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<h3 style="margin-top: 20px; margin-bottom: 10px;">
Ben Gamari pushed to branch wip/T22861 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/5618fc21dc480f88ac7cbe14337e72c92b8001d7" style="color: #1068bf;">5618fc21</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-01-31T15:51:06-05:00 </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;'>Cmm: track the type of global registers
This patch tracks the type of Cmm global registers. This is needed
in order to lint uses of polymorphic registers, such as SIMD vector
registers that can be used both for floating-point and integer values.
This changes allows us to refactor VanillaReg to not store VGcPtr,
as that information is instead stored in the type of the usage of the
register.
Fixes #22297
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/78b9943073ae2e3afe3fd638a938e18b65cc3ef3" style="color: #1068bf;">78b99430</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-01-31T15:51:06-05:00 </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;'>Revert "Cmm Lint: relax SIMD register assignment check"
This reverts commit 3be48877, which weakened a Cmm Lint check involving
SIMD vectors. Now that we keep track of the type a global register is
used at, we can restore the original stronger check.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/be417a47c7695998dea0adc05489a7b8838a78b6" style="color: #1068bf;">be417a47</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T15:51:45-05:00 </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;'>nativeGen/AArch64: Fix debugging output
Previously various panics would rely on a half-written Show
instance, leading to very unhelpful errors. Fix this.
See #22798.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/30989d137b8f3a8fddbfd116e04b48f23c24f86c" style="color: #1068bf;">30989d13</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T15:51:45-05:00 </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;'>nativeGen: Teach graph-colouring allocator that x18 is unusable
Previously trivColourable for AArch64 claimed that at 18 registers were
trivially-colourable. This is incorrect as x18 is reserved by the platform on
AArch64/Darwin.
See #22798.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7566fd9de38c67360c090f828923d41587af519c" style="color: #1068bf;">7566fd9d</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T15:51:45-05:00 </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;'>nativeGen/AArch64: Fix graph-colouring allocator
Previously various `Instr` queries used by the graph-colouring allocator
failed to handle a few pseudo-instructions. This manifested in compiler
panicks while compiling `SHA`, which uses `-fregs-graph`.
Fixes #22798.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2cb500a5ee1a31dfe1a2cdd71f175442026eb082" style="color: #1068bf;">2cb500a5</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T15:51:45-05:00 </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;'>testsuite: Add regression test for #22798
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/03d693b20a40bb7e86955889b25ae80b531cffae" style="color: #1068bf;">03d693b2</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T15:52:32-05:00 </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;'>Revert "Hadrian: fix doc generation"
This is too large of a hammer.
This reverts commit 5640cb1d84d3cce4ce0a9e90d29b2b20d2b38c2f.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f838815c365773a8107bf035a8ec27b8ff6ecc8b" style="color: #1068bf;">f838815c</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T15:52:32-05:00 </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;'>hadrian: Sphinx docs require templated cabal files
The package-version discovery logic in
`doc/users_guide/package_versions.py` uses packages' cabal files to
determine package versions. Teach Sphinx about these dependencies in
cases where the cabal files are generated by templates.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2e48c19a7faf975318e954faea26f37deb763ac0" style="color: #1068bf;">2e48c19a</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T15:52:32-05:00 </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;'>hadrian: Refactor templating logic
This refactors Hadrian's autoconf-style templating logic to be explicit
about which interpolation variables should be substituted in which
files. This clears the way to fix #22714 without incurring rule cycles.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/93f0e3c49cea484bd6e838892ff8702ec51f34c3" style="color: #1068bf;">93f0e3c4</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T15:52:33-05:00 </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;'>hadrian: Substitute LIBRARY_*_VERSION variables
This teaches Hadrian to substitute the `LIBRARY_*_VERSION` variables
in `libraries/prologue.txt`, fixing #22714.
Fixes #22714.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/22089f693cf6e662a58a7011adb94d7f768ad2d7" style="color: #1068bf;">22089f69</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-01-31T20:46:27-05:00 </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;'>Bump transformers submodule to 0.6.0.6
Fixes #22862.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f0eefa3cf058879246991747dcd18c811402f9e5" style="color: #1068bf;">f0eefa3c</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-01-31T20:47:03-05:00 </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;'>compiler: properly handle non-word-sized CmmSwitch scrutinees in the wasm NCG
Currently, the wasm NCG has an implicit assumption: all CmmSwitch
scrutinees are 32-bit integers. This is not always true; #22864 is one
counter-example with a 64-bit scrutinee. This patch fixes the logic by
explicitly converting the scrutinee to a word that can be used as a
br_table operand. Fixes #22871. Also includes a regression test.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9f95db54e38b21782d058043abe42fd77abfb9ad" style="color: #1068bf;">9f95db54</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-02-01T08:55:08+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;'>Improve treatment of type applications in patterns
This patch fixes a subtle bug in the typechecking of type
applications in patterns, e.g.
f (MkT @Int @a x y) = ...
See Note [Type applications in patterns] in GHC.Tc.Gen.Pat.
This fixes #19847, #22383, #19577, #21501
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/955a99ea28a0d06de67f0595d366450281aab0c0" style="color: #1068bf;">955a99ea</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-02-01T12:31:23-05:00 </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;'>Treat existentials correctly in dubiousDataConInstArgTys
Consider (#22849)
data T a where
MkT :: forall k (t::k->*) (ix::k). t ix -> T @k a
Then dubiousDataConInstArgTys MkT [Type, Foo] should return
[Foo (ix::Type)]
NOT [Foo (ix::k)]
A bit of an obscure case, but it's an outright bug, and the fix is easy.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0cc16aaf89d7dc3963764b7193ceac73e4e3329b" style="color: #1068bf;">0cc16aaf</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-01T12:31:58-05:00 </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;'>Bump supported LLVM range from 10 through 15 to 11 through 16
LLVM 15 turns on the new pass manager by default, which we have yet to
migrate to so for new we pass the `-enable-new-pm-0` flag in our
llvm-passes flag.
LLVM 11 was the first version to support the `-enable-new-pm` flag so we
bump the lowest supported version to 11.
Our CI jobs are using LLVM 12 so they should continue to work despite
this bump to the lower bound.
