- Nov 01, 2023
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"where" should be after the injectivity annotation.
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The previous example didn't compile. Furthermore, it wasn't demonstrating the point properly. I have changed it to an example which shows that 'a' in the signature must be the same 'a' as in the instance head.
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- Oct 31, 2023
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Otherwise globally installed libraries (via `cabal install --lib`) break the build. Fixes #24131.
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constraint left-to-right then right to left, forever. Easily fixed.
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And ignore the ones allocated in haddock processing. It does not guarantee that every original haddock-like comment appears in the output, as it discards ones that have no legal attachment point. closes #23459
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- Oct 28, 2023
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48e39195 introduced `SYM_TYPE_DUP_DISCARD` to the bitfield. The linker however, failed to mask the `SYM_TYPE_DUP_DISCARD` value. Thus `== SYM_TYPE_CODE` comparisons easily failed. This lead to us relocating DATA lookups (GOT) into E8 (call) and E9 (jump) instructions.
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Fixes the STG/tag-inference analogue of #15226. Co-Authored-By:Simon Peyton Jones <simon.peytonjones@gmail.com>
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- Oct 27, 2023
- Oct 26, 2023
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Decouple runLink from DynFlags to allow calling runLink more easily. This is preliminary work for calling Emscripten's linker (emcc) from our JavaScript linker.
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This is done elsewhere in the source tree. It also suddenly is required on OpenBSD.
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- Oct 24, 2023
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ghc-api tests for wasm32 are more likely to timeout due to the large wasm module sizes, especially when testing with wasm native tail calls, given wasmtime's handling of tail call opcodes are suboptimal at the moment. It makes sense to increase timeout specifically for these tests on wasm32. This doesn't affect other targets, and for wasm32 we don't increase timeout for all tests, so not to risk letting major performance regressions slip through the testsuite.
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Josh Meredith authored
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- Oct 23, 2023
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- Fix span for GRHS - Move TrailingAnns from last match to FunBind - Fix GADT 'where' clause span - Capture full range for a CaseAlt Match
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- Oct 22, 2023
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Neither !10933 (check https://hackage.haskell.org/package/base-4.19.0.0/docs/src/Text.Read.Lex.html#numberToRangedRational) nor !10189 (check https://hackage.haskell.org/package/base-4.19.0.0/docs/src/Data.List.NonEmpty.html#unzip) were backported to `base-4.19.0.0`. Moving them to `base-4.20.0.0` section. Also minor stylistic changes to other entries, bringing them to a uniform form.
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We used to have MIN_UPD_SIZE macro that describes the minimum reserved size for thunks, so that the thunk can be overwritten in place as indirections or blackholes. However, this macro has not been actually defined or used anywhere since a long time ago; StgThunkHeader already reserves a padding word for this purpose. Hence this patch which drops stale mentions of MIN_UPD_SIZE.
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The RTS configure script is now solely responsible for managing its headers; the top level configure script does not help.
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We create a new cabal flag to facilitate this.
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`mingw64` and `mingw32` are now both accepted for `OSMinGW32`. This allows us to cope with configs/triples that we haven't normalized extra being what GNU `config.sub` does.
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We create a new cabal flag to facilitate this.
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Only exception is the LLVM version macros, which are used for GHC itself.
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Some of these functions are used in `base` too, but we can copy the checks over to its configure if that's an issue.
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- Oct 20, 2023
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These tests have been fixed but not tested and re-enabled on big-endian powerpc (see comments in #11260 and #11323)
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Literals weren't correctly aligned on big-endian, despite what the comment said.
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- Oct 19, 2023
- Oct 18, 2023
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Now that there are no conditional sections (see the previous commit), we can just a do simple substitution rather than pasting it together line by line. Progress on #23966
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Since 4e6c8019, these are guaranteed to be defined. (Guaranteed including a test in the testsuite.)
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Fixes #24091 Progress on #23966 Issue #24091 reports that `@ProjectVersion@` is no longer being substituted in the GHC user's guide. I assume this is a recent issue, but I am not sure how it's worked since c1a3ecde; it looks like both Hadrian and configure are trying to substitute the same `.in` file! Now only Hadrian does. That is better anyways; already something that issue #23966 requested. It seems like we were missing some dependencies in Hadrian. (I really, really hate that this is possible!) Hopefully it is fixed now.
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This allows T24066 to fail when the bug is present. Otherwise the out-of-bound access isn't detected as it happens in ghc-bignum which wasn't compiled with the bounds check.
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bigNatIndex# in the `where` clause wasn't guarded by "bigNatIsZero a".
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- Oct 14, 2023
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I noticed while working on !11451 that `@LIBRARY_parallel_UNIT_ID@` was not substituted. It is dead code -- there is no `parallel-ref` usages and it doesn't look like there ever was (going back to 3e5d0f18), so let's delete it.
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Hadrian passes the -DNOSMP flag to GHC when the target doesn't support SMP, but doesn't pass it to CC as well, leading to the following compilation error on mips64el: | Run Cc (FindCDependencies CDep) Stage1: rts/sm/NonMovingScav.c => _build/stage1/rts/build/c/sm/NonMovingScav.o.d Command line: /usr/bin/mips64el-linux-gnuabi64-gcc -E -MM -MG -MF _build/stage1/rts/build/c/hooks/FlagDefaults.thr_debug_p_o.d -MT _build/stage1/rts/build/c/hooks/FlagDefaults.o -Irts/include -I_build/stage1/rts/build -I_build/stage1/rts/build/include -Irts/include -x c rts/hooks/FlagDefaults.c -Wall -Wextra -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Winline -Wpointer-arith -Wmissing-noreturn -Wnested-externs -Wredundant-decls -Wundef -fno-strict-aliasing -DTHREADED_RTS -DDEBUG -fomit-frame-pointer -O2 -g -Irts -I_build/stage1/rts/build -DDEBUG -fno-omit-frame-pointer -g3 -O0 ===> Command failed with error code: 1 In file included from rts/include/Stg.h:348, from rts/include/Rts.h:38, from rts/hooks/FlagDefaults.c:8: rts/include/stg/SMP.h:416:2: error: #error memory barriers unimplemented on this architecture 416 | #error memory barriers unimplemented on this architecture | ^~~~~ rts/include/stg/SMP.h:440:2: error: #error memory barriers unimplemented on this architecture 440 | #error memory barriers unimplemented on this architecture | ^~~~~ rts/include/stg/SMP.h:464:2: error: #error memory barriers unimplemented on this architecture 464 | #error memory barriers unimplemented on this architecture | ^~~~~ The old make system correctly passed this flag to both GHC and CC [1]. Fix this error by passing -DNOSMP to CC as well. [1] https://gitlab.haskell.org/ghc/ghc/-/blob/00920f176b0235d5bb52a8e054d89a664f8938fe/rts/ghc.mk#L407 Closes #24082
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