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<div class="content">
<h3 style="margin-top: 20px; margin-bottom: 10px;">
Richard Eisenberg pushed to branch wip/t22519 at <a href="https://gitlab.haskell.org/ghc/ghc" style="color: #1068bf;">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4 style="margin-top: 10px; margin-bottom: 10px;">
Commits:
</h4>
<ul>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cd31acad391582dd16b00a823271b364ab063ca9" style="color: #1068bf;">cd31acad</a></strong>
<div>
<span> by sheaf </span> <i> at 2022-12-06T15:45:58-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Hadrian: fix ghcDebugAssertions off-by-one error
Commit 6b2f7ffe changed the logic that decided whether to enable debug
assertions. However, it had an off-by-one error, as the stage parameter
to the function inconsistently referred to the stage of the compiler
being used to build or the stage of the compiler we are building.
This patch makes it consistent. Now the parameter always refers to the
the compiler which is being built.
In particular, this patch re-enables
assertions in the stage 2 compiler when building with devel2 flavour,
and disables assertions in the stage 2 compiler when building with
validate flavour.
Some extra performance tests are now run in the "validate" jobs because
the stage2 compiler no longer contains assertions.
-------------------------
Metric Decrease:
CoOpt_Singletons
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModulesTH_OneShot
T11374
T12227
T12234
T13253-spj
T13701
T14683
T14697
T15703
T17096
T17516
T18304
T18478
T18923
T5030
T9872b
TcPlugin_RewritePerf
Metric Increase:
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModules
MultiLayerModulesRecomp
MultiLayerModulesTH_Make
T13386
T13719
T3294
T9233
T9675
parsing001
-------------------------
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/21d66db13291b09ca9a7c3d1a6ca64bdc7fd1a7a" style="color: #1068bf;">21d66db1</a></strong>
<div>
<span> by mrkun </span> <i> at 2022-12-06T15:46:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Push DynFlags out of runInstallNameTool
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aaaaa79b9b381bb6697a90ff460d2d520152505e" style="color: #1068bf;">aaaaa79b</a></strong>
<div>
<span> by mrkun </span> <i> at 2022-12-06T15:46:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Push DynFlags out of askOtool
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4e28f49e0a23f54a7b9b18a9010f19b0b15223db" style="color: #1068bf;">4e28f49e</a></strong>
<div>
<span> by mrkun </span> <i> at 2022-12-06T15:46:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Push DynFlags out of runInjectRPaths
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a74225803dc4ec14e3aef96cfe5e17bdc5f0d2a7" style="color: #1068bf;">a7422580</a></strong>
<div>
<span> by mrkun </span> <i> at 2022-12-06T15:46:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Push DynFlags out of Linker.MacOS
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e902d771197fd93488938b5eacb1ad6f23d408b7" style="color: #1068bf;">e902d771</a></strong>
<div>
<span> by Matthew Craven </span> <i> at 2022-12-08T08:30:23-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix bounds-checking buglet in Data.Array.Byte
...another manifestation of #20851 which
I unfortunately missed in my first pass.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8d36c0c65ada5c0eb7b82de6b69d3dd67a7c9f9c" style="color: #1068bf;">8d36c0c6</a></strong>
<div>
<span> by Gergő Érdi </span> <i> at 2022-12-08T08:31:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Remove copy-pasted definitions of `graphFromEdgedVertices*`
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c5d8ed3ae14396733e240f6a146a0793f288b296" style="color: #1068bf;">c5d8ed3a</a></strong>
<div>
<span> by Gergő Érdi </span> <i> at 2022-12-08T08:31:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add version of `reachableGraph` that avoids loop for cyclic inputs
by building its result connected component by component
Fixes #22512
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/90cd53960f4e712197efc320b3aa104e95345a23" style="color: #1068bf;">90cd5396</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-12-08T08:31:39-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Mark Type.Reflection.Unsafe as Unsafe
This module can be used to construct ill-formed TypeReps, so it should
be Unsafe.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2057c77d08cb8422857d182a3691f98dccd0c7d6" style="color: #1068bf;">2057c77d</a></strong>
<div>
<span> by Ian-Woo Kim </span> <i> at 2022-12-08T08:32:19-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Truncate eventlog event for large payload (#20221)
RTS eventlog events for postCapsetVecEvent are truncated if payload
is larger than EVENT_PAYLOAD_SIZE_MAX
Previously, postCapsetVecEvent records eventlog event with payload
of variable size larger than EVENT_PAYLOAD_SIZE_MAX (2^16) without
any validation, resulting in corrupted data.
For example, this happens when a Haskell binary is invoked with very
long command line arguments exceeding 2^16 bytes (see #20221).
Now we check the size of accumulated payload messages incrementally,
and truncate the message just before the payload size exceeds
EVENT_PAYLOAD_SIZE_MAX. RTS will warn the user with a message showing
how many arguments are truncated.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9ec76f61c880539114314fc3e4f96a4694f38ebe" style="color: #1068bf;">9ec76f61</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-08T08:32:59-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: don't add debug info to non-debug ways of rts
Hadrian used to pass -g when building all ways of rts. It makes output
binaries larger (especially so for wasm backend), and isn't needed by
most users out there, so this patch removes that flag. In case the
debug info is desired, we still pass -g3 when building the debug way,
and there's also the debug_info flavour transformer which ensures -g3
is passed for all rts ways.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7658cdd47198512b699492688f51fc8682d194cd" style="color: #1068bf;">7658cdd4</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-12-08T08:33:36-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Restore show (typeRep @[]) == "[]"
The Show instance for TypeRep [] has changed in 9.5 to output "List"
because the name of the type constructor changed.
This seems to be accidental and is inconsistent with TypeReps of saturated
lists, which are printed as e.g. "[Int]".
For now, I'm restoring the old behavior; in the future,
maybe we should show TypeReps without puns (List, Tuple, Type).
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/216deefd377cf495f07f05a9b355e8d842ccb5b6" style="color: #1068bf;">216deefd</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add test for #22162
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d0a311f28b96e8be2e051ae8cb08cc654d0b63e" style="color: #1068bf;">5d0a311f</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Add job to test interface file determinism guarantees
In this job we can run on every commit we add a test which builds the
Cabal library twice and checks that the ABI hash and interface hash is
stable across the two builds.
* We run the test 20 times to try to weed out any race conditions due to
`-j`
* We run the builds in different temporary directories to try to weed
out anything related to build directory affecting ABI or interface
file hash.
Fixes #22180
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0a76d7d415cfa8facfa6d36101210f9e2e3ff0a6" style="color: #1068bf;">0a76d7d4</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Add job for testing interface stability across builds
The idea is that both the bindists should product libraries with the
same ABI and interface hash.
So the job checks with ghc-pkg to make sure the computed ABI
is the same.
In future this job can be extended to check for the other facets of
interface determinism.
Fixes #22180
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/74c9bf914b31bfdd4353b7ff31efd2d3725bd2bb" style="color: #1068bf;">74c9bf91</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>backpack: Be more careful when adding together ImportAvails
There was some code in the signature merging logic which added together
the ImportAvails of the signature and the signature which was merged
into it. This had the side-effect of making the merged signature depend
on the signature (via a normal module dependency). The intention was to
propagate orphan instances through the merge but this also messed up
recompilation logic because we shouldn't be attempting to load B.hi when
mergeing it.
The fix is to just combine the part of ImportAvails that we intended to
(transitive info, orphan instances and type family instances) rather
than the whole thing.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d122e02247a371b14c3e906556900c0d600f424d" style="color: #1068bf;">d122e022</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix mk_mod_usage_info if the interface file is not already loaded
In #22217 it was observed that the order modules are compiled in affects
the contents of an interface file. This was because a module dependended
on another module indirectly, via a re-export but the interface file for
this module was never loaded because the symbol was never used in the
file.
If we decide that we depend on a module then we jolly well ought to
record this fact in the interface file! Otherwise it could lead to very
subtle recompilation bugs if the dependency is not tracked and the
module is updated.
Therefore the best thing to do is just to make sure the file is loaded
by calling the `loadSysInterface` function. This first checks the
caches (like we did before) but then actually goes to find the interface
on disk if it wasn't loaded.
Fixes #22217
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ea25088d4edd9f96e48f0a7f9407fd8eb9c2ae9c" style="color: #1068bf;">ea25088d</a></strong>
<div>
<span> by lrzlin </span> <i> at 2022-12-08T22:46:06-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add initial support for LoongArch Architecture.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9eb9d2f4578afb09ac6c54ae4269b92aceaa5372" style="color: #1068bf;">9eb9d2f4</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-08T22:46:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Update submodule mtl to 2.3.1, parsec to 3.1.15.1, haddock and Cabal to HEAD
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/08d8fe2a6878fc27a49d4c3fea97dd34b9c06350" style="color: #1068bf;">08d8fe2a</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-08T22:46:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Allow mtl-2.3 in hadrian
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3807a46c6ee6b3ae52b888c4add6416f0d381e87" style="color: #1068bf;">3807a46c</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-08T22:46:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Support mtl-2.3 in check-exact
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ef702a18dbe44d486d7a41c554564ca3e0f236ee" style="color: #1068bf;">ef702a18</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-08T22:46:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix tests
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3144e8ff1bac77f850a6188f6eef20de09915053" style="color: #1068bf;">3144e8ff</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-12-08T22:47:22-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Make (^) INLINE (#22324)
So that we get to cancel away the allocation for the lazily used base.
We can move `powImpl` (which *is* strict in the base) to the top-level
so that we don't duplicate too much code and move the SPECIALISATION
pragmas onto `powImpl`.
The net effect of this change is that `(^)` plays along much better with
inlining thresholds and loopification (#22227), for example in `x2n1`.
Fixes #22324.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1d3a8b8ec98e6eedf8943e19780ec374c2491e7f" style="color: #1068bf;">1d3a8b8e</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:47:59-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Typeable: Fix module locations of some definitions in GHC.Types
There was some confusion in Data.Typeable about which module certain
wired-in things were defined in. Just because something is wired-in
doesn't mean it comes from GHC.Prim, in particular things like LiftedRep
and RuntimeRep are defined in GHC.Types and that's the end of the story.
Things like Int#, Float# etc are defined in GHC.Prim as they have no
Haskell definition site at all so we need to generate type
representations for them (which live in GHC.Types).
Fixes #22510
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0f7588b5df1fc7a58d8202761bf1501447e48914" style="color: #1068bf;">0f7588b5</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-12-08T22:48:34-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Make `drop` and `dropWhile` fuse (#18964)
I copied the fusion framework we have in place for `take`.
T18964 asserts that we regress neither when fusion fires nor when it doesn't.
Fixes #18964.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/26e71562072f6740d52fcd38298340c287a641b8" style="color: #1068bf;">26e71562</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-12-08T22:49:10-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Do not strictify a DFun's parameter dictionaries (#22549)
... thus fixing #22549.
The details are in the refurbished and no longer dead
`Note [Do not strictify a DFun's parameter dictionaries]`.
There's a regression test in T22549.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3609340743c1b25fdfd0e18b1670dac54c8d8623" style="color: #1068bf;">36093407</a></strong>
<div>
<span> by John Ericson </span> <i> at 2022-12-08T22:49:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Delete `rts/package.conf.in`
It is a relic of the Make build system. The RTS now uses a
`package.conf` file generated the usual way by Cabal.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b0cc2fcfc485da772c5ffef1b625af9e7ae73129" style="color: #1068bf;">b0cc2fcf</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-12-08T22:50:21-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fixes around primitive literals
* The SourceText of primitive characters 'a'# did not include
the #, unlike for other primitive literals 1#, 1##, 1.0#, 1.0##, "a"#.
We can now remove the function pp_st_suffix, which was a hack
to add the # back.
* Negative primitive literals shouldn't use parentheses, as described in
Note [Printing of literals in Core]. Added a testcase to T14681.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aacf616df0b4059e6b177ecb64624ae6fb1d1c87" style="color: #1068bf;">aacf616d</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2022-12-08T22:50:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>testsuite: Mark conc024 fragile on Windows
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ed239a24c71671c15ea59dae8073e4516558e47b" style="color: #1068bf;">ed239a24</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2022-12-09T09:42:16-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Document TH splices' interaction with INCOHERENT instances
Top-level declaration splices can having surprising interactions with
`INCOHERENT` instances, as observed in #22492. This patch
resolves #22492 by documenting this strange interaction in the GHC User's
Guide.
