[Git][ghc/ghc][wip/rts-configure-1] 93 commits: gitlab-ci: Mark T22012 as broken on CentOS 7

Thu Oct 12 05:21:10 UTC 2023

John Ericson pushed to branch wip/rts-configure-1 at Glasgow Haskell Compiler / GHC

Commits:
de142aa2 by Ben Gamari at 2023-09-26T15:25:03-04:00
gitlab-ci: Mark T22012 as broken on CentOS 7

Due to #23979.

- - - - -
6a896ce8 by Teo Camarasu at 2023-09-26T15:25:39-04:00
hadrian: better error for failing to find file's dependencies

Resolves #24004

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d697a6c2 by Stefan Holdermans at 2023-09-26T20:58:37+00:00
Refactor uses of `partitionEithers . map`

This patch changes occurences of the idiom
`partitionEithers (map f xs)` by the simpler form
`partitionWith f xs` where `partitionWith` is the utility function
defined in `GHC.Utils.Misc`.

Resolves: #23953

- - - - -
8a2968b7 by Stefan Holdermans at 2023-09-26T20:58:37+00:00
Refactor uses of `partitionEithers <$> mapM f xs`

This patch changes occurences of the idiom
`partitionEithers <$> mapM f xs` by the simpler form
`partitionWithM f xs` where `partitionWithM` is a utility function
newly added to `GHC.Utils.Misc`.

- - - - -
6a27eb97 by Stefan Holdermans at 2023-09-26T20:58:37+00:00
Mark `GHC.Utils.Misc.partitionWithM` as inlineable

This patch adds an `INLINEABLE` pragma for `partitionWithM` to ensure
that the right-hand side of the definition of this function remains
available for specialisation at call sites.

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f1e5245a by David Binder at 2023-09-27T01:19:00-04:00
Add RTS option to supress tix file

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1f43124f by David Binder at 2023-09-27T01:19:00-04:00
Add expected output to testsuite in test interface-stability/base-exports

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b9d2c354 by David Binder at 2023-09-27T01:19:00-04:00
Expose HpcFlags and getHpcFlags from GHC.RTS.Flags

- - - - -
345675c6 by David Binder at 2023-09-27T01:19:00-04:00
Fix expected output of interface-stability test

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146e1c39 by David Binder at 2023-09-27T01:19:00-04:00
Implement getHpcFlags

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61ba8e20 by David Binder at 2023-09-27T01:19:00-04:00
Add section in user guide

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ea05f890 by David Binder at 2023-09-27T01:19:01-04:00
Rename --emit-tix-file to --write-tix-file

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cabce2ce by David Binder at 2023-09-27T01:19:01-04:00
Update the golden files for interface stability

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1dbdb9d0 by Krzysztof Gogolewski at 2023-09-27T01:19:37-04:00
Refactor: introduce stgArgRep

The function 'stgArgType' returns the type in STG. But this violates
the abstraction: in STG we're supposed to operate on PrimReps.

This introduces
stgArgRep ty = typePrimRep (stgArgType ty)
stgArgRep1 ty = typePrimRep1 (stgArgType ty)
stgArgRep_maybe ty = typePrimRep_maybe (stgArgType ty)

stgArgType is still directly used for unboxed tuples (should be fixable), FFI
and in ticky.

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b02f8042 by Mario Blažević at 2023-09-27T17:33:28-04:00
Fix TH pretty-printer's parenthesization

This PR Fixes `Language.Haskell.TH.Ppr.pprint` so it correctly emits parentheses where needed.

Fixes #23962, #23968, #23971, and #23986

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79104334 by Krzysztof Gogolewski at 2023-09-27T17:34:04-04:00
Add a testcase for #17564

The code in the ticket relied on the behaviour of Derived constraints.
Derived constraints were removed in GHC 9.4 and now the code works
as expected.