Fixes #21936
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f94f14502a00824d48cef69d362774a9a4bfc6d6" style="color: #1068bf;">f94f1450</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-01T12:31:58-05:00 </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;'>Bump DOCKER_REV to use alpine image without LLVM installed
alpine_3_12 only supports LLVM 10, which is now outside the supported
version range.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/083e26ed6364e444b41e6693410cb549b188da38" style="color: #1068bf;">083e26ed</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-01T17:43:21-05:00 </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;'>Remove tracing OPTIONS_GHC
These were accidentally left over from !9542
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/354aa47d313113855aff9e5c5476fcb56f80e3bf" style="color: #1068bf;">354aa47d</a></strong>
<div>
<span> by Teo Camarasu </span> <i> at 2023-02-01T17:44:00-05:00 </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;'>doc: fix gcdetails_block_fragmentation_bytes since annotation
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/61ce5bf6b930f2f91471f36a26bcaddea279b515" style="color: #1068bf;">61ce5bf6</a></strong>
<div>
<span> by Jaro Reinders </span> <i> at 2023-02-02T00:15:30-05:00 </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;'>compiler: Implement higher order patterns in the rule matcher
This implements proposal 555 and closes ticket #22465.
See the proposal and ticket for motivation.
The core changes of this patch are in the GHC.Core.Rules.match function
and they are explained in the Note [Matching higher order patterns].
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/394b91ce859653231813fb9af77c26664063c1b6" style="color: #1068bf;">394b91ce</a></strong>
<div>
<span> by doyougnu </span> <i> at 2023-02-02T00:16:10-05:00 </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;'>CI: JavaScript backend runs testsuite
This MR runs the testsuite for the JS backend. Note that this is a
temporary solution until !9515 is merged.
Key point: The CI runs hadrian on the built cross compiler _but not_ on
the bindist.
Other Highlights:
- stm submodule gets a bump to mark tests as broken
- several tests are marked as broken or are fixed by adding more
- conditions to their test runner instance.
List of working commit messages:
CI: test cross target _and_ emulator
CI: JS: Try run testsuite with hadrian
JS.CI: cleanup and simplify hadrian invocation
use single bracket, print info
JS CI: remove call to test_compiler from hadrian
don't build haddock
JS: mark more tests as broken
Tracked in https://gitlab.haskell.org/ghc/ghc/-/issues/22576
JS testsuite: don't skip sum_mod test
Its expected to fail, yet we skipped it which automatically makes it
succeed leading to an unexpected success,
JS testsuite: don't mark T12035j as skip
leads to an unexpected pass
JS testsuite: remove broken on T14075
leads to unexpected pass
JS testsuite: mark more tests as broken
JS testsuite: mark T11760 in base as broken
JS testsuite: mark ManyUnbSums broken
submodules: bump process and hpc for JS tests
Both submodules has needed tests skipped or marked broken for th JS
backend. This commit now adds these changes to GHC.
See:
HPC: https://gitlab.haskell.org/hpc/hpc/-/merge_requests/21
Process: https://github.com/haskell/process/pull/268
remove js_broken on now passing tests
separate wasm and js backend ci
test: T11760: add threaded, non-moving only_ways
test: T10296a add req_c
T13894: skip for JS backend
tests: jspace, T22333: mark as js_broken(22573)
test: T22513i mark as req_th
stm submodule: mark stm055, T16707 broken for JS
tests: js_broken(22374) on unpack_sums_6, T12010
dont run diff on JS CI, cleanup
fixup: More CI cleanup
fix: align text to master
fix: align exceptions submodule to master
CI: Bump DOCKER_REV
Bump to ci-images commit that has a deb11 build with node. Required for
!9552
testsuite: mark T22669 as js_skip
See #22669
This test tests that .o-boot files aren't created when run in using the
interpreter backend. Thus this is not relevant for the JS backend.
testsuite: mark T22671 as broken on JS
See #22835
base.testsuite: mark Chan002 fragile for JS
see #22836
revert: submodule process bump
bump stm submodule
New hash includes skips for the JS backend.
testsuite: mark RnPatternSynonymFail broken on JS
Requires TH:
- see !9779
- and #22261
compiler: GHC.hs ifdef import Utils.Panic.Plain
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1ffe770c8d8c5c42edcf1558242f39431f72b965" style="color: #1068bf;">1ffe770c</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-02-02T09:40:38+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;'>docs: 9.6 release notes for wasm backend
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0ada454703560b733fe3c920b87496ac1238c29e" style="color: #1068bf;">0ada4547</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-02T11:39:44-05:00 </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;'>Disable unfolding sharing for interface files with core definitions
Ticket #22807 pointed out that the RHS sharing was not compatible with
-fignore-interface-pragmas because the flag would remove unfoldings from
identifiers before the `extra-decls` field was populated.
For the 9.6 timescale the only solution is to disable this sharing,
which will make interface files bigger but this is acceptable for the
first release of `-fwrite-if-simplified-core`.
For 9.8 it would be good to fix this by implementing #20056 due to the
large number of other bugs that would fix.
I also improved the error message in tc_iface_binding to avoid the "no match
in record selector" error but it should never happen now as the entire
sharing logic is disabled.
Also added the currently broken test for #22807 which could be fixed by
!6080
Fixes #22807
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7e2d3eb507da184cf3337d36715fd82a81643d91" style="color: #1068bf;">7e2d3eb5</a></strong>
<div>
<span> by lrzlin </span> <i> at 2023-02-03T05:23:27-05:00 </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;'>Enable tables next to code for LoongArch64
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2931712a127423c0ab7ac94c7d96dfa8d6c446b6" style="color: #1068bf;">2931712a</a></strong>
<div>
<span> by Wander Hillen </span> <i> at 2023-02-03T05:24:06-05:00 </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;'>Move pthread and timerfd ticker implementations to separate files
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/41c4baf84e8bf77588be92ef5d4c72add3971656" style="color: #1068bf;">41c4baf8</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-03T05:24:44-05:00 </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;'>base: Fix Note references in GHC.IO.Handle.Types
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3135819847aae0cdcc6c2fca4a2234fcfed1db93" style="color: #1068bf;">31358198</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-02-03T05:25:22-05:00 </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 containers to 0.6.7
Metric Decrease:
ManyConstructors
T10421
T12425
T12707
T13035
T13379
T15164
T1969
T783
T9198
T9961
WWRec
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8feb93013cf6f093e025c9e9a3213ae1fa0f73a0" style="color: #1068bf;">8feb9301</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-03T05:25:59-05:00 </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;'>gitlab-ci: Eliminate redundant ghc --info output
Previously ci.sh would emit the output of `ghc --info` every time it ran
when using the nix toolchain. This produced a significant amount of
noise.