[ci skip]
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1023b432d0befd9675dcfcfb44c548b06b2fae8c" style="color: #1068bf;">1023b432</a></strong>
<div>
<span> by Mike Pilgrem </span> <i> at 2022-12-09T09:42:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix #22300 Document GHC's extensions to valid whitespace
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/79b0cec060594edac144d1b4d6c2c809a8d75fab" style="color: #1068bf;">79b0cec0</a></strong>
<div>
<span> by Luite Stegeman </span> <i> at 2022-12-09T09:43:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add support for environments that don't have setImmediate
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5b007ec52ba77051fedd2b9a6fb155b248081511" style="color: #1068bf;">5b007ec5</a></strong>
<div>
<span> by Luite Stegeman </span> <i> at 2022-12-09T09:43:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix bound thread status
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/65335d10c72a01cb52dbebd2a026c8c4dae2f88f" style="color: #1068bf;">65335d10</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Update containers submodule
This contains a fix necessary for the multi-repl to work on GHC's code
base where we try to load containers and template-haskell into the same
session.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4937c0bb32e208bd6588d3de6d168b112711a342" style="color: #1068bf;">4937c0bb</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian-multi: Put interface files in separate directories
Before we were putting all the interface files in the same directory
which was leading to collisions if the files were called the same thing.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8acb5b7be6244d1f0a91ebba4405bae935d8560c" style="color: #1068bf;">8acb5b7b</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian-toolargs: Add filepath to allowed repl targets
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5949d927a47d14b694a61f68608b68553b5e0c5c" style="color: #1068bf;">5949d927</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>driver: Set correct UnitId when rehydrating modules
We were not setting the UnitId before rehydrating modules which just led
to us attempting to find things in the wrong HPT. The test for this is
the hadrian-multi command (which is now added as a CI job).
Fixes #22222
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ab06c0f0ccaeb3277195e4eeac541c00558d4cc2" style="color: #1068bf;">ab06c0f0</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Add job to test hadrian-multi command
I am not sure this job is good because it requires booting HEAD with
HEAD, but it should be fine.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fac3e568e110226f68f4f9a9ad483fb5c0a7c98b" style="color: #1068bf;">fac3e568</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:16:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Update bootstrap plans to 9.2.* series and 9.4.* series.
This updates the build plans for the most recent compiler versions, as
well as fixing the hadrian-bootstrap-gen script to a specific GHC
version.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/195b08b4e933706ba4a29ab0a8357556d56f792c" style="color: #1068bf;">195b08b4</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:16:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Bump boot images to use ghc-9.4.3
Also updates the bootstrap jobs to test booting 9.2 and 9.4.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c658c580863fc23c29f183db3f52a2004756d84c" style="color: #1068bf;">c658c580</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:16:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hlint: Removed redundant UnboxedSums pragmas
UnboxedSums is quite confusingly implied by UnboxedTuples, alas, just
the way it is.
See #22485
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b3e98a926ac05b8e59e3b31b74b019d4ecb462f6" style="color: #1068bf;">b3e98a92</a></strong>
<div>
<span> by Oleg Grenrus </span> <i> at 2022-12-11T12:26:17-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add heqT, a kind-heterogeneous variant of heq
CLC proposal https://github.com/haskell/core-libraries-committee/issues/99
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bfd7c1e653c207dd5dea599f16ee4afad03f2ea5" style="color: #1068bf;">bfd7c1e6</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-11T12:26:55-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Document that Bifunctor instances for tuples are lawful only up to laziness
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d1a18812f7f91a947e5d14c0ebf1ae2a0627c55" style="color: #1068bf;">5d1a1881</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2022-12-12T16:22:36-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Mark T21336a fragile
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c30accc2f8a0585c76cb534beda04fba624bce1c" style="color: #1068bf;">c30accc2</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-12T16:23:11-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add test for #21476
This issues seems to have been fixed since the ticket was made, so let's
add a test and move on.
Fixes #21476
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e9d74a3e47a4709502d7c1923b8611c22183b777" style="color: #1068bf;">e9d74a3e</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-12-13T22:18:39-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Respect -XStrict in the pattern-match checker (#21761)
We were missing a call to `decideBangHood` in the pattern-match checker.
There is another call in `matchWrapper.mk_eqn_info` which seems redundant
but really is not; see `Note [Desugaring -XStrict matches in Pmc]`.
Fixes #21761.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/884790e2f3480dfcd73b1c094123555956eac6e0" style="color: #1068bf;">884790e2</a></strong>
<div>
<span> by Gergő Érdi </span> <i> at 2022-12-13T22:19:14-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix loop in the interface representation of some `Unfolding` fields
As discovered in #22272, dehydration of the unfolding info of a
recursive definition used to involve a traversal of the definition
itself, which in turn involves traversing the unfolding info. Hence,
a loop.
Instead, we now store enough data in the interface that we can produce
the unfolding info without this traversal. See Note [Tying the 'CoreUnfolding' knot]
for details.
Fixes #22272
Co-authored-by: Simon Peyton Jones <simon.peytonjones@gmail.com>
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9f3011896aa3dc8cc14bd61ccb68ab09e17c330e" style="color: #1068bf;">9f301189</a></strong>
<div>
<span> by Alan Zimmerman </span> <i> at 2022-12-13T22:19:50-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>EPA: When splitting out header comments, keep ones for first decl
Any comments immediately preceding the first declaration are no longer
kept as header comments, but attach to the first declaration instead.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8b1f1b4503b810c40d37af797f1c7c566250c3d0" style="color: #1068bf;">8b1f1b45</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2022-12-13T22:20:28-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>JS: fix object file name comparison (#22578)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e9e161bb8f416a0cfd1ba7918f9ffafb19cd8372" style="color: #1068bf;">e9e161bb</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2022-12-13T22:21:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>configure: Bump min bootstrap GHC version to 9.2
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/75855643ee22508ca478f63e8cbc61338029ab66" style="color: #1068bf;">75855643</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Don't enable TSAN in stage0 build
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/da7b51d8598400ed8073afe1b311c73a04e2230d" style="color: #1068bf;">da7b51d8</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>cmm: Introduce blockConcat
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/34f6b09c8e985017c4b18896aeac0c20baf4433d" style="color: #1068bf;">34f6b09c</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>cmm: Introduce MemoryOrderings
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/43beaa7baf02d75946c37974fbe46d2857920a53" style="color: #1068bf;">43beaa7b</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>llvm: Respect memory specified orderings
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8faf74fcbd9d9da81ce8a901d694711c5d7ad406" style="color: #1068bf;">8faf74fc</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Codegen/x86: Eliminate barrier for relaxed accesses
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6cc3944a06cc5be302bb023a43c0537838b50861" style="color: #1068bf;">6cc3944a</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>cmm/Parser: Reduce some repetition
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6c9862c4fee395345dbbcd8ad58ae3f08753219e" style="color: #1068bf;">6c9862c4</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>cmm/Parser: Add syntax for ordered loads and stores
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/748490d2ff51d6c6fa44aad587908b271c801fa9" style="color: #1068bf;">748490d2</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>cmm/Parser: Atomic load syntax
Originally I had thought I would just use the `prim` call syntax instead
of introducing new syntax for atomic loads. However, it turns out that
`prim` call syntax tends to make things quite unreadable. This new
syntax seems quite natural.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/28c6781a3215a36d61126818c3e64c99c2344350" style="color: #1068bf;">28c6781a</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>codeGen: Introduce ThreadSanitizer instrumentation
This introduces a new Cmm pass which instruments the program with
ThreadSanitizer annotations, allowing full tracking of mutator memory
accesses via TSAN.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d97aa311f61f3e5a61a4d204550792f458bf236d" style="color: #1068bf;">d97aa311</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Hadrian: Drop TSAN_ENABLED define from flavour
This is redundant since the TSANUtils.h already defines it.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/86974ef13d983783b930f23977944b96d4512dbe" style="color: #1068bf;">86974ef1</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Enable Cmm instrumentation in TSAN flavour
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9372329008143104b0ae5e8e792e957090dfa743" style="color: #1068bf;">93723290</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:54:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Ensure that global regs are never passed as fun call args
This is in general unsafe as they may be clobbered if they are mapped to
caller-saved machine registers. See Note [Register parameter passing].
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2eb0fb87b921efc8f107eb39a3d34dae08082a3c" style="color: #1068bf;">2eb0fb87</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-15T03:54:39-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Package Imports: Get candidate packages also from re-exported modules
Previously we were just looking at the direct imports to try and work
out what a package qualifier could apply to but #22333 pointed out we
also needed to look for reexported modules.
Fixes #22333
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/552b7908d8703e9478cee418721b311e033391dc" style="color: #1068bf;">552b7908</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-15T03:55:15-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: Ensure that MutVar operations have necessary barriers
Here we add acquire and release barriers in readMutVar# and
writeMutVar#, which are necessary for soundness.
Fixes #22468.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/933d61a44a9409bf0d4bff0cceca1f02f48da4dd" style="color: #1068bf;">933d61a4</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-12-15T03:55:51-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix bogus test in Lint
The Lint check for branch compatiblity within an axiom, in
GHC.Core.Lint.compatible_branches was subtly different to the
check made when contructing an axiom, in
GHC.Core.FamInstEnv.compatibleBranches.
The latter is correct, so I killed the former and am now using the
latter.
On the way I did some improvements to pretty-printing and documentation.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/03ed0b95147ef6da99ac60302fea282d4df5f072" style="color: #1068bf;">03ed0b95</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2022-12-15T03:56:26-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>checkValidInst: Don't expand synonyms when splitting sigma types
Previously, the `checkValidInst` function (used when checking that an instance
declaration is headed by an actual type class, not a type synonym) was using
`tcSplitSigmaTy` to split apart the `forall`s and instance context. This is
incorrect, however, as `tcSplitSigmaTy` expands type synonyms, which can cause
instances headed by quantified constraint type synonyms to be accepted
erroneously.
This patch introduces `splitInstTyForValidity`, a variant of `tcSplitSigmaTy`
specialized for validity checking that does _not_ expand type synonyms, and
uses it in `checkValidInst`.
Fixes #22570.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ed056bc366289493566671ff4922f131acf54864" style="color: #1068bf;">ed056bc3</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts/Messages: Refactor
This doesn't change behavior but makes the code a bit easier to follow.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7356f8e043018678490a0721ff27e0d834e0fa7f" style="color: #1068bf;">7356f8e0</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts/ThreadPaused: Ordering fixes
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/914f002513752227149ce63e81f121bfee862cac" style="color: #1068bf;">914f0025</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>eventlog: Silence spurious data race
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fbc842441fbd6ca2065b4e28af98197765350a73" style="color: #1068bf;">fbc84244</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Introduce SET_INFO_RELEASE for Cmm
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/821b5472918f1f1686c44b300eac6f6718369379" style="color: #1068bf;">821b5472</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Use fences instead of explicit barriers
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2228c999059f6bd10fb85476174180da2a7190da" style="color: #1068bf;">2228c999</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts/stm: Fix memory ordering in readTVarIO#
See #22421.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/99269b9fd817262a686867383bf0fe88fdc64fb0" style="color: #1068bf;">99269b9f</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Improve heap memory barrier Note
Also introduce MUT_FIELD marker in Closures.h to document mutable
fields.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/70999283156f527c5aea6dee57a3d14989a9903a" style="color: #1068bf;">70999283</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Introduce getNumCapabilities
And ensure accesses to n_capabilities are atomic (although with relaxed
ordering). This is necessary as RTS API callers may concurrently call
into the RTS without holding a capability.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/98689f778fe7272daa5558a32cb39299d9a7690b" style="color: #1068bf;">98689f77</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:44-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ghc: Fix data race in dump file handling
Previously the dump filename cache would use a non-atomic update which
could potentially result in lost dump contents. Note that this is still
a bit racy since the first writer may lag behind a later appending
writer.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/605d954722a314c0da59ea07efc26d8a7cb59296" style="color: #1068bf;">605d9547</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Always use atomics for context_switch and interrupt
Since these are modified by the timer handler.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/86f20258ab7dbfb56e323ee811e9eaef80b077d3" style="color: #1068bf;">86f20258</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts/Timer: Always use atomic operations
As noted in #22447, the existence of the pthread-based ITimer
implementation means that we cannot assume that the program is
single-threaded.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f8e901dcc090ef81723fb9f3d8ea0a1baac4cbc3" style="color: #1068bf;">f8e901dc</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Encapsulate recent_activity access
This makes it easier to ensure that it is accessed using the necessary
atomic operations.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e0affaa9fc3e6dc0e65808afa383426b7fe9420a" style="color: #1068bf;">e0affaa9</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Encapsulate access to capabilities array
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7ca683e44f9f7a9a7984bbed4f49712838638fc8" style="color: #1068bf;">7ca683e4</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Encapsulate sched_state
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1cf13bd0c7cbfc97fe0ec86e6860992dc6e849a5" style="color: #1068bf;">1cf13bd0</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>PrimOps: Fix benign MutVar race
Relaxed ordering is fine here since the later CAS implies a release.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3d2a7e08aee0c00f0c0b7d6fefcb827ef9a86595" style="color: #1068bf;">3d2a7e08</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Style fix
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/82c62074cdf5077efcc31128695eca4e4b9da75b" style="color: #1068bf;">82c62074</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: Use release store in eager blackholing
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/eb1a013648f6c4ff7704a99a7c654f7dec787b63" style="color: #1068bf;">eb1a0136</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Fix ordering of makeStableName
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ad0e260af691ad47d73b22e698f6a4c08a6e9434" style="color: #1068bf;">ad0e260a</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Use ordered accesses instead of explicit barriers
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a3eccf06292dd666b24606251a52da2b466a9612" style="color: #1068bf;">a3eccf06</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Statically allocate capabilities
This is a rather simplistic way of solving #17289.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/287fa3fbcc1db460490d45662c3c62fdee7bd6d6" style="color: #1068bf;">287fa3fb</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Ensure that all accesses to pending_sync are atomic
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/351eae582192f6a573ba50f12782179ab7f5428b" style="color: #1068bf;">351eae58</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-16T16:12:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Note race with wakeBlockingQueue
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5acf33dd57b8246496cc6e24fed485ac75b3c856" style="color: #1068bf;">5acf33dd</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-16T16:13:22-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump submodule directory to 1.3.8.0 and hpc to HEAD
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0dd95421c99749fa1db89583acf12d5617de4bfc" style="color: #1068bf;">0dd95421</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-16T16:13:22-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Accept allocations increase on Windows
This is because of `filepath-1.4.100.0` and AFPP, causing increasing round-trips
between lists and ByteArray. See #22625 for discussion.
