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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/c5413fc62342f05d48e62f92c81a7f8a3259d3d7">c5413fc6</a></strong>
<div>
<span>by Wander Hillen</span>
<i>at 2020-09-07T09:33:54-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add clarification regarding poll/kqueue flags
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10434d60c62fee7212f08bffde624702f81e93cf">10434d60</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-07T09:34:32-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Configure bignum backend in Hadrian builds
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d4bc9f0de7992f60bce403731019829f6248cc2c">d4bc9f0d</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-07T09:34:32-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Use hadrian builds for Windows release artifacts
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4ff93292243888545da452ea4d4c1987f2343591">4ff93292</a></strong>
<div>
<span>by Moritz Angermann</span>
<i>at 2020-09-07T21:18:39-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">[macOS] improved runpath handling
In b592bd98ff25730bbe3c13d6f62a427df8c78e28 we started using
-dead_strip_dylib on macOS when lining dynamic libraries and binaries.
The underlying reason being the Load Command Size Limit in macOS
Sierra (10.14) and later.
GHC will produce @rpath/libHS... dependency entries together with a
corresponding RPATH entry pointing to the location of the libHS...
library. Thus for every library we produce two Load Commands. One to
specify the dependent library, and one with the path where to find it.
This makes relocating libraries and binaries easier, as we just need to
update the RPATH entry with the install_name_tool. The dynamic linker
will then subsitute each @rpath with the RPATH entries it finds in the
libraries load commands or the environement, when looking up @rpath
relative libraries.
-dead_strip_dylibs intructs the linker to drop unused libraries. This in
turn help us reduce the number of referenced libraries, and subsequently
the size of the load commands. This however does not remove the RPATH
entries. Subsequently we can end up (in extreme cases) with only a
single @rpath/libHS... entry, but 100s or more RPATH entries in the Load
Commands.
This patch rectifies this (slighly unorthodox) by passing *no* -rpath
arguments to the linker at link time, but -headerpad 8000. The
headerpad argument is in hexadecimal and the maxium 32k of the load
command size. This tells the linker to pad the load command section
enough for us to inject the RPATHs later. We then proceed to link the
library or binary with -dead_strip_dylibs, and *after* the linking
inspect the library to find the left over (non-dead-stripped)
dependencies (using otool). We find the corresponding RPATHs for each
@rpath relative dependency, and inject them into the library or binary
using the install_name_tool. Thus achieving a deadstripped dylib (and
rpaths) build product.
We can not do this in GHC, without starting to reimplement a dynamic
linker as we do not know which symbols and subsequently libraries are
necessary.
Commissioned-by: Mercury Technologies, Inc. (mercury.com)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/df04b81e12dac85292aa18c07e6afac7a8bd2fd5">df04b81e</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-07T21:19:20-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Move DynFlags test into updateModDetailsIdInfos's caller (#17957)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ea1cbb8f2ac9e077ed19530911c3a35c5f46ee8a">ea1cbb8f</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-08T15:42:02-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: Add stg_copyArray_barrier to RtsSymbols list
It's incredible that this wasn't noticed until now.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d7b2f799469a969ad7a2535be57f105186946c40">d7b2f799</a></strong>
<div>
<span>by Daishi Nakajima</span>
<i>at 2020-09-08T15:42:41-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Output performance test results in tabular format
this was suggested in #18417.
Change the print format of the values.
* Shorten commit hash
* Reduce precision of the "Value" field
* Shorten metrics name
* e.g. runtime/bytes allocated -> run/alloc
* Shorten "MetricsChange"
* e.g. unchanged -> unch, increased -> incr
And, print the baseline environment if there are baselines that were
measured in a different environment than the current environment.
If all "Baseline commit" are the same, print it once.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/44472daf500bf862921e89ad45c9741a07a64f61">44472daf</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2020-09-08T15:43:16-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Make the forall-or-nothing rule only apply to invisible foralls (#18660)
This fixes #18660 by changing `isLHsForAllTy` to
`isLHsInvisForAllTy`, which is sufficient to make the
`forall`-or-nothing rule only apply to invisible `forall`s. I also
updated some related documentation and Notes while I was in the
neighborhood.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0c61cbfff985723240671b54d6f80075e4907e85">0c61cbff</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-08T15:43:54-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Handle distributions without locales
Previously we would assume that the `locale` utility exists. However,
this is not so on Alpine as musl's locale support is essentially
non-existent.
(cherry picked from commit 17cdb7ac3b557a245fee1686e066f9f770ddc21e)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d989c84225090f850591e9f4f82adffbf8c96cac">d989c842</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-08T15:43:55-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Accept Centos 7 C.utf8 locale
Centos apparently has C.utf8 rather than C.UTF-8.
