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<h3>
Ben Gamari pushed to branch wip/bump-win32
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/0a1ecc5fd45a46372c3935df596f05432db1b270">0a1ecc5f</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-25T07:37:05-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">SysTools.Process: Handle exceptions in readCreateProcessWithExitCode'
In #18069 we are observing MVar deadlocks from somewhere in ghc.exe.
This use of MVar stood out as being one of the more likely culprits.
Here we make sure that it is exception-safe.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/db8793ad417ebfcb57d42e8111674a90706a7918">db8793ad</a></strong>
<div>
<span>by Richard Eisenberg</span>
<i>at 2020-08-25T07:37:40-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use tcView, not coreView, in the pure unifier.
Addresses a lingering point within #11715.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fb77207a23deade8e3f8598c34598535711264cc">fb77207a</a></strong>
<div>
<span>by Simon Peyton Jones</span>
<i>at 2020-08-25T07:38:16-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use LIdP rather than (XRec p (IdP p))
This patch mainly just replaces use of
XRec p (IdP p)
with
LIdP p
One slightly more significant change is to parameterise
HsPatSynDetails over the pass rather than the argument type,
so that it's uniform with HsConDeclDetails and HsConPatDetails.
I also got rid of the dead code GHC.Hs.type.conDetailsArgs
But this is all just minor refactoring. No change in functionality.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8426a1364ba450fe48fc41a95b2ba76c8d1bb7c8">8426a136</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2020-08-25T07:38:54-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add a test for #18585
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2d635a50b81732b2512b68c652aee36f489b5969">2d635a50</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2020-08-26T04:50:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">linters: Make CPP linter skip image files
This patch adds an exclusion rule for `docs/users_guide/images`,
to avoid lint errors of PDF files.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b7d98cb2606997e05ad6406929dae3aba746fbb9">b7d98cb2</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2020-08-26T04:50:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Color the logo on the front page of the PDF
This patch updates the logo with a recent color scheme.
This affects only the PDF version of the user's guide.
See also:
* https://mail.haskell.org/pipermail/ghc-devs/2020-August/019139.html
* https://gitlab.haskell.org/ghc/ghc/-/wikis/logo
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0b17fa185aec793861364afd9a05aa4219fbc019">0b17fa18</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-26T04:50:58-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactor UnitId pretty-printing
When we pretty-print a UnitId for the user, we try to map it back to its
origin package name, version and component to print
"package-version:component" instead of some hash.
The UnitId type doesn't carry these information, so we have to look into
a UnitState to find them. This is why the Outputable instance of
UnitId used `sdocWithDynFlags` in order to access the `unitState` field
of DynFlags.
This is wrong for several reasons:
1. The DynFlags are accessed when the message is printed, not when it is
generated. So we could imagine that the unitState may have changed
in-between. Especially if we want to allow unit unloading.
2. We want GHC to support several independent sessions at once, hence
several UnitState. The current approach supposes there is a unique
UnitState as a UnitId doesn't indicate which UnitState to use.
See the Note [Pretty-printing UnitId] in GHC.Unit for the new approach
implemented by this patch.
One step closer to remove `sdocDynFlags` field from `SDocContext`
(#10143).
Fix #18124.
Also fix some Backpack code to use SDoc instead of String.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/dc476a5040cdc64c177de0f78edaafec0972cff4">dc476a50</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-26T04:51:35-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bignum: fix BigNat subtraction (#18604)
There was a confusion between the boolean expected by
withNewWordArrayTrimedMaybe and the boolean returned by subtracting
functions.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fcb10b6c69e388d8c6e777baf39920e2cc694501">fcb10b6c</a></strong>
<div>
<span>by Peter Trommler</span>
<i>at 2020-08-26T10:42:30-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">PPC and X86: Portable printing of IEEE floats
GNU as and the AIX assembler support floating point literals.
SPARC seems to have support too but I cannot test on SPARC.
Curiously, `doubleToBytes` is also used in the LLVM backend.
To avoid endianness issues when cross-compiling float and double literals
are printed as C-style floating point values. The assembler then takes
care of memory layout and endianness.
