[Git][ghc/ghc][wip/fix-ubx-cast] 10 commits: Give better errors for code corrupted by Unicode smart quotes (#21843)

[Andreas Klebinger (@AndreasK)]

Andreas Klebinger pushed to branch wip/fix-ubx-cast at Glasgow Haskell Compiler / GHC


Commits:
b0ac3813 by Lawton Nichols at 2022-11-19T03:22:14-05:00
Give better errors for code corrupted by Unicode smart quotes (#21843)

Previously, we emitted a generic and potentially confusing error during lexical
analysis on programs containing smart quotes (“/”/‘/’). This commit adds
smart quote-aware lexer errors.

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cb8430f8 by Sebastian Graf at 2022-11-19T03:22:49-05:00
Make OpaqueNo* tests less noisy to unrelated changes

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b1a8af69 by Sebastian Graf at 2022-11-19T03:22:49-05:00
Simplifier: Consider `seq` as a `BoringCtxt` (#22317)

See `Note [Seq is boring]` for the rationale.

Fixes #22317.

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9fd11585 by Sebastian Graf at 2022-11-19T03:22:49-05:00
Make T21839c's ghc/max threshold more forgiving

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4b6251ab by Simon Peyton Jones at 2022-11-19T03:23:24-05:00
Be more careful when reporting unbound RULE binders

See Note [Variables unbound on the LHS] in GHC.HsToCore.Binds.

Fixes #22471.

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e8f2b80d by Peter Trommler at 2022-11-19T03:23:59-05:00
PPC NCG: Fix generating assembler code

Fixes #22479

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f2f9ef07 by Bodigrim at 2022-11-20T18:39:30-05:00
Extend documentation for Data.IORef

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ef511b23 by Simon Peyton Jones at 2022-11-20T18:40:05-05:00
Buglet in GHC.Tc.Module.checkBootTyCon

This lurking bug used the wrong function to compare two
types in GHC.Tc.Module.checkBootTyCon

It's hard to trigger the bug, which only came up during
!9343, so there's no regression test in this MR.

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451aeac3 by Bodigrim at 2022-11-20T18:40:44-05:00
Add since pragmas for c_interruptible_open and hostIsThreaded

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20939a25 by Andreas Klebinger at 2022-11-21T15:59:59+01:00
Properly convert values before/after storing them in unboxed sums.

See Note [Casting slot arguments] for the details.

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30 changed files:

- + compiler/GHC/Builtin/PrimOps/Casts.hs
- compiler/GHC/Cmm/CLabel.hs
- compiler/GHC/CmmToAsm/PPC/Ppr.hs
- compiler/GHC/Core/FVs.hs
- compiler/GHC/Core/Opt/Simplify/Utils.hs
- compiler/GHC/Core/Subst.hs
- compiler/GHC/Core/TyCon.hs
- compiler/GHC/Core/Unfold.hs
- compiler/GHC/Driver/Flags.hs
- compiler/GHC/Driver/Session.hs
- compiler/GHC/HsToCore.hs
- compiler/GHC/HsToCore/Binds.hs
- compiler/GHC/Parser/Errors/Ppr.hs
- compiler/GHC/Parser/Errors/Types.hs
- compiler/GHC/Parser/Lexer.x
- compiler/GHC/Stg/Syntax.hs
- compiler/GHC/Stg/Unarise.hs
- compiler/GHC/Tc/Gen/Rule.hs
- compiler/GHC/Tc/Module.hs
- compiler/GHC/Types/Error/Codes.hs
- compiler/GHC/Types/RepType.hs
- compiler/GHC/Utils/Outputable.hs
- compiler/ghc.cabal.in
- docs/users_guide/debugging.rst
- libraries/base/Data/IORef.hs
- libraries/base/GHC/IORef.hs
- libraries/base/System/Posix/Internals.hs
- testsuite/driver/testlib.py
- + testsuite/tests/parser/should_fail/T21843a.hs
- + testsuite/tests/parser/should_fail/T21843a.stderr


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/b8dd986b6f165ec0339773ea95dcdc17b330b610...20939a256498b44ce563f730de6254ecf8437a62

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/b8dd986b6f165ec0339773ea95dcdc17b330b610...20939a256498b44ce563f730de6254ecf8437a62
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