[Git][ghc/ghc][wip/T18545] 13 commits: hadrian: depend on boot compiler version #18001

[Ben Gamari]

Ben Gamari pushed to branch wip/T18545 at Glasgow Haskell Compiler / GHC


Commits:
a11c9678 by Adam Sandberg Ericsson at 2020-08-09T11:32:25+02:00
hadrian: depend on boot compiler version #18001

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c8873b52 by Alan Zimmerman at 2020-08-09T21:17:54-04:00
Api Annotations : Adjust SrcSpans for prefix bang (!).

And prefix ~

(cherry picked from commit 8dbee2c578b1f642d45561be3f416119863e01eb)

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77398b67 by Sylvain Henry at 2020-08-09T21:18:34-04:00
Avoid allocations in `splitAtList` (#18535)

As suspected by @simonpj in #18535, avoiding allocations in
`GHC.Utils.Misc.splitAtList` when there are no leftover arguments is
beneficial for performance:

   On CI validate-x86_64-linux-deb9-hadrian:
    T12227 -7%
    T12545 -12.3%
    T5030  -10%
    T9872a -2%
    T9872b -2.1%
    T9872c -2.5%

Metric Decrease:
    T12227
    T12545
    T5030
    T9872a
    T9872b
    T9872c

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8ba41a0f by Felix Yan at 2020-08-10T20:23:29-04:00
Correct a typo in ghc.mk
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1c469264 by Felix Yan at 2020-08-10T20:23:29-04:00
Add a closing parenthesis too

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acf537f9 by Sylvain Henry at 2020-08-10T20:24:09-04:00
Make splitAtList strict in its arguments

Also fix its slightly wrong comment

Metric Decrease:
    T5030
    T12227
    T12545

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ab4d1589 by Ben Gamari at 2020-08-11T22:18:03-04:00
typecheck: Drop SPECIALISE pragmas when there is no unfolding

Previously the desugarer would instead fall over when it realized that
there was no unfolding for an imported function with a SPECIALISE
pragma. We now rather drop the SPECIALISE pragma and throw a warning.

Fixes #18118.

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0ac8c0a5 by Ben Gamari at 2020-08-11T22:18:03-04:00
testsuite: Add test for #18118

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c43078d7 by Sven Tennie at 2020-08-11T22:18:38-04:00
Add hie.yaml to ghc-heap

This enables IDE support by haskell-language-server for ghc-heap.

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f1088b3f by Ben Gamari at 2020-08-11T22:19:15-04:00
testsuite: Specify metrics collected by T17516

Previously it collected everything, including "max bytes used". This is
problematic since the test makes no attempt to control for deviations in
GC timing, resulting in high variability. Fix this by only collecting
"bytes allocated".

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accbc242 by Sylvain Henry at 2020-08-12T03:50:12-04:00
DynFlags: disentangle Outputable

- put panic related functions into GHC.Utils.Panic
- put trace related functions using DynFlags in GHC.Driver.Ppr

One step closer making Outputable fully independent of DynFlags.

Bump haddock submodule

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db6dd810 by Ben Gamari at 2020-08-12T03:50:48-04:00
testsuite: Increase tolerance of T16916

T16916 (testing #16916) has been slightly fragile in CI due to its
reliance on CPU times. While it's hard to see how to eliminate
the time-dependence entirely, we can nevertheless make it more tolerant.

Fixes #16966.

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77386e6c by Ben Gamari at 2020-08-12T15:32:39-04:00
parser: Suggest ImportQualifiedPost in prepositive import warning

As suggested in #18545.

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30 changed files:

- compiler/GHC.hs
- compiler/GHC/Builtin/Types.hs
- compiler/GHC/Builtin/Types/Prim.hs
- compiler/GHC/Builtin/Uniques.hs
- compiler/GHC/Builtin/Utils.hs
- compiler/GHC/ByteCode/Asm.hs
- compiler/GHC/Cmm/CLabel.hs
- compiler/GHC/Cmm/CallConv.hs
- compiler/GHC/Cmm/CommonBlockElim.hs
- compiler/GHC/Cmm/DebugBlock.hs
- compiler/GHC/Cmm/Expr.hs
- compiler/GHC/Cmm/Info/Build.hs
- compiler/GHC/Cmm/LayoutStack.hs
- compiler/GHC/Cmm/Liveness.hs
- compiler/GHC/Cmm/Opt.hs
- compiler/GHC/Cmm/Parser.y
- compiler/GHC/Cmm/Ppr/Decl.hs
- compiler/GHC/Cmm/Ppr/Expr.hs
- compiler/GHC/Cmm/ProcPoint.hs
- compiler/GHC/Cmm/Switch.hs
- compiler/GHC/Cmm/Type.hs
- compiler/GHC/Cmm/Utils.hs
- compiler/GHC/CmmToAsm.hs
- compiler/GHC/CmmToAsm/BlockLayout.hs
- compiler/GHC/CmmToAsm/CFG.hs
- compiler/GHC/CmmToAsm/CPrim.hs
- compiler/GHC/CmmToAsm/Dwarf.hs
- compiler/GHC/CmmToAsm/Format.hs
- compiler/GHC/CmmToAsm/Monad.hs
- compiler/GHC/CmmToAsm/PIC.hs


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/7632c73a86cffae9090cb7f778148746b8d09aca...77386e6c35b2c0a01ae25a5f2d926e6b0dcd072b

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View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/7632c73a86cffae9090cb7f778148746b8d09aca...77386e6c35b2c0a01ae25a5f2d926e6b0dcd072b
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