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GitLab
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<h3>
Ben Gamari pushed to branch wip/test
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/d763b2e7097a2dc14f4917d7e9f0cbd5c7085961">d763b2e7</a></strong>
<div>
<span>by Haskell-mouse</span>
<i>at 2019-03-25T18:02:22Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">User's Guide: extensions compatibility
Adds the mention that extensions "AllowAmbiguousTypes" and "RankNTypes"
are not always compatible with each other.
Specifies the conditions and causes of failing in resolving
of ambiguity.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/200d65ef41efda8ff2b524f7a15c14620d6a57b9">200d65ef</a></strong>
<div>
<span>by Matthew Pickering</span>
<i>at 2019-03-25T18:02:25Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Check hadrian/ghci.sh script output to determine pass/fail
ghci always exits with exit code 0 so you have to check the output
to see if the modules loaded succesfully.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/8e07368faf5090a5ac803f0e4fa3a5a2a4aba05c">8e07368f</a></strong>
<div>
<span>by Matthew Pickering</span>
<i>at 2019-03-25T18:02:27Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactor ./hadrian/ghci.sh for better error messages
By separating these two lines, if the first command fails then `ghci` is
not loaded. Before it would still load ghci but display lots of errors
about not being able to find modules.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/3769e3a829f4514f82ce7f7d218867f1d69d3d38">3769e3a8</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2019-03-25T18:02:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Update Wiki URLs to point to GitLab
This moves all URL references to Trac Wiki to their corresponding
GitLab counterparts.
This substitution is classified as follows:
1. Automated substitution using sed with Ben's mapping rule [1]
Old: ghc.haskell.org/trac/ghc/wiki/XxxYyy...
New: gitlab.haskell.org/ghc/ghc/wikis/xxx-yyy...
2. Manual substitution for URLs containing `#` index
Old: ghc.haskell.org/trac/ghc/wiki/XxxYyy...#Zzz
New: gitlab.haskell.org/ghc/ghc/wikis/xxx-yyy...#zzz
3. Manual substitution for strings starting with `Commentary`
Old: Commentary/XxxYyy...
New: commentary/xxx-yyy...
See also !539
[1]: https://gitlab.haskell.org/bgamari/gitlab-migration/blob/master/wiki-mapping.json
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/b9da28680aa7ac128ba31680becb4be6f9b21ed4">b9da2868</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-03-25T18:02:33Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Correct duplicate 4.12.0.0 entry in base's changelog
See #16490.
[ci skip]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/ab41c1b429374e22f51c06128c173ef4f14be67d">ab41c1b4</a></strong>
<div>
<span>by Andrey Mokhov</span>
<i>at 2019-03-27T11:20:03Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: Bump Shake to 0.17.6
The new release of Shake comes with these relevant features:
* use symlinks for --shared
* add --compact for a Bazel/Buck style output
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/646f2e79c5d6e79341693b1b9660da974102cec2">646f2e79</a></strong>
<div>
<span>by Andrey Mokhov</span>
<i>at 2019-03-27T11:20:03Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: trace the execution of expensive Cabal calls
We use Cabal to parse, configure, register and copy packages, which are
expensive operations that are currently not visible to Shake's profiling
infrastructure. By using `traced` we tell Shake to add these IO actions
to the profiling report, helping us to identify performance bottlenecks.
We use short tracing keys, as recommended in Shake docs: the name of the
current target is already available in the rest of the profiling
information.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/fb12f53c2779f15ee24786e8c3beae3133506a01">fb12f53c</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2019-03-27T11:20:05Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: introduce an easy way for users to build with -split-sections
Any user can now trivially build any number of Haskell packages with
`-split-sections` by using `splitSections`/`splitSectionsIf` on any
existing or new flavour:
-- build all packages but the ghc library with -split-sections
splitSections :: Flavour -> Flavour
-- build all packages that satisfy the given predicate
-- with --split-sections
splitSectionsIf :: (Package -> Bool) -> Flavour -> Flavour
See the new section in `doc/user-settings.md`.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/3dec527a840a8165c33579bca09740ca9cf1f4de">3dec527a</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-03-27T11:20:09Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: don't use -zorigin on darwin.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/5730f86331df4aa9b3d7b5ab59b1ebeafceaeadb">5730f863</a></strong>
<div>
<span>by Ömer Sinan Ağacan</span>
<i>at 2019-03-27T11:20:10Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Minor refactoring in copy array primops:
- `emitCopySmallArray` now checks size before generating code and
doesn't generate any code when size is 0. `emitCopyArray` already does
this so this makes small/large array cases the same in argument
checking.
- In both `emitCopySmallArray` and `emitCopyArray` read the `dflags`
after checking the argument.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/4acdb769705de63c721555e70bef5c3dff87e3c5">4acdb769</a></strong>
<div>
<span>by Chaitanya Koparkar</span>
<i>at 2019-03-27T11:20:11Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix a few broken Trac links [skip ci]
This patch only attempts to fix links that don't automatically re-direct to the correct URL.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/97ad5cfb1c41d19cc56f7450c1e42d988dc9fd2d">97ad5cfb</a></strong>
<div>
<span>by Artem Pelenitsyn</span>
<i>at 2019-03-29T18:18:12Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add some tips to the Troubleshooting section of README
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/8a20bfc21da6a47087c8069f92691629eb47951d">8a20bfc2</a></strong>
<div>
<span>by Michael Peyton Jones</span>
<i>at 2019-03-29T18:18:14Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Visibility: handle multiple units with the same name
Fixes #16228. The included test case is adapted from the reproduction in
the issue, and fails without this patch.
------
We compute an initial visilibity mapping for units based on what is
present in the package databases. To seed this, we compute a set of all
the package configs to add visibilities for.
However, this set was keyed off the unit's *package name*. This is
correct, since we compare packages across databases by version. However,
we would only ever consider a single, most-preferable unit from the
database in which it was found.