See #22861.</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de1d15127ac3f41ac3044215b0ea3398a36edc89" style="color: #1068bf;">de1d1512</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2023-02-03T14:07:30-05:00 </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;'>Windows: Remove mingwex dependency
The clang based toolchain uses ucrt as its math library
and so mingwex is no longer needed. In fact using mingwex
will cause incompatibilities as the default routines in both
have differing ULPs and string formatting modifiers.
```
$ LIBRARY_PATH=/mingw64/lib ghc/_build/stage1/bin/ghc Bug.hs -fforce-recomp && ./Bug.exe
[1 of 2] Compiling Main ( Bug.hs, Bug.o )
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `__imp___p__environ'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `__hscore_get_errno'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_ForeignziCziError_errnoToIOError_info'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziWindows_failIf2_closure'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziIOziEncodingziCodePageziAPI_mkCodePageEncoding_info'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziIOziEncodingziCodePage_currentCodePage_closure'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziIOziEncoding_getForeignEncoding_closure'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_ForeignziCziString_withCStringLen1_info'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziIOziHandleziInternals_zdwflushCharReadBuffer_info'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziIOziHandleziText_hGetBuf1_info'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziFingerprint_fingerprintString_closure'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_DataziTypeableziInternal_mkTrCon_closure'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziException_errorCallWithCallStackException_closure'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\base-4.17.0.0\libHSbase-4.17.0.0.a: unknown symbol `base_GHCziErr_error_info'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\template-haskell-2.19.0.0\libHStemplate-haskell-2.19.0.0.a: unknown symbol `base_DataziMaybe_fromJust1_info'
ghc.exe: | C:\Users\winferno\Software\ghc\_build\stage1\lib\x86_64-windows-ghc-9.5.20220908\template-haskell-2.19.0.0\libHStemplate-haskell-2.19.0.0.a: unknown symbol `templatezmhaskell_LanguageziHaskellziTHziSyntax_IntPrimL_con_info'
ghc.exe: ^^ Could not load 'templatezmhaskell_LanguageziHaskellziTHziLibziInternal_stringL_closure', dependency unresolved. See top entry above.
<no location info>: error:
GHC.ByteCode.Linker.lookupCE
During interactive linking, GHCi couldn't find the following symbol:
templatezmhaskell_LanguageziHaskellziTHziLibziInternal_stringL_closure
This may be due to you not asking GHCi to load extra object files,
archives or DLLs needed by your current session. Restart GHCi, specifying
the missing library using the -L/path/to/object/dir and -lmissinglibname
flags, or simply by naming the relevant files on the GHCi command line.
Alternatively, this link failure might indicate a bug in GHCi.
If you suspect the latter, please report this as a GHC bug:
https://www.haskell.org/ghc/reportabug
```
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/48e391952c17ff7eab10b0b1456e3f2a2af28a9b" style="color: #1068bf;">48e39195</a></strong>
<div>
<span> by Tamar Christina </span> <i> at 2023-02-03T14:07:30-05:00 </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;'>linker: Fix BFD import libraries
This commit fixes the BFD style import library support in the runtime
linker. This was accidentally broken during the refactoring to clang
and went unnoticed because clang itself is unable to generate the BFD
style import libraries.
With this change we can not link against both GCC or Clang produced
libraries again and intermix code produced by both compilers.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b2bb3e62275cc1d9e00a2d5ed511843192133ed5" style="color: #1068bf;">b2bb3e62</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-03T14:07:30-05:00 </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;'>Bump Windows toolchain
Updates to LLVM 14, hopefully fixing #21964.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bf3f88a1a5b23bdf304baca473c3ee797c5f86bd" style="color: #1068bf;">bf3f88a1</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2023-02-03T14:08:07-05:00 </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 CallerCC potentially shadowing other cost centres.
Add a CallerCC cost centre flavour for cost centres added by the
CallerCC pass. This avoids potential accidental shadowing between
CCs added by user annotations and ones added by CallerCC.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/faea4bcdf4e71120a5480530fb1879e4439ed512" style="color: #1068bf;">faea4bcd</a></strong>
<div>
<span> by j </span> <i> at 2023-02-03T14:08:47-05:00 </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;'>Disable several ignore-warning flags in genapply.</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25537dfda4ae59bc0321b229ca9ff924ef64d1fa" style="color: #1068bf;">25537dfd</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-04T04:12:57-05:00 </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;'>Revert "Use fix-sized bit-fiddling primops for fixed size boxed types"
This reverts commit 4512ad2d6a8e65ea43c86c816411cb13b822f674.
This was never applied to master/9.6 originally.
(cherry picked from commit a44bdc2720015c03d57f470b759ece7fab29a57a)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7612dc713d5a1f108cfd6eb731435b090fbb8809" style="color: #1068bf;">7612dc71</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2023-02-04T04:13:34-05:00 </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;'>Minor refactor
* Introduce refactorDupsOn f = refactorDups (comparing f)
* Make mkBigTupleCase and coreCaseTuple monadic.
Every call to those functions was preceded by calling newUniqueSupply.
* Use mkUserLocalOrCoVar, which is equivalent to combining
mkLocalIdOrCoVar with mkInternalName.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5a54ac0b2b915889950c83e04bf1beb08631891e" style="color: #1068bf;">5a54ac0b</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-02-04T18:48:32-05:00 </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 colors in emacs terminal
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3c0f0c6d99486502c72e6514a40e7264baaa6afc" style="color: #1068bf;">3c0f0c6d</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-02-04T18:49:11-05:00 </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;'>base changelog: move entries which were not backported to ghc-9.6 to base-4.19 section
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b18fbf52f98d0128c52b3a90ddca727a6d5d4d45" style="color: #1068bf;">b18fbf52</a></strong>
<div>
<span> by Josh Meredith </span> <i> at 2023-02-06T07:47:57+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;'>Update JavaScript fileStat to match Emscripten layout
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6636b670233522f01d002c9b97827d00289dbf5c" style="color: #1068bf;">6636b670</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2023-02-06T09:43:21-05:00 </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;'>JS: replace "js" architecture with "javascript"
Despite Cabal supporting any architecture name, `cabal --check` only
supports a few built-in ones. Sadly `cabal --check` is used by Hackage
hence using any non built-in name in a package (e.g. `arch(js)`) is
rejected and the package is prevented from being uploaded on Hackage.