Metric Increase:
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModules
MultiLayerModulesRecomp
T10421
T10547
T12150
T12227
T12234
T12425
T13035
T13253
T13253-spj
T13701
T13719
T15703
T16875
T18140
T18282
T18304
T18698a
T18698b
T18923
T20049
T21839c
T21839r
T5837
T6048
T9198
T9961
TcPlugin_RewritePerf
hard_hole_fits
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ef9ac9d2bcf8286024b6a007d5d46e49a314e9af" style="color: #1068bf;">ef9ac9d2</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-16T16:13:59-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>testsuite: Mark T9405 as fragile instead of broken on Windows
It's starting to pass again, and the unexpected pass blocks CI.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1f3abd855849074471619860d6c3cc58ccfadf94" style="color: #1068bf;">1f3abd85</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-16T21:16:28+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: remove obsolete commented code in wasm NCG
It was just a temporary hack to workaround a bug in the relooper, that
bug has been fixed long before the wasm backend is merged.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e3104eab043d743ae01066d79f0306e64e82d776" style="color: #1068bf;">e3104eab</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-16T21:16:28+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: add missing export list of GHC.CmmToAsm.Wasm.FromCmm
Also removes some unreachable code here.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1c6930bf59223b6a70ca6045e2bbd4a4fb297b76" style="color: #1068bf;">1c6930bf</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-16T21:16:28+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: change fallback function signature to Cmm function signature in wasm NCG
In the wasm NCG, when handling a `CLabel` of undefined function
without knowing its function signature, we used to fallback to `() ->
()` which is accepted by `wasm-ld`. This patch changes it to the
signature of Cmm functions, which equally works, but would be required
when we emit tail call instructions.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8a81d9d933089b6ed72478342a0070d7c8f82ff8" style="color: #1068bf;">8a81d9d9</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-16T21:16:28+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: add optional tail-call support in wasm NCG
When the `-mtail-call` clang flag is passed at configure time, wasm
tail-call extension is enabled, and the wasm NCG will emit
`return_call`/`return_call_indirect` instructions to take advantage of
it and avoid the `StgRun` trampoline overhead.
Closes #22461.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d1431cc06597b38d876a518e7769f04dcd2c0f32" style="color: #1068bf;">d1431cc0</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-17T08:07:15-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>base: add missing autoconf checks for waitpid/umask
These are not present in wasi-libc. Required for fixing #22589
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/da3f1e91a353f7fe37b3a25144f99c84d4a8dd70" style="color: #1068bf;">da3f1e91</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-17T08:07:51-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: make .wasm the default executable extension on wasm32
Following convention as in other wasm toolchains. Fixes #22594.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ad21f4efe6882ca0929db6bd331db174a36e41aa" style="color: #1068bf;">ad21f4ef</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-17T08:07:51-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: support hello.wasm in ci.sh cross testing logic
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6fe2d778e9ad015f35c520724d7f222a015586ed" style="color: #1068bf;">6fe2d778</a></strong>
<div>
<span> by amesgen </span> <i> at 2022-12-18T19:33:49-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Correct `exitWith` Haddocks
The `IOError`-specific `catch` in the Prelude is long gone.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b3eacd64fb36724ed6c5d2d24a81211a161abef1" style="color: #1068bf;">b3eacd64</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-18T19:34:24-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Drop racy assertion
0e274c39bf836d5bb846f5fa08649c75f85326ac added an assertion in
`dirty_MUT_VAR` checking that the MUT_VAR being dirtied was clean.
However, this isn't necessarily the case since another thread may have
raced us to dirty the object.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/761c1f49f55afc9a9f290fafb48885c2033069ed" style="color: #1068bf;">761c1f49</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-18T19:35:00-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts/libdw: Silence uninitialized usage warnings
As noted in #22538, previously some GCC versions warned that various
locals in Libdw.c may be used uninitialized. Although this wasn't
strictly true (since they were initialized in an inline assembler block)
we fix this by providing explicit empty initializers.
Fixes #22538</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5e047effac9228f3bdddb66c9056e86621ccbec8" style="color: #1068bf;">5e047eff</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-20T15:12:04+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>testsuite: Mark T16392 as fragile on windows
See #22649
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/703a466511307c5737d371898f9771991a0a31cc" style="color: #1068bf;">703a4665</a></strong>
<div>
<span> by M Farkas-Dyck </span> <i> at 2022-12-20T21:14:46-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Scrub some partiality in `GHC.Cmm.Info.Build`: `doSRTs` takes a `[(CAFSet, CmmDecl)]` but truly wants a `[(CAFSet, CmmStatics)]`.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9736ab7497ab91fe9d3bda57ca6d1230d7968fe2" style="color: #1068bf;">9736ab74</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-20T21:15:22-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>packaging: Fix upload_ghc_libs.py script
This change reflects the changes where .cabal files are now generated by
hadrian rather than ./configure.
Fixes #22518
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7c6de18dd3151ead954c210336728e8686c91de6" style="color: #1068bf;">7c6de18d</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-20T21:15:57-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>configure: Drop uses of AC_PROG_CC_C99
As noted in #22566, this macro is deprecated as of autoconf-2.70
`AC_PROG_CC` now sets `ac_cv_prog_cc_c99` itself.
Closes #22566.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/36c5d98e54c5ab9ede8c06f4501ed1ac83069f90" style="color: #1068bf;">36c5d98e</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-20T21:15:57-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>configure: Use AS_HELP_STRING instead of AC_HELP_STRING
The latter has been deprecated.
See #22566.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/befe6ff8660c6dc535b414cf372cb76f5681457f" style="color: #1068bf;">befe6ff8</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-20T21:16:37-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>GHCi.UI: fix various usages of head and tail
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/666d0ba72b946721a900ff3e803d4b73879c8fbf" style="color: #1068bf;">666d0ba7</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-20T21:16:37-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>GHCi.UI: avoid head and tail in parseCallEscape and around
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d96fd5060958238d5b5c98f14a8b9221c87df93" style="color: #1068bf;">5d96fd50</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-20T21:16:37-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Make GHC.Driver.Main.hscTcRnLookupRdrName to return NonEmpty
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3ce2ab943092e34eb3be6dc565ff16f23cc47a6f" style="color: #1068bf;">3ce2ab94</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-21T06:17:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Allow transformers-0.6 in ghc, ghci, ghc-bin and hadrian
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/954de93a7bcde2024e08f107c731e7f3ea8dae01" style="color: #1068bf;">954de93a</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-21T06:17:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Update submodule haskeline to HEAD (to allow transformers-0.6)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cefbeec3d51295b7ad242b23aeaf9bacf00da530" style="color: #1068bf;">cefbeec3</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-21T06:17:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Update submodule transformers to 0.6.0.4
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b4730b629fb5502685fa63e4afd3724339a447b2" style="color: #1068bf;">b4730b62</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-21T06:17:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix tests
T13253 imports MonadTrans, which acquired a quantified constraint in transformers-0.6, thus increase in allocations
Metric Increase:
T13253
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0be75261cf0bd4958f075d498e8f6f966f0b1039" style="color: #1068bf;">0be75261</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-12-21T06:18:32-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Abstract over the right free vars
Fix #22459, in two ways:
(1) Make the Specialiser not create a bogus specialisation if
it is presented by strangely polymorphic dictionary.
See Note [Weird special case in SpecDict] in
GHC.Core.Opt.Specialise
(2) Be more careful in abstractFloats
See Note [Which type variables to abstract over]
in GHC.Core.Opt.Simplify.Utils.
So (2) stops creating the excessively polymorphic dictionary in
abstractFloats, while (1) stops crashing if some other pass should
nevertheless create a weirdly polymorphic dictionary.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/df7bc6b36d16e91f3e9e96e9542885e544bbf4d0" style="color: #1068bf;">df7bc6b3</a></strong>
<div>
<span> by Ying-Ruei Liang (TheKK) </span> <i> at 2022-12-21T14:31:54-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: explicitly store return value of ccall checkClosure to prevent type error (#22617)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e193e53790dd5886feea3cf4c9c17625d188291b" style="color: #1068bf;">e193e537</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-12-21T14:32:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix shadowing lacuna in OccurAnal
Issue #22623 demonstrated another lacuna in the implementation
of wrinkle (BS3) in Note [The binder-swap substitution] in
the occurrence analyser.
I was failing to add TyVar lambda binders using
addInScope/addOneInScope and that led to a totally bogus binder-swap
transformation.
Very easy to fix.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3d55d8ab51ece43c51055c43c9e7aba77cce46c0" style="color: #1068bf;">3d55d8ab</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-12-21T14:32:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix an assertion check in addToEqualCtList
The old assertion saw that a constraint ct could rewrite itself
(of course it can) and complained (stupid).
Fixes #22645
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ceb2e9b9b2e29047922453b545ef03f9d9e3244d" style="color: #1068bf;">ceb2e9b9</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-21T15:26:08-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>configure: Bump version to 9.6
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fb4d36c451218180ea40de7ec2c7b1209baf1dea" style="color: #1068bf;">fb4d36c4</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-21T15:27:49-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>base: Bump version to 4.18
Requires various submodule bumps.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/93ee7e9004c6acf01bf850a9be65c6cfe482e6f0" style="color: #1068bf;">93ee7e90</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-21T15:27:49-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ghc-boot: Fix bootstrapping
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fc3a2232da89ed4442b52a99ba1826d04362a7e8" style="color: #1068bf;">fc3a2232</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-22T13:45:06-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump GHC version to 9.7
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/914f7fe3756734714a6795fc4bbca96442b01f92" style="color: #1068bf;">914f7fe3</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2022-12-22T23:36:10-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Don't consider large byte arrays/compact regions pinned.
Workaround for #22255 which showed how treating large/compact regions
as pinned could cause segfaults.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/32b32d7fbc5544ad6c435a1ea26e6353ec567a9b" style="color: #1068bf;">32b32d7f</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-22T23:36:46-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian bindist: Install manpages to share/man/man1/ghc.1
When the installation makefile was copied over the manpages were no
longer installed in the correct place. Now we install it into share/man/man1/ghc.1
as the make build system did.
Fixes #22371
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b3ddf803061f92646615b435f71b1401fb4f9484" style="color: #1068bf;">b3ddf803</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-22T23:37:23-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Drop paths from configure from cabal file
A long time ago we would rely on substitutions from the configure script
to inject paths of the include and library directories of libffi and
libdw. However, now these are instead handled inside Hadrian when
calling Cabal's `configure` (see the uses of `cabalExtraDirs` in
Hadrian's `Settings.Packages.packageArgs`).
While the occurrences in the cabal file were redundant, they did no
harm. However, since b5c714545abc5f75a1ffdcc39b4bfdc7cd5e64b4 they have
no longer been interpolated. @mpickering noticed the suspicious
uninterpolated occurrence of `@FFIIncludeDir@` in #22595,
prompting this commit to finally remove them.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b2c7523d8987bedf13a7dd682d836ffb76cbe09d" style="color: #1068bf;">b2c7523d</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-22T23:37:59-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump libffi-tarballs submodule
We will now use libffi-3.4.4.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3699a5542caa88a8718588e68549b6291bcb5bfc" style="color: #1068bf;">3699a554</a></strong>
<div>
<span> by Alan Zimmerman </span> <i> at 2022-12-22T23:38:35-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>EPA: Make EOF position part of AnnsModule
Closes #20951
Closes #19697
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/99757ce8e32d9809c71b09583aa881943a450086" style="color: #1068bf;">99757ce8</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2022-12-22T23:39:13-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>JS: fix support for -outputdir (#22641)
The `-outputdir` option wasn't correctly handled with the JS backend
because the same code path was used to handle both objects produced by
the JS backend and foreign .js files. Now we clearly distinguish the
two in the pipeline, fixing the bug.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/02ed7d783244bd95ee897825650426de6f5fb3e2" style="color: #1068bf;">02ed7d78</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-12-22T23:39:49-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Refactor mkRuntimeError
This patch fixes #22634. Because we don't have TYPE/CONSTRAINT
polymorphism, we need two error functions rather than one.
