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<h3 style="margin-top: 20px; margin-bottom: 10px;">
Richard Eisenberg pushed to branch wip/p547 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/294f907370fadd3313f8c5e6aa87a93c8b86f139" style="color: #1068bf;">294f9073</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-11-12T23:14:13+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;'>Fix a trivial typo in dataConNonlinearType
Fixes #22416
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/268a3ce952f6be00a1dd164dc4d7acb346045e90" style="color: #1068bf;">268a3ce9</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-11-14T09:36:57-05:00 </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;'>eventlog: Ensure that IPE output contains actual info table pointers
The refactoring in 866c736e introduced a rather subtle change in the
semantics of the IPE eventlog output, changing the eventlog field from
encoding info table pointers to "TNTC pointers" (which point to entry
code when tables-next-to-code is enabled). Fix this.
Fixes #22452.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d91db67928d1478589d98e349954800dc9a04a34" style="color: #1068bf;">d91db679</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-11-14T16:48:10-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>testsuite: Add tests for T22347
These are fixed in recent versions but might as well add regression
tests.
See #22347
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8f6c576b0b9b82acf23c51ae8cb3c6e5bde61ab4" style="color: #1068bf;">8f6c576b</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-11-14T16:48:45-05:00 </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: Improve output from tests which have failing pre_cmd
There are two changes:
* If a pre_cmd fails, then don't attempt to run the test.
* If a pre_cmd fails, then print the stdout and stderr from running that
command (which hopefully has a nice error message).
For example:
```
=====> 1 of 1 [0, 0, 0]
*** framework failure for test-defaulting-plugin(normal) pre_cmd failed: 2
** pre_cmd was "$MAKE -s --no-print-directory -C defaulting-plugin package.test-defaulting-plugin TOP={top}".
stdout:
stderr:
DefaultLifted.hs:19:13: error: [GHC-76037]
Not in scope: type constructor or class ‘Typ’
Suggested fix:
Perhaps use one of these:
‘Type’ (imported from GHC.Tc.Utils.TcType),
data constructor ‘Type’ (imported from GHC.Plugins)
|
19 | instance Eq Typ where
| ^^^
make: *** [Makefile:17: package.test-defaulting-plugin] Error 1
Performance Metrics (test environment: local):
```
Fixes #22329
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2b7d5ccc4a022abfba3a6774639d30738a94ae85" style="color: #1068bf;">2b7d5ccc</a></strong>
<div>
<span> by Madeline Haraj </span> <i> at 2022-11-14T22:44:17+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Implement UNPACK support for sum types.
This is based on osa's unpack_sums PR from ages past.
The meat of the patch is implemented in dataConArgUnpackSum
and described in Note [UNPACK for sum types].
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/78f7ecb053340388236300e7e8d458a1a5a42344" style="color: #1068bf;">78f7ecb0</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2022-11-14T22:20:29-05:00 </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;'>Expand on the need to clone local binders.
Fixes #22402.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/65ce43cc647109fb18c8703563cf25fc8cf103fc" style="color: #1068bf;">65ce43cc</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-11-14T22:21:05-05:00 </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;'>Fix :i Constraint printing "type Constraint = Constraint"
Since Constraint became a synonym for CONSTRAINT 'LiftedRep,
we need the same code for handling printing as for the synonym
Type = TYPE 'LiftedRep.
This addresses the same bug as #18594, so I'm reusing the test.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/94549f8fd6b40072a58125cffd21e387e709dd9c" style="color: #1068bf;">94549f8f</a></strong>
<div>
<span> by ARATA Mizuki </span> <i> at 2022-11-15T21:36:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>configure: Don't check for an unsupported version of LLVM
The upper bound is not inclusive.
Fixes #22449
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/02d3511b8d248ea9429512830f8f17b31688a6a6" style="color: #1068bf;">02d3511b</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-11-15T21:36:41-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix capitalization in haddock for TestEquality
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/08bf28819b78e740550a73a90eda62cce8d21c90" style="color: #1068bf;">08bf2881</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-11-16T09:16:29+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;'>base: make Foreign.Marshal.Pool use RTS internal arena for allocation
`Foreign.Marshal.Pool` used to call `malloc` once for each allocation
request. Each `Pool` maintained a list of allocated pointers, and
traverses the list to `free` each one of those pointers. The extra O(n)
overhead is apparently bad for a `Pool` that serves a lot of small
allocation requests.
This patch uses the RTS internal arena to implement `Pool`, with these
benefits:
- Gets rid of the extra O(n) overhead.
- The RTS arena is simply a bump allocator backed by the block
allocator, each allocation request is likely faster than a libc
`malloc` call.
Closes #14762 #18338.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/37cfe3c0f4fb16189bbe3bb735f758cd6e3d9157" style="color: #1068bf;">37cfe3c0</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-11-16T14:50:06-05:00 </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;'>Misc cleanup
* Replace catMaybes . map f with mapMaybe f
* Use concatFS to concatenate multiple FastStrings
* Fix documentation of -exclude-module
* Cleanup getIgnoreCount in GHCi.UI
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b0ac38133767a8ca7de63112f39436241ff435a0" style="color: #1068bf;">b0ac3813</a></strong>
<div>
<span> by Lawton Nichols </span> <i> at 2022-11-19T03:22:14-05:00 </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;'>Give better errors for code corrupted by Unicode smart quotes (#21843)
Previously, we emitted a generic and potentially confusing error during lexical
analysis on programs containing smart quotes (“/”/‘/’). This commit adds
smart quote-aware lexer errors.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cb8430f8133dc7e6375ae7aa5a282986f3ddac69" style="color: #1068bf;">cb8430f8</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-11-19T03:22:49-05:00 </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;'>Make OpaqueNo* tests less noisy to unrelated changes
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b1a8af691763fa4620bc7974012c3986569e1e05" style="color: #1068bf;">b1a8af69</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-11-19T03:22:49-05:00 </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;'>Simplifier: Consider `seq` as a `BoringCtxt` (#22317)
See `Note [Seq is boring]` for the rationale.
Fixes #22317.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9fd11585eb475a45267a86256a239b9b42eebd4e" style="color: #1068bf;">9fd11585</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-11-19T03:22:49-05:00 </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;'>Make T21839c's ghc/max threshold more forgiving
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4b6251ab421add0f2ac476673e5e7f6291d1539f" style="color: #1068bf;">4b6251ab</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-11-19T03:23:24-05:00 </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;'>Be more careful when reporting unbound RULE binders
See Note [Variables unbound on the LHS] in GHC.HsToCore.Binds.
Fixes #22471.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e8f2b80da6429af05d5e8ef1a0937aae8c22f819" style="color: #1068bf;">e8f2b80d</a></strong>
<div>
<span> by Peter Trommler </span> <i> at 2022-11-19T03:23:59-05:00 </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;'>PPC NCG: Fix generating assembler code
Fixes #22479
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f2f9ef07f1491b72e96b5d1ba88284dee37a1d8f" style="color: #1068bf;">f2f9ef07</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-11-20T18:39:30-05:00 </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;'>Extend documentation for Data.IORef
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ef511b235f10101f9923e3f098eeeb6a03a734d8" style="color: #1068bf;">ef511b23</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-11-20T18:40:05-05:00 </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;'>Buglet in GHC.Tc.Module.checkBootTyCon
This lurking bug used the wrong function to compare two
types in GHC.Tc.Module.checkBootTyCon
It's hard to trigger the bug, which only came up during
!9343, so there's no regression test in this MR.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/451aeac3b07f171f148995717d0d9a1eefe08f0e" style="color: #1068bf;">451aeac3</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-11-20T18:40:44-05:00 </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;'>Add since pragmas for c_interruptible_open and hostIsThreaded
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8d6aaa49e011ec58f88b65a50a90f64bfd0a1f60" style="color: #1068bf;">8d6aaa49</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:16-05:00 </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;'>Introduce CapIOManager as the per-cap I/O mangager state
Rather than each I/O manager adding things into the Capability structure
ad-hoc, we should have a common CapIOManager iomgr member of the
Capability structure, with a common interface to initialise etc.