Luckily built-in support for the `javascript` architecture was added for
GHCJS a while ago. In order to allow newer `base` to be uploaded on
Hackage we make the switch from `js` to `javascript` architecture.
Fixes #22740.
Co-authored-by: Ben Gamari <ben@smart-cactus.org>
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/77a8234c5d284846e18c0a44ba5ee196059aaea6" style="color: #1068bf;">77a8234c</a></strong>
<div>
<span> by Luite Stegeman </span> <i> at 2023-02-06T09:43:59-05:00 </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;'>Fix marking async exceptions in the JS backend
Async exceptions are posted as a pair of the exception and
the thread object. This fixes the marking pass to correctly
follow the two elements of the pair.
Potentially fixes #22836
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3e09cf82ad111e0a6feed81b726849ceaaf3c805" style="color: #1068bf;">3e09cf82</a></strong>
<div>
<span> by Jan Hrček </span> <i> at 2023-02-06T09:44:38-05:00 </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;'>Remove extraneous word in Roles user guide
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b17fb3d96bd2e9f3bf96392f3b3b3e0aed7fe276" style="color: #1068bf;">b17fb3d9</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-02-07T10:51:33-05:00 </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;'>Don't allow . in overloaded labels
This patch removes . from the list of allowed characters in a non-quoted
overloaded label, as it was realised this steals syntax, e.g. (#.).
Users who want this functionality will have to add quotes around the
label, e.g. `#"17.28"`.
Fixes #22821
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5dce04ee039ff24c403ac451d920b1eb22488505" style="color: #1068bf;">5dce04ee</a></strong>
<div>
<span> by romes </span> <i> at 2023-02-07T10:52:10-05:00 </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;'>Update kinds in comments in GHC.Core.TyCon
Use `Type` instead of star kind (*)
Fix comment with incorrect kind * to have kind `Constraint`
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/929161943f19e1673288adc83d165ddc99865798" style="color: #1068bf;">92916194</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-07T10:52:48-05:00 </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 "Use fix-sized equality primops for fixed size boxed types"
This reverts commit 024020c38126f3ce326ff56906d53525bc71690c.
This was never applied to master/9.6 originally.
See #20405 for why using these primops is a bad idea.
(cherry picked from commit b1d109ad542e4c37ae5af6ace71baf2cb509d865)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c1670c6bb0be68942f1e469334f2004544da6635" style="color: #1068bf;">c1670c6b</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2023-02-07T21:25:18-05:00 </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: avoid head/tail and unpackFS
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a9912de75400b7006fc2eb6cb31c9bf5ae6dacd6" style="color: #1068bf;">a9912de7</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2023-02-07T21:25:53-05:00 </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;'>testsuite: Fix Python warnings (#22856)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9ee761bf02cdd11c955454a222c85971d95dce11" style="color: #1068bf;">9ee761bf</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-02-08T14:40:40-05:00 </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;'>Fix tyvar scoping within class SPECIALISE pragmas
Type variables from class/instance headers scope over class/instance
method type signatures, but DO NOT scope over the type signatures in
SPECIALISE and SPECIALISE instance pragmas.
The logic in GHC.Rename.Bind.rnMethodBinds correctly accounted for
SPECIALISE inline pragmas, but forgot to apply the same treatment
to method SPECIALISE pragmas, which lead to a Core Lint failure with
an out-of-scope type variable. This patch makes sure we apply the same
logic for both cases.
Fixes #22913
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7eac2468a726f217dd97c5e2884f6b552e8ef11d" style="color: #1068bf;">7eac2468</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-08T14:41:17-05:00 </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;'>Revert "Don't keep exit join points so much"
This reverts commit caced75765472a1a94453f2e5a439dba0d04a265.
It seems the patch "Don't keep exit join points so much" is causing
wide-spread regressions in the bytestring library benchmarks. If I
revert it then the 9.6 numbers are better on average than 9.4.
See https://gitlab.haskell.org/ghc/ghc/-/issues/22893#note_479525
-------------------------
Metric Decrease:
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModules
MultiLayerModulesRecomp
MultiLayerModulesTH_Make
T12150
T13386
T13719
T21839c
T3294
parsing001
-------------------------
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/633f2799e697ddaf63c4c91820c0b5a7c9b17db7" style="color: #1068bf;">633f2799</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-02-08T18:42:16-05:00 </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;'>testsuite: remove config.use_threads
This patch simplifies the testsuite driver by removing the use_threads
config field. It's just a degenerate case of threads=1.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ca6673e3cab496bbeed2ced47b40bcf1e0d0b3cd" style="color: #1068bf;">ca6673e3</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-02-08T18:42:16-05:00 </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;'>testsuite: use concurrent.futures.ThreadPoolExecutor in the driver
The testsuite driver used to create one thread per test case, and
explicitly use semaphore and locks for rate limiting and
synchronization. This is a bad practice in any language, and
occasionally may result in livelock conditions (e.g. #22889). This
patch uses concurrent.futures.ThreadPoolExecutor for scheduling test
case runs, which is simpler and more robust.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f22cce70dc7b9da191a023a9677eaea491bb2688" style="color: #1068bf;">f22cce70</a></strong>
<div>
<span> by Alan Zimmerman </span> <i> at 2023-02-08T18:42:51-05:00 </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;'>EPA: Comment between module and where should be in header comments
Do not apply the heuristic to associate a comment with a prior
declaration for the first declaration in the file.