The effect of this was that only one of the libraries in a Cabal package
would be added to this initial set. This would cause attempts to use
modules from the omitted libraries to fail, claiming that the package
was hidden (even though `ghc-pkg` would correctly show it as visible).
A solution is to do the selection of the most preferable packages
separately, and then be sure to consider exposing all units in the
same package in the same package db. We can do this by picking a
most-preferable unit for each package name, and then considering
exposing all units that are equi-preferable with that unit.
------
Why wasn't this bug apparent to all people trying to use sub-libraries
in Cabal? The answer is that Cabal explicitly passes `-package` and
`-package-id` flags for all the packages it wants to use, rather than
relying on the state of the package database. So this bug only really
affects people who are trying to use package databases produced by Cabal
outside of Cabal itself.
One particular example of this is the way that the
Nixpkgs Haskell infrastructure provides wrapped GHCs: typically these
are equipped with a package database containing all the needed
package dependencies, and the user is not expected to pass
`-package` flags explicitly.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/754b5455aa0983c7702546a6c64061c95733997a">754b5455</a></strong>
<div>
<span>by Artem Pelenitsyn</span>
<i>at 2019-03-29T18:18:20Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">docs: make nfib compute the Fibonacci sequence [skipci]</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/1a567133f291234f3921b5badaae8a2de6d19ce0">1a567133</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-03-29T18:18:20Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ci: Check that changelogs don't contain "TBA"
This ensures that the release dates in the library changelogs are
properly set.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/6e15ca54c09331378f018abc315a4c6c68db9e1a">6e15ca54</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-03-29T18:18:22Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump transformers to 0.5.6.2
See #16199.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/6f7115dfd4fbb439a309a8381c4d02c450170cdc">6f7115df</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-03-30T11:42:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ci: Ensure index.html is preserved in documentation tarball
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/33173a51c77d9960d5009576ad9b67b646dfda3c">33173a51</a></strong>
<div>
<span>by Alexandre</span>
<i>at 2019-04-01T07:32:28Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;"> Add support for bitreverse primop
This commit includes the necessary changes in code and
documentation to support a primop that reverses a word's
bits. It also includes a test.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/a3971b4e8cb2f07387fbc165d46cd861a914c193">a3971b4e</a></strong>
<div>
<span>by Alexandre</span>
<i>at 2019-04-01T07:32:28Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump ghc-prim's version where needed
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/061276ea5d265eb3c23a3698f0a10f6a764ff4b4">061276ea</a></strong>
<div>
<span>by Michael Sloan</span>
<i>at 2019-04-01T07:32:30Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove unnecessary uses of UnboxedTuples pragma (see #13101 / #15454)
Also removes a couple unnecessary MagicHash pragmas
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e468c61333205cc89244acc01432c8493cb06d62">e468c613</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-04-01T07:32:34Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Support Shake's --lint-fsatrace feature.
Using this feature requires fsatrace (e.g. https://github.com/jacereda/fsatrace).
Simply use the `--lint-fsatrace` option when running hadrian.
Shake version >= 0.17.7 is required to support linting out of tree build dirs.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/1e9e4197f1a8b6b53483bd984d241b0f2922a5bf">1e9e4197</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-01T07:32:34Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Add merge request template for backports for 8.8
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/55650d147bce7cd005327ebd5807fe2851a4e2e1">55650d14</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-01T07:32:34Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Add some simply issue templates
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/27b99ed8ede3d54932a432402de7dc43d1445f8f">27b99ed8</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2019-04-01T07:32:36Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Clean up URLs to point to GitLab
This moves URL references to old Trac to their corresponding
GitLab counterparts.
This patch does not update the submodule library, such as
libraries/Cabal.
See also !539, !606, !618
[ci skip]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/18d1555d6e8d8988bcf19a4411a9ff432898282e">18d1555d</a></strong>
<div>
<span>by Adam Sandberg Eriksson</span>
<i>at 2019-04-01T07:32:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">configure: document the use of the LD variable
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/10352efa453810b7b49be475cd2ebf3c2fc0cd61">10352efa</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-01T22:22:34Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Add feature request MR template
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/1e52054bab20f28c7447fe80dad5353e71cea774">1e52054b</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-01T23:16:21Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Move feature request template to issue_templates
Whoops.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e5c21ca9dfcd7ff3b382f557a91c50c0a45e4330">e5c21ca9</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-01T23:16:25Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Mention ~"user facing" label
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/39282422afe58a0855c2fe5315163236c116c2f4">39282422</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-04-02T00:01:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump array submodule
This bumps `array` to version 0.5.4.0 so that we can distinguish
it with `MIN_VERSION_array` (as it introduces some changes to the
`Show` instance for `UArray`).
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/7cf5ba3dba88356571197b470556e888581212d7">7cf5ba3d</a></strong>
<div>
<span>by Michal Terepeta</span>
<i>at 2019-04-02T00:07:49Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Improve performance of newSmallArray#
This:
- Hoists part of the condition outside of the initialization loop in
`stg_newSmallArrayzh`.
- Annotates one of the unlikely branches as unlikely, also in
`stg_newSmallArrayzh`.
- Adds a couple of annotations to `allocateMightFail` indicating which
branches are likely to be taken.
Together this gives about 5% improvement.
Signed-off-by: Michal Terepeta <michal.terepeta@gmail.com>
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/dd9c82ef38e87ede01d81907c5037845f2944435">dd9c82ef</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-04-02T00:13:55Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: correct deps for ghc builder.
Previously, when needing ghc as a builder, the ghcDeps (Files
the GHC binary depends on) for the current stage were needed.
This is incorrect as the previous stage's ghc is used for building.