The content of the CapIOManager struct will be defined differently for
each I/O manager implementation. Eventually we should be able to have
the CapIOManager be opaque to the rest of the RTS, and known just to the
I/O manager implementation. We plan for that by making the Capability
contain a pointer to the CapIOManager rather than containing the
structure directly.
Initially just move the Unix threaded I/O manager's control FD.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8901285ef64ab4aa16aa34096a1e2be42d4be246" style="color: #1068bf;">8901285e</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add hook markCapabilityIOManager
To allow I/O managers to have GC roots in the Capability, within the
CapIOManager structure.
Not yet used in this patch.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5cf709c541a46a17ef2e36d589ba13d949d058e1" style="color: #1068bf;">5cf709c5</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Move APPEND_TO_BLOCKED_QUEUE from cmm to C
The I/O and delay blocking primitives for the non-threaded way
currently access the blocked_queue and sleeping_queue directly.
We want to move where those queues are to make their ownership clearer:
to have them clearly belong to the I/O manager impls rather than to the
scheduler. Ultimately we will want to change their representation too.
It's inconvenient to do that if these queues are accessed directly from
cmm code. So as a first step, replace the APPEND_TO_BLOCKED_QUEUE with a
C version appendToIOBlockedQueue(), and replace the open-coded
sleeping_queue insertion with insertIntoSleepingQueue().
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ced9acdbe757331d8d0046df30a06e61b05dd204" style="color: #1068bf;">ced9acdb</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Move {blocked,sleeping}_queue from scheduler global vars to CapIOManager
The blocked_queue_{hd,tl} and the sleeping_queue are currently
cooperatively managed between the scheduler and (some but not all of)
the non-threaded I/O manager implementations.
They lived as global vars with the scheduler, but are poked by I/O
primops and the I/O manager backends.
This patch is a step on the path towards making the management of I/O or
timer blocking belong to the I/O managers and not the scheduler.
Specifically, this patch moves the {blocked,sleeping}_queue from being
global vars in the scheduler to being members of the CapIOManager struct
within each Capability. They are not yet exclusively used by the I/O
managers: they are still poked from a couple other places, notably in
the scheduler before calling awaitEvent.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0f68919ee6ef7ed77c79008e9e807d39919fadc0" style="color: #1068bf;">0f68919e</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Remove the now-unused markScheduler
The global vars {blocked,sleeping}_queue are now in the Capability and
so get marked there via markCapabilityIOManager.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/39a91f60d958247cffdd6e10ac58030bc72ce464" style="color: #1068bf;">39a91f60</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Move macros for checking for pending IO or timers
from Schedule.h to Schedule.c and IOManager.h
This is just moving, the next step will be to rejig them slightly.
For the non-threaded RTS the scheduler needs to be able to test for
there being pending I/O operation or pending timers. The implementation
of these tests should really be considered to be part of the I/O
managers and not part of the scheduler.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/664b034b8403c8623eec0b7f1ce41d0aaede5edb" style="color: #1068bf;">664b034b</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Replace EMPTY_{BLOCKED,SLEEPING}_QUEUE macros by function
These are the macros originaly from Scheduler.h, previously moved to
IOManager.h, and now replaced with a single inline function
anyPendingTimeoutsOrIO(). We can use a single function since the two
macros were always checked together.
Note that since anyPendingTimeoutsOrIO is defined for all IO manager
cases, including threaded, we do not need to guard its use by cpp
#if !defined(THREADED_RTS)
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3294622041192df4e9ed004097fabd70932634a4" style="color: #1068bf;">32946220</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Expand emptyThreadQueues inline for clarity
It was not really adding anything. The name no longer meant anything
since those I/O and timeout queues do not belong to the scheuler.
In one of the two places it was used, the comments already had to
explain what it did, whereas now the code matches the comment nicely.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9943baf9b76374cb2eef53671a52fefbaed1cbce" style="color: #1068bf;">9943baf9</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Move the awaitEvent declaration into IOManager.h
And add or adjust comments at the use sites of awaitEvent.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/054dcc9ddf6ff01245d356d6d87ad97fec30f47d" style="color: #1068bf;">054dcc9d</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Pass the Capability *cap explicitly to awaitEvent
It is currently only used in the non-threaded RTS so it works to use
MainCapability, but it's a bit nicer to pass the cap anyway. It's
certainly shorter.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/667fe5a471378124fecc149373bb25bf16771d17" style="color: #1068bf;">667fe5a4</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Pass the Capability *cap explicitly to appendToIOBlockedQueue
And to insertIntoSleepingQueue. Again, it's a bit cleaner and simpler
though not strictly necessary given that these primops are currently
only used in the non-threaded RTS.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7181b0742fec878137b1fcb7c3a86c4a95e3da47" style="color: #1068bf;">7181b074</a></strong>
<div>
<span> by Duncan Coutts </span> <i> at 2022-11-22T02:06:17-05:00 </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;'>Reveiew feedback: improve one of the TODO comments
The one about the nonsense (const False) test on WinIO for there being any IO
or timers pending, leading to unnecessary complication later in the
scheduler.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e5b68183700f159c834936be3a9b08f165fdc5e3" style="color: #1068bf;">e5b68183</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2022-11-22T02:06:52-05:00 </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;'>Optimize getLevity.
Avoid the intermediate data structures allocated by splitTyConApp.
This avoids ~0.5% of allocations for a build using -O2.
Fixes #22254
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de5fb3489f2a9bd6dc75d0cb8925a27fe9b9084b" style="color: #1068bf;">de5fb348</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2022-11-22T02:07:28-05:00 </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;'>hadrian:Set TNTC when running testsuite.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9d61c182739c415f4283cca3c692e25c82b274f1" style="color: #1068bf;">9d61c182</a></strong>
<div>
<span> by Oleg Grenrus </span> <i> at 2022-11-22T15:59:34-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add unsafePtrEquality# restricted to UnliftedTypes
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e817c8713df6055ef56a5c0271a0accd94f9c967" style="color: #1068bf;">e817c871</a></strong>
<div>
<span> by Jonathan Dowland </span> <i> at 2022-11-22T16:00:14-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>utils/unlit: adjust parser to match Report spec
The Haskell 2010 Report says that, for Latex-style Literate format,
"Program code begins on the first line following a line that begins
\begin{code}". (This is unchanged from the 98 Report)
However the unlit.c implementation only matches a line that contains
"\begin{code}" and nothing else. One consequence of this is that one
cannot suffix Latex options to the code environment. I.e., this does
not work:
\begin{code}[label=foo,caption=Foo Code]
Adjust the matcher to conform to the specification from the Report.
The Haskell Wiki currently recommends suffixing a '%' to \begin{code}
in order to deliberately hide a code block from Haskell. This is bad
advice, as it's relying on an implementation quirk rather than specified
behaviour. None-the-less, some people have tried to use it, c.f.
<https://mail.haskell.org/pipermail/haskell-cafe/2009-September/066780.html>
An alternative solution is to define a separate, equivalent Latex
environment to "code", that is functionally identical in Latex but
ignored by unlit. This should not be a burden: users are required to
manually define the code environment anyway, as it is not provided
by the Latex verbatim or lstlistings packages usually used for
presenting code in documents.
