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- Nov 26, 2023
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We no longer need the EpAnnNotUsed constructor for EpAnn, as we can represent an unused annotation with an anchor having a EpaDelta of zero, and empty comments and annotations. This simplifies code handling annotations considerably. Updates haddock submodule Metric Increase: parsing001 -
This warning had no name or flag and was triggered unconditionally. Now it is part of -Wcompat.
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- Nov 24, 2023
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This is called from PostProcess.hs, and adds spurious parens. With the looser version of exact printing we had before we could tolerate this, as they would be swallowed by the original at the same place. But with the next change (remove EpAnnNotUsed) they result in duplicates in the output. For Darwin build: Metric Increase: MultiLayerModulesTH_OneShot -
`genFMA3Code` assumed that we had to take extra precations to avoid overwriting the result of `getNonClobberedReg`. One of these special cases caused a bug resulting in broken assembly. I believe we don't need to hadle these cases specially at all, which means this MR simply deletes the special cases to fix the bug. Fixes #24160
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- Nov 23, 2023
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In Parser.y, the tup_tail rule had the following option | {- empty -} %shift { return [Left noAnn] } Once this works through PostProcess.hs, it means we add an extra Missing constructor if the last item was a comma. Change the annotation type to a Bool to indicate this, and use the EpAnn Anchor for the print location for the others. -
The hpc testsuite was split between testsuite/tests/hpc and the submodule libraries/hpc/test. This commit unifies the two testsuites in the GHC repository in the directory testsuite/tests/hpc.
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- Nov 22, 2023
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The Present constructor for a Tuple argument will never have an exact print annotation. So make this impossible.
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As commited in Cargo https://github.com/haskell/cabal/pull/9434 there is confusion between "gnu" and "hurd". This got fixed in Cargo, we need the converse in Hadrian. Fixes #24180
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Owen Shepherd authoredThis fixes several typos in the comments of Data.List.NonEmpty export list items.
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- Nov 21, 2023
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Fixes #24025.
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A `.target` file generated by ghc-toolchain or by configure can become invalid if the target representation (`Toolchain.Target`) is changed while the files are not re-generated by calling `./configure` or `ghc-toolchain` again. There is also the issue of hadrian caching the dependencies on `.target` files, which makes parsing fail when reading reading the cached value if the representation has been updated. This patch provides a better error message in both situations, moving away from a terrible `Prelude.read: no parse` error that you would get otherwise. Fixes #24199
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[skip ci]
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- Nov 20, 2023
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Fixes #6070.
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This is more natural, since we already need to deal with invalid RealSrcSpans, and that is exactly what SrcSpan.UnhelpfulSpan is for. Updates haddock submodule.
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As discussed at https://github.com/haskell/core-libraries-committee/issues/4
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- Nov 18, 2023
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Remove the final Monoid instances in the exact print infrastructure. For Windows CI Metric Decrease: T5205 -
As these aren't ever emitted, we don't even know if they work or will ever be used. If one of them is needed in future, we may easily re-add it. Deleted instructions are: - CMN - ANDS - BIC - BICS - EON - ORN - ROR - TST - STP - LDP - DMBSY
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- Nov 17, 2023
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Luite Stegeman authored
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Updated doc string for traceShow.