This was brought up in #18431 by @hsyl20.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/770100e0266750a313b34a52a60968410fcf0769">770100e0</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2020-08-26T10:43:13-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">primops: Remove Monadic and Dyadic categories
There were four categories of primops: Monadic, Dyadic, Compare, GenPrimOp.
The compiler does not treat Monadic and Dyadic in any special way,
we can just replace them with GenPrimOp.
Compare is still used in isComparisonPrimOp.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/01ff8c89727a91cbc1571ae54f73f5919d6aaa71">01ff8c89</a></strong>
<div>
<span>by Aditya Gupta</span>
<i>at 2020-08-27T14:19:26-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Consolidate imports in getMinimalImports (#18264)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bacccb73c9b080c3c01a5e55ecb0a00cd8a77e55">bacccb73</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2020-08-27T14:20:01-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Make {hsExpr,hsType,pat}NeedsParens aware of boxed 1-tuples
`hsExprNeedsParens`, `hsTypeNeedsParens`, and `patNeedsParens`
previously assumed that all uses of explicit tuples in the source
syntax never need to be parenthesized. This is true save for one
exception: boxed one-tuples, which use the `Solo` data type from
`GHC.Tuple` instead of special tuple syntax. This patch adds the
necessary logic to the three `*NeedsParens` functions to handle
`Solo` correctly.
Fixes #18612.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c6f50cea42a9ffc947bf4243986663cc820b0ec8">c6f50cea</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2020-08-28T02:22:36-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add missing primop documentation (#18454)
- Add three pseudoops to primops.txt.pp, so that Haddock renders
the documentation
- Update comments
- Remove special case for "->" - it's no longer exported from GHC.Prim
- Remove reference to Note [Compiling GHC.Prim] - the ad-hoc fix is no
longer there after updates to levity polymorphism.
- Document GHC.Prim
- Remove the comment that lazy is levity-polymorphic.
As far as I can tell, it never was: in 80e399639,
only the unfolding was given an open type variable.
- Remove haddock hack in GHC.Magic - no longer neccessary after
adding realWorld# to primops.txt.pp.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f065b6b012fb8f73689bc5c2a4904d5e6e377af8">f065b6b0</a></strong>
<div>
<span>by Tamar Christina</span>
<i>at 2020-08-28T02:23:13-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix use distro toolchian
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4517a38215eb72a4824c72d97377b9325059bf55">4517a382</a></strong>
<div>
<span>by Tamar Christina</span>
<i>at 2020-08-28T02:23:13-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">document how build system find toolchains on Windows
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/329f7cb958551f5b384e2765a823770150152da2">329f7cb9</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-31T22:59:14-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">base: Better error message on invalid getSystemTimerManager call
Previously we would produce a rather unhelpful pattern match failure
error in the case where the user called `getSystemTimerManager` in a
program which isn't built with `-threaded`. This understandably confused
the user in #15616.
Fixes #15616.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f6d70a8ff6a6cd628738fec902fc984936105264">f6d70a8f</a></strong>
<div>
<span>by Roland Senn</span>
<i>at 2020-08-31T22:59:50-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add tests for #15617.
Avoid a similar regression in the future.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e5969fd06ad4b4c31a8bdce51d35f9aa05594b49">e5969fd0</a></strong>
<div>
<span>by Roland Senn</span>
<i>at 2020-08-31T23:00:27-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add additional tests for #18172 (Followup MR 3543)
There was still one active discussion [thread](https://gitlab.haskell.org/ghc/ghc/-/merge_requests/3543#note_284325) when MR !3543 got merged.
This MR adds the requested tests exercising the changes in
`compiler/GHC/HsToCore/Match/Literal.hs:warnAboutEmptyEnumerations` and its sub-functions.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fe18b4825c3289089a65b7b16b25e9d216a5b0fd">fe18b482</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-31T23:01:02-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump Win32 and process submodules
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2da933084b766fc424b11f5b671574d4c7317134">2da93308</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-31T23:01:39-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: fix slow-validate flavour (#18586)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/85e13008fb9a319c0b79db7c626f37bf20731beb">85e13008</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-08-31T23:02:15-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Update dominator code with fixes from the dom-lt package.
Two bugs turned out in the package that have been fixed since.
