[Git][ghc/ghc][wip/marge_bot_batch_merge_job] 6 commits: gitlab-ci: Run nix-build with -v0

[Marge Bot (@marge-bot)]

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


Commits:
fdc89a8d by Ben Gamari at 2023-02-24T21:29:32-05:00
gitlab-ci: Run nix-build with -v0

This significantly cuts down on the amount of
noise in the job log.

Addresses #22861.
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69fb0b13 by Aaron Allen at 2023-02-24T21:30:10-05:00
Fix ParallelListComp out of scope suggestion

This patch makes it so vars from one block of a parallel list
comprehension are not in scope in a subsequent block during type
checking. This was causing GHC to emit a faulty suggestion when an out
of scope variable shared the occ name of a var from a different block.

Fixes #22940

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ece092d0 by Simon Peyton Jones at 2023-02-24T21:30:45-05:00
Fix shadowing bug in prepareAlts

As #23012 showed, GHC.Core.Opt.Simplify.Utils.prepareAlts was
using an OutType to construct an InAlt.  When shadowing is in play,
this is outright wrong.

See Note [Shadowing in prepareAlts].

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7825fef9 by Sylvain Henry at 2023-02-24T21:31:25-05:00
JS: Store CI perf results (fix #22923)

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b56025f4 by Gergő Érdi at 2023-02-27T13:34:22+00:00
Don't specialise incoherent instance applications

Using incoherent instances, there can be situations where two
occurrences of the same overloaded function at the same type use two
different instances (see #22448). For incoherently resolved instances,
we must mark them with `nospec` to avoid the specialiser rewriting one
to the other. This marking is done during the desugaring of the
`WpEvApp` wrapper.

Fixes #22448

Metric Increase:
    T15304

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38e4ecfa by Tom Ellis at 2023-02-27T17:43:21-05:00
Fix SCC grouping example

- - - - -


30 changed files:

- .gitlab/ci.sh
- compiler/GHC/Core/InstEnv.hs
- compiler/GHC/Core/Opt/Simplify/Iteration.hs
- compiler/GHC/Core/Opt/Simplify/Utils.hs
- compiler/GHC/HsToCore.hs
- compiler/GHC/HsToCore/Arrows.hs
- compiler/GHC/HsToCore/Binds.hs
- compiler/GHC/HsToCore/Binds.hs-boot
- compiler/GHC/HsToCore/Expr.hs
- compiler/GHC/HsToCore/Match.hs
- compiler/GHC/HsToCore/Match/Constructor.hs
- compiler/GHC/HsToCore/Monad.hs
- compiler/GHC/HsToCore/Pmc/Desugar.hs
- compiler/GHC/HsToCore/Quote.hs
- compiler/GHC/HsToCore/Types.hs
- compiler/GHC/Tc/Errors.hs
- compiler/GHC/Tc/Gen/Match.hs
- compiler/GHC/Tc/Instance/Class.hs
- compiler/GHC/Tc/Solver.hs
- compiler/GHC/Tc/Solver/Canonical.hs
- compiler/GHC/Tc/Solver/Interact.hs
- compiler/GHC/Tc/Solver/Monad.hs
- compiler/GHC/Tc/TyCl/Instance.hs
- compiler/GHC/Tc/Types/Evidence.hs
- docs/users_guide/9.8.1-notes.rst
- docs/users_guide/profiling.rst
- + testsuite/tests/simplCore/should_compile/T23012.hs
- testsuite/tests/simplCore/should_compile/all.T
- + testsuite/tests/simplCore/should_run/T22448.hs
- + testsuite/tests/simplCore/should_run/T22448.stdout


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/dc6ee013a082d6f0385b14b7b89a1350dba0b4b8...38e4ecfac0514a1d6f01f8a45da61a06796dab51

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/dc6ee013a082d6f0385b14b7b89a1350dba0b4b8...38e4ecfac0514a1d6f01f8a45da61a06796dab51
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