- Apr 02, 2024
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This commit fixes rts compilation errors when compiling with TSAN: - xxx_FENCE macros are redefined and trigger CPP warnings. - Use SIZEOF_W. WORD_SIZE_IN_BITS is provided by MachDeps.h which Cmm.h doesn't include by default.
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This should be `#if defined(TSAN_ENABLED)`, not `#if TSAN_ENABLED`, lest we suffer warnings.
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- Apr 01, 2024
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- Mar 29, 2024
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Alan Zimmerman authored
This goes slightly against the exact printing philosophy where trailing decorations should be in an annotation, but the practicalities of adding it to the WarningTxt environment, and the problems caused by deviating do not make a more principles approach worthwhile.
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Fixes #24601.
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- Mar 27, 2024
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Alan Zimmerman authored
The span was incorrect if opt_datafam_kind_sig was empty
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The lexer inserts virtual semicolons having zero width. Do not use them to extend the list span of items in a list.
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`rts/js/config.js`
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This reverts commit 5bd8ed53. Fixes #24586
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For issue #21506, we started cleaning the extended attributes of binaries and libraries from the bindist *after* they were installed to workaround notarisation (#17418), as part of `make install`. However, the `ghc-toolchain` binary that is now shipped with the bindist must be run at `./configure` time. Since we only cleaned the xattributes of the binaries and libs after they were installed, in some situations users would be unable to run `ghc-toolchain` from the bindist, failing at configure time (#24554). In this commit we move the xattr cleaning logic to the configure script. Fixes #24554
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A user may configure `LDFLAGS` but not `LD`. When choosing a linker, we will prefer `ldd`, then `ld.gold`, then `ld.bfd` -- however, we have to check for a working linker. If either of these fail, we try the next in line. However, we were not considering the `$LDFLAGS` when checking if these linkers worked. So we would pick a linker that does not support the current $LDFLAGS and fail further down the line when we used that linker with those flags. Fixes #24565, where `LDFLAGS=-Wl,-z,pack-relative-relocs` is not supported by `ld.gold` but that was being picked still.
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- Mar 26, 2024
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This commit bumps the libffi-tarballs submodule to libffi 3.4.6, which includes numerous upstream libffi fixes, especially https://github.com/libffi/libffi/issues/760.
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- Mar 25, 2024
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This patch fixes function prototypes in ARMOutlineAtomicsSymbols.h which causes "error: address argument to atomic operation must be a pointer to _Atomic type" when compiling with clang on aarch64.
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- Mar 23, 2024
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When checking if a jump has more than one destination account for the possibility of some jumps not being representable by a BlockId. We do so by having isJumpishInstr return a `Maybe BlockId` where Nothing represents non-BlockId jump destinations. Fixes #24507
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This hint is outdated, ``Complex Float`` are now specialised, and the heap space suggestion needs more nuance so it should be explained in the unboxed/storable array documentation.
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This fixes #24553, where GHC unhelpfully said error: [GHC-83865] • Expected kind ‘* -> * -> *’, but ‘Foo’ has kind ‘* -> * -> *’ See Note [Showing invisible bits of types in error messages] -
Fixes for a bug in desugaring pattern synonyms matches, introduced while working on on expanding `do`-blocks in #18324 The `matchWrapper` unecessarily (and incorrectly) filtered out the default wild patterns in a match. Now the wild pattern alternative is simply ignored by the pm check as its origin is `Generated`. The current code now matches the expected semantics according to the language spec.
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On 64-bit platforms, every Word32 fits in an Int, so we can convert to Int# without having to perform the overflow check integerFromWord# uses internally.
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- Mar 22, 2024
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In #24551, we abstracted a string literal binding over a type variable, triggering a CoreLint error when that binding floated to top-level. The solution implemented in this patch fixes this by re-doing dependency analysis on a simplified recursive let binding that is about to be type abstracted, in order to find the minimal set of type variables to abstract over. See wrinkle (AB5) of Note [Floating and type abstraction] for more details. Fixes #24551
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- Use unsafeChr because we know our values to be valid - Remove some unnecessary use of `ord` (return Word8 values directly)
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See added Note and #24566. Default declarations must be type-checked before deriving clauses.
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- Mar 21, 2024
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There was missing case for `SplicePat` in `pat_to_type_at` function, hence patterns with splicing that checked against `forall->` doesn't work properly because they fall into the "illegal pattern" case. Code example that is now accepted: g :: forall a -> () g $([p| a |]) = ()
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The documentation for Data.Complex says that the Ord instance for Complex Float is deficient, but there is no Ord instance for Complex a. The Eq instance for Complex Float is similarly deficient, so we use that as an example instead.
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Type operators differ from term operators in that they are lexically classified as (type) constructors, not as (type) variables. Prior to this change, promoteOccName did not account for this difference, causing a scoping issue that affected RequiredTypeArguments. type (!@#) = Bool f = idee (!@#) -- Not in scope: ‘!@#’ (BUG) Now we have a special case in promoteOccName to account for this.
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- Introduce a helper lens to compose on `EpAnn a` vs `a` versions - Rename some prime versions of functions back to non-prime They were renamed during the rework
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- Mar 20, 2024
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Simon Peyton Jones authored
Fixes #24559
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In #24563, we identified that IfaceAppArgs serialisation tags each cons cell element with a discriminator byte. These bytes add up quickly, blowing up interface files considerably when '-fwrite-if-simplified-core' is enabled. We compact the serialisation by writing out the length of 'IfaceAppArgs', followed by serialising the elements directly without any discriminator byte. This improvement can decrease the size of some interface files by up to 35%.
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This reverts commit c82770f5. The shellcheck suggestion is spurious and results in SUBST_TOOLDIR being a no-op. `set` sets positional arguments for bash, but we want to set the variable given as the first autoconf argument. Fixes #24542 Metric decreases because the paths in the settings file are now shorter, so we allocate less when we read the settings file. ------------------------- Metric Decrease: T12425 T13035 T9198 -------------------------
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ghcup can apparently infer the output name of an artifact from its URL. Consequently, we should only include the `dlOutput` field when it would differ from the filename of `dlUri`. Fixes #24547.
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As reported in #24546, the `dlTest` artifact should be extracted into the `testsuite` directory.
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Previously we would rather compress the xz *again*, before in addition compressing it with the desired scheme. Fixes #24545.
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This fixes #24525, a regression due to 41cbaf44. Specifically, GHC expects to find the mingw32 toolchain in the binary distribution root. However, after this patch it was packaged in the `lib/` directory.
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Previously we would call `dirname` twice per installed library file. We now instead reuse this result. This helps appreciably on Windows, where processes are quite expensive.
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- Mar 19, 2024
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