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<h3 style="margin-top: 20px; margin-bottom: 10px;">
Cheng Shao pushed to branch wip/wasm-jsffi-sync-export at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4 style="margin-top: 10px; margin-bottom: 10px;">
Commits:
</h4>
<ul>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1c8e608a84b9d54abb352b59a592d4669872517e">1c8e608a</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-21T20:18:41-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>compiler: use fromAscList when applicable
This patch uses fromAscList (with O(n) complexity) instead of fromList
(with O(nlogn) complexity) in certain Binary instances. It's safe to
do so since the corresponding serialization logic is based on toList
(same as toAscList).
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/549e0aff175ba75ed1461563c0641837fd6aad78">549e0aff</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2025-02-21T20:19:18-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>rts/linker/MachO: Mark internal symbols as static
There is no reason why these should have external linkage.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fbf3d02073cbafa4fa22c080664c9773a420d876">fbf3d020</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-22T07:41:01-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>wasm: bump dyld v8 heap size limit
This patch sets `--max-old-space-size=65536` as wasm dyld shebang
arguments to lessen v8 heap pressure in certain workloads that load
the full ghc package. It doesn't really commit 64G memory but it does
help reduce v8 gc overhead.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cb60da245b2fea7a0c39af0e58f9ef89104a9255">cb60da24</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-22T07:41:01-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>wasm: fix dyld for shared libraries created by llvm 20.x
This patch fixes wasm dyld script for shared libraries created by llvm
20.x. The __wasm_apply_data_relocs function is now optional and may be
omitted for shared libraries without any runtime relocatable data
segments, so only call __wasm_apply_data_relocs when it's present.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7eea38c838c9d839e9efea0e6d9f79034e99fa4f">7eea38c8</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-22T07:41:37-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>driver: fix wasm backend sysroot lookup logic when -flto is passed
For the wasm target, the driver calls `wasm32-wasi-clang
--print-search-dirs` and finds the sysroot directory that contains
libc.so etc, then passes the directory path to dyld. However, when GHC
is configured with -flto as a part of C/C++ compiler flags, the clang
driver would insert a llvm-lto specific directory in the
--print-search-dirs output and the driver didn't take that into
account. This patch fixes it and always selects the non-lto sysroot
directory to be passed to dyld. This is one small step towards
supporting building all cbits with lto for wasm.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f3bfe31e6190d4161b0225e1e8bd0c8088f2c54d">f3bfe31e</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-23T14:06:25-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>wasm: add Note [Variable passing in JSFFI] as !13583 follow up
This patch adds a note to explain how the magic variables like
`__ghc_wasm_jsffi_dyld` are brought into scope of JSFFI code snippets,
as follow up work of !13583.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c318be56f69eb87f1cbb219dd660f09498857ece">c318be56</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-23T14:07:02-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>libffi: update to 3.4.7
Bumps libffi submodule.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/33aca30fbff67188fd5692cf40f1e2542663bfec">33aca30f</a></strong>
<div>
<span> by sheaf </span> <i> at 2025-02-25T08:58:46-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>LLVM: account for register type in funPrologue
We were not properly accounting for the live register type of
global registers in GHC.CmmToLlvm.CodeGen.funPrologue. This meant that
we could allocated a register at type <4 x i32> but try to write to it
at type <8 x i16>, which LLVM doesn't much like.
This patch fixes that by inserting intermerdiate casts when necessary.
Fixes #25730
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0eb58b0e1e9a5b2f28dada66c32d37a640644553">0eb58b0e</a></strong>
<div>
<span> by sheaf </span> <i> at 2025-02-25T08:59:29-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>base: make Data.List.NonEmpty.unzip match Data.List
This commit makes Data.List.NonEmpty.unzip match the implementation
of Data.List, as was suggested in approved CLC proposal #107.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f4da90f11e3a3a634ec3edb6d70d96fe3515b726">f4da90f1</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2025-02-25T14:11:21-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>interpreter: Fix underflow frame lookups
BCOs can be nested, resulting in nested BCO stack frames where the inner most
stack frame can refer to variables stored on earlier stack frames via the
PUSH_L instruction.
|---------|
| BCO_1 | -<-┐
|---------|
......... |
|---------| | PUSH_L <n>
| BCO_N | ->-┘
|---------|
Here BCO_N is syntactically nested within the code for BCO_1 and will result
in code that references the prior stack frame of BCO_1 for some of it's local
variables. If a stack overflow happens between the creation of the stack frame
for BCO_1 and BCO_N the RTS might move BCO_N to a new stack chunk while leaving
BCO_1 in place, invalidating a simple offset based reference to the outer stack
frames.