Fixes #3549.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0b7fef1112c92d2781a7d74e02dceefd4f8cd870" style="color: #1068bf;">0b7fef11</a></strong>
<div>
<span> by Teo Camarasu </span> <i> at 2022-11-23T12:44:33-05:00 </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;'>Fix eventlog all option
Previously it didn't enable/disable nonmoving_gc and ticky event types
Fixes #21813
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/04d0618c16157f61cc03981f8875c96a9adeb879" style="color: #1068bf;">04d0618c</a></strong>
<div>
<span> by Arnaud Spiwack </span> <i> at 2022-11-23T12:45:14-05:00 </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;'>Expand Note [Linear types] with the stance on linting linearity
Per the discussion on #22123
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e153851650bbba631f3a6926ba42422f9f1fa0cd" style="color: #1068bf;">e1538516</a></strong>
<div>
<span> by Lawton Nichols </span> <i> at 2022-11-23T12:45:55-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add documentation on custom Prelude modules (#22228)
Specifically, custom Prelude modules that are named `Prelude`.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b5c714545abc5f75a1ffdcc39b4bfdc7cd5e64b4" style="color: #1068bf;">b5c71454</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2022-11-23T12:46:35-05:00 </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;'>Don't let configure perform trivial substitutions (#21846)
Hadrian now performs substitutions, especially to generate .cabal files
from .cabal.in files. Two benefits:
1. We won't have to re-configure when we modify thing.cabal.in. Hadrian
will take care of this for us.
2. It paves the way to allow the same package to be configured
differently by Hadrian in the same session. This will be useful to
fix #19174: we want to build a stage2 cross-compiler for the host
platform and a stage1 compiler for the cross target platform in the
same Hadrian session.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/99aca26b652603bc62953157a48e419f737d352d" style="color: #1068bf;">99aca26b</a></strong>
<div>
<span> by nineonine </span> <i> at 2022-11-23T12:47:11-05:00 </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;'>CApiFFI: add ConstPtr for encoding const-qualified pointer return types (#22043)
Previously, when using `capi` calling convention in foreign declarations,
code generator failed to handle const-cualified pointer return types.
This resulted in CC toolchain throwing `-Wincompatible-pointer-types-discards-qualifiers`
warning.
`Foreign.C.Types.ConstPtr` newtype was introduced to handle these cases -
special treatment was put in place to generate appropritetly qualified C
wrapper that no longer triggers the above mentioned warning.
Fixes #22043
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/040bfdc359fcc5415ab8836b38982c07c31ea6a2" style="color: #1068bf;">040bfdc3</a></strong>
<div>
<span> by M Farkas-Dyck </span> <i> at 2022-11-23T21:59:03-05:00 </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;'>Scrub some no-warning pragmas.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/178c1fd830c78377ef5d338406a41e1d8eb5f0da" style="color: #1068bf;">178c1fd8</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2022-11-23T21:59:39-05:00 </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;'>Check if the SDoc starts with a single quote (#22488)
This patch fixes pretty-printing of character literals
inside promoted lists and tuples.
When we pretty-print a promoted list or tuple whose first element
starts with a single quote, we want to add a space between the opening
bracket and the element:
'[True] -- ok
'[ 'True] -- ok
'['True] -- not ok
If we don't add the space, we accidentally produce a character
literal '['.
Before this patch, pprSpaceIfPromotedTyCon inspected the type as an AST
and tried to guess if it would be rendered with a single quote. However,
it missed the case when the inner type was itself a character literal:
'[ 'x'] -- ok
'['x'] -- not ok
Instead of adding this particular case, I opted for a more future-proof
solution: check the SDoc directly. This way we can detect if the single
quote is actually there instead of trying to predict it from the AST.
The new function is called spaceIfSingleQuote.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/11627c422cfba5e1d84afb08f427007dbc801f10" style="color: #1068bf;">11627c42</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-11-23T22:00:15-05:00 </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;'>notes: Fix references to HPT space leak note
Updating this note was missed when updating the HPT to the HUG.
Fixes #22477
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/86ff1523d21f27f69351f8a2d053ba9d5d98aa89" style="color: #1068bf;">86ff1523</a></strong>
<div>
<span> by Andrei Borzenkov </span> <i> at 2022-11-24T17:24:51-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Convert diagnostics in GHC.Rename.Expr to proper TcRnMessage (#20115)
Problem: avoid usage of TcRnMessageUnknown
Solution:
The following `TcRnMessage` messages has been introduced:
TcRnNoRebindableSyntaxRecordDot
TcRnNoFieldPunsRecordDot
TcRnIllegalStaticExpression
TcRnIllegalStaticFormInSplice
TcRnListComprehensionDuplicateBinding
TcRnEmptyStmtsGroup
TcRnLastStmtNotExpr
TcRnUnexpectedStatementInContext
TcRnIllegalTupleSection
TcRnIllegalImplicitParameterBindings
TcRnSectionWithoutParentheses
Co-authored-by: sheaf <sam.derbyshire@gmail.com>
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d198a19ae08fec797121e3907ca93c5840db0c53" style="color: #1068bf;">d198a19a</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-11-24T17:25:29-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>rts: fix missing Arena.h symbols in RtsSymbols.c
It was an unfortunate oversight in !8961 and broke devel2 builds.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5943e739f8060bcc9867ef048a462f2c465fde00" style="color: #1068bf;">5943e739</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-11-25T04:38:28-05:00 </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;'>Assorted fixes to avoid Data.List.{head,tail}
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1f1b99b86ab2b005604aea08b0614279a8ad1244" style="color: #1068bf;">1f1b99b8</a></strong>
<div>
<span> by sheaf </span> <i> at 2022-11-25T04:38:28-05:00 </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;'>Review suggestions for assorted fixes to avoid Data.List.{head,tail}
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/13d627bbd0bc3dd30d672de341aa7f471be0aa2c" style="color: #1068bf;">13d627bb</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2022-11-25T04:39:04-05:00 </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;'>Print unticked promoted data constructors (#20531)
Before this patch, GHC unconditionally printed ticks before promoted
data constructors:
ghci> type T = True -- unticked (user-written)
ghci> :kind! T
T :: Bool
= 'True -- ticked (compiler output)
After this patch, GHC prints ticks only when necessary:
ghci> type F = False -- unticked (user-written)
ghci> :kind! F
F :: Bool
= False -- unticked (compiler output)
ghci> data False -- introduce ambiguity
ghci> :kind! F
F :: Bool
= 'False -- ticked by necessity (compiler output)
The old behavior can be enabled by -fprint-redundant-promotion-ticks.
Summary of changes:
* Rename PrintUnqualified to NamePprCtx
* Add QueryPromotionTick to it
* Consult the GlobalRdrEnv to decide whether to print a tick (see mkPromTick)
* Introduce -fprint-redundant-promotion-ticks
Co-authored-by: Artyom Kuznetsov <hi@wzrd.ht>
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d10dc6bdade0fdae879e5869038ce8378c2ce84f" style="color: #1068bf;">d10dc6bd</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-11-25T22:31:27+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;'>Fix decomposition of TyConApps
Ticket #22331 showed that we were being too eager to decompose
a Wanted TyConApp, leading to incompleteness in the solver.
To understand all this I ended up doing a substantial rewrite
of the old Note [Decomposing equalities], now reborn as
Note [Decomposing TyConApp equalities]. Plus rewrites of other
related Notes.