This commit fixes the issue, needing the previous stage's ghcDeps.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/345306d3fa5e84de8b6783c0bc70cf3ba5ecd2b7">345306d3</a></strong>
<div>
<span>by Alexandre Baldé</span>
<i>at 2019-04-02T16:34:30Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix formatting issue in ghc-prim's changelog [skip ci]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/f54b5124bd449dd0d818725a5797e7aa9d9e9eba">f54b5124</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-04-02T16:40:39Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: traceAllow deep dependencies when compilling haskell object files.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/d132b30ad7ee73606c745ad7e0b81383eea69d0a">d132b30a</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-04-02T16:40:39Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: lint ignore autom4te and ghc-pkg cache files.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/bf73419518ca550e85188616f860961c7e2a336b">bf734195</a></strong>
<div>
<span>by Simon Marlow</span>
<i>at 2019-04-02T16:46:46Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add myself to libraries/ghci</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/5a75ccd0993ff2fdf827824e28ae7db4ad9c25ad">5a75ccd0</a></strong>
<div>
<span>by klebinger.andreas@gmx.at</span>
<i>at 2019-04-03T04:34:57Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix faulty substitutions in StgCse (#11532).
`substBndr` should rename bindings which shadow existing ids.
However while it was renaming the bindings it was not adding proper substitutions
for renamed bindings.
Instead of adding a substitution of the form `old -> new` for renamed
bindings it mistakenly added `old -> old` if no replacement had taken
place while adding none if `old` had been renamed.
As a byproduct this should improve performance, as we no longer add
useless substitutions for unshadowed bindings.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/2ec749b5994aef0eff9185ad2985bfa847cec021">2ec749b5</a></strong>
<div>
<span>by Nathan Collins</span>
<i>at 2019-04-03T04:41:05Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Fix typo
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/ea192a0932c6a95d7854e86f743c11249af23ded">ea192a09</a></strong>
<div>
<span>by Andrew Martin</span>
<i>at 2019-04-03T04:41:05Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">base: Add documentation that liftA2 used to not be a typeclass method
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/733f1b52448e5ddd5f3f0d218050f5f22a707b5e">733f1b52</a></strong>
<div>
<span>by Frank Steffahn</span>
<i>at 2019-04-03T04:41:05Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Typo in Users Guide, Glasgow Exts
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/3364def0a28d8b888f558cb9fdab379685636854">3364def0</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-03T04:41:05Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">integer-gmp: Write friendlier documentation for Integer
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/dd3a3d08e99114b791f5d1ef9218d922cdfd90e0">dd3a3d08</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-03T04:41:05Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">integer-simple: Add documentation for Integer type
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/722fdddf31932236d4246821cb79987fa9422a7e">722fdddf</a></strong>
<div>
<span>by Chris Martin</span>
<i>at 2019-04-03T04:41:05Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Correct two misspellings of "separately"
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/bf6dbe3d1046573cb71fd534a326a9a0e6f1b220">bf6dbe3d</a></strong>
<div>
<span>by Chris Martin</span>
<i>at 2019-04-03T04:41:05Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Inline the definition of 'ap' in the Monad laws
The law as it is currently written is meaningless, because nowhere have
we defined the implementation of 'ap'. The reader of the Control.Monad
documentation is provided with only a type signature,
> ap :: Monad m => m (a -> b) -> m a -> m b
an informal description,
> In many situations, the liftM operations can be replaced by uses of
> ap, which promotes function application.
and a relationship between 'ap' and the 'liftM' functions
> return f `ap` x1 `ap` ... `ap` xn
> is equivalent to
> liftMn f x1 x2 ... xn
Without knowing how 'ap' is defined, a law involving 'ap' cannot
provide any guidance for how to write a lawful Monad instance, nor can
we conclude anything from the law.
I suspect that a reader equipped with the understanding that 'ap' was
defined prior to the invention of the Applicative class could deduce
that 'ap' must be defined in terms of (>>=), but nowhere as far as I can
tell have we written this down explicitly for readers without the
benefit of historical context.
If the law is meant to express a relationship among (<*>), (>>=), and
'return', it seems that it is better off making this statement directly,
sidestepping 'ap' altogether.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/7b090b53fea065d2cfd967ea919426af9ba8d737">7b090b53</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-03T07:57:40Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">configure: Always use AC_LINK_ELSEIF when testing against assembler
This fixes #16440, where the build system incorrectly concluded that the
`.subsections_via_symbols` assembler directive was supported on a Linux
system. This was caused by the fact that gcc was invoked with `-flto`;
when so-configured gcc does not call the assembler but rather simply
serialises its AST for compilation during the final link.
This is described in Note [autoconf assembler checks and -flto].
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/4626cf213fe7affe5f8c2d94dbf03e727c816694">4626cf21</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2019-04-03T08:03:47Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix Uncovered set of literal patterns
Issues #16289 and #15713 are proof that the pattern match checker did
an unsound job of estimating the value set abstraction corresponding to
the uncovered set.
The reason is that the fix from #11303 introducing `NLit` was
incomplete: The `LitCon` case desugared to `Var` rather than `LitVar`,
which would have done the necessary case splitting analogous to the
`ConVar` case.
This patch rectifies that by introducing the fresh unification variable
in `LitCon` in value abstraction position rather than pattern postition,
recording a constraint equating it to the constructor expression rather
than the literal. Fixes #16289 and #15713.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/6f13e7b13de361f0813a8752a7279ec3c1383755">6f13e7b1</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-03T12:12:26Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Build hyperlinked sources for releases
Fixes #16445.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/895394c26156993a9405039fe53fde3a6b1414b7">895394c2</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-03T12:15:06Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Fix label names in issue templates
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/75abaaead796415cf2b5da610f4b3ee75b9d7759">75abaaea</a></strong>
<div>
<span>by Yuriy Syrovetskiy</span>
<i>at 2019-04-04T08:23:19Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Replace git.haskell.org with gitlab.haskell.org (#16196)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/25c02ea172ef1dad2d12d8baff6ce57a68bf4127">25c02ea1</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-04-04T08:29:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix #16518 with some more kind-splitting smarts
This patch corrects two simple oversights that led to #16518:
1. `HsUtils.typeToLHsType` was taking visibility into account in the
`TyConApp` case, but not the `AppTy` case. I've factored out the
visibility-related logic into its own `go_app` function and now
invoke `go_app` from both the `TyConApp` and `AppTy` cases.