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d7a80143 by sheaf at 2023-09-28T03:25:53-04:00
lint-codes: add new modes of operation

This commit adds two new modes of operation to the lint-codes
utility:

  list - list all statically used diagnostic codes
  outdated - list all outdated diagnostic codes

The previous behaviour is now:

  test - test consistency and coverage of diagnostic codes

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477d223c by sheaf at 2023-09-28T03:25:53-04:00
lint codes: avoid using git-grep

We manually traverse through the filesystem to find the diagnostic codes
embedded in .stdout and .stderr files, to avoid any issues with old
versions of grep.

Fixes #23843

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a38ae69a by sheaf at 2023-09-28T03:25:53-04:00
lint-codes: add Hadrian targets

This commit adds new Hadrian targets:

  codes, codes:used - list all used diagnostic codes
  codes:outdated - list outdated diagnostic codes

This allows users to easily query GHC for used and outdated
diagnostic codes, e.g.

  hadrian/build -j --flavour=<..> codes

will list all used diagnostic codes in the command line by running
the lint-codes utility in the "list codes" mode of operation.

The diagnostic code consistency and coverage test is still run as usual,
through the testsuite:

  hadrian/build test --only="codes"

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9cdd629b by Ben Gamari at 2023-09-28T03:26:29-04:00
hadrian: Install LICENSE files in bindists

Fixes #23548.

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b8ebf876 by Matthew Craven at 2023-09-28T03:27:05-04:00
Fix visibility when eta-reducing a type lambda

Fixes #24014.

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d3874407 by Torsten Schmits at 2023-09-30T16:08:10-04:00
Fix several mistakes around free variables in iface breakpoints

Fixes #23612 , #23607, #23998 and #23666.

MR: !11026

The fingerprinting logic in `Iface.Recomp` failed lookups when processing decls containing breakpoints for two reasons:

* IfaceBreakpoint created binders for free variables instead of expressions

* When collecting free names for the dependency analysis for fingerprinting, breakpoint FVs were skipped

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ef5342cd by Simon Peyton Jones at 2023-09-30T16:08:48-04:00
Refactor to combine HsLam and HsLamCase

This MR is pure refactoring (#23916):
* Combine `HsLam` and `HsLamCase`
* Combine `HsCmdLam` and `HsCmdLamCase`

This just arranges to treat uniformly
   \x -> e
   \case pi -> ei
   \cases pis -> ie

In the exising code base the first is treated differently
to the latter two.

No change in behaviour.

More specifics:

* Combine `HsLam` and `HsLamCase` (constructors of `Language.Haskell.Syntax.Expr.HsExpr`) into one data construtor covering
  * Lambda
  * `\case`
  * `\cases`

* The new `HsLam` has an argument of type `HsLamVariant` to distinguish the three cases.

* Similarly, combine `HsCmdLam` and `HsCmdLamCase` (constructors of `Language.Haskell.Syntax.Expr.HsCmd` ) into one.

* Similarly, combine `mkHsLamPV` and `mkHsLamCasePV` (methods of class `DisambECP`) into one. (Thank you Alan Zimmerman.)

* Similarly, combine `LambdaExpr` and `LamCaseAlt` (constructors of `Language.Haskell.Syntax.Expr.HsMatchContext`) into one: `LamAlt` with a `HsLamVariant` argument.

* Similarly, combine `KappaExpr` and `ArrowLamCaseAlt` (constructors of `Language.Haskell.Syntax.Expr.HsArrowMatchContext`) into one: `ArrowLamAlt` with a `HsLamVariant` argument.

* Similarly, combine `PsErrLambdaInPat` and `PsErrLambdaCaseInPat` (constructors of `GHC.Parser.Errors.Ppr.PsError`) into one.

* In the same `PsError` data type, combine `PsErrLambdaCmdInFunAppCmd` and `PsErrLambdaCaseCmdInFunAppCmd` into one.

* In the same `PsError` data tpye, combine `PsErrLambdaInFunAppExpr` and `PsErrLambdaCaseInFunAppExpr` into one.

p* Smilarly combine `ExpectedFunTyLam` and `ExpectedFunTyLamCase` (constructors of `GHC.Tc.Types.Origin.ExpectedFunTyOrigin`) into one.