The actual fix is very minor and actually simplifies the code: in
`can_decompose` in `GHC.Tc.Solver.Canonical.canTyConApp`, we now call
`noMatchableIrreds`. A closely related refactor: we stop trying to
use the same "no matchable givens" function here as in
`matchClassInst`. Instead split into two much simpler functions.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2da5c38a45fcfd9778d7d89d0946aa475ae96627" style="color: #1068bf;">2da5c38a</a></strong>
<div>
<span> by Will Hawkins </span> <i> at 2022-11-26T04:05:04-05:00 </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;'>Redirect output of musttail attribute test
Compilation output from test for support of musttail attribute leaked to
the console.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0eb1c3311aa01646fd19334f2541f96a701c1e20" style="color: #1068bf;">0eb1c331</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-11-28T08:55:53+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;'>Move hs_mulIntMayOflo cbits to ghc-prim
It's only used by wasm NCG at the moment, but ghc-prim is a more
reasonable place for hosting out-of-line primops. Also, we only need a
single version of hs_mulIntMayOflo.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/36b53a9db6d8e7537a8e956a703e3ec3c5081fc3" style="color: #1068bf;">36b53a9d</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-11-28T09:05:57+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;'>compiler: generate ccalls for clz/ctz/popcnt in wasm NCG
We used to generate a single wasm clz/ctz/popcnt opcode, but it's
wrong when it comes to subwords, so might as well generate ccalls for
them. See #22470 for details.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d4134e920a79ddfe7abb291964614e4f428c1a24" style="color: #1068bf;">d4134e92</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-11-28T23:48:14-05:00 </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;'>compiler: remove unused MO_U_MulMayOflo
We actually only emit MO_S_MulMayOflo and never emit MO_U_MulMayOflo anywhere.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8d15eadc2a791062f0392ec0d1b3a30f7e214fa4" style="color: #1068bf;">8d15eadc</a></strong>
<div>
<span> by Apoorv Ingle </span> <i> at 2022-11-29T03:09:31-05:00 </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;'>Killing cc_fundeps, streamlining kind equality orientation, and type equality processing order
Fixes: #217093
Associated to #19415
This change
* Flips the orientation of the the generated kind equality coercion in canEqLHSHetero;
* Removes `cc_fundeps` in CDictCan as the check was incomplete;
* Changes `canDecomposableTyConAppOk` to ensure we process kind equalities before type equalities and avoiding a call to `canEqLHSHetero` while processing wanted TyConApp equalities
* Adds 2 new tests for validating the change
- testsuites/typecheck/should_compile/T21703.hs and
- testsuites/typecheck/should_fail/T19415b.hs (a simpler version of T19415.hs)
* Misc: Due to the change in the equality direction some error messages now have flipped type mismatch errors
* Changes in Notes:
- Note [Fundeps with instances, and equality orientation] supercedes Note [Fundeps with instances]
- Added Note [Kind Equality Orientation] to visualize the kind flipping
- Added Note [Decomposing Dependent TyCons and Processing Wanted Equalties]
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/646969d4da90b8c52c3b3320b01f26452d786380" style="color: #1068bf;">646969d4</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-11-29T03:10:13-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Change printing of sized literals to match the proposal
Literals in Core were printed as e.g. 0xFF#16 :: Int16#.
The proposal 451 now specifies syntax 0xFF#Int16.
This change affects the Core printer only - more to be done later.
Part of #21422.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/02e282ec8ab2fb3d28c754ca7967f79c70a48c4a" style="color: #1068bf;">02e282ec</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-11-29T03:10:48-05:00 </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;'>Be a bit more selective about floating bottoming expressions
This MR arranges to float a bottoming expression to the top
only if it escapes a value lambda.
See #22494 and Note [Floating to the top] in SetLevels.
This has a generally beneficial effect in nofib
+-------------------------------++----------+
| ||tsv (rel) |
+===============================++==========+
| imaginary/paraffins || -0.93% |
| imaginary/rfib || -0.05% |
| real/fem || -0.03% |
| real/fluid || -0.01% |
| real/fulsom || +0.05% |
| real/gamteb || -0.27% |
| real/gg || -0.10% |
| real/hidden || -0.01% |
| real/hpg || -0.03% |
| real/scs || -11.13% |
| shootout/k-nucleotide || -0.01% |
| shootout/n-body || -0.08% |
| shootout/reverse-complement || -0.00% |
| shootout/spectral-norm || -0.02% |
| spectral/fibheaps || -0.20% |
| spectral/hartel/fft || -1.04% |
| spectral/hartel/solid || +0.33% |
| spectral/hartel/wave4main || -0.35% |
| spectral/mate || +0.76% |
+===============================++==========+
| geom mean || -0.12% |
The effect on compile time is generally slightly beneficial
Metrics: compile_time/bytes allocated
----------------------------------------------
MultiLayerModulesTH_OneShot(normal) +0.3%
PmSeriesG(normal) -0.2%
PmSeriesT(normal) -0.1%
T10421(normal) -0.1%
T10421a(normal) -0.1%
T10858(normal) -0.1%
T11276(normal) -0.1%
T11303b(normal) -0.2%
T11545(normal) -0.1%
T11822(normal) -0.1%
T12150(optasm) -0.1%
T12234(optasm) -0.3%
T13035(normal) -0.2%
T16190(normal) -0.1%
T16875(normal) -0.4%
T17836b(normal) -0.2%
T17977(normal) -0.2%
T17977b(normal) -0.2%
T18140(normal) -0.1%
T18282(normal) -0.1%
T18304(normal) -0.2%
T18698a(normal) -0.1%
T18923(normal) -0.1%
T20049(normal) -0.1%
T21839r(normal) -0.1%
T5837(normal) -0.4%
T6048(optasm) +3.2% BAD
T9198(normal) -0.2%
T9630(normal) -0.1%
TcPlugin_RewritePerf(normal) -0.4%
hard_hole_fits(normal) -0.1%
geo. mean -0.0%
minimum -0.4%
maximum +3.2%
The T6048 outlier is hard to pin down, but it may be the effect of
reading in more interface files definitions. It's a small program for
which compile time is very short, so I'm not bothered about it.
Metric Increase:
T6048
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ab23dc5e04a79f160e22869cbf604b59e885fd30" style="color: #1068bf;">ab23dc5e</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-11-29T03:11:25-05:00 </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;'>testsuite: Mark unpack_sums_6 as fragile due to #22504
This test is explicitly dependent upon runtime, which is generally not
appropriate given that the testsuite is run in parallel and generally
saturates the CPU.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/def47dd32491311289bff26230b664c895f178cc" style="color: #1068bf;">def47dd3</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2022-11-29T03:11:25-05:00 </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;'>testsuite: Don't use grep -q in unpack_sums_7
`grep -q` closes stdin as soon as it finds the pattern it is looking
for, resulting in #22484.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cc25d52e0f65d54c052908c7d91d5946342ab88a" style="color: #1068bf;">cc25d52e</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2022-11-29T09:44:31+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;'>Add Javascript backend
Add JS backend adapted from the GHCJS project by Luite Stegeman.
Some features haven't been ported or implemented yet. Tests for these
features have been disabled with an associated gitlab ticket.
Bump array submodule
Work funded by IOG.
Co-authored-by: Jeffrey Young <jeffrey.young@iohk.io>
Co-authored-by: Luite Stegeman <stegeman@gmail.com>
Co-authored-by: Josh Meredith <joshmeredith2008@gmail.com>
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/68c966cd3c9d581bac4573807e433fe8d063445f" style="color: #1068bf;">68c966cd</a></strong>
<div>
<span> by sheaf </span> <i> at 2022-11-30T09:31:25-05:00 </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 @since annotations on WithDict and Coercible
Fixes #22453
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a3a8e9e968ff9b10c6785d53a5f1c8fcef6db72b" style="color: #1068bf;">a3a8e9e9</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-11-30T09:32:03-05:00 </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;'>Be more careful in GHC.Tc.Solver.Interact.solveOneFromTheOther
We were failing to account for the cc_pend_sc flag in this
important function, with the result that we expanded superclasses
forever.
Fixes #22516.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a9d9b8c0458e838f331ead62dca272665ecbf20d" style="color: #1068bf;">a9d9b8c0</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-11-30T09:32:03-05:00 </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;'>Use mkNakedFunTy in tcPatSynSig
As #22521 showed, in tcPatSynSig we make a "fake type" to
kind-generalise; and that type has unzonked type variables in it. So
we must not use `mkFunTy` (which checks FunTy's invariants) via
`mkPhiTy` when building this type. Instead we need to use
`mkNakedFunTy`.
Easy fix.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/31462d98c31e3ef48af2f6c6f2d379d74ccc63f5" style="color: #1068bf;">31462d98</a></strong>
<div>
<span> by Andreas Klebinger </span> <i> at 2022-11-30T14:50:58-05:00 </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;'>Properly cast values when writing/reading unboxed sums.
Unboxed sums might store a Int8# value as Int64#. This patch
makes sure we keep track of the actual value type.