2. `Type.fun_kind_arg_flags` did not properly split kinds with
nested `forall`s, such as
`(forall k. k -> Type) -> (forall k. k -> Type)`. This was simply
because `fun_kind_arg_flags`'s `FunTy` case always bailed out and
assumed all subsequent arguments were `Required`, which clearly
isn't the case for nested `forall`s. I tweaked the `FunTy` case
to recur on the result kind.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/51fd357119b357c52e990ccce9059c423cc49406">51fd3571</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-04-04T08:35:39Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use funPrec, not topPrec, to parenthesize GADT argument types
A simple oversight. Fixes #16527.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/6c0dd085c16bad20f6604ce608df6db275d6bca9">6c0dd085</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-04T12:12:24Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Add testcase for #16111
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/cbb8886560e63b662f50965cc96efafa8dd6875a">cbb88865</a></strong>
<div>
<span>by klebinger.andreas@gmx.at</span>
<i>at 2019-04-04T12:12:25Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Restore Xmm registers properly in StgCRun.c
This fixes #16514: Xmm6-15 was restored based off rax instead of rsp.
The code was introduced in the fix for #14619.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/33b0a291898b6a35d822fde59864c5c94a53d039">33b0a291</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-04-04T12:12:28Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Tweak error messages for narrowly-kinded assoc default decls
This program, from #13971, currently has a rather confusing error
message:
```hs
class C a where
type T a :: k
type T a = Int
```
```
• Kind mis-match on LHS of default declaration for ‘T’
• In the default type instance declaration for ‘T’
In the class declaration for ‘C’
```
It's not at all obvious why GHC is complaining about the LHS until
you realize that the default, when printed with
`-fprint-explicit-kinds`, is actually `type T @{k} @* a = Int`.
That is to say, the kind of `a` is being instantiated to `Type`,
whereas it ought to be a kind variable. The primary thrust of this
patch is to weak the error message to make this connection
more obvious:
```
• Illegal argument ‘*’ in:
‘type T @{k} @* a = Int’
The arguments to ‘T’ must all be type variables
• In the default type instance declaration for ‘T’
In the class declaration for ‘C’
```
Along the way, I performed some code cleanup suggested by @rae in
https://gitlab.haskell.org/ghc/ghc/issues/13971#note_191287. Before,
we were creating a substitution from the default declaration's type
variables to the type family tycon's type variables by way of
`tcMatchTys`. But this is overkill, since we already know (from the
aforementioned validity checking) that all the arguments in a default
declaration must be type variables anyway. Therefore, creating the
substitution is as simple as using `zipTvSubst`. I took the
opportunity to perform this refactoring while I was in town.
Fixes #13971.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/3a38ea4487173f0f8e3693a75d1c5c7d33f12f05">3a38ea44</a></strong>
<div>
<span>by Eric Crockett</span>
<i>at 2019-04-07T19:21:59Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix #16282.
Previously, -W(all-)missed-specs was created with 'NoReason',
so no information about the flag was printed along with the warning.
Now, -Wall-missed-specs is listed as the Reason if it was set,
otherwise -Wmissed-specs is listed as the reason.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/63b7d5fb9d695dafc243cbf6f9f70b06030c0dea">63b7d5fb</a></strong>
<div>
<span>by Michal Terepeta</span>
<i>at 2019-04-08T18:29:34Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Generate straightline code for inline array allocation
GHC has an optimization for allocating arrays when the size is
statically known -- it'll generate the code allocating and initializing
the array inline (instead of a call to a procedure from
`rts/PrimOps.cmm`).
However, the generated code uses a loop to do the initialization. Since
we already check that the requested size is small (we check against
`maxInlineAllocSize`), we can generate faster straightline code instead.
This brings about 15% improvement for `newSmallArray#` in my testing and
slightly simplifies the code in GHC.
Signed-off-by: Michal Terepeta <michal.terepeta@gmail.com>
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/2b3f4718502465e2b4dfa4a7868ed7a3ad5e4ff1">2b3f4718</a></strong>
<div>
<span>by Phuong Trinh</span>
<i>at 2019-04-08T18:35:43Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix #16500: look for interface files in -hidir flag in OneShot mode
We are currently ignoring options set in the hiDir field of hsc_dflags
when looking for interface files while compiling in OneShot mode. This
is inconsistent with the behaviour of other directory redirecting fields
(such as objectDir or hieDir). It is also inconsistent with the
behaviour of compilation in CompManager mode (a.k.a `ghc --make`) which
looks for interface files in the directory set in hidir flag. This
changes Finder.hs so that we use the value of hiDir while looking for
interface in OneShot mode.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/97502be8bda9199ac058b9677b4b6ba028022936">97502be8</a></strong>
<div>
<span>by Yuriy Syrovetskiy</span>
<i>at 2019-04-08T18:41:51Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add `-optcxx` option (#16477)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/97d3d546e6f03977a9cbe7d5499bb66510411468">97d3d546</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-08T18:47:54Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Unmark T16190 as broken
Was broken via #16389 yet strangely it has started passing despite the
fact that the suggested root cause has not changed.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/a42d206a76e03b4cd831aa7bc72c6d4a0f124bd1">a42d206a</a></strong>
<div>
<span>by Yuriy Syrovetskiy</span>
<i>at 2019-04-08T18:54:02Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix whitespace style
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/4dda2270d26017eadddd99ed567aacf41c2913b9">4dda2270</a></strong>
<div>
<span>by Matthew Pickering</span>
<i>at 2019-04-08T19:00:08Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use ./hadrian/ghci.sh in .ghcid
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/d236d9d0f4f3be0641933b959dde14a065acd37f">d236d9d0</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2019-04-08T19:06:15Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Make `singleConstructor` cope with pattern synonyms
Previously, `singleConstructor` didn't handle singleton `COMPLETE` sets
of a single pattern synonym, resulting in incomplete pattern warnings
in #15753.