Phew!

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b048bea0 by Andreas Klebinger at 2023-09-30T16:09:24-04:00
Arm: Make ppr methods easier to use by not requiring NCGConfig

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2adc0508 by Andreas Klebinger at 2023-09-30T16:09:24-04:00
AArch64: Fix broken conditional jumps for offsets >= 1MB

Rewrite conditional jump instructions with offsets >= 1MB to use unconditional jumps
to avoid overflowing the immediate.

Fixes #23746

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1424f790 by Alan Zimmerman at 2023-09-30T16:10:00-04:00
EPA: Replace Monoid with NoAnn

We currently use the Monoid class as a constraint on Exact Print
Annotation functions, so we can use mempty. But this leads to
requiring Semigroup instances too, which do not always make sense.

Instead, introduce a class NoAnn, with a function noAnn analogous to
mempty.

Closes #20372

Updates haddock submodule

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c1a3ecde by Ben Gamari at 2023-09-30T16:10:36-04:00
users-guide: Refactor handling of :base-ref: et al.

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bc204783 by Richard Eisenberg at 2023-10-02T14:50:52+02:00
Simplify and correct nasty case in coercion opt

This fixes #21062.

No test case, because triggering this code seems challenging.

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9c9ca67e by Andrew Lelechenko at 2023-10-04T05:42:28-04:00
Bump bytestring submodule to 0.12.0.2

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4e46dc2b by Andrew Lelechenko at 2023-10-04T05:42:28-04:00
Inline bucket_match

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f6b2751f by Ben Gamari at 2023-10-04T05:43:05-04:00
configure: Fix #21712 again

This is a bit of a shot in the dark to fix #24033, which appears to be
another instance of #21712. For some reason the ld-override logic
*still* appears to be active on Darwin targets (or at least one).
Consequently, on misconfigured systems we may choose a non-`ld64`
linker.

It's a bit unclear exactly what happened in #24033 but ultimately the
check added for #21712 was not quite right, checking for the
`ghc_host_os` (the value of which depends upon the bootstrap compiler)
instead of the target platform. Fix this.

Fixes #24033.

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2f0a101d by Krzysztof Gogolewski at 2023-10-04T05:43:42-04:00
Add a regression test for #24029

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8cee3fd7 by sheaf at 2023-10-04T05:44:22-04:00
Fix non-symbolic children lookup of fixity decl

The fix for #23664 did not correctly account for non-symbolic names
when looking up children of a given parent. This one-line fix changes
that.

Fixes #24037

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a4785b33 by Cheng Shao at 2023-10-04T05:44:59-04:00
rts: fix incorrect ticket reference

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e037f459 by Ben Gamari at 2023-10-04T05:45:35-04:00
users-guide: Fix discussion of -Wpartial-fields

 * fix a few typos
 * add a new example showing when the warning fires
 * clarify the existing example
 * point out -Wincomplete-record-selects

Fixes #24049.

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8ff3134e by Matthew Pickering at 2023-10-05T05:34:58-04:00
Revert "Pass preprocessor options to C compiler when building foreign C files (#16737)"

This reverts commit 1c18d3b41f897f34a93669edaebe6069f319f9e2.

`-optP` should pass options to the preprocessor, that might be a very
different program to the C compiler, so passing the options to the C
compiler is likely to result in `-optP` being useless.

Fixes #17185 and #21291

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8f6010b9 by Ben Gamari at 2023-10-05T05:35:36-04:00
rts/nonmoving: Fix on LLP64 platforms

Previously `NONMOVING_SEGMENT_MASK` and friends were defined with the `UL`
size suffix. However, this is wrong on LLP64 platforms like Windows,
where `long` is 32-bits.

Fixes #23003.
Fixes #24042.