See Note [Casting slot arguments] for the details.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10a2a7de64c52fcff07572bc0cd396393829a487" style="color: #1068bf;">10a2a7de</a></strong>
<div>
<span> by Oleg Grenrus </span> <i> at 2022-11-30T14:51:39-05:00 </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;'>Move Void to GHC.Base...
This change would allow `Void` to be used deeper in module graph.
For example exported from `Prelude` (though that might be already
possible).
Also this change includes a change `stimes @Void _ x = x`,
https://github.com/haskell/core-libraries-committee/issues/95
While the above is not required, maintaining old stimes behavior
would be tricky as `GHC.Base` doesn't know about `Num` or `Integral`,
which would require more hs-boot files.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b4cfa8e235715d8c73b2ba0ba05ed8ef92629218" style="color: #1068bf;">b4cfa8e2</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-11-30T14:52:24-05:00 </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;'>DmdAnal: Reflect the `seq` of strict fields of a DataCon worker (#22475)
See the updated `Note [Data-con worker strictness]`
and the new `Note [Demand transformer for data constructors]`.
Fixes #22475.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d87f28d810b9c536ca4db7f363163e6d0dd6c93c" style="color: #1068bf;">d87f28d8</a></strong>
<div>
<span> by Baldur Blöndal </span> <i> at 2022-11-30T21:16:36+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;'>Make Functor a quantified superclass of Bifunctor.
See https://github.com/haskell/core-libraries-committee/issues/91 for
discussion.
This change relates Bifunctor with Functor by requiring second = fmap.
Moreover this change is a step towards unblocking the major version bump
of bifunctors and profunctors to major version 6. This paves the way to
move the Profunctor class into base. For that Functor first similarly
becomes a superclass of Profunctor in the new major version 6.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/72cf4c5d74923d267dab2dc260af090609066b04" style="color: #1068bf;">72cf4c5d</a></strong>
<div>
<span> by doyougnu </span> <i> at 2022-12-01T12:36:44-05:00 </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;'>FastString: SAT bucket_match
Metric Decrease:
MultiLayerModulesTH_OneShot
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/afc2540daf6ca6baa09ab147b792da08d66d878c" style="color: #1068bf;">afc2540d</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-12-01T12:37:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add a missing varToCoreExpr in etaBodyForJoinPoint
This subtle bug showed up when compiling a library with 9.4.
See #22491. The bug is present in master, but it is hard to
trigger; the new regression test T22491 fails in 9.4.
The fix was easy: just add a missing varToCoreExpr in
etaBodyForJoinPoint.
The fix is definitely right though!
I also did some other minor refatoring:
* Moved the preInlineUnconditionally test in simplExprF1 to
before the call to joinPointBinding_maybe, to avoid fruitless
eta-expansion.
* Added a boolean from_lam flag to simplNonRecE, to avoid two
fruitless tests, and commented it a bit better.
These refactorings seem to save 0.1% on compile-time allocation in
perf/compiler; with a max saving of 1.4% in T9961
Metric Decrease:
T9961
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/81eeec7f9a3c826208f05f264a22c80e06139f07" style="color: #1068bf;">81eeec7f</a></strong>
<div>
<span> by M Farkas-Dyck </span> <i> at 2022-12-01T12:37:56-05:00 </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;'>CI: Forbid the fully static build on Alpine to fail.
To do so, we mark some tests broken in this configuration.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c5d1bf2962fc88f92c71b771ab16b3c8c096682a" style="color: #1068bf;">c5d1bf29</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2022-12-01T12:37:56-05:00 </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;'>CI: Remove ARMv7 jobs
These jobs fail (and are allowed to fail) nearly every time.
Soon they won't even be able to run at all, as we won't currently have
runners that can run them.
Fixing the latter problem is tracked in #22409.
I went ahead and removed all settings and configurations.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d82992fd4b62a81607af1667e4ff755d58af291f" style="color: #1068bf;">d82992fd</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2022-12-01T12:37:56-05:00 </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;'>CI: Fix CI lint
Failure was introduced by conflicting changes to gen_ci.hs that did
*not* trigger git conflicts.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ce126993688e7ea803aee5b831655e318bde58d3" style="color: #1068bf;">ce126993</a></strong>
<div>
<span> by Simon Peyton Jones </span> <i> at 2022-12-02T01:22:12-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Refactor TyCon to have a top-level product
This patch changes the representation of TyCon so that it has
a top-level product type, with a field that gives the details
(newtype, type family etc), #22458.
Not much change in allocation, but execution seems to be a bit
faster.
Includes a change to the haddock submodule to adjust for API changes.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/74c767df770766d8d52e87b9ff7da10f94620a91" style="color: #1068bf;">74c767df</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-02T01:22:48-05:00 </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;'>ApplicativeDo: Set pattern location before running exhaustiveness checker
This improves the error messages of the exhaustiveness checker when
checking statements which have been moved around with ApplicativeDo.
Before:
Test.hs:2:3: warning: [GHC-62161] [-Wincomplete-uni-patterns]
Pattern match(es) are non-exhaustive
In a pattern binding:
Patterns of type ‘Maybe ()’ not matched: Nothing
|
2 | let x = ()
| ^^^^^^^^^^
After:
Test.hs:4:3: warning: [GHC-62161] [-Wincomplete-uni-patterns]
Pattern match(es) are non-exhaustive
In a pattern binding:
Patterns of type ‘Maybe ()’ not matched: Nothing
|
4 | ~(Just res1) <- seq x (pure $ Nothing @())
|
Fixes #22483
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/85ecc1a0fd6536149ae2b54f4b1985d80c0e21cb" style="color: #1068bf;">85ecc1a0</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-02T19:46:43-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add special case for :Main module in `GHC.IfaceToCore.mk_top_id`
See Note [Root-main Id]
The `:Main` special binding is actually defined in the current module
(hence don't go looking for it externally) but the module name is rOOT_MAIN
rather than the current module so we need this special case.
There was already some similar logic in `GHC.Rename.Env` for
External Core, but now the "External Core" is in interface files it
needs to be moved here instead.
Fixes #22405
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/108c319f47e31fb307d7aff718b40578c8026ddd" style="color: #1068bf;">108c319f</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-12-02T19:47:18-05:00 </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;'>Fix linearity checking in Lint
Lint was not able to see that x*y <= x*y, because this inequality
was decomposed to x <= x*y && y <= x*y, but there was no rule
to see that x <= x*y.
Fixes #22546.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bb674262bd472ffeba145ebd4cd510ca16436c08" style="color: #1068bf;">bb674262</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2022-12-03T04:38:46-05:00 </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;'>Mark T16916 fragile
See https://gitlab.haskell.org/ghc/ghc/-/issues/16966
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d267d4683c2733dee7621e480c5e70ed47a4592" style="color: #1068bf;">5d267d46</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2022-12-03T04:39:22-05:00 </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;'>Refactor: FreshOrReuse instead of addTyClTyVarBinds
This is a refactoring that should have no effect on observable behavior.
Prior to this change, GHC.HsToCore.Quote contained a few closely related
functions to process type variable bindings: addSimpleTyVarBinds,
addHsTyVarBinds, addQTyVarBinds, and addTyClTyVarBinds.
We can classify them by their input type and name generation strategy:
Fresh names only Reuse bound names
+---------------------+-------------------+
[Name] | addSimpleTyVarBinds | |
[LHsTyVarBndr flag GhcRn] | addHsTyVarBinds | |
LHsQTyVars GhcRn | addQTyVarBinds | addTyClTyVarBinds |
+---------------------+-------------------+
Note how two functions are missing. Because of this omission, there were
two places where a LHsQTyVars value was constructed just to be able to pass it
to addTyClTyVarBinds:
1. mk_qtvs in addHsOuterFamEqnTyVarBinds -- bad
2. mkHsQTvs in repFamilyDecl -- bad
This prevented me from making other changes to LHsQTyVars, so the main
goal of this refactoring is to get rid of those workarounds.