This is fixed by making `singleConstructor` (now named
`singleMatchConstructor`) query `allCompleteMatches`, necessarily making
it effectful. As a result, most of this patch is concerned with
threading the side-effect through to `singleMatchConstructor`.
Unfortunately, this is not enough to completely fix the original
reproduction from #15753 and #15884, which are related to function
applications in pattern guards being translated too conservatively.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/1085090e83bbf2a7dbb1b9a2e9023f3500538930">1085090e</a></strong>
<div>
<span>by Ömer Sinan Ağacan</span>
<i>at 2019-04-08T19:12:22Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Skip test ArithInt16 and ArithWord16 in GHCi way
These tests use unboxed tuples, which GHCi doesn't support
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/7287bb9ea51251441bc8caca2894549ab34fbcb3">7287bb9e</a></strong>
<div>
<span>by Ömer Sinan Ağacan</span>
<i>at 2019-04-08T19:18:33Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Show exit code of GHCi tests on failure
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/f5604d3709d015f4085843a92298af3e53c08d36">f5604d37</a></strong>
<div>
<span>by John Ericson</span>
<i>at 2019-04-08T19:24:43Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">settings.in: Reformat
We're might be about to switch to generating it in Hadrian/Make. This
reformat makes it easier to programmingmatically generate and end up
with the exact same thing, which is good for diffing to ensure no
regressions.
I had this as part of !712, but given the difficulty of satisfying CI, I
figured I should break things up even further.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/cf9e1837adc647c90cfa176669d14e0d413c043d">cf9e1837</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-04-08T19:30:51Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump hpc submodule
Currently, the `hpc` submodule is pinned against the `wip/final-mfp`
branch, not against `master`. This pins it back against `master`.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/36d380475d9056fdf93305985be3def00aaf6cf7">36d38047</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-09T14:23:47Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Document how to disable package environments
As noted in #16309 this somehow went undocumented.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/af4cea7f1411e5b99e2417d7c2d3d0e697093103">af4cea7f</a></strong>
<div>
<span>by Artem Pyanykh</span>
<i>at 2019-04-09T14:30:13Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">codegen: fix memset unroll for small bytearrays, add 64-bit sets
Fixes #16052
When the offset in `setByteArray#` is statically known, we can provide
better alignment guarantees then just 1 byte.
Also, memset can now do 64-bit wide sets.
The current memset intrinsic is not optimal however and can be
improved for the case when we know that we deal with
(baseAddress at known alignment) + offset
For instance, on 64-bit
`setByteArray# s 1# 23# 0#`
given that bytearray is 8 bytes aligned could be unrolled into
`movb, movw, movl, movq, movq`; but currently it is
`movb x23` since alignment of 1 is all we can embed into MO_Memset op.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/bd2de4f06169e15506bb357cf7c2c8b1dad37d67">bd2de4f0</a></strong>
<div>
<span>by Artem Pyanykh</span>
<i>at 2019-04-09T14:30:13Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">codegen: use newtype for Alignment in BasicTypes
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/14a7870770fb2dd2e096bc13e8c927d49c868911">14a78707</a></strong>
<div>
<span>by Artem Pyanykh</span>
<i>at 2019-04-09T14:30:13Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">docs: add a note about changes in memset unrolling to 8.10.1-notes
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/fe40ddd9f960d89fbb430962f642ee9b053a0492">fe40ddd9</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2019-04-09T16:50:15Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: fix library install paths in bindist Makefile (#16498)
GHC now works out-of-the-box (i.e. without any wrapper script) by
assuming that @bin@ and @lib@ directories sit next to each other. In
particular, its RUNPATH uses $ORIGIN-based relative path to find the
libraries.
However, to be good citizens we want to support the case where @bin@ and
@lib@ directories (respectively BINDIR and LIBDIR) don't sit next to
each other or are renamed. To do that the install script simply creates
GHC specific @bin@ and @lib@ siblings directories into:
LIBDIR/ghc-VERSION/{bin,lib}
Then it installs wrapper scripts into BINDIR that call the appropriate
programs into LIBDIR/ghc-VERSION/bin/.
The issue fixed by this patch is that libraries were not installed into
LIBDIR/ghc-VERSION/lib but directly into LIBDIR.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/9acdc4c0ea14f890045e973dabcb5ad3bb029505">9acdc4c0</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-09T16:56:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Bump cabal-install version used by Windows builds to 2.4
Hopefully fixes Windows Hadrian build.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/fc3f421bd63cbf550cd0c8771aaf11e9c362f4d1">fc3f421b</a></strong>
<div>
<span>by Joachim Breitner</span>
<i>at 2019-04-10T03:17:37Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">GHC no longer ever defines TABLES_NEXT_TO_CODE on its own
It should be entirely the responsibility of make/Hadrian to ensure that
everything that needs this flag gets it. GHC shouldn't be hardcoded to
assist with bootstrapping since it builds other things besides itself.
Reviewers:
Subscribers: TerrorJack, rwbarton, carter
GHC Trac Issues: #15548 -- progress towards but not fix
Differential Revision: https://phabricator.haskell.org/D5082 -- extract
from that
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/be0dde8e3c27ca56477d1d1801bb77621f3618e1">be0dde8e</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-04-10T03:23:50Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use ghc-prim < 0.7, not <= 0.6.1, as upper version bounds
Using `ghc-prim <= 0.6.1` is somewhat dodgy from a PVP point of view,
as it makes it awkward to support new minor releases of `ghc-prim`.