Closes #22919
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d69ecac2326542534faf8ec5680f54b3a5b8e4da" style="color: #1068bf;">d69ecac2</a></strong>
<div>
<span> by Josh Meredith </span> <i> at 2023-02-09T03:24:05-05:00 </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;'>JS generated refs: update testsuite conditions
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2ea1a6bc7d7c2946b4a3d1c2c19083e09401f9f1" style="color: #1068bf;">2ea1a6bc</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-02-09T03:24:44-05:00 </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;'>Bump transformers to 0.6.1.0
This allows us to avoid orphans for Foldable1 instances,
fixing #22898.
Updates transformers submodule.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d9d0c28d3d9508d33e531d3d4ce854333a4df520" style="color: #1068bf;">d9d0c28d</a></strong>
<div>
<span> by konsumlamm </span> <i> at 2023-02-09T14:07:48-05:00 </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 `Data.List.singleton` doc comment</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fe9cd6ef1a07d214b76bc286875cbf15985d9a7b" style="color: #1068bf;">fe9cd6ef</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-09T14:08:23-05:00 </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-template: Emphasize `user facing` label
My sense is that the current mention of the ~"user facing" label is
overlooked by many MR authors.
Let's move this point up in the list to make it more likely that it is
seen. Also rephrase some of the points.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e45eb82830d6de4d09abb548e190be980dd001b4" style="color: #1068bf;">e45eb828</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-02-10T06:51:28-05:00 </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;'>Refactor the simplifier a bit to fix #22761
The core change in this commit, which fixes #22761, is that
* In a Core rule, ru_rhs is always occ-analysed.
This means adding a couple of calls to occurAnalyseExpr when
building a Rule, in
* GHC.Core.Rules.mkRule
* GHC.Core.Opt.Simplify.Iteration.simplRules
But diagosing the bug made me stare carefully at the code of the
Simplifier, and I ended up doing some only-loosely-related refactoring.
* I think that RULES could be lost because not every code path
did addBndrRules
* The code around lambdas was very convoluted
It's mainly moving deck chairs around, but I like it more now.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/11e0cacb039cee4198cd6043ab0d9e08332d4d8a" style="color: #1068bf;">11e0cacb</a></strong>
<div>
<span> by Rebecca Turner </span> <i> at 2023-02-10T06:52:09-05:00 </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;'>Detect the `mold` linker
Enables support for the `mold` linker by rui314.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/59556235a8d216b6274ad7966b70b585f585cdaa" style="color: #1068bf;">59556235</a></strong>
<div>
<span> by parsonsmatt </span> <i> at 2023-02-10T09:53:11-05:00 </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 Lift instance for Fixed
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c44e5f30caca390441e6efa7b9bdab4e698afd31" style="color: #1068bf;">c44e5f30</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2023-02-10T09:53:51-05:00 </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;'>Testsuite: decrease length001 timeout for JS (#22921)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/133516af8426d775fa0dc75c787edd56299ee6cf" style="color: #1068bf;">133516af</a></strong>
<div>
<span> by Zubin Duggal </span> <i> at 2023-02-10T09:54:27-05:00 </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;'>compiler: Use NamedFieldPuns for `ModIface_` and `ModIfaceBackend` `NFData`
instances
This is a minor refactor that makes it easy to add and remove fields from
`ModIface_` and `ModIfaceBackend`.
Also change the formatting to make it clear exactly which fields are
fully forced with `rnf`
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1e9eac1c01077c2cd3ce5bf0e4a77c0affaf88e9" style="color: #1068bf;">1e9eac1c</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-13T11:36:41+01:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Refresh profiling docs
I went through the whole of the profiling docs and tried to amend them
to reflect current best practices and tooling. In particular I removed
some old references to tools such as hp2any and replaced them with
references to eventlog2html.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/da208b9aa03eaeec34528a7815d4d3451c106e18" style="color: #1068bf;">da208b9a</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-13T11:36:41+01:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>docs: Add section about profiling and foreign calls
Previously there was no documentation for how foreign calls interacted
with the profiler. This can be quite confusing for users so getting it
into the user guide is the first step to a potentially better solution.
See the ticket for more insightful discussion.
Fixes #21764
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/081640f1e0b5a9def306f3e13c1825fef5403c95" style="color: #1068bf;">081640f1</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-02-13T12:51:52-05:00 </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;'>Document that -fproc-alignment was introduced only in GHC 8.6
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/16adc349b7f1d7185a74eedc2e3e3d0cffa5db84" style="color: #1068bf;">16adc349</a></strong>
<div>
<span> by Sven Tennie </span> <i> at 2023-02-14T11:26:31-05:00 </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;'>Add clangd flag to include generated header files
This enables clangd to correctly check C files that import Rts.h.
(The added include directory contains ghcautoconf.h et. al.)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c399ccd97892fd536abf64b03f467e8fe4cc50e5" style="color: #1068bf;">c399ccd9</a></strong>
<div>
<span> by amesgen </span> <i> at 2023-02-14T11:27:14-05:00 </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;'>Mention new `Foreign.Marshal.Pool` implementation in User's Guide
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b9282cf76f237412bae43e37c7a3deccb9fb22a1" style="color: #1068bf;">b9282cf7</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-14T11:27:50-05:00 </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;'>upload_ghc_libs: More control over which packages to operate on
Here we add a `--skip` flag to `upload_ghc_libs`, making it easier to
limit which packages to upload. This is often necessary when one package
is not uploadable (e.g. see #22740).
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aa3a262d1537b30c21a8b887385cc538440e7a44" style="color: #1068bf;">aa3a262d</a></strong>
<div>
<span> by PHO </span> <i> at 2023-02-14T11:28:29-05:00 </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;'>Assume platforms support rpaths if they use either ELF or Mach-O
Not only Linux, Darwin, and FreeBSD support rpaths. Determine the usability
of rpaths based on the object format, not on OS.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4771602447c877a4ec6e159e016668569e4a5366" style="color: #1068bf;">47716024</a></strong>
<div>
<span> by PHO </span> <i> at 2023-02-14T11:29:09-05:00 </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;'>RTS linker: Improve compatibility with NetBSD
1. Hint address to NetBSD mmap(2) has a different semantics from that of
Linux. When a hint address is provided, mmap(2) searches for a free
region at or below the hint but *never* above it. This means we can't
reliably search for free regions incrementally on the userland,
especially when ASLR is enabled. Let the kernel do it for us if we don't
care where the mapped address is going to be.