The most direct solution would be to define the missing functions.
But that would lead to a certain amount of code duplication. To avoid
code duplication, I factored out the name generation strategy into a
function parameter:
data FreshOrReuse
= FreshNamesOnly
| ReuseBoundNames
addSimpleTyVarBinds :: FreshOrReuse -> ...
addHsTyVarBinds :: FreshOrReuse -> ...
addQTyVarBinds :: FreshOrReuse -> ...
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c189b831c74a550ddb3b94cf9b9f8922856b6990" style="color: #1068bf;">c189b831</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2022-12-03T04:39:22-05:00 </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;'>addHsOuterFamEqnTyVarBinds: use FreshNamesOnly for explicit binders
Consider this example:
[d| instance forall a. C [a] where
type forall b. G [a] b = Proxy b |]
When we process "forall b." in the associated type instance, it is
unambiguously the binding site for "b" and we want a fresh name for it.
Therefore, FreshNamesOnly is more fitting than ReuseBoundNames.
This should not have any observable effect but it avoids pointless
lookups in the MetaEnv.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4251226448f34403b07822f3017845c4855f4dea" style="color: #1068bf;">42512264</a></strong>
<div>
<span> by Ross Paterson </span> <i> at 2022-12-03T10:32:45+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;'>Handle type data declarations in Template Haskell quotations and splices (fixes #22500)
This adds a TypeDataD constructor to the Template Haskell Dec type,
and ensures that the constructors it contains go in the TyCls namespace.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1a767fa359d22ca7637af41e29434e76487c3f21" style="color: #1068bf;">1a767fa3</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2022-12-05T05:18:50-05:00 </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;'>Add BufSpan to EpaLocation (#22319, #22558)
The key part of this patch is the change to mkTokenLocation:
- mkTokenLocation (RealSrcSpan r _) = TokenLoc (EpaSpan r)
+ mkTokenLocation (RealSrcSpan r mb) = TokenLoc (EpaSpan r mb)
mkTokenLocation used to discard the BufSpan, but now it is saved and can
be retrieved from LHsToken or LHsUniToken.
This is made possible by the following change to EpaLocation:
- data EpaLocation = EpaSpan !RealSrcSpan
+ data EpaLocation = EpaSpan !RealSrcSpan !(Strict.Maybe BufSpan)
| ...
The end goal is to make use of the BufSpan in Parser/PostProcess/Haddock.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cd31acad391582dd16b00a823271b364ab063ca9" style="color: #1068bf;">cd31acad</a></strong>
<div>
<span> by sheaf </span> <i> at 2022-12-06T15:45:58-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Hadrian: fix ghcDebugAssertions off-by-one error
Commit 6b2f7ffe changed the logic that decided whether to enable debug
assertions. However, it had an off-by-one error, as the stage parameter
to the function inconsistently referred to the stage of the compiler
being used to build or the stage of the compiler we are building.
This patch makes it consistent. Now the parameter always refers to the
the compiler which is being built.
In particular, this patch re-enables
assertions in the stage 2 compiler when building with devel2 flavour,
and disables assertions in the stage 2 compiler when building with
validate flavour.
Some extra performance tests are now run in the "validate" jobs because
the stage2 compiler no longer contains assertions.
-------------------------
Metric Decrease:
CoOpt_Singletons
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModulesTH_OneShot
T11374
T12227
T12234
T13253-spj
T13701
T14683
T14697
T15703
T17096
T17516
T18304
T18478
T18923
T5030
T9872b
TcPlugin_RewritePerf
Metric Increase:
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModules
MultiLayerModulesRecomp
MultiLayerModulesTH_Make
T13386
T13719
T3294
T9233
T9675
parsing001
-------------------------
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/21d66db13291b09ca9a7c3d1a6ca64bdc7fd1a7a" style="color: #1068bf;">21d66db1</a></strong>
<div>
<span> by mrkun </span> <i> at 2022-12-06T15:46:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Push DynFlags out of runInstallNameTool
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aaaaa79b9b381bb6697a90ff460d2d520152505e" style="color: #1068bf;">aaaaa79b</a></strong>
<div>
<span> by mrkun </span> <i> at 2022-12-06T15:46:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Push DynFlags out of askOtool
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4e28f49e0a23f54a7b9b18a9010f19b0b15223db" style="color: #1068bf;">4e28f49e</a></strong>
<div>
<span> by mrkun </span> <i> at 2022-12-06T15:46:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Push DynFlags out of runInjectRPaths
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a74225803dc4ec14e3aef96cfe5e17bdc5f0d2a7" style="color: #1068bf;">a7422580</a></strong>
<div>
<span> by mrkun </span> <i> at 2022-12-06T15:46:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Push DynFlags out of Linker.MacOS
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e902d771197fd93488938b5eacb1ad6f23d408b7" style="color: #1068bf;">e902d771</a></strong>
<div>
<span> by Matthew Craven </span> <i> at 2022-12-08T08:30:23-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix bounds-checking buglet in Data.Array.Byte
...another manifestation of #20851 which
I unfortunately missed in my first pass.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8d36c0c65ada5c0eb7b82de6b69d3dd67a7c9f9c" style="color: #1068bf;">8d36c0c6</a></strong>
<div>
<span> by Gergő Érdi </span> <i> at 2022-12-08T08:31:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Remove copy-pasted definitions of `graphFromEdgedVertices*`
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c5d8ed3ae14396733e240f6a146a0793f288b296" style="color: #1068bf;">c5d8ed3a</a></strong>
<div>
<span> by Gergő Érdi </span> <i> at 2022-12-08T08:31:03-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add version of `reachableGraph` that avoids loop for cyclic inputs
by building its result connected component by component
Fixes #22512
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/90cd53960f4e712197efc320b3aa104e95345a23" style="color: #1068bf;">90cd5396</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-12-08T08:31:39-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Mark Type.Reflection.Unsafe as Unsafe
This module can be used to construct ill-formed TypeReps, so it should
be Unsafe.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2057c77d08cb8422857d182a3691f98dccd0c7d6" style="color: #1068bf;">2057c77d</a></strong>
<div>
<span> by Ian-Woo Kim </span> <i> at 2022-12-08T08:32:19-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Truncate eventlog event for large payload (#20221)
RTS eventlog events for postCapsetVecEvent are truncated if payload
is larger than EVENT_PAYLOAD_SIZE_MAX
Previously, postCapsetVecEvent records eventlog event with payload
of variable size larger than EVENT_PAYLOAD_SIZE_MAX (2^16) without
any validation, resulting in corrupted data.
For example, this happens when a Haskell binary is invoked with very
long command line arguments exceeding 2^16 bytes (see #20221).
Now we check the size of accumulated payload messages incrementally,
and truncate the message just before the payload size exceeds
EVENT_PAYLOAD_SIZE_MAX. RTS will warn the user with a message showing
how many arguments are truncated.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9ec76f61c880539114314fc3e4f96a4694f38ebe" style="color: #1068bf;">9ec76f61</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2022-12-08T08:32:59-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: don't add debug info to non-debug ways of rts
Hadrian used to pass -g when building all ways of rts. It makes output
binaries larger (especially so for wasm backend), and isn't needed by
most users out there, so this patch removes that flag. In case the
debug info is desired, we still pass -g3 when building the debug way,
and there's also the debug_info flavour transformer which ensures -g3
is passed for all rts ways.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7658cdd47198512b699492688f51fc8682d194cd" style="color: #1068bf;">7658cdd4</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-12-08T08:33:36-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Restore show (typeRep @[]) == "[]"
The Show instance for TypeRep [] has changed in 9.5 to output "List"
because the name of the type constructor changed.
This seems to be accidental and is inconsistent with TypeReps of saturated
lists, which are printed as e.g. "[Int]".
For now, I'm restoring the old behavior; in the future,
maybe we should show TypeReps without puns (List, Tuple, Type).
