- 13 Jan, 2020 10 commits
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This patch clarifies a dark corner of quantified constraints. * See Note [Yukky eq_sel for a HoleDest] in TcSMonad * Minor refactor, breaking out new function TcInteract.doTopReactEqPred -
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The test fails when used with LANG=fr_FR.UTF-8
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Previously we would keep them for two weeks. However, on the stable branches two weeks can easily elapse with no pushes.
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This changes GHC's treatment of so-called Naughty Quantification Candidates to issue errors, instead of zapping to Any. Close #16775. No new test cases, because existing ones cover this well.
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This patch implements overloaded quotation brackets which generalise the desugaring of all quotation forms in terms of a new minimal interface. The main change is that a quotation, for example, [e| 5 |], will now have type `Quote m => m Exp` rather than `Q Exp`. The `Quote` typeclass contains a single method for generating new names which is used when desugaring binding structures. The return type of functions from the `Lift` type class, `lift` and `liftTyped` have been restricted to `forall m . Quote m => m Exp` rather than returning a result in a Q monad. More details about the feature can be read in the GHC proposal. https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0246-overloaded-bracket.rst
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- 08 Jan, 2020 3 commits
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This brings the pretty-printer for Core in line with how visible type applications are normally printed: namely, with no whitespace after the `@` character (i.e., `f @a` instead of `f @ a`). While I'm in town, I also give the same treatment to type abstractions (i.e., `\(@a)` instead of `\(@ a)`) and coercion applications (i.e., `f @~x` instead of `f @~ x`). Fixes #17643.
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(cherry picked from commit feb3b955)
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- 07 Jan, 2020 10 commits
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Analyzing the call sites for `HsModule` reveals that it is only ever used with parsed code (i.e., `GhcPs`). This simplifies `HsModule` by concretizing its `pass` parameter to always be `GhcPs`. Fixes #17642.
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`parallel` is no longer a submodule since 3cb063c8
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Otherwise the testsuite driver may not have an up-to-date baseline.
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Refactoring to follow.
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Previously we used platform.system() and while this worked fine (e.g. returned `Windows`, as expected) locally under both msys and MingW64 Python distributions, it inexplicably returned `MINGW64_NT-10.0` under MingW64 Python on CI. It seems os.name is more reliable so we now use that instead..
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In addition, we prefer the Mingw64 Python distribution on Windows due to #17483.
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Due to #17607.
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Also refactor FP_GCC_EXTRA_FLAGS in a few ways: * We no longer support compilers which lack support for -fno-builtin and -fwrapv so remove the condition on GccVersion * These flags are only necessary when using the via-C backend so make them conditional on Unregisterised. Fixes #15742.
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- 06 Jan, 2020 2 commits
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- 04 Jan, 2020 7 commits
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I have seen this fail both on x86-64/Debian 9 and armv7/Debian 9 See #17554.
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This is to prepare for ghc-bignum which implements some but not all of gmp functions.
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This a small utility function that comes in handy when debugging the lexer and the parser.
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Metric Increase: haddock.Cabal -
* stgToCmm hook * cmmToRawCmm hook These hooks are used by Asterius and could be useful to other clients of the GHC API. It increases the Parser dependencies (test CountParserDeps) to 184. It's still less than 200 which was the initial request (cf https://mail.haskell.org/pipermail/ghc-devs/2019-September/018122.html) so I think it's ok to merge this.
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- 01 Jan, 2020 4 commits
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When dumping Cmm groups check if the group is empty, to avoid generating empty sections in dump files like ==================== Output Cmm ==================== [] Also fixes a few bad indentation in the code around changes. -
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- 31 Dec, 2019 2 commits
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Fixed tests: * haddockA039: added to all.T * haddockE004: replaced with T17561 (marked as expect_broken) New tests: * haddockA040: deriving clause for a data instance * haddockA041: haddock and CPP #include
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- 30 Dec, 2019 2 commits
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As noted in #17624, it's quite unstable, especially, for some reason, on i386 and armv7 (something about 32-bit platforms perhaps?). Metric Increase: T1969 -
This makes it easier to see the true magnitude of fluctuations. Also do some house-keeping in the argument parsing department.
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