2. NetBSD not only hates to map pages as rwx, but also disallows to switch
pages from rw- to r-x unless the intention is declared when pages are
initially requested. This means we need a new MemoryAccess mode for
pages that are going to be changed to r-x.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/11de324aae17794c8753a8f7cb50c4140785fe27" style="color: #1068bf;">11de324a</a></strong>
<div>
<span> by Li-yao Xia </span> <i> at 2023-02-14T11:29:49-05:00 </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: Move changelog entry to its place
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/759304244f15992a098a924ebd93f295971da422" style="color: #1068bf;">75930424</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-14T11:30:27-05:00 </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/AArch64: Emit Atomic{Read,Write} inline
Previously the AtomicRead and AtomicWrite operations were emitted as
out-of-line calls. However, these tend to be very important for
performance, especially the RELAXED case (which only exists for
ThreadSanitizer checking).
Fixes #22115.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d6411d6cddb8c94c74e5834f0199370d189d31a2" style="color: #1068bf;">d6411d6c</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2023-02-14T11:31:04-05:00 </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;'>Fix some correctness issues around tag inference when targeting the bytecode generator.
* Let binders are now always assumed untagged for bytecode.
* Imported referenced are now always assumed to be untagged for bytecode.
Fixes #22840
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9fb4ca89bff9873e5f6a6849fa22a349c94deaae" style="color: #1068bf;">9fb4ca89</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-02-14T11:31:49-05:00 </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;'>Introduce warning for loopy superclass solve
Commit aed1974e completely re-engineered the treatment of loopy
superclass dictionaries in instance declarations. Unfortunately,
it has the potential to break (albeit in a rather minor way) user code.
To alleviate migration concerns, this commit re-introduces the old
behaviour. Any reliance on this old behaviour triggers a warning,
controlled by `-Wloopy-superclass-solve`. The warning text explains
that GHC might produce bottoming evidence, and provides a migration
strategy.
This allows us to provide a graceful migration period, alerting users
when they are relying on this unsound behaviour.
Fixes #22912 #22891 #20666 #22894 #22905
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1928c7f3e9dfc13226e8cf786a565d42df6dad41" style="color: #1068bf;">1928c7f3</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-02-14T11:32:26-05:00 </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;'>rts: make it possible to change mblock size on 32-bit targets
The MBLOCK_SHIFT macro must be the single source of truth for defining
the mblock size, and changing it should only affect performance, not
correctness. This patch makes it truly possible to reconfigure mblock
size, at least on 32-bit targets, by fixing places which implicitly
relied on the previous MBLOCK_SHIFT constant. Fixes #22901.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/78aa3b39133feb165b6e305af1b84620a450c8ef" style="color: #1068bf;">78aa3b39</a></strong>
<div>
<span> by Simon Hengel </span> <i> at 2023-02-14T11:33:06-05:00 </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;'>Update outdated references to notes
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e8baecd20cbd764a081c6195959719d4c73e65a8" style="color: #1068bf;">e8baecd2</a></strong>
<div>
<span> by meooow25 </span> <i> at 2023-02-14T11:33:49-05:00 </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;'>Documentation: Improve Foldable1 documentation
* Explain foldrMap1, foldlMap1, foldlMap1', and foldrMap1' in greater
detail, the text is mostly adapted from documentation of Foldable.
* Describe foldr1, foldl1, foldl1' and foldr1' in terms of the above
functions instead of redoing the full explanation.
* Small updates to documentation of fold1, foldMap1 and toNonEmpty,
again adapting from Foldable.
* Update the foldMap1 example to lists instead of Sum since this is
recommended for lazy right-associative folds.
Fixes #22847
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/85a1a575f9909bbfa84268a9744f22ca0f0a1593" style="color: #1068bf;">85a1a575</a></strong>
<div>
<span> by romes </span> <i> at 2023-02-14T11:34:25-05:00 </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;'>fix: Mark ghci Prelude import as implicit
Fixes #22829
In GHCi, we were creating an import declaration for Prelude but we were
not setting it as an implicit declaration. Therefore, ghci's import of
Prelude triggered -Wmissing-import-lists.
Adds regression test T22829 to testsuite
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3b019a7ac8fc9059cc3213f6f95a2daef97ca442" style="color: #1068bf;">3b019a7a</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-02-14T11:35:03-05:00 </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;'>compiler: fix generateCgIPEStub for no-tables-next-to-code builds
generateCgIPEStub already correctly implements the CmmTick finding
logic for when tables-next-to-code is on/off, but it used the wrong
predicate to decide when to switch between the two. Previously it
switches based on whether the codegen is unregisterised, but there do
exist registerised builds that disable tables-next-to-code! This patch
corrects that problem. Fixes #22896.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/08c0822c74eb97ea8a6673c6a942d9c03a169bc8" style="color: #1068bf;">08c0822c</a></strong>
<div>
<span> by doyougnu </span> <i> at 2023-02-15T00:16:39-05:00 </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;'>docs: release notes, user guide: add js backend
Follow up from #21078
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/79d8fd6581af62e72727337001029533bf55e64f" style="color: #1068bf;">79d8fd65</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2023-02-15T00:17:15-05:00 </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;'>Allow failure in nightly-x86_64-linux-deb10-no_tntc-validate
See #22343
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9ca51f9e84abc41ba590203d8bc8df8d6af86db2" style="color: #1068bf;">9ca51f9e</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-02-15T00:17:53-05:00 </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;'>rts: add the rts_clearMemory function
This patch adds the rts_clearMemory function that does its best to
zero out unused RTS memory for a wasm backend use case. See the
comment above rts_clearMemory() prototype declaration for more
detailed explanation. Closes #22920.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/26df73fb0d7a5422c209fb4f10d0e2f73f6388aa" style="color: #1068bf;">26df73fb</a></strong>
<div>
<span> by Oleg Grenrus </span> <i> at 2023-02-15T22:20:57-05:00 </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;'>Add -single-threaded flag to force single threaded rts
This is the small part of implementing
https://github.com/ghc-proposals/ghc-proposals/pull/240
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/631c6c726d6ab86be1a3aa289e1468a75fb36bf6" style="color: #1068bf;">631c6c72</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-02-16T06:43:09-05:00 </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;'>docs: add a section for the wasm backend
Fixes #22658