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/216deefd377cf495f07f05a9b355e8d842ccb5b6" style="color: #1068bf;">216deefd</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add test for #22162
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d0a311f28b96e8be2e051ae8cb08cc654d0b63e" style="color: #1068bf;">5d0a311f</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Add job to test interface file determinism guarantees
In this job we can run on every commit we add a test which builds the
Cabal library twice and checks that the ABI hash and interface hash is
stable across the two builds.
* We run the test 20 times to try to weed out any race conditions due to
`-j`
* We run the builds in different temporary directories to try to weed
out anything related to build directory affecting ABI or interface
file hash.
Fixes #22180
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0a76d7d415cfa8facfa6d36101210f9e2e3ff0a6" style="color: #1068bf;">0a76d7d4</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Add job for testing interface stability across builds
The idea is that both the bindists should product libraries with the
same ABI and interface hash.
So the job checks with ghc-pkg to make sure the computed ABI
is the same.
In future this job can be extended to check for the other facets of
interface determinism.
Fixes #22180
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/74c9bf914b31bfdd4353b7ff31efd2d3725bd2bb" style="color: #1068bf;">74c9bf91</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>backpack: Be more careful when adding together ImportAvails
There was some code in the signature merging logic which added together
the ImportAvails of the signature and the signature which was merged
into it. This had the side-effect of making the merged signature depend
on the signature (via a normal module dependency). The intention was to
propagate orphan instances through the merge but this also messed up
recompilation logic because we shouldn't be attempting to load B.hi when
mergeing it.
The fix is to just combine the part of ImportAvails that we intended to
(transitive info, orphan instances and type family instances) rather
than the whole thing.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d122e02247a371b14c3e906556900c0d600f424d" style="color: #1068bf;">d122e022</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:45:27-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix mk_mod_usage_info if the interface file is not already loaded
In #22217 it was observed that the order modules are compiled in affects
the contents of an interface file. This was because a module dependended
on another module indirectly, via a re-export but the interface file for
this module was never loaded because the symbol was never used in the
file.
If we decide that we depend on a module then we jolly well ought to
record this fact in the interface file! Otherwise it could lead to very
subtle recompilation bugs if the dependency is not tracked and the
module is updated.
Therefore the best thing to do is just to make sure the file is loaded
by calling the `loadSysInterface` function. This first checks the
caches (like we did before) but then actually goes to find the interface
on disk if it wasn't loaded.
Fixes #22217
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ea25088d4edd9f96e48f0a7f9407fd8eb9c2ae9c" style="color: #1068bf;">ea25088d</a></strong>
<div>
<span> by lrzlin </span> <i> at 2022-12-08T22:46:06-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add initial support for LoongArch Architecture.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9eb9d2f4578afb09ac6c54ae4269b92aceaa5372" style="color: #1068bf;">9eb9d2f4</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-08T22:46:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Update submodule mtl to 2.3.1, parsec to 3.1.15.1, haddock and Cabal to HEAD
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/08d8fe2a6878fc27a49d4c3fea97dd34b9c06350" style="color: #1068bf;">08d8fe2a</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-08T22:46:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Allow mtl-2.3 in hadrian
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3807a46c6ee6b3ae52b888c4add6416f0d381e87" style="color: #1068bf;">3807a46c</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-08T22:46:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Support mtl-2.3 in check-exact
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ef702a18dbe44d486d7a41c554564ca3e0f236ee" style="color: #1068bf;">ef702a18</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-08T22:46:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix tests
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3144e8ff1bac77f850a6188f6eef20de09915053" style="color: #1068bf;">3144e8ff</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-12-08T22:47:22-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Make (^) INLINE (#22324)
So that we get to cancel away the allocation for the lazily used base.
We can move `powImpl` (which *is* strict in the base) to the top-level
so that we don't duplicate too much code and move the SPECIALISATION
pragmas onto `powImpl`.
The net effect of this change is that `(^)` plays along much better with
inlining thresholds and loopification (#22227), for example in `x2n1`.
Fixes #22324.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1d3a8b8ec98e6eedf8943e19780ec374c2491e7f" style="color: #1068bf;">1d3a8b8e</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-08T22:47:59-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Typeable: Fix module locations of some definitions in GHC.Types
There was some confusion in Data.Typeable about which module certain
wired-in things were defined in. Just because something is wired-in
doesn't mean it comes from GHC.Prim, in particular things like LiftedRep
and RuntimeRep are defined in GHC.Types and that's the end of the story.
Things like Int#, Float# etc are defined in GHC.Prim as they have no
Haskell definition site at all so we need to generate type
representations for them (which live in GHC.Types).
Fixes #22510
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0f7588b5df1fc7a58d8202761bf1501447e48914" style="color: #1068bf;">0f7588b5</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-12-08T22:48:34-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Make `drop` and `dropWhile` fuse (#18964)
I copied the fusion framework we have in place for `take`.
T18964 asserts that we regress neither when fusion fires nor when it doesn't.
Fixes #18964.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/26e71562072f6740d52fcd38298340c287a641b8" style="color: #1068bf;">26e71562</a></strong>
<div>
<span> by Sebastian Graf </span> <i> at 2022-12-08T22:49:10-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Do not strictify a DFun's parameter dictionaries (#22549)
... thus fixing #22549.
The details are in the refurbished and no longer dead
`Note [Do not strictify a DFun's parameter dictionaries]`.
There's a regression test in T22549.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3609340743c1b25fdfd0e18b1670dac54c8d8623" style="color: #1068bf;">36093407</a></strong>
<div>
<span> by John Ericson </span> <i> at 2022-12-08T22:49:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Delete `rts/package.conf.in`
It is a relic of the Make build system. The RTS now uses a
`package.conf` file generated the usual way by Cabal.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b0cc2fcfc485da772c5ffef1b625af9e7ae73129" style="color: #1068bf;">b0cc2fcf</a></strong>
<div>
<span> by Krzysztof Gogolewski </span> <i> at 2022-12-08T22:50:21-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fixes around primitive literals
* The SourceText of primitive characters 'a'# did not include
the #, unlike for other primitive literals 1#, 1##, 1.0#, 1.0##, "a"#.
We can now remove the function pp_st_suffix, which was a hack
to add the # back.
* Negative primitive literals shouldn't use parentheses, as described in
Note [Printing of literals in Core]. Added a testcase to T14681.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aacf616df0b4059e6b177ecb64624ae6fb1d1c87" style="color: #1068bf;">aacf616d</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2022-12-08T22:50:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>testsuite: Mark conc024 fragile on Windows
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ed239a24c71671c15ea59dae8073e4516558e47b" style="color: #1068bf;">ed239a24</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2022-12-09T09:42:16-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Document TH splices' interaction with INCOHERENT instances
Top-level declaration splices can having surprising interactions with
`INCOHERENT` instances, as observed in #22492. This patch
resolves #22492 by documenting this strange interaction in the GHC User's
Guide.
[ci skip]
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1023b432d0befd9675dcfcfb44c548b06b2fae8c" style="color: #1068bf;">1023b432</a></strong>
<div>
<span> by Mike Pilgrem </span> <i> at 2022-12-09T09:42:56-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix #22300 Document GHC's extensions to valid whitespace
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/79b0cec060594edac144d1b4d6c2c809a8d75fab" style="color: #1068bf;">79b0cec0</a></strong>
<div>
<span> by Luite Stegeman </span> <i> at 2022-12-09T09:43:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add support for environments that don't have setImmediate
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5b007ec52ba77051fedd2b9a6fb155b248081511" style="color: #1068bf;">5b007ec5</a></strong>
<div>
<span> by Luite Stegeman </span> <i> at 2022-12-09T09:43:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix bound thread status
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/65335d10c72a01cb52dbebd2a026c8c4dae2f88f" style="color: #1068bf;">65335d10</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Update containers submodule
This contains a fix necessary for the multi-repl to work on GHC's code
base where we try to load containers and template-haskell into the same
session.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4937c0bb32e208bd6588d3de6d168b112711a342" style="color: #1068bf;">4937c0bb</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian-multi: Put interface files in separate directories
Before we were putting all the interface files in the same directory
which was leading to collisions if the files were called the same thing.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8acb5b7be6244d1f0a91ebba4405bae935d8560c" style="color: #1068bf;">8acb5b7b</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian-toolargs: Add filepath to allowed repl targets
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5949d927a47d14b694a61f68608b68553b5e0c5c" style="color: #1068bf;">5949d927</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>driver: Set correct UnitId when rehydrating modules
We were not setting the UnitId before rehydrating modules which just led
to us attempting to find things in the wrong HPT. The test for this is
the hadrian-multi command (which is now added as a CI job).