(cherry picked from commit d9f85dd25a26a04d3485470afb3395ee2dec6464)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e5a2899ce8e06b8645946fbb67041807cd3a4fe5">e5a2899c</a></strong>
<div>
<span>by John Ericson</span>
<i>at 2020-09-09T00:46:05-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use "to" instead of "2" in internal names of conversion ops
Change the constructors for the primop union, and also names of the
literal conversion functions.
"2" runs into trouble when we need to do conversions from fixed-width
types, and end up with thing like "Int642Word".
Only the names internal to GHC are changed, as I don't want to worry
about breaking changes ATM.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/822f10575d207a2a47b21ac853dcf28c655041c4">822f1057</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2020-09-09T00:46:41-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Postpone associated tyfam default checks until after typechecking
Previously, associated type family defaults were validity-checked
during typechecking. Unfortunately, the error messages that these
checks produce run the risk of printing knot-tied type constructors,
which will cause GHC to diverge. In order to preserve the current
error message's descriptiveness, this patch postpones these validity
checks until after typechecking, which are now located in the new
function `GHC.Tc.Validity.checkValidAssocTyFamDeflt`.
Fixes #18648.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8c892689058912c35ed36e07b5a9ed0df86abc03">8c892689</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-09T11:19:24-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">DynFlags: add OptCoercionOpts
Use OptCoercionOpts to avoid threading DynFlags all the way down to
GHC.Core.Coercion.Opt
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3f32a9c0f4ddceab14a381bfd3732bcad6be43f7">3f32a9c0</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-09T11:19:24-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">DynFlags: add UnfoldingOpts and SimpleOpts
Milestone: after this patch, we only use 'unsafeGlobalDynFlags' for the
state hack and for debug in Outputable.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b3df72a699727b00d5dd8212fcbe46cbbec05f9b">b3df72a6</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-09T11:19:24-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">DynFlags: add sm_pre_inline field into SimplMode (#17957)
It avoids passing and querying DynFlags down in the simplifier.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ffae57921168365272bf7ce8aaa645917bfdf218">ffae5792</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-09-09T11:19:24-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add comments about sm_dflags and simpleOptExpr
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7911d0d983a68eb0d54d7c1ba51326d6be737aae">7911d0d9</a></strong>
<div>
<span>by Alan Zimmerman</span>
<i>at 2020-09-09T11:20:03-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove GENERATED pragma, as it is not being used
@alanz pointed out on ghc-devs that the payload of this pragma does
not appear to be used anywhere.
I (@bgamari) did some digging and traced the pragma's addition back to
d386e0d2 (way back in 2006!).
It appears that it was intended to be used by code generators for use
in informing the code coveraging checker about generated code
provenance. When it was added it used the pragma's "payload" fields as
source location information to build an "ExternalBox". However, it
looks like this was dropped a year later in 55a5d8d9. At this point
it seems like the pragma serves no useful purpose.
Given that it also is not documented, I think we should remove it.
Updates haddock submodule
Closes #18639
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9c6c1ebc9ab2f18d711a8793c7f0ec36e989d687">9c6c1ebc</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-09T18:18:33-04:00</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>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/47b0187db16ebb4f4dc1290ab47c786400aef2e5">47b0187d</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-09T18:18:33-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump version to 9.0
(cherry picked from commit f218cfc92f7b1a1e01190851972bb9a0e0f3c682)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8ae323deae5b08bbce156cbbd106596affe05d65">8ae323de</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-09-09T18:18:33-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/win32: Fix missing #include's
These slipped through CI.
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<a href="#587d266bb27a4dc3022bbed44dfa19849df3044c">
.gitlab-ci.yml
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<a href="#157f7634c25bc6366cb7c9c9edb48e819dce38db">
.gitlab/ci.sh
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<a href="#9ab3868b23ed5d5a6e12ef902049902556fa4009">
aclocal.m4
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<a href="#d0d96a6d03668aeab20ebe05e2c4ccb798c7e64c">
compiler/GHC.hs
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<a href="#451725cc4e5d443a3b7c2adcdf224840f953b7e2">
compiler/GHC/Builtin/primops.txt.pp
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compiler/GHC/Core/Class.hs
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compiler/GHC/Core/Coercion/Opt.hs
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compiler/GHC/Core/Opt/WorkWrap.hs
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compiler/GHC/Core/SimpleOpt.hs
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compiler/GHC/Driver/Finder.hs
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compiler/GHC/Driver/Pipeline.hs
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