[Git][ghc/ghc][wip/trivial-readme] 11 commits: docs: -B rts option sounds the bell on every GC (#18351)

[Leif Metcalf]

Leif Metcalf pushed to branch wip/trivial-readme at Glasgow Haskell Compiler / GHC


Commits:
35a7b7ec by Adam Sandberg Eriksson at 2020-09-14T17:46:16-04:00
docs: -B rts option sounds the bell on every GC (#18351)
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5ae8212c by Wander Hillen at 2020-09-14T17:46:54-04:00
Populate gitlab cache after building

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a5ffb39a by Wander Hillen at 2020-09-14T17:46:54-04:00
Move ahead cabal cache restoration to before use of cabal

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e8b37c21 by Wander Hillen at 2020-09-14T17:46:54-04:00
Do the hadrian rebuild multicore

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07762eb5 by Wander Hillen at 2020-09-14T17:46:54-04:00
Also cache other hadrian builds

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8610bcbe by DenisFrezzato at 2020-09-15T15:19:08-04:00
Fix rtsopts documentation

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c7182a5c by Simon Peyton Jones at 2020-09-15T15:19:44-04:00
Care with implicit-parameter superclasses

Two bugs, #18627 and #18649, had the same cause: we were not
account for the fact that a constaint tuple might hide an implicit
parameter.

The solution is not hard: look for implicit parameters in
superclasses.  See Note [Local implicit parameters] in
GHC.Core.Predicate.

Then we use this new function in two places

* The "short-cut solver" in GHC.Tc.Solver.Interact.shortCutSolver
  which simply didn't handle implicit parameters properly at all.
  This fixes #18627

* The specialiser, which should not specialise on implicit parameters
  This fixes #18649

There are some lingering worries (see Note [Local implicit
parameters]) but things are much better.

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0f3884b0 by Zubin Duggal at 2020-09-15T15:20:23-04:00
Export enrichHie from GHC.Iface.Ext.Ast

This is useful for `ghcide`

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b3143f5a by Sylvain Henry at 2020-09-15T15:21:06-04:00
Enhance metrics output

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4283feaa by Ryan Scott at 2020-09-15T15:21:43-04:00
Introduce and use DerivClauseTys (#18662)

This switches `deriv_clause_tys` so that instead of using a list of
`LHsSigType`s to represent the types in a `deriving` clause, it now
uses a sum type. `DctSingle` represents a `deriving` clause with no
enclosing parentheses, while `DctMulti` represents a clause with
enclosing parentheses. This makes pretty-printing easier and avoids
confusion between `HsParTy` and the enclosing parentheses in
`deriving` clauses, which are different semantically.

Fixes #18662.

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cbab9d87 by Leif Metcalf at 2020-09-15T17:26:49-04:00
Replace deprecated git --recursive

The --recursive flag of git-clone has been replaced by the
--recurse-submodules flag since git 1.7.4, released in 2011.
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30 changed files:

- .gitlab-ci.yml
- README.md
- compiler/GHC/Core/Opt/Specialise.hs
- compiler/GHC/Core/Predicate.hs
- compiler/GHC/Hs/Decls.hs
- compiler/GHC/Hs/Extension.hs
- compiler/GHC/Hs/Instances.hs
- compiler/GHC/HsToCore/Docs.hs
- compiler/GHC/HsToCore/Quote.hs
- compiler/GHC/Iface/Ext/Ast.hs
- compiler/GHC/Parser.y
- compiler/GHC/Parser/PostProcess/Haddock.hs
- compiler/GHC/Rename/Module.hs
- compiler/GHC/Tc/Deriv.hs
- compiler/GHC/Tc/Instance/Class.hs
- compiler/GHC/Tc/Module.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/Utils/TcType.hs
- compiler/GHC/ThToHs.hs
- docs/users_guide/phases.rst
- docs/users_guide/runtime_control.rst
- testsuite/driver/perf_notes.py
- testsuite/driver/runtests.py
- + testsuite/tests/simplCore/should_compile/T18649.hs
- + testsuite/tests/simplCore/should_compile/T18649.stderr
- testsuite/tests/simplCore/should_compile/all.T


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/43ecbce4d7c97cb513c181ff674fa9743b517620...cbab9d87af15f7904f9159b1f0f65b883b7061c1

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/43ecbce4d7c97cb513c181ff674fa9743b517620...cbab9d87af15f7904f9159b1f0f65b883b7061c1
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