This MR includes this fixes in the GHC port of the code.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/dffb38fab00ac1cd1cbc75156abcf373976581f7">dffb38fa</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-08-31T23:02:15-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Dominators.hs: Use unix line endings
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6189cc04ca6c3d79126744e988b487f75ccef9e2">6189cc04</a></strong>
<div>
<span>by Moritz Angermann</span>
<i>at 2020-08-31T23:02:50-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">[fixup 3433] move debugBelch into IF_DEBUG(linker)
The commit in dff1cb3d9c111808fec60190747272b973547c52 incorrectly left
the `debugBelch` function without a comment or IF_DEBUG(linker,)
decoration. This rectifies it.
Needs at least a 8.10 backport, as it was backported in 6471cc6aff80d5deebbdb1bf7b677b31ed2af3d5
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bcb68a3f7f85b9fdef6f4845e608d086b01e6a58">bcb68a3f</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-31T23:03:27-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Don't store HomeUnit in UnitConfig
Allow the creation of a UnitConfig (hence of a UnitState) without having
a HomeUnit. It's required for #14335.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0a3723876c6c79a0a407d50f4baa2818a13f232e">0a372387</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-31T23:04:04-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix documentation and fix "check" bignum backend (#18604)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/eb85f125a227f6b5703d4a2e997c5ea320dfa31f">eb85f125</a></strong>
<div>
<span>by Moritz Angermann</span>
<i>at 2020-08-31T23:04:39-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Set the dynamic-system-linker flag to Manual
This flag should be user controllable, hence Manual: True.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/380ef84587fb6890d100c338d1992a6994a4f02a">380ef845</a></strong>
<div>
<span>by Sven Tennie</span>
<i>at 2020-08-31T23:05:14-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Ignore more files
Ignore files from "new style" cabal builds (dist-newstyle folders) and
from clangd (C language server).
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/74a7fbff5a8f244cd44345bf987e26413bb1989e">74a7fbff</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2020-08-31T23:05:51-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Limit upper version of Happy for ghc-9.0 and earlier (#18620)
This patch adds the upper bound of a happy version for ghc-9.0
and earlier.
Currently, we can't use happy-1.20.0 for ghc-9.0.
See #18620.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a4473f02ae2e685601e257b8668bea2ec721b294">a4473f02</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2020-08-31T23:05:51-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Limit upper version of Happy for ghc-9.2 (#18620)
This patch adds the upper bound of a happy version for ghc-9.2.
Currently, We can use happy-1.19 or happy-1.20 for ghc-9.2.
See #18620.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a8a2568b7b64e5b9fca5b12df7da759de4db39ae">a8a2568b</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-31T23:06:28-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bignum: add BigNat compat functions (#18613)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/884245dd29265b7bee12cda8c915da9c916251ce">884245dd</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-01T12:39:36-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix FastString lexicographic ordering (fix #18562)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4b4fbc58d37d37457144014ef82bdd928de175df">4b4fbc58</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-01T12:39:36-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove "Ord FastString" instance
FastStrings can be compared in 2 ways: by Unique or lexically. We don't
want to bless one particular way with an "Ord" instance because it leads
to bugs (#18562) or to suboptimal code (e.g. using lexical comparison
while a Unique comparison would suffice).
UTF-8 encoding has the advantage that sorting strings by their encoded
bytes also sorts them by their Unicode code points, without having to
decode the actual code points. BUT GHC uses Modified UTF-8 which
diverges from UTF-8 by encoding \0 as 0xC080 instead of 0x00 (to avoid
null bytes in the middle of a String so that the string can still be
null-terminated). This patch adds a new `utf8CompareShortByteString`
function that performs sorting by bytes but that also takes Modified
UTF-8 into account. It is much more performant than decoding the strings
into [Char] to perform comparisons (which we did in the previous patch).
Bump haddock submodule
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b4edcde70160820dd23c53d9019f895930e2c0e7">b4edcde7</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-01T14:53:42-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Add broken test for #18302
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bfab2a30be5cc68e7914c3f6bb9ae4ad33283ffc">bfab2a30</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-09-02T15:54:55-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Turn on -XMonoLocalBinds by default (#18430)
And fix the resulting type errors.