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Explicitly define some and many in Alternative instance for Data.Functor.Compose Implementation of https://github.com/haskell/core-libraries-committee/issues/181
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Use rep size rather than rep count to compute the size. Fixes #22309
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- Nov 16, 2023
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A helper function was defined in a different module than used. To reproduce: ./hadrian/build test --test-root-dirs=testsuite/tests/rts/ipe
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This commit fixes an issue with ModUnusable introduced in df0f148f. In mkUnusableModuleNameProvidersMap we traverse the list of unusable units and generate ModUnusable origin for all the modules they contain: exposed modules, hidden modules, and also re-exported modules. To do this we have a two-level map: ModuleName -> Unit:ModuleName (aka Module) -> ModuleOrigin So for each module name "M" in broken unit "u" we have: "M" -> u:M -> ModUnusable reason However in the case of module reexports we were using the *target* module as a key. E.g. if "u:M" is a reexport for "X" from unit "o": "M" -> o:X -> ModUnusable reason Case 1: suppose a reexport without module renaming (u:M -> o:M) from unusable unit u: "M" -> o:M -> ModUnusable reason Here it's claiming that the import of M is unusable because a reexport from u is unusable. But if unit o isn't unusable we could also have in the map: "M" -> o:M -> ModOrigin ... Issue: the Semigroup instance of ModuleOrigin doesn't handle the case (ModUnusable <> ModOrigin) Case 2: similarly we could have 2 unusable units reexporting the same module without renaming, say (u:M -> o:M) and (v:M -> o:M) with u and v unusable. It gives: "M" -> o:M -> ModUnusable ... (for u) "M" -> o:M -> ModUnusable ... (for v) Issue: the Semigroup instance of ModuleOrigin doesn't handle the case (ModUnusable <> ModUnusable). This led to #21097, #16996, #11050. To fix this, in this commit we make ModUnusable track whether the module used as key is a reexport or not (for better error messages) and we use the re-export module as key. E.g. if "u:M" is a reexport for "o:X" and u is unusable, we now record: "M" -> u:M -> ModUnusable reason reexported=True So now, we have two cases for a reexport u:M -> o:X: - u unusable: "M" -> u:M -> ModUnusable ... reexported=True - u usable: "M" -> o:X -> ModOrigin ... reexportedFrom=u:M The second case is indexed with o:X because in this case the Semigroup instance of ModOrigin is used to combine valid expositions of a module (directly or via reexports). Note that module lookup functions select usable modules first (those who have a ModOrigin value), so it doesn't matter if we add new ModUnusable entries in the map like this: "M" -> { u:M -> ModUnusable ... reexported=True o:M -> ModOrigin ... } The ModOrigin one will be used. Only if there is no ModOrigin or ModHidden entry will the ModUnusable error be printed. See T21097 for an example printing several reasons why an import is unusable.
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My earlier fix turns out to be too aggressive for data/type families See wrinkle (DTV1) in Note [Disconnected type variables]
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Fixes #24099
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- Nov 15, 2023
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We did not use the annotations returned from splitLHsForAllTyInvis, so do not return them.
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Programs with a -Wloopy-superclass-solve warning will now fail with an error. Fixes #23017
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The JStg IR update was missing some local variable declarations that were present earlier, causing global variables to be used implicitly (or an error in JavaScript strict mode). This adds the local variable declarations again.
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Previously, we were branching on whether the build system was darwin to shortcut this check, but we really want to branch on whether the target system (which is what we are configuring ld_prog for) is darwin.
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The recent toolchain upgrade on darwin machines resulted in the MultiLayerModulesTH_Make test metrics varying too much from the baseline, ultimately blocking the CI pipelines. This commit skips the test on darwin to temporarily avoid failures due to the environment change in the runners. However, the metrics divergence is being investigated still (tracked in #24177)
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In XCode 15's linker, -single_module is the default and otherwise passing it as a flag results in a warning being raised: ld: warning: -single_module is obsolete This patch fixes this warning by, at configure time, determining whether the linker supports -single_module (which is likely false for all non-darwin linkers, and true for darwin linkers in previous versions of macOS), and using that information at runtime to decide to pass or not the flag in the invocation. Fixes #24168 -
MacOS seems to have fixed an issue where it used to ignore the variable `LC_ALL` in program invocations and default to using Unicode. Since the behaviour seems to be fixed to account for the locale variable, we mark tests that were previously broken in spite of it as fragile (since they now pass in recent macOS distributions) See #24161
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A regression in the new iconv() distributed with XCode 15 and MacOS Sonoma causes the test 'encoding004' to fail in the CP936 roundrip. We mark this test as fragile until this is fixed upstream (rather than broken, since previous versions of iconv pass the test) See #24161
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Fixes #24167 XCode 15 introduced a new linker which warns on duplicate libraries being linked. To disable this warning, we pass -Wl,-no_warn_duplicate_libraries as suggested by Brad King in CMake issue #25297. This flag isn't necessarily available to other linkers on darwin, so we must only configure it into the CC linker arguments if valid.
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- Nov 13, 2023
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- Nov 12, 2023
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Alan Zimmerman authored
Now that the Anchor type is an alias for EpaLocation, remove AnchorOperation. Updates haddock submodule
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