Fixes #22222
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ab06c0f0ccaeb3277195e4eeac541c00558d4cc2" style="color: #1068bf;">ab06c0f0</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:15:45-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Add job to test hadrian-multi command
I am not sure this job is good because it requires booting HEAD with
HEAD, but it should be fine.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fac3e568e110226f68f4f9a9ad483fb5c0a7c98b" style="color: #1068bf;">fac3e568</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:16:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Update bootstrap plans to 9.2.* series and 9.4.* series.
This updates the build plans for the most recent compiler versions, as
well as fixing the hadrian-bootstrap-gen script to a specific GHC
version.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/195b08b4e933706ba4a29ab0a8357556d56f792c" style="color: #1068bf;">195b08b4</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:16:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>ci: Bump boot images to use ghc-9.4.3
Also updates the bootstrap jobs to test booting 9.2 and 9.4.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c658c580863fc23c29f183db3f52a2004756d84c" style="color: #1068bf;">c658c580</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-09T20:16:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hlint: Removed redundant UnboxedSums pragmas
UnboxedSums is quite confusingly implied by UnboxedTuples, alas, just
the way it is.
See #22485
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b3e98a926ac05b8e59e3b31b74b019d4ecb462f6" style="color: #1068bf;">b3e98a92</a></strong>
<div>
<span> by Oleg Grenrus </span> <i> at 2022-12-11T12:26:17-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add heqT, a kind-heterogeneous variant of heq
CLC proposal https://github.com/haskell/core-libraries-committee/issues/99
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bfd7c1e653c207dd5dea599f16ee4afad03f2ea5" style="color: #1068bf;">bfd7c1e6</a></strong>
<div>
<span> by Bodigrim </span> <i> at 2022-12-11T12:26:55-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Document that Bifunctor instances for tuples are lawful only up to laziness
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d1a18812f7f91a947e5d14c0ebf1ae2a0627c55" style="color: #1068bf;">5d1a1881</a></strong>
<div>
<span> by Bryan Richter </span> <i> at 2022-12-12T16:22:36-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Mark T21336a fragile
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c30accc2f8a0585c76cb534beda04fba624bce1c" style="color: #1068bf;">c30accc2</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2022-12-12T16:23:11-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add test for #21476
This issues seems to have been fixed since the ticket was made, so let's
add a test and move on.
Fixes #21476
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8a4c499ba068972c4656f807444777d17754a5b2" style="color: #1068bf;">8a4c499b</a></strong>
<div>
<span> by Richard Eisenberg </span> <i> at 2022-12-14T08:36:32-05:00 </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;'>Drop support for kind constraints.
This implements proposal 547 and closes ticket #22298.
See the proposal and ticket for motivation.
</pre>
</li>
</ul>
<h4 style="margin-top: 10px; margin-bottom: 10px;">
30 changed files:
</h4>
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<li class="file-stats">
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.gitlab-ci.yml
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<a href="#157f7634c25bc6366cb7c9c9edb48e819dce38db" style="color: #1068bf;">
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<a href="#a6883fe5ffe69ebc49b16c7e553faba405221f57" style="color: #1068bf;">
.gitlab/gen_ci.hs
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.gitlab/jobs.yaml
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compiler/CodeGen.Platform.h
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<a href="#0887cf39c5cdf9cf8d6758f410d7dab3023c0d77" style="color: #1068bf;">
compiler/GHC/Builtin/Names.hs
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<a href="#06764eb0158306b83ab1998d18316392a51838c2" style="color: #1068bf;">
compiler/GHC/Builtin/Names/TH.hs
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<a href="#a1519b7fe8a0d4b42e4aaa927fb6ab5b5da0fcdd" style="color: #1068bf;">
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<a href="#377cfd14c1f92357465df995ec6537b074051322" style="color: #1068bf;">
compiler/GHC/Builtin/Types.hs
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<a href="#451725cc4e5d443a3b7c2adcdf224840f953b7e2" style="color: #1068bf;">
compiler/GHC/Builtin/primops.txt.pp
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<a href="#db697f6aea9f93f1583f1d5c62d25570a1e07f73" style="color: #1068bf;">
compiler/GHC/Cmm/CLabel.hs
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<a href="#359dccbd5e329f4f4f3c88b6d43f0ad5dd435fe3" style="color: #1068bf;">
compiler/GHC/Cmm/ContFlowOpt.hs
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<a href="#c898e00d01234ab22d3b485be68db3645f52f220" style="color: #1068bf;">
compiler/GHC/Cmm/MachOp.hs
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<a href="#90378e83c3a00a78bc0b3c01da111e0a787de451" style="color: #1068bf;">
compiler/GHC/Cmm/Node.hs
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<a href="#71e696f452eb493722d70306c6f304fc9b2f6a95" style="color: #1068bf;">
compiler/GHC/Cmm/Parser.y
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<a href="#29a1593e7281c8a9103a19e3a7562e2365e23b47" style="color: #1068bf;">
compiler/GHC/Cmm/ProcPoint.hs
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<li class="file-stats">
<a href="#10b61652f9817945bb54ccf8fc40f8a664ca3c30" style="color: #1068bf;">
compiler/GHC/CmmToAsm.hs
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<a href="#6997a0cd37829d3d08db1c48185aaa3d7dfc3e6b" style="color: #1068bf;">
compiler/GHC/CmmToAsm/AArch64/CodeGen.hs
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<a href="#5986ebaacfa99d264abfd2f7ef19d99a64db720f" style="color: #1068bf;">
compiler/GHC/CmmToAsm/BlockLayout.hs
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<a href="#3022d7d8a06ba257d13bbd18a3347522287aa684" style="color: #1068bf;">
compiler/GHC/CmmToAsm/PPC/Ppr.hs
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<a href="#02f4cb4badaefd6ed6f1ae3ff38a357c449fc286" style="color: #1068bf;">
compiler/GHC/CmmToAsm/Reg/Graph/Spill.hs
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<a href="#3aba9ceb20d68f25343fe3a27b2b7a4f8fea68da" style="color: #1068bf;">
compiler/GHC/CmmToAsm/Reg/Graph/SpillClean.hs
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<a href="#18fcc4c56813c879ea69a2e6b2bdf6b09dd037c5" style="color: #1068bf;">
compiler/GHC/CmmToAsm/Reg/Graph/SpillCost.hs
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<a href="#70e6dda2b94c6f8cdd584c1b68c5af73bb1f64e3" style="color: #1068bf;">
compiler/GHC/CmmToAsm/Reg/Graph/TrivColorable.hs
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<a href="#83a3b2df5c77503c3a8c6df05a7654333d30cac3" style="color: #1068bf;">
compiler/GHC/CmmToAsm/Reg/Linear.hs
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<a href="#3225e35c655b58843bc349bd56680268cdf059ed" style="color: #1068bf;">
compiler/GHC/CmmToAsm/Reg/Linear/FreeRegs.hs
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<a href="#6b7e521fe89077442c3d86c888eb96793606049a" style="color: #1068bf;">
compiler/GHC/CmmToAsm/Reg/Linear/JoinToTargets.hs
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<a href="#d521a7e9ecba2e084a32cf4aa6c27fa59efbab32" style="color: #1068bf;">
compiler/GHC/CmmToAsm/Reg/Target.hs
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