I took the opportunity to rname runtimeError to impossibleError,
to line up with mkImpossibleExpr, and avoid confusion with the
genuine runtime-error-constructing functions.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/35267f077ac226d4fbe3f14fce2dd240fb61e188" style="color: #1068bf;">35267f07</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-22T23:40:32-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>base: Fix event manager shutdown race on non-Linux platforms
During shutdown it's possible that we will attempt to use a closed fd
to wakeup another capability's event manager. On the Linux eventfd path
we were careful to handle this. However on the non-Linux path we failed
to do so. Fix this.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/317f45c154f6fe25d50ef2f3febcc5883ff1b1ca" style="color: #1068bf;">317f45c1</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-12-22T23:41:07-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix unifier bug: failing to decompose over-saturated type family
This simple patch fixes #22647
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/14b2e3d3dda104c62c5abafd3353dd0315de71ad" style="color: #1068bf;">14b2e3d3</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-22T23:41:42-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts/m32: Fix sanity checking
Previously we would attempt to clear pages which were marked as
read-only. Fix this.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/16a1bcd1d72c7a4567671f6a7f610df3fc477519" style="color: #1068bf;">16a1bcd1</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-23T09:15:24+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Move wasm pipelines into nightly rather than master
See #22664 for the changes which need to be made to bring one of these
back to the validate pipeline.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/18d2acd2791a751c0b1894fd72dd0317583619cd" style="color: #1068bf;">18d2acd2</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Fix race in marking of blackholes
We must use an acquire-fence when marking to ensure that the indirectee
is visible.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/11241efa3422fae97aed0abb1857baab2f9018fb" style="color: #1068bf;">11241efa</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Fix segment list races
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/602455c9ae6e5a2746f43b1811bb3c54efb0a6f5" style="color: #1068bf;">602455c9</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Use atomic when looking at bd->gen
Since it may have been mutated by a moving GC.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9d63b160287eb8edfe7ab0b1715f21c1b831bfa5" style="color: #1068bf;">9d63b160</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Eliminate race in bump_static_flag
To ensure that we don't race with a mutator entering a new CAF we take
the SM mutex before touching static_flag. The other option here would be
to instead modify newCAF to use a CAS but the present approach is a bit
safer.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/26837523f5a9cdb33a206f8b22eea88ef75c874b" style="color: #1068bf;">26837523</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Ensure that mutable fields have acquire barrier
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8093264a448940133fc2f1899bab8757eabe4b85" style="color: #1068bf;">8093264a</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Fix races in collector status tracking
Mark a number of accesses to do with tracking of the status of the
concurrent collection thread as atomic. No interesting races here,
merely necessary to satisfy TSAN.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/387d4fcc29441098d41340c12e56d9693b5e4c94" style="color: #1068bf;">387d4fcc</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Make segment state updates atomic
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/543cae0084a72ca767a443d857f9e65a5a79f71d" style="color: #1068bf;">543cae00</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Refactor update remembered set initialization
This avoids a lock inversion between the storage manager mutex and
the stable pointer table mutex by not dropping the SM_MUTEX in
nonmovingCollect. This requires quite a bit of rejiggering but it
does seem like a better strategy.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c99367180e49d903f8be649bfdc11e95649c7d1a" style="color: #1068bf;">c9936718</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Ensure that we aren't holding locks when closing them
TSAN complains about this sort of thing.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0cd31f7d2c8baea0489770c765a7b8dd5c79679f" style="color: #1068bf;">0cd31f7d</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Make bitmap accesses atomic
This is a benign race on any sensible hard since these are byte
accesses. Nevertheless, atomic accesses are necessary to satisfy
TSAN.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d3fe110aaf7c40c5a4b2ff460abe33ee7fac6d93" style="color: #1068bf;">d3fe110a</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Fix benign race in update remembered set check
Relaxed load is fine here since we will take the lock before looking at
the list.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ab6cf893037f073fd3daf619579c84e58362b499" style="color: #1068bf;">ab6cf893</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Fix race in shortcutting
We must use an acquire load to read the info table pointer since if we
find an indirection we must be certain that we see the indirectee.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/36c9f23c9dc52928b5d2971f38f6e0b15e38528e" style="color: #1068bf;">36c9f23c</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-23T19:09:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nonmoving: Make free list counter accesses atomic
Since these may race with the allocator(s).
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aebef31cd8857749c7e25fe4b0d3ce4e12ae225a" style="color: #1068bf;">aebef31c</a></strong>
<div>
<span> by doyougnu </span> <i> at 2022-12-23T19:10:09-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>add GHC.Utils.Binary.foldGet' and use for Iface
A minor optimization to remove lazy IO and a lazy accumulator
strictify foldGet'
IFace.Binary: use strict foldGet'
remove superfluous bang
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5eb357d905c63cfbe6287a99fbaa8d83289d1a22" style="color: #1068bf;">5eb357d9</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-24T00:41:05-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: Ensure that GHC toolchain is first in search path
As noted in #22561, it is important that GHC's toolchain look
first for its own headers and libraries to ensure that the
system's are not found instead. If this happens things can
break in surprising ways (e.g. see #22561).
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cbaebfb9d03d01f15eb6bbeee584a70fc09a15c4" style="color: #1068bf;">cbaebfb9</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-24T00:41:40-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>head.hackage: Use slow-validate bindist for linting jobs
This enables the SLOW_VALIDATE env var for the linting head.hackage
jobs, namely the jobs enabled manually, by the label or on the nightly
build now use the deb10-numa-slow-validate bindist which has assertions
enabled.
See #22623 for a ticket which was found by using this configuration
already!
The head.hackage jobs triggered by upstream CI are now thusly:
hackage-lint: Can be triggered on any MR, normal validate pipeline or nightly build.
Runs head.hackage with -dlint and a slow-validate bindist
hackage-label-lint: Trigged on MRs with "user-facing" label, runs the slow-validate
head.hackage build with -dlint.
nightly-hackage-lint: Runs automatically on nightly pipelines with slow-validate + dlint config.
nightly-hackage-perf: Runs automaticaly on nightly pipelines with release build and eventlogging enabled.
release-hackage-lint: Runs automatically on release pipelines with -dlint on a release bindist.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f4850f365cee3d9030a61132931f4aba51f7e52a" style="color: #1068bf;">f4850f36</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-24T00:41:40-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Don't run abi-test-nightly on release jobs
The test is not configured to get the correct dependencies for the
release pipelines (and indeed stops the release pipeline being run at
all)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c264b06b4e77976939386a6d373d00118562c376" style="color: #1068bf;">c264b06b</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-24T00:41:40-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Run head.hackage jobs on upstream-testing branch rather than master
This change allows less priviledged users to trigger head.hackage jobs
because less permissions are needed to trigger jobs on the
upstream-testing branch, which is not protected.
There is a CI job which updates upstream-testing each hour to the state
of the master branch so it should always be relatively up-to-date.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/63b97430e5bd476923cd0cd8a6c71b17a20e3c4b" style="color: #1068bf;">63b97430</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-24T00:42:16-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>llvmGen: Fix relaxed ordering
Previously I used LLVM's `unordered` ordering for the C11 `relaxed`
ordering. However, this is wrong and should rather use the LLVM
`monotonic` ordering.
Fixes #22640</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f42ba88fd32f1def7dcf02f0a2227b453bf5971c" style="color: #1068bf;">f42ba88f</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-24T00:42:16-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>gitlab-ci: Introduce aarch64-linux-llvm job
This nightly job will ensure that we don't break the LLVM backend on
AArch64/Linux by bootstrapping GHC.
This would have caught #22640.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6d62f6bfbb5a86131e7cbc30993f3fa510d8b3ab" style="color: #1068bf;">6d62f6bf</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-24T00:42:51-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Store RdrName rather than OccName in Holes
In #20472 it was pointed out that you couldn't defer out of scope but
the implementation collapsed a RdrName into an OccName to stuff it into
a Hole. This leads to the error message for a deferred qualified name
dropping the qualification which affects the quality of the error
message.
This commit adds a bit more structure to a hole, so a hole can replace a
RdrName without losing information about what that RdrName was. This is
important when printing error messages.
I also added a test which checks the Template Haskell deferral of out of
scope qualified names works properly.
Fixes #22130
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3c3060e4645b12595b187e7dbaa758e8adda15e0" style="color: #1068bf;">3c3060e4</a></strong>
<div>
<span> by Richard Eisenberg </span> <i> at 2022-12-24T17:34:19+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Drop support for kind constraints.
This implements proposal 547 and closes ticket #22298.
See the proposal and ticket for motivation.
Compiler perf improves a bit
Metrics: compile_time/bytes allocated
-------------------------------------
CoOpt_Singletons(normal) -2.4% GOOD
T12545(normal) +1.0%
T13035(normal) -13.5% GOOD
T18478(normal) +0.9%
T9872d(normal) -2.2% GOOD
geo. mean -0.2%
minimum -13.5%
maximum +1.0%
Metric Decrease:
CoOpt_Singletons
T13035
T9872d
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6d7d4393e15a6d0a2b42ec986ec6bd3df27baaa7" style="color: #1068bf;">6d7d4393</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-12-24T21:09:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Ensure that linker scripts are used when merging objects
In #22527 @rui314 inadvertantly pointed out a glaring bug in Hadrian's
implementation of the object merging rules: unlike the old `make` build
system we utterly failed to pass the needed linker scripts. Fix this.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a5bd0eb8dd1d03c54e1b0b476ebbc4cc886d6f19" style="color: #1068bf;">a5bd0eb8</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-24T21:10:34-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Document infelicities of instance Ord Double and workarounds
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/62b9a7b23b20f5cf0a2de14251c2096098009f10" style="color: #1068bf;">62b9a7b2</a></strong>
<div>
<span> by Zubin Duggal </span> <i> at 2023-01-03T12:22:11+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Force the Docs structure to prevent leaks in GHCi with -haddock without -fwrite-interface
Involves adding many new NFData instances.
Without forcing Docs, references to the TcGblEnv for each module are retained
by the Docs structure. Usually these are forced when the ModIface is serialised
but not when we aren't writing the interface.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/21bedd84f2cde6aa17d09c610a2a309f3e2a7f10" style="color: #1068bf;">21bedd84</a></strong>
<div>
<span> by Facundo Domínguez </span> <i> at 2023-01-03T23:27:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Explain the auxiliary functions of permutations
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/32255d055b768d51deb9d1f49681164cf7492011" style="color: #1068bf;">32255d05</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T11:58:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: Add -f[no-]split-sections flags
Here we add a `-fsplit-sections` flag which may some day replace
`-split-sections`. This has the advantage of automatically providing a
`-fno-split-sections` flag, which is useful for our packaging because we
enable `-split-sections` by default but want to disable it in certain
configurations.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e640940c55a88d10537682baf530f3772e55459a" style="color: #1068bf;">e640940c</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T11:58:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Fix computation of tables_next_to_code for outOfTreeCompiler
This copy-pasto was introduced in de5fb3489f2a9bd6dc75d0cb8925a27fe9b9084b
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/15bee1239877a4629a245fe457f06e5f96668423" style="color: #1068bf;">15bee123</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T11:58:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Add test:all_deps to build just testsuite dependencies
Fixes #22534
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fec6638e2468c78f136f2363d8b3239a9bfd4f91" style="color: #1068bf;">fec6638e</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T11:58:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Add no_split_sections tranformer
This transformer reverts the effect of `split_sections`, which we intend
to use for platforms which don't support split sections.
In order to achieve this we have to modify the implemntation of the
split_sections transformer to store whether we are enabling
split_sections directly in the `Flavour` definition. This is because
otherwise there's no convenient way to turn off split_sections due to
having to pass additional linker scripts when merging objects.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3dc05726dca7e38ca8de8e1175c8f1489b96653e" style="color: #1068bf;">3dc05726</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T11:58:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>check-exact: Fix build with -Werror
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/53a6ae7a8f819d1105aa190dc9cce215cdbcc6dc" style="color: #1068bf;">53a6ae7a</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T11:58:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Build all test dependencies with in-tree compiler
This means that these executables will honour flavour transformers such
as "werror".