Let's instead use `< 0.7`, which is the idiomatic way of expressing
PVP-compliant upper version bounds.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/42504f4a575395a35eec5c3fd7c9ef6e2b54e68e">42504f4a</a></strong>
<div>
<span>by Carter Schonwald</span>
<i>at 2019-04-11T00:28:41Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">removing x87 register support from native code gen
* simplifies registers to have GPR, Float and Double, by removing the SSE2 and X87 Constructors
* makes -msse2 assumed/default for x86 platforms, fixing a long standing nondeterminism in rounding
behavior in 32bit haskell code
* removes the 80bit floating point representation from the supported float sizes
* theres still 1 tiny bit of x87 support needed,
for handling float and double return values in FFI calls wrt the C ABI on x86_32,
but this one piece does not leak into the rest of NCG.
* Lots of code thats not been touched in a long time got deleted as a
consequence of all of this
all in all, this change paves the way towards a lot of future further
improvements in how GHC handles floating point computations, along with
making the native code gen more accessible to a larger pool of contributors.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/c401f8a487ce6762476b113ad9f0d32960a3e152">c401f8a4</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2019-04-11T23:51:24Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: fix binary-dir with --docs=none
Hadrian's "binary-dist" target must check that the "docs" directory
exists (it may not since we can disable docs generation).
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/091195a49c29a4f81b7e8ffb1e5136f15077c3db">091195a4</a></strong>
<div>
<span>by Ömer Sinan Ağacan</span>
<i>at 2019-04-11T23:57:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove unused remilestoning script
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/fa0ccbb8731e3a44dba130e835ce2a5da994c66c">fa0ccbb8</a></strong>
<div>
<span>by Ömer Sinan Ağacan</span>
<i>at 2019-04-11T23:57:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Update a panic message
Point users to the right URL
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/beaa07d204a779cc509985765a87da95faefb359">beaa07d2</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2019-04-12T17:17:21Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: fix ghci wrapper script generation (#16508)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e05df3e1380989ca00ecd88b6d7d0f4aec5502fb">e05df3e1</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-12T17:23:30Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Ensure that version number has three components
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/885d2e04854f038fbb899ab545df2b57d9b8bba4">885d2e04</a></strong>
<div>
<span>by klebinger.andreas@gmx.at</span>
<i>at 2019-04-12T18:40:04Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add -ddump-stg-final to dump stg as it is used for codegen.
Intermediate STG does not contain free variables which can be useful
sometimes. So adding a flag to dump that info.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/3c759ced1c894da2358d12fa91e20f12adf0e5bd">3c759ced</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2019-04-12T18:46:54Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: add a --test-accept/-a flag, to mimic 'make accept'
When -a or --test-accept is passed, and if one runs the 'test' target, then
any test failing because of mismatching output and which is not expected to
fail will have its expected output adjusted by the test driver, effectively
considering the new output correct from now on.
When this flag is passed, hadrian's 'test' target becomes sensitive to the
PLATFORM and OS environment variable, just like the Make build system:
- when the PLATFORM env var is set to "YES", when accepting a result, accept it
for the current platform;
- when the OS env var is set to "YES", when accepting a result, accept it
for all wordsizes of the current operating system.
This can all be combined with `--only="..."` and `TEST="..." to only accept
the new output of a subset of tests.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/f4b5a6c040abb492367fdfe18c4f2ebf03c0d084">f4b5a6c0</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2019-04-12T18:46:54Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: document -a/--test-accept
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/30a0988d2a1398bc5be79e506a3cc55df4b5bd79">30a0988d</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-12T19:41:07Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Disable windows-hadrian job
Not only is it reliably failing due to #16574 but all of the quickly
failing builds also causes the Windows runners to run out of disk space.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/8870a51bd62f2d4ee7bd21b96240d5806c2817af">8870a51b</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-12T19:41:07Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab: Don't run lint-submods job on Marge branches
This broke Marge by creating a second pipeline (consisting of only the
`lint-submods` job). Marge then looked at this pipeline and concluded
that CI for her merge branch passed. However, this is ignores the fact
that the majority of the CI jobs are triggered on `merge_request` and
are therefore in another pipeline.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/7876d08881b66c3e47d8dab3420c9c14616325e4">7876d088</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-13T13:51:59Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">linters: Fix check-version-number
This should have used `grep -E`, not `grep -e`</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/2e7b2e55de503d3b5086c0cec5f320667503f699">2e7b2e55</a></strong>
<div>
<span>by Ara Adkins</span>
<i>at 2019-04-13T14:00:02Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">[skip ci] Update CI badge in readme
This trivial MR updates the CI badge in the readme to point to the
new CI on gitlab, rather than the very out-of-date badge from
Travis.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/40848a43072768d5a0a41a1df05f7a8ffd85f345">40848a43</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-13T14:02:36Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">base: Better document implementation implications of Data.Timeout
As noted in #16546 timeout uses asynchronous exceptions internally, an
implementation detail which can leak out in surprising ways. Note this
fact.
Also expose the `Timeout` tycon.
[skip ci]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/5f1830817b90960d5d11bee95a99df3e1425f8ab">5f183081</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-04-14T05:08:15Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: add rts shared library symlinks for backwards compatability
Fixes test T3807 when building with Hadrian.
Trac #16370
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/9b142c53325ffee6e3eef55daabefe9e2881f9e9">9b142c53</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2019-04-14T05:14:23Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: add binary-dist-dir target
This patch adds an Hadrian target "binary-dist-dir". Compared to
"binary-dist", it only builds a binary distribution directory without
creating the Tar archive. It makes the use/test of the bindist
installation script easier.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/6febc444c0abea6c033174aa0e813c950b9b2877">6febc444</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2019-04-14T05:20:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix assertion failures reported in #16533
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/edcef7b384ca5af6e67d58c39779d03f80768538">edcef7b3</a></strong>
<div>
<span>by Artem Pyanykh</span>
<i>at 2019-04-14T05:26:35Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">codegen: unroll memcpy calls for small bytearrays
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/6094d43f36bdab5ff3f246afca9a6018545fdd73">6094d43f</a></strong>
<div>
<span>by Artem Pyanykh</span>
<i>at 2019-04-14T05:26:35Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">docs: mention memcpy optimization for ByteArrays in 8.10.1-notes
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/d2271fe4e841cc157385bfc9ee498a0bf805f250">d2271fe4</a></strong>
<div>
<span>by Simon Jakobi</span>
<i>at 2019-04-14T12:43:17Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Ord docs: Add explanation on 'min' and 'max' operator interactions
[ci skip]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e7cad16c19fb226353d3fb6e92914ed953d32857">e7cad16c</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2019-04-14T12:49:23Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add a safeguard to Core Lint
Lint returns a pair (Maybe a, WarnsAndErrs). The Maybe monad
allows to handle an unrecoverable failure.
