[Git][ghc/ghc][wip/T22634] 13 commits: Scrub some partiality in `GHC.Cmm.Info.Build`: `doSRTs` takes a `[(CAFSet,...

Wed Dec 21 13:44:32 UTC 2022

Simon Peyton Jones pushed to branch wip/T22634 at Glasgow Haskell Compiler / GHC

Commits:
703a4665 by M Farkas-Dyck at 2022-12-20T21:14:46-05:00
Scrub some partiality in `GHC.Cmm.Info.Build`: `doSRTs` takes a `[(CAFSet, CmmDecl)]` but truly wants a `[(CAFSet, CmmStatics)]`.

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9736ab74 by Matthew Pickering at 2022-12-20T21:15:22-05:00
packaging: Fix upload_ghc_libs.py script

This change reflects the changes where .cabal files are now generated by
hadrian rather than ./configure.

Fixes #22518

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7c6de18d by Ben Gamari at 2022-12-20T21:15:57-05:00
configure: Drop uses of AC_PROG_CC_C99

As noted in #22566, this macro is deprecated as of autoconf-2.70
`AC_PROG_CC` now sets `ac_cv_prog_cc_c99` itself.

Closes #22566.

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36c5d98e by Ben Gamari at 2022-12-20T21:15:57-05:00
configure: Use AS_HELP_STRING instead of AC_HELP_STRING

The latter has been deprecated.

See #22566.

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befe6ff8 by Bodigrim at 2022-12-20T21:16:37-05:00
GHCi.UI: fix various usages of head and tail

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666d0ba7 by Bodigrim at 2022-12-20T21:16:37-05:00
GHCi.UI: avoid head and tail in parseCallEscape and around

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5d96fd50 by Bodigrim at 2022-12-20T21:16:37-05:00
Make GHC.Driver.Main.hscTcRnLookupRdrName to return NonEmpty

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3ce2ab94 by Bodigrim at 2022-12-21T06:17:56-05:00
Allow transformers-0.6 in ghc, ghci, ghc-bin and hadrian

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954de93a by Bodigrim at 2022-12-21T06:17:56-05:00
Update submodule haskeline to HEAD (to allow transformers-0.6)

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cefbeec3 by Bodigrim at 2022-12-21T06:17:56-05:00
Update submodule transformers to 0.6.0.4

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b4730b62 by Bodigrim at 2022-12-21T06:17:56-05:00
Fix tests

T13253 imports MonadTrans, which acquired a quantified constraint in transformers-0.6, thus increase in allocations

Metric Increase:
    T13253

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0be75261 by Simon Peyton Jones at 2022-12-21T06:18:32-05:00
Abstract over the right free vars

Fix #22459, in two ways:

(1) Make the Specialiser not create a bogus specialisation if
    it is presented by strangely polymorphic dictionary.
    See Note [Weird special case in SpecDict] in
    GHC.Core.Opt.Specialise

(2) Be more careful in abstractFloats
    See Note [Which type variables to abstract over]
    in GHC.Core.Opt.Simplify.Utils.

So (2) stops creating the excessively polymorphic dictionary in
abstractFloats, while (1) stops crashing if some other pass should
nevertheless create a weirdly polymorphic dictionary.

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bb286249 by Simon Peyton Jones at 2022-12-21T13:44:21+00:00
Refactor mkRuntimeError

This patch fixes #22634.  Because we don't have TYPE/CONSTRAINT
polymorphism, we need two error functions rather than one.

I took the opportunity to rname runtimeError to impossibleError,
to line up with mkImpossibleExpr, and avoid confusion with the
genuine runtime-error-constructing functions.

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30 changed files:

- .gitlab/upload_ghc_libs.py
- compiler/GHC/Builtin/Names.hs
- compiler/GHC/Cmm.hs
- compiler/GHC/Cmm/Info/Build.hs
- compiler/GHC/Cmm/Pipeline.hs
- compiler/GHC/Core/Make.hs
- compiler/GHC/Core/Opt/ConstantFold.hs
- compiler/GHC/Core/Opt/Simplify/Iteration.hs
- compiler/GHC/Core/Opt/Simplify/Utils.hs
- compiler/GHC/Core/Opt/SpecConstr.hs
- compiler/GHC/Core/Opt/Specialise.hs
- compiler/GHC/Core/Subst.hs
- compiler/GHC/Core/Type.hs
- compiler/GHC/CoreToStg/Prep.hs
- compiler/GHC/Driver/Main.hs
- compiler/GHC/HsToCore/Pmc/Solver.hs
- compiler/GHC/Runtime/Debugger.hs
- compiler/GHC/Runtime/Eval.hs
- compiler/GHC/Utils/Outputable.hs
- compiler/ghc.cabal.in
- configure.ac
- distrib/configure.ac.in
- ghc/GHCi/UI.hs
- ghc/ghc-bin.cabal.in
- hadrian/hadrian.cabal
- libraries/base/Control/Exception/Base.hs
- libraries/ghc-prim/GHC/Prim/Panic.hs
- libraries/ghci/ghci.cabal.in
- libraries/haskeline
- libraries/transformers

The diff was not included because it is too large.

View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/c6add6dbb50a43f2392441db97ce2976e7f8e714...bb2862491cac6bdf3fefc56d628aec28fb3b5bf9

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View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/c6add6dbb50a43f2392441db97ce2976e7f8e714...bb2862491cac6bdf3fefc56d628aec28fb3b5bf9
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