Fixes #22555
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/32e264c1a11e6356bb045371b87a3736df19e792" style="color: #1068bf;">32e264c1</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T11:58:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Document using GHC environment variable to select boot compiler
Fixes #22340
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/be9dd9b03479070ba6387c251541f4569392c4bb" style="color: #1068bf;">be9dd9b0</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T11:58:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>packaging: Build perf builds with -split-sections
In 8f71d958 the make build system was made to use split-sections on
linux systems but it appears this logic never made it to hadrian.
There is the split_sections flavour transformer but this doesn't appear
to be used for perf builds on linux.
This is disbled on deb9 and windows due to #21670
Closes #21135
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/00dc51060881df81258ba3b3bdf447294618a4de" style="color: #1068bf;">00dc5106</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-04T14:32:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>sphinx: Use modern syntax for extlinks
This fixes the following build error:
```
Command line: /opt/homebrew/opt/sphinx-doc/bin/sphinx-build -b man -d /private/tmp/extra-dir-55768274273/.doctrees-man -n -w /private/tmp/extra-dir-55768274273/.log docs/users_guide /private/tmp/extra-dir-55768274273
===> Command failed with error code: 2
Exception occurred:
File "/opt/homebrew/Cellar/sphinx-doc/6.0.0/libexec/lib/python3.11/site-packages/sphinx/ext/extlinks.py", line 101, in role
title = caption % part
~~~~~~~~^~~~~~
TypeError: not all arguments converted during string formatting
```
I tested on Sphinx-5.1.1 and Sphinx-6.0.0
Thanks for sterni for providing instructions about how to test using
sphinx-6.0.0.
Fixes #22690
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/541aedcd9023445b8e914d595ae8dcf2e799d618" style="color: #1068bf;">541aedcd</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2023-01-05T10:48:34-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Misc cleanup
- Remove unused uniques and hs-boot declarations
- Fix types of seq and unsafeCoerce#
- Remove FastString/String roundtrip in JS
- Use TTG to enforce totality
- Remove enumeration in Heap/Inspect; the 'otherwise' clause
serves the primitive types well.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/22bb89989fc0a907ef6b8f6ae99aa8907f67e438" style="color: #1068bf;">22bb8998</a></strong>
<div>
<span> by Alan Zimmerman </span> <i> at 2023-01-05T10:49:09-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>EPA: Do not collect comments from end of file
In Parser.y semis1 production triggers for the virtual semi at the end
of the file. This is detected by it being zero length.
In this case, do not extend the span being used to gather comments, so
any final comments are allocated at the module level instead.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9e077999eb3d09af6f31eb92233d4d757ece75f8" style="color: #1068bf;">9e077999</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2023-01-05T23:01:55-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>HsToken in TypeArg (#19623)
Updates the haddock submodule.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b2a2db04b24a4654261db8e0db6ad7bac1b3d7cf" style="color: #1068bf;">b2a2db04</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-05T23:02:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Revert "configure: Drop uses of AC_PROG_CC_C99"
This reverts commit 7c6de18dd3151ead954c210336728e8686c91de6.
Centos7 using a very old version of the toolchain (autotools-2.69) where
the behaviour of these macros has not yet changed. I am reverting this
without haste as it is blocking the 9.6 branch.
Fixes #22704
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/28f8c0ebbfe623784988745af75dcf3fdbdd3ca5" style="color: #1068bf;">28f8c0eb</a></strong>
<div>
<span> by Luite Stegeman </span> <i> at 2023-01-06T18:16:24+09:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add support for sized literals in the bytecode interpreter.
The bytecode interpreter only has branching instructions for
word-sized values. These are used for pattern matching.
Branching instructions for other types (e.g. Int16# or Word8#)
weren't needed, since unoptimized Core or STG never requires
branching on types like this.
It's now possible for optimized STG to reach the bytecode
generator (e.g. fat interface files or certain compiler flag
combinations), which requires dealing with various sized
literals in branches.
This patch improves support for generating bytecode from
optimized STG by adding the following new bytecode
instructions:
TESTLT_I64
TESTEQ_I64
TESTLT_I32
TESTEQ_I32
TESTLT_I16
TESTEQ_I16
TESTLT_I8
TESTEQ_I8
TESTLT_W64
TESTEQ_W64
TESTLT_W32
TESTEQ_W32
TESTLT_W16
TESTEQ_W16
TESTLT_W8
TESTEQ_W8
Fixes #21945
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ac39e8e97fbb69e4a786c1c29d6e477e7944f998" style="color: #1068bf;">ac39e8e9</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-06T13:47:00-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Only store Name in FunRhs rather than Id with knot-tied fields
All the issues here have been caused by #18758.
The goal of the ticket is to be able to talk about things like
`LTyClDecl GhcTc`. In the case of HsMatchContext,
the correct "context" is whatever we want, and in fact storing just a
`Name` is sufficient and correct context, even if the rest of the AST is
storing typechecker Ids.
So this reverts (#20415, !5579) which intended to get closed to #18758 but
didn't really and introduced a few subtle bugs.
Printing of an error message in #22695 would just hang, because we would
attempt to print the `Id` in debug mode to assertain whether it was
empty or not. Printing the Name is fine for the error message.
Another consequence is that when `-dppr-debug` was enabled the compiler would
hang because the debug printing of the Id would try and print fields
which were not populated yet.
This also led to 32070e6c2e1b4b7c32530a9566fe14543791f9a6 having to add
a workaround for the `checkArgs` function which was probably a very
similar bug to #22695.
Fixes #22695
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c306d939d2e1b08cbe683bb9829a4b4010948010" style="color: #1068bf;">c306d939</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-06T22:08:53-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Upgrade darwin, windows and freebsd CI to use GHC-9.4.3
Fixes #22599
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0db496ff1e372b19429fee91a4a569f7021fe1d7" style="color: #1068bf;">0db496ff</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-06T22:08:53-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>darwin ci: Explicitly pass desired build triple to configure
On the zw3rk machines for some reason the build machine was inferred to
be arm64. Setting the build triple appropiately resolve this confusion
and we produce x86 binaries.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2459c3587bfe8105c628f9733bf32d1d3c903375" style="color: #1068bf;">2459c358</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-06T22:09:29-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: MUT_VAR is not a StgMutArrPtrs
There was previously a comment claiming that the MUT_VAR closure type
had the layout of StgMutArrPtrs.</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6206cb9287f3f6e70c669660a646a65274870d2b" style="color: #1068bf;">6206cb92</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-01-07T12:14:40-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Make FloatIn robust to shadowing
This MR fixes #22622. See the new
Note [Shadowing and name capture]
I did a bit of refactoring in sepBindsByDropPoint too.
The bug doesn't manifest in HEAD, but it did show up in 9.4,
so we should backport this patch to 9.4
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a960ca817d6ad0109ea6edda50da3902cc538e86" style="color: #1068bf;">a960ca81</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-07T12:15:15-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>T10955: Set DYLD_LIBRARY_PATH for darwin
The correct path to direct the dynamic linker on darwin is
DYLD_LIBRARY_PATH rather than LD_LIBRARY_PATH. On recent versions of OSX
using LD_LIBRARY_PATH seems to have stopped working.
For more reading see:
https://stackoverflow.com/questions/3146274/is-it-ok-to-use-dyld-library-path-on-mac-os-x-and-whats-the-dynamic-library-s
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/734847108420cf826a807c30ad54651659cf3a08" style="color: #1068bf;">73484710</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-07T12:15:15-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Skip T18623 on darwin (to add to the long list of OSs)
On recent versions of OSX, running `ulimit -v` results in
```
ulimit: setrlimit failed: invalid argument
```
Time is too short to work out what random stuff Apple has been doing
with ulimit, so just skip the test like we do for other platforms.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8c0ea25fb4a27d4729aabf73f4c00b912bb0c58d" style="color: #1068bf;">8c0ea25f</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-07T12:15:15-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Pass -Wl,-no_fixup_chains to ld64 when appropiate
Recent versions of MacOS use a version of ld where `-fixup_chains` is on by default.
This is incompatible with our usage of `-undefined dynamic_lookup`. Therefore we
explicitly disable `fixup-chains` by passing `-no_fixup_chains` to the linker on
darwin. This results in a warning of the form:
ld: warning: -undefined dynamic_lookup may not work with chained fixups
The manual explains the incompatible nature of these two flags:
-undefined treatment
Specifies how undefined symbols are to be treated. Options are: error, warning,
suppress, or dynamic_lookup. The default is error. Note: dynamic_lookup that
depends on lazy binding will not work with chained fixups.
A relevant ticket is #22429
Here are also a few other links which are relevant to the issue:
Official comment: https://developer.apple.com/forums/thread/719961
More relevant links:
https://openradar.appspot.com/radar?id=5536824084660224
https://github.com/python/cpython/issues/97524
Note in release notes: https://developer.apple.com/documentation/xcode-release-notes/xcode-13-releas e-notes
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/365b30453f0f7361edd40d32ebaa4bea784f3a2b" style="color: #1068bf;">365b3045</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-09T02:36:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Disable split sections on aarch64-deb10 build
See #22722
Failure on this job:
https://gitlab.haskell.org/ghc/ghc/-/jobs/1287852
```
Unexpected failures:
/builds/ghc/ghc/tmp/ghctest-s3d8g1hj/test spaces/testsuite/tests/th/T10828.run T10828 [exit code non-0] (ext-interp)
/builds/ghc/ghc/tmp/ghctest-s3d8g1hj/test spaces/testsuite/tests/th/T13123.run T13123 [exit code non-0] (ext-interp)
/builds/ghc/ghc/tmp/ghctest-s3d8g1hj/test spaces/testsuite/tests/th/T20590.run T20590 [exit code non-0] (ext-interp)
Appending 232 stats to file: /builds/ghc/ghc/performance-metrics.tsv
```
```
Compile failed (exit code 1) errors were:
data family D_0 a_1 :: * -> *
data instance D_0 GHC.Types.Int GHC.Types.Bool :: * where
DInt_2 :: D_0 GHC.Types.Int GHC.Types.Bool
data E_3 where MkE_4 :: a_5 -> E_3
data Foo_6 a_7 b_8 where
MkFoo_9, MkFoo'_10 :: a_11 -> Foo_6 a_11 b_12
newtype Bar_13 :: * -> GHC.Types.Bool -> * where
MkBar_14 :: a_15 -> Bar_13 a_15 b_16
data T10828.T (a_0 :: *) where
T10828.MkT :: forall (a_1 :: *) . a_1 -> a_1 -> T10828.T a_1
T10828.MkC :: forall (a_2 :: *) (b_3 :: *) . (GHC.Types.~) a_2
GHC.Types.Int => {T10828.foo :: a_2,
T10828.bar :: b_3} -> T10828.T GHC.Types.Int
T10828.hs:1:1: error: [GHC-87897]
Exception when trying to run compile-time code:
ghc-iserv terminated (-4)
Code: (do TyConI dec <- runQ $ reify (mkName "T")
runIO $ putStrLn (pprint dec) >> hFlush stdout
d <- runQ
$ [d| data T' a :: Type
where
MkT' :: a -> a -> T' a
MkC' :: forall a b. (a ~ Int) => {foo :: a, bar :: b} -> T' Int |]
runIO $ putStrLn (pprint d) >> hFlush stdout
....)
*** unexpected failure for T10828(ext-interp)
=====> 7000 of 9215 [0, 1, 0]
=====> 7000 of 9215 [0, 1, 0]
=====> 7000 of 9215 [0, 1, 0]
=====> 7000 of 9215 [0, 1, 0]
Compile failed (exit code 1) errors were:
T13123.hs:1:1: error: [GHC-87897]
Exception when trying to run compile-time code:
ghc-iserv terminated (-4)
Code: ([d| data GADT
where MkGADT :: forall k proxy (a :: k). proxy a -> GADT |])
*** unexpected failure for T13123(ext-interp)
=====> 7100 of 9215 [0, 2, 0]
=====> 7100 of 9215 [0, 2, 0]
=====> 7200 of 9215 [0, 2, 0]
Compile failed (exit code 1) errors were:
T20590.hs:1:1: error: [GHC-87897]
Exception when trying to run compile-time code:
ghc-iserv terminated (-4)
Code: ([d| data T where MkT :: forall a. a -> T |])
*** unexpected failure for T20590(ext-interp)
```
Looks fairly worrying to me.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/965a273510adfac4f041a31182c2fec82e614e47" style="color: #1068bf;">965a2735</a></strong>
<div>
<span> by Alan Zimmerman </span> <i> at 2023-01-09T02:36:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>EPA: exact print HsDocTy
To match ghc-exactprint
https://github.com/alanz/ghc-exactprint/pull/121
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d65773eb6bbac76247f97f385772fe366889085" style="color: #1068bf;">5d65773e</a></strong>
<div>
<span> by John Ericson </span> <i> at 2023-01-09T20:39:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Remove RTS hack for configuring
See the brand new Note [Undefined symbols in the RTS] for additional
details.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e3fff7512bbf989386faaa1dccafdad1deabde84" style="color: #1068bf;">e3fff751</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2023-01-09T20:40:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Handle shadowing in DmdAnal (#22718)
Previously, when we had a shadowing situation like
```hs
f x = ... -- demand signature <1L><1L>
main = ... \f -> f 1 ...