In case of such a failure, the error should be added to the second
component of the pair. If this is not done, Lint will silently
accept bad programs. This situation actually happened during
development of linear types. This adds a safeguard.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/c54a093ffb46b2efa0cc1511797fe8e01987ae87">c54a093f</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-14T12:55:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">CODEOWNERS: Add simonmar as owner of rts/linker
I suspect this is why @simonmar wasn't notified of !706.
[skip ci]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/1825f50d1736401724ef644e4d481cc26e8f47e5">1825f50d</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2019-04-14T13:01:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: don't accept p_dyn for executables, to fix --flavour=prof
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/b024e2891d06a81b3fd824f33fc72fb805e03c8f">b024e289</a></strong>
<div>
<span>by Giles Anderson</span>
<i>at 2019-04-15T10:20:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Document how -O3 is handled by GHC
-O2 is the highest value of optimization.
-O3 will be reverted to -O2.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/4b1ef06d45fb3cd226b5ec4217e975d48b85e645">4b1ef06d</a></strong>
<div>
<span>by Giles Anderson</span>
<i>at 2019-04-15T10:20:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Apply suggestion to docs/users_guide/using-optimisation.rst</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/71cf94db8445e5d8225ce65a9feecbfaa3ac3fe3">71cf94db</a></strong>
<div>
<span>by Fraser Tweedale</span>
<i>at 2019-04-15T10:26:37Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">GHCi: fix load order of .ghci files
Directives in .ghci files in the current directory ("local .ghci")
can be overridden by global files. Change the order in which the
configs are loaded: global and $HOME/.ghci first, then local.
Also introduce a new field to GHCiState to control whether local
.ghci gets sourced or ignored. This commit does not add a way to
set this value (a subsequent commit will add this), but the .ghci
sourcing routine respects its value.
Fixes: https://gitlab.haskell.org/ghc/ghc/issues/14689
Related: https://gitlab.haskell.org/ghc/ghc/issues/6017
Related: https://gitlab.haskell.org/ghc/ghc/issues/14250
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/5c06b60d0e2e270c9ccacebb96ca0da4d0f4e6d9">5c06b60d</a></strong>
<div>
<span>by Fraser Tweedale</span>
<i>at 2019-04-15T10:26:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: update startup script order
Update users guide to match the new startup script order. Also
clarify that -ignore-dot-ghci does not apply to scripts specified
via the -ghci-script option.
Part of: https://gitlab.haskell.org/ghc/ghc/issues/14689
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/aa490b350b35a07495837e96d01137ed50915131">aa490b35</a></strong>
<div>
<span>by Fraser Tweedale</span>
<i>at 2019-04-15T10:26:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">GHCi: add 'local-config' setting
Add the ':set local-config { source | ignore }' setting to control
whether .ghci file in current directory will be sourced or not. The
directive can be set in global config or $HOME/.ghci, which are
processed before local .ghci files.
The default is "source", preserving current behaviour.
Related: https://gitlab.haskell.org/ghc/ghc/issues/6017
Related: https://gitlab.haskell.org/ghc/ghc/issues/14250
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/ed94d3450cbb6ec7a31d9aa37efb7fe93d0559cf">ed94d345</a></strong>
<div>
<span>by Fraser Tweedale</span>
<i>at 2019-04-15T10:26:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: document :set local-config
Document the ':set local-config' command and add a warning about
sourcing untrusted local .ghci scripts.
Related: https://gitlab.haskell.org/ghc/ghc/issues/6017
Related: https://gitlab.haskell.org/ghc/ghc/issues/14250
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/be05bd8168b0ea65d63dc0093a5c8781a2528500">be05bd81</a></strong>
<div>
<span>by Gabor Greif</span>
<i>at 2019-04-15T21:19:03Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">asm-emit-time IND_STATIC elimination
When a new closure identifier is being established to a
local or exported closure already emitted into the same
module, refrain from adding an IND_STATIC closure, and
instead emit an assembly-language alias.
Inter-module IND_STATIC objects still remain, and need to be
addressed by other measures.
Binary-size savings on nofib are around 0.1%.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/57eb5bc61317e5cdf1fd5745036e443037a37451">57eb5bc6</a></strong>
<div>
<span>by erthalion</span>
<i>at 2019-04-16T19:40:36Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Show dynamic object files (#16062)
Closes #16062. When -dynamic-too is specified, reflect that in the
progress message, like:
$ ghc Main.hs -dynamic-too
[1 of 1] Compiling Lib ( Main.hs, Main.o, Main.dyn_o )
instead of:
$ ghc Main.hs -dynamic-too
[1 of 1] Compiling Lib ( Main.hs, Main.o )
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/894ec447955a5066faee1b87af9cc7785ae14cd8">894ec447</a></strong>
<div>
<span>by Andrey Mokhov</span>
<i>at 2019-04-16T19:46:44Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: Generate GHC wrapper scripts
This is a temporary workaround for #16534. We generate wrapper scripts
<build-root>/ghc-stage1 and <build-root>/ghc-stage2 that can be used to
run Stage1 and Stage2 GHCs with the right arguments.