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1878e0bd24f619806371e460eb2f542453f4e4a7" style="color: #1068bf;">1878e0bd</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2023-02-16T06:43:47-05:00 </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;'>tests: Mark T12903 fragile everywhere
See #21184
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b9420eacab34a88df8f129f90a59e322d58cf2fd" style="color: #1068bf;">b9420eac</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2023-02-16T06:43:47-05:00 </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;'>Mark all T5435 variants as fragile
See #22970.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/df3d94bd2958b36823e8bec8786da2a6498ab1ab" style="color: #1068bf;">df3d94bd</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2023-02-16T06:44:33-05:00 </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;'>Testsuite: mark T13167 as fragile for JS (#22921)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/324e925be847d3969724be3e1b82c25899aaca27" style="color: #1068bf;">324e925b</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2023-02-16T06:45:15-05:00 </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;'>JS: disable debugging info for heap objects
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/518af81421860b982c57a87596bb8315c50abe90" style="color: #1068bf;">518af814</a></strong>
<div>
<span> by Josh Meredith </span> <i> at 2023-02-16T10:16:32-05:00 </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;'>Factor JS Rts generation for h$c{_,0,1,2} into h$c{n} and improve name caching
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/34cd308e23206e71b48e205970741746ed66ea8e" style="color: #1068bf;">34cd308e</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-02-16T10:17:08-05:00 </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;'>base: Note move of GHC.Stack.CCS.whereFrom to GHC.InfoProv in changelog
Fixes #22883.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/12965aba860676ec68cbced86eb18d6ec5cb83b3" style="color: #1068bf;">12965aba</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-02-16T10:17:46-05:00 </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;'>Narrow the dont-decompose-newtype test
Following #22924 this patch narrows the test that stops
us decomposing newtypes. The key change is the use of
noGivenNewtypeReprEqs in GHC.Tc.Solver.Canonical.canTyConApp.
We went to and fro on the solution, as you can see in #22924.
The result is carefully documented in
Note [Decomoposing newtype equalities]
On the way I had revert most of
commit 3e827c3f74ef76d90d79ab6c4e71aa954a1a6b90
Author: Richard Eisenberg <rae@cs.brynmawr.edu>
Date: Mon Dec 5 10:14:02 2022 -0500
Do newtype unwrapping in the canonicaliser and rewriter
See Note [Unwrap newtypes first], which has the details.
It turns out that
(a) 3e827c3f makes GHC behave worse on some recursive newtypes
(see one of the tests on this commit)
(b) the finer-grained test (namely noGivenNewtypeReprEqs) renders
3e827c3f unnecessary
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5b0388880e10ce53565721a9569d009d4534cbc1" style="color: #1068bf;">5b038888</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-02-16T10:18:24-05:00 </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;'>Documentation: add an example of SPEC usage
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/681e0e8ce470ec77a0db071f9fc7ec15995a0bb3" style="color: #1068bf;">681e0e8c</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-02-16T14:09:56-05:00 </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;'>No default finalizer exception handler
Commit cfc8e2e2 introduced a mechanism for handling of exceptions
that occur during Handle finalization, and 372cf730 set the default
handler to print out the error to stderr.
However, #21680 pointed out we might not want to set this by default,
as it might pollute users' terminals with unwanted information.
So, for the time being, the default handler discards the exception.
Fixes #21680
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b3ac17ad6d7f504ee7615ca67e02e5e094cf1905" style="color: #1068bf;">b3ac17ad</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-16T14:10:31-05:00 </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;'>unicode: Don't inline bitmap in generalCategory
generalCategory contains a huge literal string but is marked INLINE,
this will duplicate the string into any use site of generalCategory. In
particular generalCategory is used in functions like isSpace and the
literal gets inlined into this function which makes it massive.
https://github.com/haskell/core-libraries-committee/issues/130
Fixes #22949
-------------------------
Metric Decrease:
T4029
T18304
-------------------------
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8988eeef193f055d7b67de5aaa00590c63491fb5" style="color: #1068bf;">8988eeef</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-02-16T20:32:27-05:00 </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;'>Expand synonyms in RoughMap
We were failing to expand type synonyms in the function
GHC.Core.RoughMap.typeToRoughMatchLookupTc, even though the
RoughMap infrastructure crucially relies on type synonym expansion
to work.
This patch adds the missing type-synonym expansion.
Fixes #22985
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3dd50e2f4e3f2fac2f75b1223944dcdcc896e508" style="color: #1068bf;">3dd50e2f</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-16T20:33:03-05:00 </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;'>ghcup-metadata: Add test artifact
Add the released testsuite tarball to the generated ghcup metadata.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c6a967d9545ef5577514466f3fa6894f2899aff8" style="color: #1068bf;">c6a967d9</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-16T20:33:03-05:00 </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;'>ghcup-metadata: Use Ubuntu and Rocky bindists
Prefer to use the Ubuntu 20.04 and 18.04 binary distributions on Ubuntu
and Linux Mint. Prefer to use the Rocky 8 binary distribution on
unknown distributions.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/be0b7209c6aef22798fc4ba7baacd2099b5cb494" style="color: #1068bf;">be0b7209</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2023-02-17T09:37:16+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;'>Add INLINABLE pragmas to `generic*` functions in Data.OldList
These functions are
* recursive
* overloaded
So it's important to add an `INLINABLE` pragma to each so that they can be
specialised at the use site when the specific numeric type is known.
Adding these pragmas improves the LazyText replicate benchmark (see https://gitlab.haskell.org/ghc/ghc/-/issues/22886#note_481020)
https://github.com/haskell/core-libraries-committee/issues/129
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a203ad854ffee802e6bf0aca26e6c9a99bec3865" style="color: #1068bf;">a203ad85</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2023-02-17T15:59:16-05:00 </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;'>Merge libiserv with ghci
`libiserv` serves no purpose. As it depends on `ghci` and doesn't have
more dependencies than the `ghci` package, its code could live in the
`ghci` package too.
This commit also moves most of the code from the `iserv` program into
the `ghci` package as well so that it can be reused. This is especially
useful for the implementation of TH for the JS backend (#22261, !9779).