Co-authored-by: Krzysztof Gogolewski <krz.gogolewski@gmail.com>
Metric Decrease:
parsing001
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c30cc0e9c3704b24ad0f6d9a0199bf8b5835bd40">c30cc0e9</a></strong>
<div>
<span>by David Feuer</span>
<i>at 2020-09-02T15:55:31-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove potential space leak from Data.List.transpose
Previously, `transpose` produced a list of heads
and a list of tails independently. This meant that
a function using only some heads, and only some tails,
could potentially leak space. Use `unzip` to work
around the problem by producing pairs and selector
thunks instead. Time and allocation behavior will
be worse, but there should be no more leak potential.</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ffc3da474bd6febf8a120ebd432ad69f92fe03e0">ffc3da47</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-02T15:56:11-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove outdated note
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/85e621234916e9b5d40174831a3b422bd99f8f83">85e62123</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-02T15:56:48-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bignum: add missing compat import/export functions
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/397c2b03e90e74c94ff55849adb6aa2a84e3e783">397c2b03</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-03T17:31:47-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">configure: Work around Raspbian's silly packaging decisions
See #17856.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4891c18a49876958b44e50dc6e2f24326d92052f">4891c18a</a></strong>
<div>
<span>by Kathryn Spiers</span>
<i>at 2020-09-03T17:32:24-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">expected-undocumented-flags remove kill flags
It looks like the flags were removed in https://gitlab.haskell.org/ghc/ghc/-/commit/3e27205a66b06a4501d87eb31e285eadbc693eb7
and can safely be removed here</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1d6d648866da9e7754859c48235f8009b8c130fd">1d6d6488</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-04T16:24:20-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Don't rely on CLabel's Outputable instance in CmmToC
This is in preparation of the removal of sdocWithDynFlags (#10143),
hence of the refactoring of CLabel's Outputable instance.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/89ce7cdf977304cb7d0f325a013f822600c1bfbf">89ce7cdf</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-04T16:24:59-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">DynFlags: use Platform in foldRegs*
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/220ad8d67af345cf3decf82ff26c1e696d21ac93">220ad8d6</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-04T16:24:59-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">DynFlags: don't pass DynFlags to cmmImplementSwitchPlans
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c1e54439be3d38a1f972ac772cca7eec5e1519a9">c1e54439</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2020-09-04T16:25:35-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Introduce isBoxedTupleDataCon and use it to fix #18644
The code that converts promoted tuple data constructors to
`IfaceType`s in `GHC.CoreToIface` was using `isTupleDataCon`, which
conflates boxed and unboxed tuple data constructors. To avoid this,
this patch introduces `isBoxedTupleDataCon`, which is like
`isTupleDataCon` but only works for _boxed_ tuple data constructors.
While I was in town, I was horribly confused by the fact that there
were separate functions named `isUnboxedTupleCon` and
`isUnboxedTupleTyCon` (similarly, `isUnboxedSumCon` and
`isUnboxedSumTyCon`). It turns out that the former only works for
data constructors, despite its very general name! I opted to rename
`isUnboxedTupleCon` to `isUnboxedTupleDataCon` (similarly, I renamed
`isUnboxedSumCon` to `isUnboxedSumDataCon`) to avoid this potential
confusion, as well as to be more consistent with
the naming convention I used for `isBoxedTupleDataCon`.
Fixes #18644.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/07bdcac38c90e79db9e4327f87c5400630dfe74b">07bdcac3</a></strong>
<div>
<span>by GHC GitLab CI</span>
<i>at 2020-09-04T22:26:25-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">configure: Avoid hard-coded ld path on Windows
The fix to #17962 ended up regressing on Windows as it failed to
replicate the logic responsible for overriding the toolchain paths on
Windows. This resulted in a hard-coded path to a directory that likely
doesn't exist on the user's system (#18550).
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0be8e746b820662a09bf9e406bb7e86da3b548e6">0be8e746</a></strong>
<div>
<span>by Benjamin Maurer</span>
<i>at 2020-09-04T22:27:01-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Documented the as of yet undocumented '--print-*' GHC flags,
as well as `-split-objs`, since that is related to
`--print-object-splitting-supported`.
