[Git][ghc/ghc][wip/expansions-appdo] 156 commits: JS: add simple optimizer
Apoorv Ingle (@ani)
gitlab at gitlab.haskell.org
Mon Mar 11 15:23:29 UTC 2024
Apoorv Ingle pushed to branch wip/expansions-appdo at Glasgow Haskell Compiler / GHC
Commits:
8ad02724 by Luite Stegeman at 2024-02-15T17:33:32-05:00
JS: add simple optimizer
The simple optimizer reduces the size of the code generated by the
JavaScript backend without the complexity and performance penalty
of the optimizer in GHCJS.
Also see #22736
Metric Decrease:
libdir
size_hello_artifact
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20769b36 by Matthew Pickering at 2024-02-15T17:34:07-05:00
base: Expose `--no-automatic-time-samples` in `GHC.RTS.Flags` API
This patch builds on 5077416e12cf480fb2048928aa51fa4c8fc22cf1 and
modifies the base API to reflect the new RTS flag.
CLC proposal #243 - https://github.com/haskell/core-libraries-committee/issues/243
Fixes #24337
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08031ada by Teo Camarasu at 2024-02-16T13:37:00-05:00
base: export System.Mem.performBlockingMajorGC
The corresponding C function was introduced in
ba73a807edbb444c49e0cf21ab2ce89226a77f2e. As part of #22264.
Resolves #24228
The CLC proposal was disccused at: https://github.com/haskell/core-libraries-committee/issues/230
Co-authored-by: Ben Gamari <bgamari.foss at gmail.com>
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1f534c2e by Florian Weimer at 2024-02-16T13:37:42-05:00
Fix C output for modern C initiative
GCC 14 on aarch64 rejects the C code written by GHC with this kind of
error:
error: assignment to ‘ffi_arg’ {aka ‘long unsigned int’} from ‘HsPtr’ {aka ‘void *’} makes integer from pointer without a cast [-Wint-conversion]
68 | *(ffi_arg*)resp = cret;
| ^
Add the correct cast.
For more information on this see:
https://fedoraproject.org/wiki/Changes/PortingToModernC
Tested-by: Richard W.M. Jones <rjones at redhat.com>
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5d3f7862 by Matthew Craven at 2024-02-16T13:38:18-05:00
Bump bytestring submodule to 0.12.1.0
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902ebcc2 by Ian-Woo Kim at 2024-02-17T06:01:01-05:00
Add missing BCO handling in scavenge_one.
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97d26206 by Sylvain Henry at 2024-02-17T06:01:44-05:00
Make cast between words and floats real primops (#24331)
First step towards fixing #24331. Replace foreign prim imports with real
primops.
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a40e4781 by Sylvain Henry at 2024-02-17T06:01:44-05:00
Perf: add constant folding for bitcast between float and word (#24331)
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5fd2c00f by Sylvain Henry at 2024-02-17T06:01:44-05:00
Perf: replace stack checks with assertions in casting primops
There are RESERVED_STACK_WORDS free words (currently 21) on the stack,
so omit the checks.
Suggested by Cheng Shao.
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401dfe7b by Sylvain Henry at 2024-02-17T06:01:44-05:00
Reexport primops from GHC.Float + add deprecation
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4ab48edb by Ben Gamari at 2024-02-17T06:02:21-05:00
rts/Hash: Don't iterate over chunks if we don't need to free data
When freeing a `HashTable` there is no reason to walk over the hash list
before freeing it if the user has not given us a `dataFreeFun`.
Noticed while looking at #24410.
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bd5a1f91 by Cheng Shao at 2024-02-17T06:03:00-05:00
compiler: add SEQ_CST fence support
In addition to existing Acquire/Release fences, this commit adds
SEQ_CST fence support to GHC, allowing Cmm code to explicitly emit a
fence that enforces total memory ordering. The following logic is
added:
- The MO_SeqCstFence callish MachOp
- The %prim fence_seq_cst() Cmm syntax and the SEQ_CST_FENCE macro in Cmm.h
- MO_SeqCstFence lowering logic in every single GHC codegen backend
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2ce2a493 by Cheng Shao at 2024-02-17T06:03:38-05:00
testsuite: fix hs_try_putmvar002 for targets without pthread.h
hs_try_putmvar002 includes pthread.h and doesn't work on targets
without this header (e.g. wasm32). It doesn't need to include this
header at all. This was previously unnoticed by wasm CI, though recent
toolchain upgrade brought in upstream changes that completely removes
pthread.h in the single-threaded wasm32-wasi sysroot, therefore we
need to handle that change.
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1fb3974e by Cheng Shao at 2024-02-17T06:03:38-05:00
ci: bump ci-images to use updated wasm image
This commit bumps our ci-images revision to use updated wasm image.
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56e3f097 by Andrew Lelechenko at 2024-02-17T06:04:13-05:00
Bump submodule text to 2.1.1
T17123 allocates less because of improvements to Data.Text.concat in 1a6a06a.
Metric Decrease:
T17123
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a7569495 by Cheng Shao at 2024-02-17T06:04:51-05:00
rts: remove redundant rCCCS initialization
This commit removes the redundant logic of initializing each
Capability's rCCCS to CCS_SYSTEM in initProfiling(). Before
initProfiling() is called during RTS startup, each Capability's rCCCS
has already been assigned CCS_SYSTEM when they're first initialized.
