsTyPats in associated type family defaults
Associated type family default declarations behave strangely in a
couple of ways:
1. If one tries to bind the type variables with an explicit `forall`,
the `forall`'d part will simply be ignored. (#16110)
2. One cannot use visible kind application syntax on the left-hand
sides of associated default equations, unlike every other form
of type family equation. (#16356)
Both of these issues have a common solution. Instead of using
`LHsQTyVars` to represent the left-hand side arguments of an
associated default equation, we instead use `HsTyPats`, which is what
other forms of type family equations use. In particular, here are
some highlights of this patch:
* `FamEqn` is no longer parameterized by a `pats` type variable, as
the `feqn_pats` field is now always `HsTyPats`.
* The new design for `FamEqn` in chronicled in
`Note [Type family instance declarations in HsSyn]`.
* `TyFamDefltEqn` now becomes the same thing as `TyFamInstEqn`. This
means that many of `TyFamDefltEqn`'s code paths can now reuse the
code paths for `TyFamInstEqn`, resulting in substantial
simplifications to various parts of the code dealing with
associated type family defaults.
Fixes #16110 and #16356.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/ee1e2c03ec22d6b0a7e70a54307bd8d7d4f91b99">ee1e2c03</a></strong>
<div>
<span>by Luite Stegeman</span>
<i>at 2019-05-21T21:56:56Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">fix Template Haskell cross compilation on 64 bit compiler with 32 bit target
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/5af97e96ce7b39b15d4a5c4ca61da626d8279399">5af97e96</a></strong>
<div>
<span>by Moritz Angermann</span>
<i>at 2019-05-21T21:56:56Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Lowercase windows imports
While windows and macOS are currently on case-insensitive file
systems, this poses no issue on those. When cross compiling from
linux with a case sensitive file system and mingw providing only
lowercase headers, this in fact produces an issue. As such we just
lowercase the import headers, which should still work fine on a
case insensitive file system and also enable mingw's headers to
be usable porperly.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/a5defb4394fcf60ce06c7897825751fa5e1817d7">a5defb43</a></strong>
<div>
<span>by Moritz Angermann</span>
<i>at 2019-05-21T21:56:57Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add `keepCAFs` to RtsSymbols
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/127d830263517bbee0d0ace4ba512a7268b9054e">127d8302</a></strong>
<div>
<span>by Joshua Price</span>
<i>at 2019-05-21T21:56:58Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Correct the large tuples section in user's guide
Fixes #16644.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/a0eae25d5812411c91ba784d7b1a80fcac31ec61">a0eae25d</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2019-05-21T21:56:58Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix tcfail158 (#15899)
As described in #15899, this test was broken, but now it's back
to normal.
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<a href="#587d266bb27a4dc3022bbed44dfa19849df3044c">
.gitlab-ci.yml
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<a href="#2da47fed955dc80b79c67ba640b94aeecf9d5524">
compiler/basicTypes/UniqSupply.hs
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<a href="#cb94ea134d6d52fab318831e397d2a5c789f2ef3">
compiler/deSugar/DsMeta.hs
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<a href="#7f924eb82ea52b493e50fc467c301adb6a0eaf32">
compiler/hieFile/HieAst.hs
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<a href="#8edc819d4b7e02c1439ca8bb128a773a9d2ab2cd">
compiler/hsSyn/Convert.hs
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<a href="#0db90e3d6e6150a586bbd58f75f250c3c71766f9">
compiler/hsSyn/HsDecls.hs
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compiler/hsSyn/HsExtension.hs
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compiler/hsSyn/HsInstances.hs
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compiler/main/DriverMkDepend.hs
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compiler/main/DynFlags.hs
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compiler/main/GhcMake.hs
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compiler/nativeGen/AsmCodeGen.hs
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compiler/nativeGen/RegAlloc/Linear/State.hs
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compiler/parser/RdrHsSyn.hs
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compiler/rename/RnSource.hs
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compiler/typecheck/TcSplice.hs
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compiler/typecheck/TcTyClsDecls.hs
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distrib/configure.ac.in
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docs/users_guide/8.10.1-notes.rst
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<a href="#04359c28c9e4de11d44a0c6ab10e9245d68ee640">
docs/users_guide/bugs.rst
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<a href="#b02c1c6109c60b8f685234b0dbaabf6c79fed2a2">
docs/users_guide/ghci.rst
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docs/users_guide/glasgow_exts.rst
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docs/users_guide/phases.rst
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docs/users_guide/separate_compilation.rst
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docs/users_guide/using-warnings.rst
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driver/utils/dynwrapper.c
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hadrian/doc/testsuite.md
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hadrian/src/CommandLine.hs
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hadrian/src/Hadrian/Utilities.hs
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<a href="#2b9c6614fcb1a7e344408671cf3f4c652fd8d917">
hadrian/src/Rules.hs
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<h5>The diff was not included because it is too large.</h5>
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