See https://gitlab.haskell.org/ghc/ghc/issues/16534.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e142ec99e91ef4bdffd367780e945526ec6ef7e2">e142ec99</a></strong>
<div>
<span>by Sven Tennie</span>
<i>at 2019-04-18T03:19:00Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Typeset Big-O complexities with Tex-style notation (#16090)
E.g. use `\(\mathcal{O}(n^2)\)` instead of `/O(n^2)/`.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/f0f495f0c4e16520adea83e82885dc08fa0c38a3">f0f495f0</a></strong>
<div>
<span>by klebinger.andreas@gmx.at</span>
<i>at 2019-04-18T03:25:10Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add an Outputable instance for SDoc with ppr = id.
When printf debugging this can be helpful.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e28706ea0d7b8115716926d0016cd070ab5ab326">e28706ea</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2019-04-18T12:12:07Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Gitlab: allow execution of CI pipeline from the web interface
[skip ci]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/4c8a67a4b025774993b80442fb3654c8868c1d24">4c8a67a4</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2019-04-18T12:18:18Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: fix ghcDebugged and document it
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/5988f17a799ba3416bb6ed539ae65e1f3fd9f2c0">5988f17a</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2019-04-19T02:46:12Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: fix the value we pass to the test driver for config.compiler_debugged
We used to pass YES/NO, while that particular field is set to True/False. This
happens to fix an unexpected pass, T9208.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/57cf113302eee6068a1b10cba348f4b7de7faeae">57cf1133</a></strong>
<div>
<span>by Alec Theriault</span>
<i>at 2019-04-19T02:52:25Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">TH: make `Lift` and `TExp` levity-polymorphic
Besides the obvious benefits of being able to manipulate `TExp`'s of
unboxed types, this also simplified `-XDeriveLift` all while making
it more capable.
* `ghc-prim` is explicitly depended upon by `template-haskell`
* The following TH things are parametrized over `RuntimeRep`:
- `TExp(..)`
- `unTypeQ`
- `unsafeTExpCoerce`
- `Lift(..)`
* The following instances have been added to `Lift`:
- `Int#`, `Word#`, `Float#`, `Double#`, `Char#`, `Addr#`
- unboxed tuples of lifted types up to arity 7
- unboxed sums of lifted types up to arity 7
Ideally we would have levity-polymorphic _instances_ of unboxed
tuples and sums.
* The code generated by `-XDeriveLift` uses expression quotes
instead of generating large amounts of TH code and having
special hard-coded cases for some unboxed types.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/fdfd97310128d82ac5316d357f0422c9939c1edc">fdfd9731</a></strong>
<div>
<span>by Alec Theriault</span>
<i>at 2019-04-19T02:52:25Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add test case for #16384
Now that `TExp` accepts unlifted types, #16384 is fixed. Since the real
issue there was GHC letting through an ill-kinded type which
`-dcore-lint` rightly rejected, a reasonable regression test is that
the program from #16384 can now be accepted without `-dcore-lint`
complaining.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/eb2a4df84cd7d66bb27f8ccb08ef10d5c984e892">eb2a4df8</a></strong>
<div>
<span>by Michal Terepeta</span>
<i>at 2019-04-20T03:32:08Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">StgCmmPrim: remove an unnecessary instruction in doNewArrayOp
Previously we would generate a local variable pointing after the array
header and use it to initialize the array elements. But we already use
stores with offset, so it's easy to just add the header to those offsets
during compilation and avoid generating the local variable (which would
become a LEA instruction when using native codegen; LLVM already
optimizes it away).
Signed-off-by: Michal Terepeta <michal.terepeta@gmail.com>
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/fcef26b62569428d47e96fcd8946a733540783ab">fcef26b6</a></strong>
<div>
<span>by klebinger.andreas@gmx.at</span>
<i>at 2019-04-20T03:38:16Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Don't indent single alternative case expressions for STG.
Makes the width of STG dumps slightly saner.
Especially for things like unboxing.
Fixes #16580
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e7280c93ef8f0685bbd63552b5b72c029907687e">e7280c93</a></strong>
<div>
<span>by Vladislav Zavialov</span>
<i>at 2019-04-20T03:44:24Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Tagless final encoding of ExpCmdI in the parser
Before this change, we used a roundabout encoding:
1. a GADT (ExpCmdG)
2. a class to pass it around (ExpCmdI)
3. helpers to match on it (ecHsApp, ecHsIf, ecHsCase, ...)
It is more straightforward to turn these helpers into class methods,
removing the need for a GADT.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/99dd5d6b8365ecc8748651395c503b2c0b82490e">99dd5d6b</a></strong>
<div>
<span>by Alec Theriault</span>
<i>at 2019-04-20T03:50:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Haddock: support strict GADT args with docs
Rather than massaging the output of the parser to re-arrange docs and
bangs, it is simpler to patch the two places in which the strictness
info is needed (to accept that the `HsBangTy` may be inside an
`HsDocTy`).
Fixes #16585.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/10776562d8b9c92f6dee0fec6294c07944b19442">10776562</a></strong>
<div>
<span>by Andrey Mokhov</span>
<i>at 2019-04-20T03:56:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: Drop old/unused CI scripts
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/37b1a6da9244d2714c9ff4f9b6174a1ed715acb8">37b1a6da</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-20T15:55:20Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Improve error message on failure of doc-tarball job
Previously the failure was quite nondescript.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e3fe26010dfc3a9681ac6ea976e299e6f8966af1">e3fe2601</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-20T15:55:35Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Allow doc-tarball job to fail
Due to allowed failure of Windows job.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/bd3872dff8889427942ad63966e8f274f44489f8">bd3872df</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-20T15:55:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Only run release notes lint on release tags
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/2145b738aaa974ab0a7103b110e268fbf98b95c4">2145b738</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-20T15:55:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Add centos7 release job
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/983c53c3da7a2e4e9c91f21adbd93c68a7922bae">983c53c3</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-20T15:55:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Do not build profiled libraries on 32-bit Windows
Due to #15934.
</pre>
</li>
</ul>
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