Therefore `ReadSpW` first performs a bounds check to ensure that accesses onto
the stack will succeed. If the target address would not be a valid location for
the current stack chunk then `slow_spw` function is called, which dereferences
the underflow frame to adjust the offset before performing the lookup.
┌->--x | CHK_1 |
| CHK_2 | | | |---------|
|---------| | └-> | BCO_1 |
| UD_FLOW | -- x |---------|
|---------| |
| ...... | |
|---------| | PUSH_L <n>
| BCO_ N | ->-┘
|---------|
Fixes #25750
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c3f2d284656f7b37e7c690cf6a8910656b7f46ac">c3f2d284</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2025-02-25T14:11:58-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Remove ArgPatBuilder
ArgPatBuilder in Parser/PostProcess.hs became redundant with the
introduction of InvisPat (36a75b80eb).
This small refactoring removes it.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0f2241e9758e8b74fedfe52269a8fb1ff17858cb">0f2241e9</a></strong>
<div>
<span> by sheaf </span> <i> at 2025-02-25T19:23:21-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Propagate long distance info to guarded let binds
This commit ensures that we propagate the enclosing long distance
information to let bindings inside guards, in order to get accurate
pattern-match checking warnings, in particular incomplete record
selector warnings.
Example:
data D = K0 | K1 { fld :: Int }
f :: D -> Int
f d@(K1 {})
| let i = fld d
= i
f _ = 3
We now correctly recognise that the field selector 'fld' cannot fail,
due to the outer pattern match which guarantees that the value 'd' has
the field 'fld'.
Fixes #25749
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/64b0d4d061902c0f7443355fa4877ff6aad946d5">64b0d4d0</a></strong>
<div>
<span> by Fangyi Zhou </span> <i> at 2025-02-25T19:24:07-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>wasm: use primitive opcodes for fabs and sqrt
- Add new `WasmInstr` constructor `WasmSqrt` for sqrt, corresponding to
primitivie operations in wasm.
- When lowering CallishMachOp, use `WasmAbs` and `WasmSqrt` for F32 and
F64 fabs and sqrt.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/272eaef0be1417f27601616fe002d68dee9708a6">272eaef0</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-25T19:24:43-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>hadrian: enable building stage1 haddock for cross ghc
This commit enables building stage1 haddock for cross ghc. Without
this change, hadrian would panic with "Unknown program" error when
building the _build/stage1/bin/cross-prefix-haddock program needed by
the docs-haddock target, even if it only needs to copy from
_build/stage0/bin/cross-prefix-haddock.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a794e7338e6657ddd0595015bbf024aa160c3de0">a794e733</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-25T19:24:43-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>hadrian: enable building docs for cross targets
Hadrian used to omit the docs target as a part of binary-dist-dir for
cross targets. This commit enables docs to be built as a part of cross
bindists and it works just fine in CI.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6dba56e1bd69f1af1b79b8d86132bd4e04998159">6dba56e1</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-25T19:24:43-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>ci: build haddock/sphinx-html for wasm jobs
This commit enables building haddock & sphinx-html documentation for
wasm targets. The docs are useful for end users and should be tested
in CI.
I've omitted pdf & manpage generation for the wasm target; I've never
found the pdf version of docs to be useful, and the manpage only
contains `ghc.1` where we really want `wasm32-wasi-ghc.1` but that
should be a separate issue to fix.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2d6a63ab66427a3ee6b0861656f3fc4f59f7692c">2d6a63ab</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-25T19:25:20-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>ghci: remove unused showBreakArray function
GHCi.BreakArray.showBreakArray is not used anywhere, hence the
housecleaning.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b228fcb5313e82895493a6ef7f0a2e803695de02">b228fcb5</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-25T19:25:57-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>ghc-heap: fix HalfWord incompatible Binary instances for cross GHC
ghc-heap defines HalfWord as Word32/Word16 depending on host word
size. For cross GHC with different host/target word sizes, the Binary
instances are incompatible and breaks iserv serialization of any
message type that involves HalfWord, breaking the ghci debugger. This
patch fixes the issue and has been tested to fix ghci debugger
functionality of the wasm backend. Fixes #25420 #25781.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ec02f8c2f04d6fefd91e687512e5cf315f75e9cf">ec02f8c2</a></strong>
<div>
<span> by Rodrigo Mesquita </span> <i> at 2025-02-26T11:03:38-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>ghci-debugger: display thunks provenance if avail
Improves reporting on ghci breakpoints when IPE information is available
by printing, next to the thunk, the source file and src span where the
thunk originated.