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f20d02f8 by Andreas Klebinger at 2023-10-05T05:36:14-04:00
Fix isAArch64Bitmask for 32bit immediates.

Fixes #23802

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63afb701 by Bryan Richter at 2023-10-05T05:36:49-04:00
Work around perf note fetch failure

Addresses #24055.

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242102f4 by Krzysztof Gogolewski at 2023-10-05T05:37:26-04:00
Add a test for #21348

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7d390bce by Rewbert at 2023-10-05T05:38:08-04:00
Fixes #24046

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69abb171 by Finley McIlwaine at 2023-10-06T14:06:28-07:00
Ensure unconstrained instance dictionaries get IPE info

In the `StgRhsCon` case of `GHC.Stg.Debug.collectStgRhs`, we were not coming up
with an initial source span based on the span of the binder, which was causing
instance dictionaries without dynamic superclass constraints to not have source
locations in their IPE info. Now they do.

Resolves #24005

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390443b7 by Andreas Klebinger at 2023-10-07T10:00:20-04:00
rts: Split up rts/include/stg/MachRegs.h by arch

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3685942f by Bryan Richter at 2023-10-07T10:00:56-04:00
Actually set hackage index state

Or at least, use a version of the cabal command that *claims* to set the
index state.

Time will tell.

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46a0e5be by Bryan Richter at 2023-10-07T10:00:56-04:00
Update hackage index state

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d4b037de by Bryan Richter at 2023-10-07T10:00:56-04:00
Ensure hadrian uses CI's hackage index state

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e206be64 by Andrew Lelechenko at 2023-10-08T15:06:14-04:00
Do not use O_NONBLOCK on regular files or block devices

CLC proposal https://github.com/haskell/core-libraries-committee/issues/166

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a06197c4 by David Binder at 2023-10-08T15:06:55-04:00
Update hpc-bin submodule to 0.69

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ed6785b6 by David Binder at 2023-10-08T15:06:55-04:00
Update Hadrian with correct path to happy file for hpc-bin

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94066d58 by Alan Zimmerman at 2023-10-09T21:35:53-04:00
EPA: Introduce HasAnnotation class

The class is defined as

    class HasAnnotation e where
      noAnnSrcSpan :: SrcSpan -> e

This generalises noAnnSrcSpan, and allows

    noLocA :: (HasAnnotation e) => a -> GenLocated e a
    noLocA = L (noAnnSrcSpan noSrcSpan)

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8792a1bc by Ben Gamari at 2023-10-09T21:36:29-04:00
Bump unix submodule to v2.8.3.0

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e96c51cb by Andreas Klebinger at 2023-10-10T16:44:27+01:00
Add a flag -fkeep-auto-rules to optionally keep auto-generated rules around.

The motivation for the flag is given in #21917.

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3ed58cef by Matthew Pickering at 2023-10-10T19:01:22-04:00
hadrian: Add ghcToolchain to tool args list

This allows you to load ghc-toolchain and ghc-toolchain-bin into HLS.

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476c02d4 by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Normalise triple via config.sub

We were not normalising the target triple anymore like we did with the
old make build system.

Fixes #23856

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303dd237 by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Add missing vendor normalisation

This is copied from m4/ghc_convert_vendor.m4

Towards #23868

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838026c9 by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Add loongarch64 to parseArch

Towards #23868

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1a5bc0b5 by Matthew Pickering at 2023-10-10T19:01:22-04:00
Add same LD hack to ghc-toolchain

In the ./configure script, if you pass the `LD` variable then this has
the effect of stopping use searching for a linker and hence passing
`-fuse-ld=...`.

We want to emulate this logic in ghc-toolchain, if a use explicilty
specifies `LD` variable then don't add `-fuse-ld=..` with the goal of
making ./configure and ghc-toolchain agree on which flags to use when
using the C compiler as a linker.

This is quite unsavoury as we don't bake the choice of LD into the
configuration anywhere but what's important for now is making
ghc-toolchain and ./configure agree as much as possible.