```
we'd happily use the shadowed demand signature at the call site inside the
lambda. Of course, that's wrong and solution is simply to remove the demand
signature from the `AnalEnv` when we enter the lambda.
This patch does so for all binding constructs Core.
In #22718 the issue was caused by LetUp not shadowing away the existing demand
signature for the let binder in the let body. The resulting absent error is
fickle to reproduce; hence no reproduction test case. #17478 would help.
Fixes #22718.
It appears that TcPlugin_Rewrite regresses by ~40% on Darwin. It is likely that
DmdAnal was exploiting ill-scoped analysis results.
Metric increase ['bytes allocated'] (test_env=x86_64-darwin-validate):
TcPlugin_Rewrite
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d53f6f4d98aabd6f5b28fb110db1da0f6db70a06" style="color: #1068bf;">d53f6f4d</a></strong>
<div>
<span> by Oleg Grenrus </span> <i> at 2023-01-09T21:11:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add safe list indexing operator: !?
With Joachim's amendments.
Implements https://github.com/haskell/core-libraries-committee/issues/110
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cfaf1ad7d4f75fc3f04090a17cc675d0e54e8e55" style="color: #1068bf;">cfaf1ad7</a></strong>
<div>
<span> by Nicolas Trangez </span> <i> at 2023-01-09T21:11:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts, tests: limit thread name length to 15 bytes
On Linux, `pthread_setname_np` (or rather, the kernel) only allows for
thread names up to 16 bytes, including the terminating null byte.
This commit adds a note pointing this out in `createOSThread`, and fixes
up two instances where a thread name of more than 15 characters long was
used (in the RTS, and in a test-case).
Fixes: #22366
Fixes: https://gitlab.haskell.org/ghc/ghc/-/issues/22366
See: https://gitlab.haskell.org/ghc/ghc/-/issues/22366#note_460796
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/64286132cc0db4e227637887f98f5a3ecf7d326a" style="color: #1068bf;">64286132</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-09T21:11:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Store bootstrap_llvm_target and use it to set LlvmTarget in bindists
This mirrors some existing logic for the bootstrap_target which
influences how TargetPlatform is set.
As described on #21970 not storing this led to `LlvmTarget` being set incorrectly
and hence the wrong `--target` flag being passed to the C compiler.
Towards #21970
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4724e8d1a66fa0a821d322d9d2d90db7d7604916" style="color: #1068bf;">4724e8d1</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-09T21:11:04-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Check for FP_LD_NO_FIXUP_CHAINS in installation configure script
Otherwise, when installing from a bindist the C flag isn't passed to the
C compiler.
This completes the fix for #22429
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2e926b887067aacb866740a878dc386ab74713da" style="color: #1068bf;">2e926b88</a></strong>
<div>
<span> by Georgi Lyubenov </span> <i> at 2023-01-09T21:11:07-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix outdated link to Happy section on sequences
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/146a145835f5c2e82da4dd0bcb90702460505a01" style="color: #1068bf;">146a1458</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-09T21:11:07-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Revert "NCG(x86): Compile add+shift as lea if possible."
This reverts commit 20457d775885d6c3df020d204da9a7acfb3c2e5a.
See #22666 and #21777
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6e6adbe368f68968ff1733b56deb3386b8c97fde" style="color: #1068bf;">6e6adbe3</a></strong>
<div>
<span> by Jade Lovelace </span> <i> at 2023-01-11T00:55:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix tcPluginRewrite example
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/faa5713818cddd0b206b5c2b98be4e241959be87" style="color: #1068bf;">faa57138</a></strong>
<div>
<span> by Jade Lovelace </span> <i> at 2023-01-11T00:55:31-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>fix missing haddock pipe
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0470ea7c92ad2330a9c6dfc8eae3a1dcad41dcb9" style="color: #1068bf;">0470ea7c</a></strong>
<div>
<span> by Florian Weimer </span> <i> at 2023-01-11T00:56:10-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>m4/fp_leading_underscore.m4: Avoid implicit exit function declaration
And switch to a new-style function definition.
Fixes build issues with compilers that do not accept implicit function
declarations.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b2857df4ee467c88162e5a6784ee1fb6e2038656" style="color: #1068bf;">b2857df4</a></strong>
<div>
<span> by HaskellMouse </span> <i> at 2023-01-11T00:56:52-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Added a new warning about compatibility with RequiredTypeArguments
This commit introduces a new warning
that indicates code incompatible with
future extension: RequiredTypeArguments.
Enabling this extension may break some code and the warning
will help to make it compatible in advance.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5f17e21af6368ec0e615af7de714a3194181f46a" style="color: #1068bf;">5f17e21a</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-11T00:57:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>testsuite: Drop testheapalloced.c
As noted in #22414, this file (which appears to be a benchmark for
characterising the one-step allocator's MBlock cache) is currently
unreferenced. Remove it.
Closes #22414. </pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bc1257750f507218059ac6bad05d9c96a8b88d67" style="color: #1068bf;">bc125775</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2023-01-11T00:58:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Introduce the TypeAbstractions language flag
GHC Proposals #448 "Modern scoped type variables"
and #425 "Invisible binders in type declarations"
introduce a new language extension flag: TypeAbstractions.
Part of the functionality guarded by this flag has already been
implemented, namely type abstractions in constructor patterns, but it
was guarded by a combination of TypeApplications and ScopedTypeVariables
instead of a dedicated language extension flag.
This patch does the following:
* introduces a new language extension flag TypeAbstractions
* requires TypeAbstractions for @a-syntax in constructor patterns
instead of TypeApplications and ScopedTypeVariables
* creates a User's Guide page for TypeAbstractions and
moves the "Type Applications in Patterns" section there
To avoid a breaking change, the new flag is implied by
ScopedTypeVariables and is retroactively added to GHC2021.
Metric Decrease:
MultiLayerModulesTH_OneShot
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/083f701553852c4460159cd6deb2515d3373714d" style="color: #1068bf;">083f7015</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2023-01-11T00:58:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Misc cleanup
- Remove unused mkWildEvBinder
- Use typeTypeOrConstraint - more symmetric and asserts that
that the type is Type or Constraint
- Fix escape sequences in Python; they raise a deprecation warning
with -Wdefault
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aed1974e92366ab8e117734f308505684f70cddf" style="color: #1068bf;">aed1974e</a></strong>
<div>
<span> by Richard Eisenberg </span> <i> at 2023-01-11T08:30:42+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Refactor the treatment of loopy superclass dicts
This patch completely re-engineers how we deal with loopy superclass
dictionaries in instance declarations. It fixes #20666 and #19690
The highlights are
* Recognise that the loopy-superclass business should use precisely
the Paterson conditions. This is much much nicer. See
Note [Recursive superclasses] in GHC.Tc.TyCl.Instance
* With that in mind, define "Paterson-smaller" in
Note [Paterson conditions] in GHC.Tc.Validity, and the new
data type `PatersonSize` in GHC.Tc.Utils.TcType, along with
functions to compute and compare PatsonSizes
* Use the new PatersonSize stuff when solving superclass constraints
See Note [Solving superclass constraints] in GHC.Tc.TyCl.Instance
* In GHC.Tc.Solver.Monad.lookupInInerts, add a missing call to
prohibitedSuperClassSolve. This was the original cause of #20666.
* Treat (TypeError "stuff") as having PatersonSize zero. See
Note [Paterson size for type family applications] in GHC.Tc.Utils.TcType.
* Treat the head of a Wanted quantified constraint in the same way
as the superclass of an instance decl; this is what fixes #19690.
See GHC.Tc.Solver.Canonical Note [Solving a Wanted forall-constraint]
(Thanks to Matthew Craven for this insight.)
This entailed refactoring the GivenSc constructor of CtOrigin a bit,
to say whether it comes from an instance decl or quantified constraint.
* Some refactoring way in which redundant constraints are reported; we
don't want to complain about the extra, apparently-redundant
constraints that we must add to an instance decl because of the
loopy-superclass thing. I moved some work from GHC.Tc.Errors to
GHC.Tc.Solver.
* Add a new section to the user manual to describe the loopy
superclass issue and what rules it follows.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/300bcc1577772b6e2848c3432efb14d89af2df76" style="color: #1068bf;">300bcc15</a></strong>
<div>
<span> by HaskellMouse </span> <i> at 2023-01-11T13:43:36-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Parse qualified terms in type signatures
This commit allows qualified terms in type
signatures to pass the parser and to be cathced by renamer
with more informative error message. Adds a few tests.
Fixes #21605
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/964284fcab6e27fe2fa5c279ea008551cbc15dbb" style="color: #1068bf;">964284fc</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-01-11T13:44:12-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix void-arg-adding mechanism for worker/wrapper
As #22725 shows, in worker/wrapper we must add the void argument
/last/, not first. See GHC.Core.Opt.WorkWrap.Utils
Note [Worker/wrapper needs to add void arg last].
That led me to to study GHC.Core.Opt.SpecConstr
Note [SpecConstr needs to add void args first] which suggests the
opposite! And indeed I think it's the other way round for SpecConstr
-- or more precisely the void arg must precede the "extra_bndrs".
That led me to some refactoring of GHC.Core.Opt.SpecConstr.calcSpecInfo.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f7ceafc96bb8b6b1f3f062d07e0d433defaa9b41" style="color: #1068bf;">f7ceafc9</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2023-01-11T22:36:59-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add 'docWithStyle' to improve codegen
This new combinator
docWithStyle :: IsOutput doc => doc -> (PprStyle -> SDoc) -> doc
let us remove the need for code to be polymorphic in HDoc
when not used in code style.
Metric Decrease:
ManyConstructors
T13035
T1969
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b3be0d185b6e597fa517859430cf6d54df04ca46" style="color: #1068bf;">b3be0d18</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-01-11T22:37:35-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix finaliseArgBoxities for OPAQUE function
We never do worker wrapper for OPAQUE functions, so we must
zap the unboxing info during strictness analysis.
This patch fixes #22502
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/db11f3586085901e89705f69aff472e027c0748f" style="color: #1068bf;">db11f358</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-12T07:49:04-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Revert "rts: Drop racy assertion"
The logic here was inverted. Reverting the commit to avoid confusion
when examining the commit history.
This reverts commit b3eacd64fb36724ed6c5d2d24a81211a161abef1.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3242139fbd18df324460e22619c1a1fb3b258a07" style="color: #1068bf;">3242139f</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-12T07:49:04-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: Drop racy assertion
0e274c39bf836d5bb846f5fa08649c75f85326ac added an assertion in
`dirty_MUT_VAR` checking that the MUT_VAR being dirtied was clean.
However, this isn't necessarily the case since another thread may have
raced us to dirty the object.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9ffd5d57a7cc19bcd6ea0139b00c77639566ba82" style="color: #1068bf;">9ffd5d57</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-12T07:49:41-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>configure: Fix escaping of `$tooldir`
In !9547 I introduced `$tooldir` directories into GHC's default link and
compilation flags to ensure that our C toolchain finds its own headers
and libraries before others on the system. However, the patch was subtly
wrong in the escaping of `$tooldir`. Fix this.
Fixes #22561.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/905d0b6e1db714b306a940fb58a570c9294aa88d" style="color: #1068bf;">905d0b6e</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2023-01-12T15:51:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix contification with stable unfoldings (#22428)
Many functions now return a `TailUsageDetails` that adorns a `UsageDetails` with
a `JoinArity` that reflects the number of join point binders around the body
for which the `UsageDetails` was computed. `TailUsageDetails` is now returned by
`occAnalLamTail` as well as `occAnalUnfolding` and `occAnalRules`.
I adjusted `Note [Join points and unfoldings/rules]` and
`Note [Adjusting right-hand sides]` to account for the new machinery.
I also wrote a new `Note [Join arity prediction based on joinRhsArity]`
and refer to it when we combine `TailUsageDetails` for a recursive RHS.
I also renamed
* `occAnalLam` to `occAnalLamTail`
* `adjustRhsUsage` to `adjustTailUsage`
* a few other less important functions
and properly documented the that each call of `occAnalLamTail` must pair up with
`adjustTailUsage`.
I removed `Note [Unfoldings and join points]` because it was redundant with
`Note [Occurrences in stable unfoldings]`.
While in town, I refactored `mkLoopBreakerNodes` so that it returns a condensed
`NodeDetails` called `SimpleNodeDetails`.
Fixes #22428.
