- Dec 22, 2022
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Ben Gamari authored
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- Dec 21, 2022
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Ben Gamari authored
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Ben Gamari authored
Requires various submodule bumps.
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Ben Gamari authored
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The old assertion saw that a constraint ct could rewrite itself (of course it can) and complained (stupid). Fixes #22645
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Issue #22623 demonstrated another lacuna in the implementation of wrinkle (BS3) in Note [The binder-swap substitution] in the occurrence analyser. I was failing to add TyVar lambda binders using addInScope/addOneInScope and that led to a totally bogus binder-swap transformation. Very easy to fix.
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Fix #22459, in two ways: (1) Make the Specialiser not create a bogus specialisation if it is presented by strangely polymorphic dictionary. See Note [Weird special case in SpecDict] in GHC.Core.Opt.Specialise (2) Be more careful in abstractFloats See Note [Which type variables to abstract over] in GHC.Core.Opt.Simplify.Utils. So (2) stops creating the excessively polymorphic dictionary in abstractFloats, while (1) stops crashing if some other pass should nevertheless create a weirdly polymorphic dictionary.
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The latter has been deprecated. See #22566.
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As noted in #22566, this macro is deprecated as of autoconf-2.70 `AC_PROG_CC` now sets `ac_cv_prog_cc_c99` itself. Closes #22566.
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This change reflects the changes where .cabal files are now generated by hadrian rather than ./configure. Fixes #22518
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Scrub some partiality in `GHC.Cmm.Info.Build`: `doSRTs` takes a `[(CAFSet, CmmDecl)]` but truly wants a `[(CAFSet, CmmStatics)]`.
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- Dec 20, 2022
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Matthew Pickering authored
See #22649
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- Dec 19, 2022
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As noted in #22538, previously some GCC versions warned that various locals in Libdw.c may be used uninitialized. Although this wasn't strictly true (since they were initialized in an inline assembler block) we fix this by providing explicit empty initializers. Fixes #22538
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0e274c39 added an assertion in `dirty_MUT_VAR` checking that the MUT_VAR being dirtied was clean. However, this isn't necessarily the case since another thread may have raced us to dirty the object.
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- Dec 17, 2022
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Following convention as in other wasm toolchains. Fixes #22594.
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These are not present in wasi-libc. Required for fixing #22589
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- Dec 16, 2022
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Cheng Shao authored
When the `-mtail-call` clang flag is passed at configure time, wasm tail-call extension is enabled, and the wasm NCG will emit `return_call`/`return_call_indirect` instructions to take advantage of it and avoid the `StgRun` trampoline overhead. Closes #22461.
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Cheng Shao authored
In the wasm NCG, when handling a `CLabel` of undefined function without knowing its function signature, we used to fallback to `() -> ()` which is accepted by `wasm-ld`. This patch changes it to the signature of Cmm functions, which equally works, but would be required when we emit tail call instructions.
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Cheng Shao authored
Also removes some unreachable code here.
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Cheng Shao authored
It was just a temporary hack to workaround a bug in the relooper, that bug has been fixed long before the wasm backend is merged.
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It's starting to pass again, and the unexpected pass blocks CI.
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This is because of `filepath-1.4.100.0` and AFPP, causing increasing round-trips between lists and ByteArray. See #22625 for discussion. Metric Increase: MultiComponentModules MultiComponentModulesRecomp MultiLayerModules MultiLayerModulesRecomp T10421 T10547 T12150 T12227 T12234 T12425 T13035 T13253 T13253-spj T13701 T13719 T15703 T16875 T18140 T18282 T18304 T18698a T18698b T18923 T20049 T21839c T21839r T5837 T6048 T9198 T9961 TcPlugin_RewritePerf hard_hole_fits
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This is a rather simplistic way of solving #17289.
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