See #23857 for more discussion

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42d50b5a by Ben Gamari at 2023-10-10T19:01:22-04:00
ghc-toolchain: Check for C99 support with -std=c99

Previously we failed to try enabling C99 support with `-std=c99`, as
`autoconf` attempts. This broke on older compilers (e.g. CentOS 7) which
don't enable C99 by default.

Fixes #23879.

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da2961af by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Add endianess check using __BYTE_ORDER__ macro

In very old toolchains the BYTE_ORDER macro is not set but thankfully
the __BYTE_ORDER__ macro can be used instead.

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d8da73cd by Matthew Pickering at 2023-10-10T19:01:22-04:00
configure: AC_PATH_TARGET_TOOL for LD

We want to make sure that LD is set to an absolute path in order to be
consistent with the `LD=$(command -v ld)` call. The AC_PATH_TARGET_TOOL
macro uses the absolute path rather than AC_CHECK_TARGET_TOOL which
might use a relative path.

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171f93cc by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Check whether we need -std=gnu99 for CPP as well

In ./configure the C99 flag is passed to the C compiler when used as a C
preprocessor. So we also check the same thing in ghc-toolchain.

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89a0918d by Matthew Pickering at 2023-10-10T19:01:22-04:00
Check for --target linker flag separately to C compiler

There are situations where the C compiler doesn't accept `--target` but
when used as a linker it does (but doesn't do anything most likely)

In particular with old gcc toolchains, the C compiler doesn't support
--target but when used as a linker it does.

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37218329 by Matthew Pickering at 2023-10-10T19:01:22-04:00
Use Cc to compile test file in nopie check

We were attempting to use the C compiler, as a linker, to compile a file
in the nopie check, but that won't work in general as the flags we pass
to the linker might not be compatible with the ones we pass when using
the C compiler.

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9b2dfd21 by Matthew Pickering at 2023-10-10T19:01:22-04:00
configure: Error when ghc-toolchain fails to compile

This is a small QOL change as if you are working on ghc-toolchain and it
fails to compile then configure will continue and can give you outdated
results.

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1f0de49a by Matthew Pickering at 2023-10-10T19:01:22-04:00
configure: Check whether -no-pie works when the C compiler is used as a linker

`-no-pie` is a flag we pass when using the C compiler as a linker (see
pieCCLDOpts in GHC.Driver.Session) so we should test whether the C
compiler used as a linker supports the flag, rather than just the C
compiler.

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62cd2579 by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Remove javascript special case for --target detection

emcc when used as a linker seems to ignore the --target flag, and for
consistency with configure which now tests for --target, we remove this
special case.

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0720fde7 by Ben Gamari at 2023-10-10T19:01:22-04:00
toolchain: Don't pass --target to emscripten toolchain

As noted in `Note [Don't pass --target to emscripten toolchain]`,
emscripten's `emcc` is rather inconsistent with respect to its treatment
of the `--target` flag. Avoid this by special-casing this toolchain
in the `configure` script and `ghc-toolchain`.

Fixes on aspect of #23744.

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6354e1da by Matthew Pickering at 2023-10-10T19:01:22-04:00
hadrian: Don't pass `--gcc-options` as a --configure-arg to cabal configure

Stop passing -gcc-options which mixed together linker flags and
non-linker flags. There's no guarantee the C compiler will accept both
of these in each mode.

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c00a4bd6 by Ben Gamari at 2023-10-10T19:01:22-04:00
configure: Probe stage0 link flags

For consistency with later stages and CC.

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1f11e7c4 by Sebastian Graf at 2023-10-10T19:01:58-04:00
Stricter Binary.get in GHC.Types.Unit (#23964)

I noticed some thunking while looking at Core.
This change has very modest, but throughout positive ghc/alloc effect:

```
 hard_hole_fits(normal) ghc/alloc    283,057,664    281,620,872  -0.5%

              geo. mean                                          -0.1%
              minimum                                            -0.5%
              maximum                                            +0.0%
```

Fixes #23964.