The refactoring seems to have quite beneficial effect on ghc/alloc performance:
```
CoOpt_Read(normal) ghc/alloc 784,778,420 768,091,176 -2.1% GOOD
T12150(optasm) ghc/alloc 77,762,270 75,986,720 -2.3% GOOD
T12425(optasm) ghc/alloc 85,740,186 84,641,712 -1.3% GOOD
T13056(optasm) ghc/alloc 306,104,656 299,811,632 -2.1% GOOD
T13253(normal) ghc/alloc 350,233,952 346,004,008 -1.2%
T14683(normal) ghc/alloc 2,800,514,792 2,754,651,360 -1.6%
T15304(normal) ghc/alloc 1,230,883,318 1,215,978,336 -1.2%
T15630(normal) ghc/alloc 153,379,590 151,796,488 -1.0%
T16577(normal) ghc/alloc 7,356,797,056 7,244,194,416 -1.5%
T17516(normal) ghc/alloc 1,718,941,448 1,692,157,288 -1.6%
T19695(normal) ghc/alloc 1,485,794,632 1,458,022,112 -1.9%
T21839c(normal) ghc/alloc 437,562,314 431,295,896 -1.4% GOOD
T21839r(normal) ghc/alloc 446,927,580 440,615,776 -1.4% GOOD
geo. mean -0.6%
minimum -2.4%
maximum -0.0%
```
Metric Decrease:
CoOpt_Read
T10421
T12150
T12425
T13056
T18698a
T18698b
T21839c
T21839r
T9961
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1491c8791c57a64d94bc08d639d585815c8d4e2" style="color: #1068bf;">a1491c87</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2023-01-12T15:52:23-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Only gc sparks locally when we can ensure marking is done.
When performing GC without work stealing there was no guarantee that
spark pruning was happening after marking of the sparks. This could
cause us to GC live sparks under certain circumstances.
Fixes #22528.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8acfe9306568559eab8a655bc22e032c27853b11" style="color: #1068bf;">8acfe930</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-12T15:53:00-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Change MSYSTEM to CLANG64 uniformly
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/73bc162b8427bd34768615fda1c95c41e4797385" style="color: #1068bf;">73bc162b</a></strong>
<div>
<span> by M Farkas-Dyck </span> <i> at 2023-01-12T15:53:42-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Make `GHC.Tc.Errors.Reporter` take `NonEmpty ErrorItem` rather than `[ErrorItem]`, which lets us drop some panics.
Also use the `BasicMismatch` constructor rather than `mkBasicMismatchMsg`, which lets us drop the "-Wno-incomplete-record-updates" flag.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1b812b6973a25cb1962e2fc543d2c4ed3cf31f3c" style="color: #1068bf;">1b812b69</a></strong>
<div>
<span> by Oleg Grenrus </span> <i> at 2023-01-12T15:54:21-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix #22728: Not all diagnostics in safe check are fatal
Also add tests for the issue and -Winferred-safe-imports in general
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c79b2b65fff93b4f4e38e5d124f0cb8c6ef704c0" style="color: #1068bf;">c79b2b65</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-12T15:54:58-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Don't run hadrian-multi on fast-ci label
Fixes #22667
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9a3d6add05d9227fb047cf6ce7ae35dc11c51718" style="color: #1068bf;">9a3d6add</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-01-13T00:46:36-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump submodule bytestring to 0.11.4.0
Metric Decrease:
T21839c
T21839r
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/df33c13c802cdb846e1377e61bebaebe8955ff15" style="color: #1068bf;">df33c13c</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-13T00:47:12-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>gitlab-ci: Bump Darwin bootstrap toolchain
This updates the bootstrap compiler on Darwin from 8.10.7 to 9.2.5,
ensuring that we have the fix for #21964.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/756a66ec0875b675bd3256d46d57419827312426" style="color: #1068bf;">756a66ec</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-13T00:47:12-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>gitlab-ci: Pass -w to cabal update
Due to cabal#8447, cabal-install 3.8.1.0 requires a compiler to run
`cabal update`.</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1142f858d761afc4d09923d52a2aaacf1a8c8679" style="color: #1068bf;">1142f858</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-13T11:04:00+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump hsc2hs submodule
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d46867297de5f7f26963ed819949a876737d462f" style="color: #1068bf;">d4686729</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-13T11:04:00+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump process submodule
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/84ae657307380d50786206ce0f2b95498a06ed27" style="color: #1068bf;">84ae6573</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-13T11:06:58+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Bump DOCKER_REV
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d53598c5b71521d6706fc0f4b5713110195d5578" style="color: #1068bf;">d53598c5</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-13T11:06:58+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: enable xz parallel compression for x64 jobs
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d31fcbca6cf4bc166904cfd25696503401ad631d" style="color: #1068bf;">d31fcbca</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-13T11:06:58+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: use in-image emsdk for js jobs
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/93b9bbc177ca848bc80dc23aea3571c42d640192" style="color: #1068bf;">93b9bbc1</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-13T11:47:17+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: improve nix-shell for gen_ci.hs and fix some ghc/hlint warnings
- Add a ghc environment including prebuilt dependencies to the
nix-shell. Get rid of the ad hoc cabal cache and all dependencies
are now downloaded from the nixos binary cache.
- Make gen_ci.hs a cabal package with HLS integration, to make future
hacking of gen_ci.hs easier.
- Fix some ghc/hlint warnings after I got HLS to work.
- For the lint-ci-config job, do a shallow clone to save a few minutes
of unnecessary git checkout time.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8acc56c79d21d33fceed9d094fbb1702c3f7cb01" style="color: #1068bf;">8acc56c7</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-13T11:47:17+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: source the toolchain env file in wasm jobs
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/87194df0984a85acb3726ed5c69cfae89af56b85" style="color: #1068bf;">87194df0</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-13T11:47:17+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: add wasm ci jobs via gen_ci.hs
- There is one regular wasm job run in validate pipelines
- Additionally, int-native/unreg wasm jobs run in nightly/release pipelines
Also, remove the legacy handwritten wasm ci jobs in .gitlab-ci.yml.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b6eb9bccd56a11b5e8c208bb5490309317fd5275" style="color: #1068bf;">b6eb9bcc</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-13T11:52:16+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>wasm ci: Remove wasm release jobs
This removes the wasm release jobs, as we do not yet intend to
distribute these binaries.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/496607fdb77baf12e2fe263104ba5d0d700eee3b" style="color: #1068bf;">496607fd</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-01-13T16:52:07-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add a missing checkEscapingKind
Ticket #22743 pointed out that there is a missing check,
for type-inferred bindings, that the inferred type doesn't
have an escaping kind.
The fix is easy.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7a9a10423324864a2ce5d9c7e714a1045afd5153" style="color: #1068bf;">7a9a1042</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2023-01-16T20:48:19-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Separate core inlining logic from `Unfolding` type.
This seems like a good idea either way, but is mostly motivated by a
patch where this avoids a module loop.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/33b58f77d2dd2bf17cd5fbfc3c06c8b2c44f5181" style="color: #1068bf;">33b58f77</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-01-16T20:48:57-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Hadrian: generalise &%> to avoid warnings
This patch introduces a more general version of &%> that works
with general traversable shapes, instead of lists. This allows us
to pass along the information that the length of the list of filepaths
passed to the function exactly matches the length of the input list
of filepath patterns, avoiding pattern match warnings.
Fixes #22430
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8c7a991c8190c57977d876309c29bfbf046081dd" style="color: #1068bf;">8c7a991c</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2023-01-16T20:49:34-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add regression test for #22611.
A case were a function used to fail to specialize, but now does.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6abea7605fddc6d734d761676314c9929a9728f0" style="color: #1068bf;">6abea760</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2023-01-16T20:50:10-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Mark maximumBy/minimumBy as INLINE.
The RHS was too large to inline which often prevented the overhead of the Maybe
from being optimized away. By marking it as INLINE we can eliminate the
overhead of both the maybe and are able to unpack the accumulator when
possible.
Fixes #22609
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/99d151bbd6a1407e73032ae597828dba59b4d01e" style="color: #1068bf;">99d151bb</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-16T20:50:50-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Bump CACHE_REV so that ghc-9.6 branch and HEAD have different caches
Having the same CACHE_REV on both branches leads to issues where the
darwin toolchain is different on ghc-9.6 and HEAD which leads to long
darwin build times.
In general we should ensure that each branch has a different CACHE_REV.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6a5845fb6bb6fbf0deaf01ff20499da22d6471ca" style="color: #1068bf;">6a5845fb</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-16T20:51:25-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Change owner of files in source-tarball job
This fixes errors of the form:
```
fatal: detected dubious ownership in repository at '/builds/ghc/ghc'
To add an exception for this directory, call:
git config --global --add safe.directory /builds/ghc/ghc
inferred 9.7.20230113
checking for GHC Git commit id... fatal: detected dubious ownership in repository at '/builds/ghc/ghc'
To add an exception for this directory, call:
git config --global --add safe.directory /builds/ghc/ghc
```
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4afb952c22a1ca4a4f02e3ca8bd743391d3a03d7" style="color: #1068bf;">4afb952c</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-16T20:51:25-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Don't build aarch64-deb10-llvm job on release pipelines
Closes #22721
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8039feb926e8fcd7eca3a54d9c98a05052742a92" style="color: #1068bf;">8039feb9</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-16T20:51:25-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Change owner of files in test-bootstrap job
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0b358d0c722f4bccbe6c3cafdad2ffe5c2b6fff5" style="color: #1068bf;">0b358d0c</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-16T20:51:25-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rel_eng: Add release engineering scripts into ghc tree
It is better to keep these scripts in the tree as they depend on the CI
configuration and so on. By keeping them in tree we can keep them
up-to-date as the CI config changes and also makes it easier to backport
changes to the release script between release branches in future.
The final motivation is that it makes generating GHCUp metadata
possible.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/28cb2ed00cf261720a8db907f6ceb04266924ab7" style="color: #1068bf;">28cb2ed0</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-16T20:51:25-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Don't use complicated image or clone in not-interruptible job
This job exists only for the meta-reason of not allowing nightly
pipelines to be cancelled. It was taking two minutes to run as in order
to run "true" we would also clone the whole GHC repo.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/eeea59bb3df6977ead66bf0b24976b03a6021f51" style="color: #1068bf;">eeea59bb</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-16T20:51:26-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add scripts to generate ghcup metadata on nightly and release pipelines
1. A python script in .gitlab/rel_eng/mk-ghcup-metadata which generates
suitable metadata for consumption by GHCUp for the relevant
pipelines.
- The script generates the metadata just as the ghcup maintainers
want, without taking into account platform/library combinations. It
is updated manually when the mapping changes.
- The script downloads the bindists which ghcup wants to distribute,
calculates the hash and generates the yaml in the correct structure.
- The script is documented in the .gitlab/rel_eng/mk-ghcup-metadata/README.mk file
1a. The script requires us to understand the mapping from platform ->
job. To choose the preferred bindist for each platform the
.gitlab/gen_ci.hs script is modified to allow outputting a metadata
file which answers the question about which job produces the
bindist which we want to distribute to users for a specific
platform.
2. Pipelines to run on nightly and release jobs to generate metadata
- ghcup-metadata-nightly: Generates metadata which points directly to
artifacts in the nightly job.
- ghcup-metadata-release: Generates metadata suitable for inclusion
directly in ghcup by pointing to the downloads folder where the
bindist will be uploaded to.
2a. Trigger jobs which test the generated metadata in the downstream
`ghccup-ci` repo. See that repo for documentation about what is
tested and how but essentially we test in a variety of clean images
that ghcup can download and install the bindists we say exist in our
metadata.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/97bd4d8c03fe74a7642f617db12bbee2215e24e6" style="color: #1068bf;">97bd4d8c</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-01-16T20:52:04-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump submodule parsec to 3.1.16.1
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/97ac8230b0a645aae27b7ee42aa55b0c84735684" style="color: #1068bf;">97ac8230</a></strong>
<div>
<span> by Alan Zimmerman </span> <i> at 2023-01-16T20:52:39-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>EPA: Add annotation for 'type' in DataDecl
Closes #22765
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/dbbab95debd4405acdfaceee2be547fd69d9bb6f" style="color: #1068bf;">dbbab95d</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-17T06:36:06-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>compiler: Small optimisation of assertM
In #22739 @AndreasK noticed that assertM performed the action to compute
the asserted predicate regardless of whether DEBUG is enabled. This is
inconsistent with the other assertion operations and general convention.
Fix this.
