[Git][ghc/ghc][wip/marge_bot_batch_merge_job] 9 commits: Require GHC 8.8 as the minimum compiler for bootstrapping

[Marge Bot]

 Marge Bot pushed to branch wip/marge_bot_batch_merge_job at Glasgow Haskell Compiler / GHC


Commits:
57b888c0 by Ryan Scott at 2020-03-31T10:54:20-04:00
Require GHC 8.8 as the minimum compiler for bootstrapping

This allows us to remove several bits of CPP that are either always
true or no longer reachable. As an added bonus, we no longer need to
worry about importing `Control.Monad.Fail.fail` qualified to avoid
clashing with `Control.Monad.fail`, since the latter is now the same
as the former.

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33f09551 by Ryan Scott at 2020-03-31T10:54:57-04:00
Add regression test for #17963

The panic in #17963 happened to be fixed by commit
e3c374cc5bd7eb49649b9f507f9f7740697e3f70. This patch adds a
regression test to ensure that it remains fixed.

Fixes #17963.

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09a36e80 by Ömer Sinan Ağacan at 2020-03-31T10:55:37-04:00
Simplify stderrSupportsAnsiColors

The combinator andM is used only once, and the code is shorter and
simpler if you inline it.

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95bccdd0 by Ben Gamari at 2020-03-31T10:56:19-04:00
base: Ensure that encoding global variables aren't inlined

As noted in #17970, these (e.g. `getFileSystemEncoding` and
`setFileSystemEncoding`) previously had unfoldings, which would
break their global-ness.

While not strictly necessary, I also add a NOINLINE on
`initLocaleEncoding` since it is used in `System.IO`, ensuring that we
only system's query the locale encoding once.

Fixes #17970.

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982aaa83 by Andreas Klebinger at 2020-03-31T10:56:55-04:00
Update hadrian index revision.

Required in order to build hadrian using ghc-8.10

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4b9c5864 by Ben Gamari at 2020-03-31T10:57:32-04:00
integer-gmp: Bump version and add changelog entry

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a3219806 by Ryan Scott at 2020-03-31T11:59:22-04:00
Clean up "Eta reduction for data families" Notes

Before, there were two distinct Notes named
"Eta reduction for data families". This renames one of them to
"Implementing eta reduction for data families" to disambiguate the
two and fixes references in other parts of the codebase to ensure
that they are pointing to the right place.

Fixes #17313.

[ci skip]

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8dcbe959 by Ryan Scott at 2020-03-31T11:59:23-04:00
Fix the changelog/@since information for hGetContents'/getContents'/readFile'

Fixes #17979.

[ci skip]

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f54b3e37 by Sylvain Henry at 2020-03-31T11:59:28-04:00
Kill wORDS_BIGENDIAN and replace it with platformByteOrder (#17957)

Metric Decrease:
    T13035
    T1969

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30 changed files:

- .gitlab-ci.yml
- compiler/GHC/Cmm/Info.hs
- compiler/GHC/Cmm/Utils.hs
- compiler/GHC/CmmToC.hs
- compiler/GHC/Core/Coercion.hs
- compiler/GHC/Core/Coercion/Axiom.hs
- compiler/GHC/Core/FamInstEnv.hs
- compiler/GHC/Core/Lint.hs
- compiler/GHC/Core/Make.hs
- compiler/GHC/Core/Op/ConstantFold.hs
- compiler/GHC/Core/Op/Specialise.hs
- compiler/GHC/Core/TyCon.hs
- compiler/GHC/Core/Unify.hs
- compiler/GHC/Llvm/Types.hs
- compiler/GHC/Runtime/Heap/Inspect.hs
- compiler/GHC/Types/Unique/Supply.hs
- compiler/main/SysTools/Process.hs
- compiler/main/SysTools/Terminal.hs
- compiler/typecheck/TcDeriv.hs
- compiler/typecheck/TcInstDcls.hs
- compiler/typecheck/TcRnTypes.hs
- compiler/typecheck/TcSMonad.hs
- compiler/typecheck/TcSplice.hs
- compiler/utils/Binary.hs
- compiler/utils/IOEnv.hs
- configure.ac
- distrib/configure.ac.in
- hadrian/cabal.project
- hadrian/cfg/system.config.in
- hadrian/src/Hadrian/Utilities.hs


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/95da0b3766223ce5f40ddd9965617bf6776a4ad1...f54b3e379e712a2f6b1c8a2ccce0d6b7353486d5

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/95da0b3766223ce5f40ddd9965617bf6776a4ad1...f54b3e379e712a2f6b1c8a2ccce0d6b7353486d5
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