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7080a93fd09b71aa6c94e6336eb054e9f5592932" style="color: #1068bf;">7080a93f</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2023-02-20T12:06:32+01:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", 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 GHC.Tc.Gen.App.tcInstFun
It wasn't behaving right when inst_final=False, and the
function had no type variables
f :: Foo => Int
Rather a corner case, but we might as well do it right.
Fixes #22908
Unexpectedly, three test cases (all using :type in GHCi) got
slightly better output as a result:
T17403, T14796, T12447
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2592ab6924ee34ed0f0d82a7cb0aed393d93bb14" style="color: #1068bf;">2592ab69</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2023-02-20T10:35:30-05:00 </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;'>compiler: fix cost centre profiling breakage in wasm NCG due to incorrect register mapping
The wasm NCG used to map CCCS to a wasm global, based on the
observation that CCCS is a transient register that's already handled
by thread state load/store logic, so it doesn't need to be backed by
the rCCCS field in the register table.
Unfortunately, this is wrong, since even when Cmm execution hasn't
yielded back to the scheduler, the Cmm code may call enterFunCCS,
which does use rCCCS.
This breaks cost centre profiling in a subtle way, resulting in
inaccurate stack traces in some test cases. The fix is simple though:
just remove the CCCS mapping.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/26243de1e3716886161d79918af9359f7639314b" style="color: #1068bf;">26243de1</a></strong>
<div>
<span> by Alexis King </span> <i> at 2023-02-20T15:27:17-05:00 </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;'>Handle top-level Addr# literals in the bytecode compiler
Fixes #22376.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0196cc2ba8f848187be47b5fc53bab89e5026bf6" style="color: #1068bf;">0196cc2b</a></strong>
<div>
<span> by romes </span> <i> at 2023-02-20T15:27:52-05:00 </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;'>fix: Explicitly flush stdout on plugin
Because of #20791, the plugins tests often fail. This is a temporary
fix to stop the tests from failing due to unflushed outputs on windows
and the explicit flush should be removed when #20791 is fixed.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4327d63594f73939a2b8ab015c1cb44eafd4b460" style="color: #1068bf;">4327d635</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2023-02-20T20:44:34-05:00 </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;'>Don't generate datacon wrappers for `type data` declarations
Data constructor wrappers only make sense for _value_-level data constructors,
but data constructors for `type data` declarations only exist at the _type_
level. This patch does the following:
* The criteria in `GHC.Types.Id.Make.mkDataConRep` for whether a data
constructor receives a wrapper now consider whether or not its parent data
type was declared with `type data`, omitting a wrapper if this is the case.
* Now that `type data` data constructors no longer receive wrappers, there is a
spot of code in `refineDefaultAlt` that panics when it encounters a value
headed by a `type data` type constructor. I've fixed this with a special case
in `refineDefaultAlt` and expanded `Note [Refine DEFAULT case alternatives]`
to explain why we do this.
Fixes #22948.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/96dc58b9225d91a7912957c6be5d9c7a95e51718" style="color: #1068bf;">96dc58b9</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2023-02-20T20:44:35-05:00 </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;'>Treat type data declarations as empty when checking pattern-matching coverage
The data constructors for a `type data` declaration don't exist at the value
level, so we don't want GHC to warn users to match on them.
Fixes #22964.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ff8e99f69b203559b784014ab26c59b5553d128a" style="color: #1068bf;">ff8e99f6</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2023-02-20T20:44:35-05:00 </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;'>Disallow `tagToEnum#` on `type data` types
We don't want to allow users to conjure up values of a `type data` type using
`tagToEnum#`, as these simply don't exist at the value level.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8e765affde37197a6ebc174653171195fcc53003" style="color: #1068bf;">8e765aff</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2023-02-21T12:03:24-05:00 </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;'>Bump submodule text to 2.0.2
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/172ff88fcac864a029d1cf77fbbe04c7a969d70d" style="color: #1068bf;">172ff88f</a></strong>
<div>
<span> by Georgi Lyubenov </span> <i> at 2023-02-21T18:35:56-05:00 </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;'>GHC proposal 496 - Nullary record wildcards
This patch implements GHC proposal 496, which allows record wildcards
to be used for nullary constructors, e.g.
data A = MkA1 | MkA2 { fld1 :: Int }
f :: A -> Int
f (MkA1 {..}) = 0
f (MkA2 {..}) = fld1
To achieve this, we add arity information to the record field
environment, so that we can accept a constructor which has no fields
while continuing to reject non-record constructors with more than 1
field. See Note [Nullary constructors and empty record wildcards],
as well as the more general overview in Note [Local constructor info in the renamer],
both in the newly introduced GHC.Types.ConInfo module.
Fixes #22161
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f70a0239490ebea25e50c61c01f945d8df41e92f" style="color: #1068bf;">f70a0239</a></strong>
<div>
<span> by sheaf </span> <i> at 2023-02-21T18:36:35-05:00 </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;'>ghc-prim: levity-polymorphic array equality ops
This patch changes the pointer-equality comparison operations in
GHC.Prim.PtrEq to work with arrays of unlifted values, e.g.
sameArray# :: forall {l} (a :: TYPE (BoxedRep l)). Array# a -> Array# a -> Int#
Fixes #22976
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9296660b131d42f1b1f9c421040c5746d5c56989" style="color: #1068bf;">9296660b</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2023-02-21T23:58:05-05:00 </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;'>base: Correct @since annotation for FP<->Integral bit cast operations.
Fixes #22708
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<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f11d9c274d728696bc173c62a2ead62b8288836f" style="color: #1068bf;">f11d9c27</a></strong>
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<span> by romes </span> <i> at 2023-02-21T23:58:42-05:00 </i>
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<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", 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: Update documentation links
Closes #23008
Additionally batches some fixes to pointers to the Note [Wired-in units],
and a typo in said note.
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<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0ebedcd0bee264b18c3e74e3a8f75423176fc884" style="color: #1068bf;">0ebedcd0</a></strong>
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<span> by Ben Gamari </span> <i> at 2023-02-24T11:53:44-05:00 </i>
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<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", 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: Run nix-build with -v0
This significantly cuts down on the amount of
noise in the job log.
Addresses #22861.</pre>
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