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a4f1a181 by Bryan Richter at 2023-10-10T19:02:37-04:00
rel_eng/upload.sh cleanups

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80705335 by doyougnu at 2023-10-10T19:03:18-04:00
ci: add javascript label rule

This adds a rule which triggers the javascript job when the "javascript"
label is assigned to an MR.

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a2c0fff6 by Matthew Craven at 2023-10-10T19:03:54-04:00
Make 'wWarningFlagsDeps' include every WarningFlag

Fixes #24071.

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d055f099 by Jan Hrček at 2023-10-10T19:04:33-04:00
Fix pretty printing of overlap pragmas in TH splices (fixes #24074)

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0746b868 by Andreas Klebinger at 2023-10-10T19:05:09-04:00
Aarch64 NCG: Use encoded immediates for literals.

Try to generate

    instr x2, <imm>

instead of

    mov x1, lit
    instr x2, x1

When possible. This get's rid if quite a few redundant
mov instructions.

I believe this causes a metric decrease for LargeRecords as
we reduce register pressure.

-------------------------
Metric Decrease:
    LargeRecord
-------------------------

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739f4e6f by Andreas Klebinger at 2023-10-10T19:05:09-04:00
AArch NCG: Refactor getRegister'

Remove some special cases which can be handled just as well by the
generic case.

This increases code re-use while also fixing #23749. Since some of the
special case wasn't upholding Note [Signed arithmetic on AArch64].

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1b213d33 by Andreas Klebinger at 2023-10-10T19:05:09-04:00
Aarch ncg: Optimize immediate use for address calculations

When the offset doesn't fit into the immediate we now just reuse the
general getRegister' code path which is well optimized to compute the
offset into a register instead of a special case for CmmRegOff.

This means we generate a lot less code under certain conditions which is
why performance metrics for these improve.

-------------------------
Metric Decrease:
    T4801
    T5321FD
    T5321Fun
-------------------------

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b7df0732 by John Ericson at 2023-10-11T16:02:11-04:00
RTS configure: Move over mem management checks

These are for heap allocation, a strictly RTS concern.

All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.

The RTS configure one has a new
```
AC_CHECK_SIZEOF([void *])
```
that the top-level configure version didn't have, so that
`ac_cv_sizeof_void_p` is defined. Once more code is moved over in latter
commits, that can go away.

Progress towards #17191

- - - - -
41130a65 by John Ericson at 2023-10-11T16:02:11-04:00
RTS configure: Move over `__thread` check

This used by (@bgamari thinks) the `GCThread` abstraction in the RTS.

All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.

Progress towards #17191

- - - - -
cc5ec2bd by John Ericson at 2023-10-11T16:02:11-04:00
RTS configure: Move over misc function checks

These are for general use in the RTS.

All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.

Progress towards #17191

- - - - -
809e7c2d by John Ericson at 2023-10-11T16:02:11-04:00
RTS configure: Move over `eventfd` check

This check is for the RTS part of the event manager and has a
corresponding part in `base`.

All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.

Progress towards #17191

- - - - -
58f3babf by John Ericson at 2023-10-11T16:02:48-04:00
Split `FP_CHECK_PTHREADS` and move part to RTS configure

`NEED_PTHREAD_LIB` is unused since
3609340743c1b25fdfd0e18b1670dac54c8d8623 (part of the make build
system), and so is no longer defined.

Progress towards #17191

- - - - -
e99cf237 by Moritz Angermann at 2023-10-11T16:03:24-04:00
nativeGen: section flags for .text$foo only

Commit 3ece9856d157c85511d59f9f862ab351bbd9b38b, was supposed to fix
#22834 in !9810.