Closes #25746
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6acaff2b8094d20ff65d459dcc086f20fe0c0bc1">6acaff2b</a></strong>
<div>
<span> by Vladislav Zavialov </span> <i> at 2025-02-26T11:04:15-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Tidy up error messages for TypeAbstractions
1. Print the '@' symbol before invisible patterns and improve phrasing:
T24557c.hs:8:4: error: [GHC-11983]
- Invisible type pattern pat is not allowed here
+ Illegal invisible type pattern: @pat
+ An invisible type pattern must occur in an argument position.
2. Use a single error code for all type abstractions deemed illegal
due to the TypeAbstractions extension being disabled.
Before this change:
* [GHC-78249] was used in function equations, lambdas
* [GHC-17916] was used in constructor patterns
After this change:
* [GHC-78249] is used to report all illegal type abstractions
* [GHC-17916] is no longer used
There was no reason for both error codes to exist and this distinction
was a source of complexity in GHC/Tc/Errors/* and GHC/Rename/Pat.hs
3. Group the different "invisible type pattern" error constructors
under a single parent constructor, TcRnIllegalInvisibleTypePattern
containing BadInvisPatReason
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1ce9502ee0c5ecbdf10f35b3a6eeb09cd6751b94">1ce9502e</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2025-02-27T04:48:29-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>haddock/doc: Drop version and release
We currently have no way of keeping this up-to-date with the project version</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7f358f25ad5604c6e6053f880ca7057690ebd864">7f358f25</a></strong>
<div>
<span> by Matthew Pickering </span> <i> at 2025-02-27T04:49:06-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>testsuite: Add test for :steplocal performance
This adds a simple test which exercises #25779
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a6a3ffa698c1f5f89bb91ee1d15300fb9f72a285">a6a3ffa6</a></strong>
<div>
<span> by Sven Tennie </span> <i> at 2025-02-27T23:34:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Do not deallocate stack for jump/switch table jumps
Though the name is misleading, we consider them to be branching. For
branch instructions we do not deallocate (parts of) the stack, but keep
the stack pointer (sp) intact.
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/39e51ddbc03afda71608bcef75c64f57c6175183">39e51ddb</a></strong>
<div>
<span> by Sven Tennie </span> <i> at 2025-02-27T23:34:47-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Add reproducer for dealloc instructions in switch table jump expressions (#25733)
Measures taken to make the test stable:
- Use 'a' as variable prefix, because X86 32bit stumbled over the
variable name 'i386'
- Flush stdout to make test output deterministic
- Use type annotations to support 32bit archs
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d427df93bfcb0aef1a84a816b82ab2204dcce76a">d427df93</a></strong>
<div>
<span> by Sylvain Henry </span> <i> at 2025-02-27T23:35:30-05:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Remove redundant location strings in expectJust and friends (#25743)
Now we can use HasDebugCallStack instead to avoid cluttering the code
with strings and to avoid maintaining those strings (e.g. renaming them
when functions are renamed...).
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8bb591349ec1a30b0b542c4686a2023d1b5710cc">8bb59134</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-28T04:41:46+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>rts: correct top handler closure signatures
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a94b593908800d922eba4ed5d95c6da37c5da53b">a94b5939</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-28T04:41:46+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>compiler: allow arbitrary label string for JSFFI exports
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3d68b16df72c44f9338e966f47f0e082f79dfd31">3d68b16d</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-28T04:41:47+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>compiler: wasm backend JSFFI sync exports
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6419fafee13ec8e484dd5944afa830659e02d258">6419fafe</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-28T04:41:50+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>testsuite: test wasm backend JSFFI sync exports
</pre>
</li>
<li>
<strong style="font-weight: 600;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/04383248713c89a1cb624e6580e647fc07f78f62">04383248</a></strong>
<div>
<span> by Cheng Shao </span> <i> at 2025-02-28T04:41:50+00:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #3a383f; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>docs: document wasm backend JSFFI sync exports
</pre>
</li>
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<h4 style="margin-top: 10px; margin-bottom: 10px;">
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