See #18641
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4813486f8756fde7889b214e6e41ae63465f7ad7">4813486f</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-04T22:27:44-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Move Hadrian's wiki pages in tree (fix #16165)
Only the debugging page contains interesting stuff. Some of this stuff
looks old (e.g. recommending "cabal install")...
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7980ae23696f2406c65ee498155b26c09d3d4394">7980ae23</a></strong>
<div>
<span>by GHC GitLab CI</span>
<i>at 2020-09-05T14:50:52-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: Consistently use stgMallocBytes instead of malloc
This can help in debugging RTS memory leaks since all allocations go
through the same interface.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/67059893a232e682aa5eca7a3d13042b1c884d55">67059893</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-05T14:51:27-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">configure: Fix whitespace
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/be2cc0ad2109894d2f576c73e3f037b6b79a6bdc">be2cc0ad</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-05T14:51:27-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: More intelligent detection of locale availability
Previously ci.sh would unconditionally use C.UTF-8. However, this fails
on Centos 7, which appears not to provide this locale. Now we first try
C.UTF-8, then try en_US.UTF-8, then fail.
Works around #18607.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/15dca84793d5ec4ff922726477923e40caa075eb">15dca847</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-05T14:51:27-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Rename RELEASE variable to RELEASE_JOB
This interfered with the autoconf variable of the same name, breaking
pre-release builds.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bec0d1701673a80d9517acabf559738613ba4e9c">bec0d170</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-05T14:51:27-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Bump Windows toolchain version
This should have been done when we bumped the bootstrap compiler to
8.8.4.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9fbaee212ff527c3a91c350c7e54c75c1484d778">9fbaee21</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-05T14:51:27-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Drop Windows make job
These are a significant burden on our CI resources and end up failing
quite often due to #18274. Here I drop the make jobs during
validaion; it is now run only during the nightly builds.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/869f6e193d302c566ff0fbd530e8427440d0d2e3">869f6e19</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-05T14:51:27-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Drop Windows-specific output for parseTree
The normalise_slashes normaliser should handle this.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2c9f743c0d034b1a99b22d48e4ff7a3b6670aaa5">2c9f743c</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-05T14:51:28-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Mark T5975[ab] as broken on Windows
Due to #7305.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/643785e3835de2de6c575e6418db0d4598b72a7d">643785e3</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-05T14:51:28-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Fix typo
A small typo in a rule regular expression.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5dc55e80d8da366401072baaba2f4edd67c7c4e7">5dc55e80</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-07T12:27:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Introduce noDiv
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3848f53105ada8a280852a5152c4d6bdd510936c">3848f531</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-07T12:27:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Simplify: Allow pushing of strict contexts into noDiv
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/83736f5bf5cce98dda54e7198db94560baa9b152">83736f5b</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-07T12:28:47-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Magic: Add keepAlive#
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8717e57060fe861e96fa74d96eba3f78a38d3ef9">8717e570</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-08T11:45:58-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump Win32 submodule to 2.9.0.0
Also bumps Cabal, directory
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<a href="#a5cc2925ca8258af241be7e5b0381edf30266302">
.gitignore
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<a href="#587d266bb27a4dc3022bbed44dfa19849df3044c">
.gitlab-ci.yml
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.gitlab/ci.sh
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aclocal.m4
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compiler/GHC.hs
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compiler/GHC/Builtin/Names.hs
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compiler/GHC/Builtin/PrimOps.hs
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compiler/GHC/Builtin/Types/Literals.hs
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compiler/GHC/Builtin/Utils.hs
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compiler/GHC/Cmm/ProcPoint.hs
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compiler/GHC/Cmm/Sink.hs
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compiler/GHC/Cmm/Switch/Implement.hs
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compiler/GHC/CmmToAsm/CFG/Dominators.hs
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compiler/GHC/CmmToAsm/Ppr.hs
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compiler/GHC/CmmToAsm/Reg/Linear.hs
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compiler/GHC/CmmToAsm/SPARC/Ppr.hs
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compiler/GHC/CmmToC.hs
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compiler/GHC/Core/Coercion/Axiom.hs
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compiler/GHC/Core/DataCon.hs
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