It does however add "xr" indiscriminatly to .text sections
even if splitSections is disabled. This leads to the assembler saying:

ghc_1.s:7849:0: error:
     Warning: Ignoring changed section attributes for .text
     |
7849 | .section .text,"xr"
     | ^

- - - - -
f383a242 by Sylvain Henry at 2023-10-11T16:04:04-04:00
Modularity: pass TempDir instead of DynFlags (#17957)

- - - - -
a4b4f806 by John Ericson at 2023-10-12T01:20:54-04:00
Move apple compat check to RTS configure

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56076c26 by John Ericson at 2023-10-12T01:20:54-04:00
Move clock/timer fun checks to RTS configure

Actual library check (which will set the Cabal flag) is left in the
top-level configure for now.

Progress towards #17191

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0ff31b86 by John Ericson at 2023-10-12T01:20:55-04:00
Move visibility and "musttail" annotation checks to the RTS configure

All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.

Progress towards #17191

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b351f706 by John Ericson at 2023-10-12T01:20:55-04:00
Move leading underscore checks to RTS configure

`CabalLeadingUnderscore` is done via Hadrian already, so we can stop
`AC_SUBST`ing it completely.

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330d9600 by John Ericson at 2023-10-12T01:20:55-04:00
Move alloca, fork, const, and big endian checks to RTS configure

All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.

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fd33055f by John Ericson at 2023-10-12T01:20:55-04:00
Move libdl check to RTS configure

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b9d13ed5 by John Ericson at 2023-10-12T01:20:55-04:00
Adjust `FP_FIND_LIBFFI`

Just set vars, and `AC_SUBST` in top-level configure.

Don't define `HAVE_SYSTEM_LIBFFI` because nothing is using it. It hasn't
be in used since 3609340743c1b25fdfd0e18b1670dac54c8d8623 (part of the
make build system).

- - - - -
56974161 by John Ericson at 2023-10-12T01:20:55-04:00
Split BFD support to RTS configure

The flag is still in the top-level configure, but the other checks
(which define various macros --- important) are in the RTS configure.

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efcbae93 by John Ericson at 2023-10-12T01:20:55-04:00
Split libm check between top level and RTS

- - - - -

30 changed files:

- .gitignore
- .gitlab/ci.sh
- .gitlab/generate-ci/gen_ci.hs
- .gitlab/jobs.yaml
- .gitlab/rel_eng/upload.sh
- .gitlab/test-metrics.sh
- compiler/CodeGen.Platform.h
- compiler/GHC/Cmm/DebugBlock.hs
- compiler/GHC/Cmm/Pipeline.hs
- compiler/GHC/CmmToAsm.hs
- compiler/GHC/CmmToAsm/AArch64.hs
- compiler/GHC/CmmToAsm/AArch64/CodeGen.hs
- compiler/GHC/CmmToAsm/AArch64/Cond.hs
- compiler/GHC/CmmToAsm/AArch64/Instr.hs
- compiler/GHC/CmmToAsm/AArch64/Ppr.hs
- compiler/GHC/CmmToAsm/AArch64/Regs.hs
- compiler/GHC/CmmToAsm/BlockLayout.hs
- compiler/GHC/CmmToAsm/Monad.hs
- compiler/GHC/CmmToAsm/PPC/Instr.hs
- compiler/GHC/CmmToAsm/Ppr.hs
- compiler/GHC/CmmToAsm/X86.hs
- compiler/GHC/Core/Coercion.hs
- compiler/GHC/Core/Coercion/Opt.hs
- compiler/GHC/Core/Opt/Arity.hs
- compiler/GHC/Core/Opt/SpecConstr.hs
- compiler/GHC/Core/Opt/Specialise.hs
- compiler/GHC/Core/Subst.hs
- compiler/GHC/CoreToIface.hs
- compiler/GHC/CoreToStg.hs
- compiler/GHC/Data/FastString.hs

The diff was not included because it is too large.

View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/df1c19214fb7fd6e451353029b649b42d12de001...efcbae93498348a6e17954d880bd4b80fe2d97dc

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/df1c19214fb7fd6e451353029b649b42d12de001...efcbae93498348a6e17954d880bd4b80fe2d97dc
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