Closes #22739.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fc02f3bbb5f47f880465e22999ba9794f658d8f6" style="color: #1068bf;">fc02f3bb</a></strong>
<div>
<span> by Viktor Dukhovni </span> <i> at 2023-01-17T06:36:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Avoid unnecessary printf warnings in EventLog.c
Fixes #22778
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/003b6d4460c08b15a45a6ff04bc77fcf8e3f6633" style="color: #1068bf;">003b6d44</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-01-17T16:33:05-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Document the semantics of pattern bindings a bit better
This MR is in response to the discussion on #22719
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f4d50bafb7e14f76273aaf6f634815d5628ccc86" style="color: #1068bf;">f4d50baf</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2023-01-17T16:33:41-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Hadrian: fix warnings (#22783)
This change fixes the following warnings when building Hadrian:
src/Hadrian/Expression.hs:38:10: warning: [-Wredundant-constraints]
src/Hadrian/Expression.hs:84:13: warning: [-Wtype-equality-requires-operators]
src/Hadrian/Expression.hs:84:21: warning: [-Wtype-equality-requires-operators]
src/Hadrian/Haskell/Cabal/Parse.hs:67:1: warning: [-Wunused-imports]
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/06036d931f51554305ba10add47e702d959619be" style="color: #1068bf;">06036d93</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2023-01-18T01:55:10-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>testsuite: req_smp --> req_target_smp, req_ghc_smp
See #22630 and !9552
This commit:
- splits req_smp into req_target_smp and req_ghc_smp
- changes the testsuite driver to calculate req_ghc_smp
- changes a handful of tests to use req_target_smp instead of req_smp
- changes a handful of tests to use req_host_smp when needed
The problem:
- the problem this solves is the ambiguity surrounding req_smp
- on master req_smp was used to express the constraint that the program
being compiled supports smp _and_ that the host RTS (i.e., the RTS used
to compile the program) supported smp. Normally that is fine, but in
cross compilation this is not always the case as was discovered in #22630.
The solution:
- Differentiate the two constraints:
- use req_target_smp to say the RTS the compiled program is linked
with (and the platform) supports smp
- use req_host_smp to say the RTS the host is linked with supports smp
WIP: fix req_smp (target vs ghc)
add flag to separate bootstrapper
split req_smp -> req_target_smp and req_ghc_smp
update tests smp flags
cleanup and add some docstrings
only set ghc_with_smp to bootstrapper on S1 or CC
Only set ghc_with_smp to bootstrapperWithSMP of when testing stage 1
and cross compiling
test the RTS in config/ghc not hadrian
re-add ghc_with_smp
fix and align req names
fix T11760 to use req_host_smp
test the rts directly, avoid python 3.5 limitation
test the compiler in a try block
align out of tree and in tree withSMP flags
mark failing tests as host req smp
testsuite: req_host_smp --> req_ghc_smp
Fix ghc vs host, fix ghc_with_smp leftover
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ee9b78aa17e1eb81b3c4aa6a5ce324de49530e92" style="color: #1068bf;">ee9b78aa</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2023-01-18T01:55:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Use -Wdefault when running Python testdriver (#22727)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e9c0537cfbf7b47c64f592f529e402358b66ca7f" style="color: #1068bf;">e9c0537c</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2023-01-18T01:56:22-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Enable -Wstar-is-type by default (#22759)
Following the plan in GHC Proposal #143 "Remove the * kind syntax",
which states:
In the next release (or 3 years in), enable -fwarn-star-is-type by default.
The "next release" happens to be 9.6.1
I also moved the T21583 test case from should_fail to should_compile,
because the only reason it was failing was -Werror=compat in our test
suite configuration.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4efee43db5090aac4dde1293357bdb548ae71c24" style="color: #1068bf;">4efee43d</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2023-01-18T01:56:59-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add missing parenthesizeHsType in cvtSigTypeKind
We need to ensure that the output of `cvtSigTypeKind` is parenthesized (at
precedence `sigPrec`) so that any type signatures with an outermost, explicit
kind signature can parse correctly.
Fixes #22784.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f891a442046d8a5ebf4d4777847880ce06752b18" style="color: #1068bf;">f891a442</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-18T07:28:00-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump ghc-tarballs to fix #22497
It turns out that gmp 6.2.1 uses the platform-reserved `x18` register on
AArch64/Darwin. This was fixed in upstream changeset 18164:5f32dbc41afc,
which was merged in 2020. Here I backport this patch although I do hope
that a new release is forthcoming soon.
Bumps gmp-tarballs submodule.
Fixes #22497.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b13c6ea5d4b64841164f8cc58d6c6f3de390f2ed" style="color: #1068bf;">b13c6ea5</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-18T07:28:00-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump gmp-tarballs submodule
This backports the upstream fix for CVE-2021-43618, fixing #22789.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c45a5fffef2c76efbf5d3a009c3f6d0244a63f0d" style="color: #1068bf;">c45a5fff</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-18T07:28:37-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix typo in recent darwin tests fix
Corrects a typo in !9647. Otherwise T18623 will still fail on darwin
and stall other people's work.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b4c14c4ba17b3abf3e7b88e1201ac7ba89fd56c9" style="color: #1068bf;">b4c14c4b</a></strong>
<div>
<span> by Luite Stegeman </span> <i> at 2023-01-18T14:21:42-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add PrimCallConv support to GHCi
This adds support for calling Cmm code from bytecode using the native
calling convention, allowing modules that use `foreign import prim`
to be loaded and debugged in GHCi.
This patch introduces a new `PRIMCALL` bytecode instruction and
a helper stack frame `stg_primcall`. The code is based on the
existing functionality for dealing with unboxed tuples in bytecode,
which has been generalised to handle arbitrary calls.
Fixes #22051
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d0a63ef874ea859c1b6da0df60e68e1f45c4bc56" style="color: #1068bf;">d0a63ef8</a></strong>
<div>
<span> by Adam Gundry </span> <i> at 2023-01-18T14:22:26-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Refactor warning flag parsing to add missing flags
This adds `-Werror=<group>` and `-fwarn-<group>` flags for warning
groups as well as individual warnings. Previously these were defined
on an ad hoc basis so for example we had `-Werror=compat` but not
`-Werror=unused-binds`, whereas we had `-fwarn-unused-binds` but not
`-fwarn-compat`. Fixes #22182.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7ed1b8ef128866354e781265ee30a0a16444b862" style="color: #1068bf;">7ed1b8ef</a></strong>
<div>
<span> by Adam Gundry </span> <i> at 2023-01-18T14:22:26-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Minor corrections to comments
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5389681edbcab4009c41761221943b05ad1004b7" style="color: #1068bf;">5389681e</a></strong>
<div>
<span> by Adam Gundry </span> <i> at 2023-01-18T14:22:26-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Revise warnings documentation in user's guide
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ab0d5cdaa5505e5b774b04b9f68dcbbc7ce1071e" style="color: #1068bf;">ab0d5cda</a></strong>
<div>
<span> by Adam Gundry </span> <i> at 2023-01-18T14:22:26-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Move documentation of deferred type error flags out of warnings section
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/eb5a6b91e02b48f9171217743e3417cb33eb92e3" style="color: #1068bf;">eb5a6b91</a></strong>
<div>
<span> by John Ericson </span> <i> at 2023-01-18T22:24:10-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Give the RTS it's own configure script
Currently it doesn't do much anything, we are just trying to introduce
it without breaking the build. Later, we will move functionality from
the top-level configure script over to it.
We need to bump Cabal for https://github.com/haskell/cabal/pull/8649; to
facilitate and existing hack of skipping some configure checks for the
RTS we now need to skip just *part* not *all* of the "post configure"
hook, as running the configure script (which we definitely want to do)
is also implemented as part of the "post configure" hook. But doing this
requires exposing functionality that wasn't exposed before.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/32ab07bf3d6ce45e8ea5b55e8095174a6b42a7f0" style="color: #1068bf;">32ab07bf</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-01-18T22:24:51-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ghc package does not have to depend on terminfo
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/981ff7c4d0e0dd1f4cf721ceb3e99128e442f9fc" style="color: #1068bf;">981ff7c4</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-01-18T22:24:51-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ghc-pkg does not have to depend on terminfo
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f058e3672b969f301b6b1637f8ab081654ec947a" style="color: #1068bf;">f058e367</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-18T22:25:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>nativeGen/X86: MFENCE is unnecessary for release semantics
In #22764 a user noticed that a program implementing a simple atomic
counter via an STRef regressed significantly due to the introduction of
necessary atomic operations in the MutVar# primops (#22468). This
regression was caused by a bug in the NCG, which emitted an unnecessary
MFENCE instruction for a release-ordered atomic write. MFENCE is rather
only needed to achieve sequentially consistent ordering.
Fixes #22764.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/154889dbfbef62ad58a28df4171bf767cc690c2a" style="color: #1068bf;">154889db</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2023-01-18T22:26:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add regression test for #22151
Issue #22151 was coincidentally fixed in commit
aed1974e92366ab8e117734f308505684f70cddf (`Refactor the treatment of loopy
superclass dicts`). This adds a regression test to ensure that the issue
remains fixed.
Fixes #22151.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/14b5982a3aea351e4b01c5804ebd4d4629ba6bab" style="color: #1068bf;">14b5982a</a></strong>
<div>
<span> by Andrei Borzenkov </span> <i> at 2023-01-18T22:26:43-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix printing of promoted MkSolo datacon (#22785)
Problem: In 2463df2f, the Solo data constructor was renamed to MkSolo,
and Solo was turned into a pattern synonym for backwards compatibility.
Since pattern synonyms can not be promoted, the old code that pretty-printed
promoted single-element tuples started producing ill-typed code:
t :: Proxy ('Solo Int)
This fails with "Pattern synonym ‘Solo’ used as a type"
The solution is to track the distinction between type constructors and data
constructors more carefully when printing single-element tuples.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1fe806d33b7ef5615bec47bacc76a9e84963dd54" style="color: #1068bf;">1fe806d3</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-23T04:48:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: add hi_core flavour transformer
The hi_core flavour transformer enables -fwrite-if-simplified-core for
stage1 libraries, which emit core into interface files to make it
possible to restart code generation. Building boot libs with it makes
it easier to use GHC API to prototype experimental backends that needs
core/stg at link time.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/317cad26585f0e91c8e3bd41ddbc3444b642b16b" style="color: #1068bf;">317cad26</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-23T04:48:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: add missing docs for recently added flavour transformers
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/658f4446964c01e804ed5cff59fa3ceac3f9619d" style="color: #1068bf;">658f4446</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-23T04:49:23-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>gitlab-ci: Add Rocky8 jobs
Addresses #22268.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a83ec778e44efcd4b56ce81ea0a183e6e73f026b" style="color: #1068bf;">a83ec778</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2023-01-23T04:49:58-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Set "since: 9.8" for TypeAbstractions and -Wterm-variable-capture
These flags did not make it into the 9.6 release series,
so the "since" annotations must be corrected.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fec7c2ea8242773b53b253d9536426f743443944" style="color: #1068bf;">fec7c2ea</a></strong>
<div>
<span> by Alan Zimmerman </span> <i> at 2023-01-23T04:50:33-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>EPA: Add SourceText to HsOverLabel
To be able to capture string literals with possible escape codes as labels.
Close #22771
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3efd1e9934d9896e6c816e6cafb41b6872e3015b" style="color: #1068bf;">3efd1e99</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-23T04:51:08-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>template-haskell: Bump version to 2.20.0.0
Updates `text` and `exceptions` submodules for bounds bumps.
Addresses #22767.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0900b58432c0e42263c62b0e151b0268129a290a" style="color: #1068bf;">0900b584</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-23T04:51:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: disable alloca for in-tree GMP on wasm32
When building in-tree GMP for wasm32, disable its alloca usage, since
it may potentially cause stack overflow (e.g. #22602).
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/db0f1bfd0cada59d8a8673e98fc40e8b9c11a9c5" style="color: #1068bf;">db0f1bfd</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-23T04:52:21-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Bump process submodule
Includes a critical fix for wasm32, see
https://github.com/haskell/process/pull/272 for details. Also changes
the existing cross test to include process stuff and avoid future
regression here.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9222b167f4ed91f243e300160ba9489eef6152b3" style="color: #1068bf;">9222b167</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-23T04:52:57-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ghcup metadata: Fix subdir for windows bindist
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9a9bec5762920306656113f2a6e676adf6c65e23" style="color: #1068bf;">9a9bec57</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-01-23T04:52:57-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ghcup metadata: Remove viPostRemove field from generated metadata
This has been removed from the downstream metadata.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/82884ce063180a39afed163590738f7095394583" style="color: #1068bf;">82884ce0</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-01-23T04:53:32-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix #22742
runtimeRepLevity_maybe was panicing unnecessarily; and
the error printing code made use of the case when it should
return Nothing rather than panicing.
For some bizarre reason perf/compiler/T21839r shows a 10% bump in runtime
peak-megagbytes-used, on a single architecture (alpine). See !9753 for
commentary, but I'm going to accept it.
Metric Increase:
T21839r
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c4176370747fe90f848319dd47da1f58f4f795e6" style="color: #1068bf;">c4176370</a></strong>
<div>
<span> by Richard Eisenberg </span> <i> at 2023-01-23T18:00:14-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Do newtype unwrapping in the canonicaliser and rewriter
See Note [Unwrap newtypes first], which has the details.
Close #22519.
</pre>
</li>
</ul>
<h4 style="margin-top: 10px; margin-bottom: 10px;">
30 changed files:
</h4>
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