[Git][ghc/ghc][wip/dmd-arity] 11 commits: update-autoconf: Initial commit

[Marge Bot]

 Marge Bot pushed to branch wip/dmd-arity at Glasgow Haskell Compiler / GHC


Commits:
faa94d47 by Ben Gamari at 2019-04-25T21:16:21Z
update-autoconf: Initial commit

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4811cd39 by Ben Gamari at 2019-04-25T21:16:21Z
Update autoconf scripts

Scripts taken from autoconf a8d79c3130da83c7cacd6fee31b9acc53799c406

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0040af59 by Ben Gamari at 2019-04-25T21:16:21Z
gitlab-ci: Reintroduce DWARF-enabled bindists

It seems that this was inadvertently dropped in
1285d6b95fbae7858abbc4722bc2301d7fe40425.

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2c115085 by Wojciech Baranowski at 2019-04-30T01:02:38Z
rename: hadle type signatures with typos

When encountering type signatures for unknown names, suggest similar
alternatives.

This fixes issue #16504

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fb9408dd by Wojciech Baranowski at 2019-04-30T01:02:38Z
Print suggestions in a single message

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e8bf8834 by Wojciech Baranowski at 2019-04-30T01:02:38Z
osa1's patch: consistent suggestion message

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1deb2bb0 by Wojciech Baranowski at 2019-04-30T01:02:38Z
Comment on 'candidates' function

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8ee47432 by Wojciech Baranowski at 2019-04-30T01:02:38Z
Suggest only local candidates from global env

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e23f78ba by Wojciech Baranowski at 2019-04-30T01:02:38Z
Use pp_item

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1abb76ab by Ben Gamari at 2019-04-30T01:08:45Z
ghci: Ensure that system libffi include path is searched

Previously hsc2hs failed when building against a system FFI.

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014ed644 by Sebastian Graf at 2019-05-01T00:23:21Z
Compute demand signatures assuming idArity

This does four things:

1. Look at `idArity` instead of manifest lambdas to decide whether to use LetUp
2. Compute the strictness signature in LetDown assuming at least `idArity`
   incoming arguments
3. Remove the special case for trivial RHSs, which is subsumed by 2
4. Don't perform the W/W split when doing so would eta expand a binding.
   Otherwise we would eta expand PAPs, causing unnecessary churn in the
   Simplifier.

NoFib Results

--------------------------------------------------------------------------------
        Program         Allocs    Instrs
--------------------------------------------------------------------------------
 fannkuch-redux          +0.3%      0.0%
             gg          -0.0%     -0.1%
       maillist          +0.2%     +0.2%
        minimax           0.0%     +0.8%
         pretty           0.0%     -0.1%
        reptile          -0.0%     -1.2%
--------------------------------------------------------------------------------
            Min          -0.0%     -1.2%
            Max          +0.3%     +0.8%
 Geometric Mean          +0.0%     -0.0%

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15 changed files:

- .gitlab-ci.yml
- compiler/basicTypes/Demand.hs
- compiler/basicTypes/Id.hs
- compiler/basicTypes/IdInfo.hs
- compiler/basicTypes/Var.hs
- compiler/coreSyn/CoreArity.hs
- compiler/coreSyn/CoreLint.hs
- compiler/coreSyn/CoreUnfold.hs
- compiler/rename/RnEnv.hs
- compiler/simplCore/SimplMonad.hs
- compiler/simplCore/SimplUtils.hs
- compiler/stranal/DmdAnal.hs
- compiler/stranal/WorkWrap.hs
- compiler/stranal/WwLib.hs
- config.guess


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/compare/c2558fdae10171b609dc282808327e755026ac8c...014ed644eea9037427c1ebeaac16189b00f9dbc7

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/compare/c2558fdae10171b609dc282808327e755026ac8c...014ed644eea9037427c1ebeaac16189b00f9dbc7
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