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7a0293cc by Ben Gamari at 2024-02-19T07:11:00-05:00
Drop dependence on `touch`
This drops GHC's dependence on the `touch` program, instead implementing
it within GHC. This eliminates an external dependency and means that we
have one fewer program to keep track of in the `configure` script
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0dbd729e by Andrei Borzenkov at 2024-02-19T07:11:37-05:00
Parser, renamer, type checker for @a-binders (#17594)
GHC Proposal 448 introduces binders for invisible type arguments
(@a-binders) in various contexts. This patch implements @-binders
in lambda patterns and function equations:
{-# LANGUAGE TypeAbstractions #-}
id1 :: a -> a
id1 @t x = x :: t -- @t-binder on the LHS of a function equation
higherRank :: (forall a. (Num a, Bounded a) => a -> a) -> (Int8, Int16)
higherRank f = (f 42, f 42)
ex :: (Int8, Int16)
ex = higherRank (\ @a x -> maxBound @a - x )
-- @a-binder in a lambda pattern in an argument
-- to a higher-order function
Syntax
------
To represent those @-binders in the AST, the list of patterns in Match
now uses ArgPat instead of Pat:
data Match p body
= Match {
...
- m_pats :: [LPat p],
+ m_pats :: [LArgPat p],
...
}
+ data ArgPat pass
+ = VisPat (XVisPat pass) (LPat pass)
+ | InvisPat (XInvisPat pass) (HsTyPat (NoGhcTc pass))
+ | XArgPat !(XXArgPat pass)
The VisPat constructor represents patterns for visible arguments,
which include ordinary value-level arguments and required type arguments
(neither is prefixed with a @), while InvisPat represents invisible type
arguments (prefixed with a @).
Parser
------
In the grammar (Parser.y), the lambda and lambda-cases productions of
aexp non-terminal were updated to accept argpats instead of apats:
aexp : ...
- | '\\' apats '->' exp
+ | '\\' argpats '->' exp
...
- | '\\' 'lcases' altslist(apats)
+ | '\\' 'lcases' altslist(argpats)
...
+ argpat : apat
+ | PREFIX_AT atype
Function left-hand sides did not require any changes to the grammar, as
they were already parsed with productions capable of parsing @-binders.
Those binders were being rejected in post-processing (isFunLhs), and now
we accept them.
In Parser.PostProcess, patterns are constructed with the help of
PatBuilder, which is used as an intermediate data structure when
disambiguating between FunBind and PatBind. In this patch we define
ArgPatBuilder to accompany PatBuilder. ArgPatBuilder is a short-lived
data structure produced in isFunLhs and consumed in checkFunBind.
Renamer
-------
Renaming of @-binders builds upon prior work on type patterns,
implemented in 2afbddb0f24, which guarantees proper scoping and
shadowing behavior of bound type variables.
This patch merely defines rnLArgPatsAndThen to process a mix of visible
and invisible patterns:
+ rnLArgPatsAndThen :: NameMaker -> [LArgPat GhcPs] -> CpsRn [LArgPat GhcRn]
+ rnLArgPatsAndThen mk = mapM (wrapSrcSpanCps rnArgPatAndThen) where
+ rnArgPatAndThen (VisPat x p) = ... rnLPatAndThen ...
+ rnArgPatAndThen (InvisPat _ tp) = ... rnHsTyPat ...
Common logic between rnArgPats and rnPats is factored out into the
rn_pats_general helper.
Type checker
------------
Type-checking of @-binders builds upon prior work on lazy skolemisation,
implemented in f5d3e03c56f.
This patch extends tcMatchPats to handle @-binders. Now it takes and
returns a list of LArgPat rather than LPat:
tcMatchPats ::
...
- -> [LPat GhcRn]
+ -> [LArgPat GhcRn]
...
- -> TcM ([LPat GhcTc], a)
+ -> TcM ([LArgPat GhcTc], a)
Invisible binders in the Match are matched up with invisible (Specified)
foralls in the type. This is done with a new clause in the `loop` worker
of tcMatchPats:
loop :: [LArgPat GhcRn] -> [ExpPatType] -> TcM ([LArgPat GhcTc], a)
loop (L l apat : pats) (ExpForAllPatTy (Bndr tv vis) : pat_tys)
...
-- NEW CLAUSE:
| InvisPat _ tp <- apat, isSpecifiedForAllTyFlag vis
= ...
In addition to that, tcMatchPats no longer discards type patterns. This
is done by filterOutErasedPats in the desugarer instead.
x86_64-linux-deb10-validate+debug_info
Metric Increase:
MultiLayerModulesTH_OneShot
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486979b0 by Jade at 2024-02-19T07:12:13-05:00
Add specialized sconcat implementation for Data.Monoid.First and Data.Semigroup.First
Approved CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/246
Fixes: #24346
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17e309d2 by John Ericson at 2024-02-19T07:12:49-05:00
Fix reST in users guide
It appears that aef587f65de642142c1dcba0335a301711aab951 wasn't valid syntax.
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35b0ad90 by Brandon Chinn at 2024-02-19T07:13:25-05:00
Fix searching for errors in sphinx build
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4696b966 by Cheng Shao at 2024-02-19T07:14:02-05:00
hadrian: fix wasm backend post linker script permissions
The post-link.mjs script was incorrectly copied and installed as a
regular data file without executable permission, this commit fixes it.
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a6142e0c by Cheng Shao at 2024-02-19T07:14:40-05:00
testsuite: mark T23540 as fragile on i386
See #24449 for details.
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249caf0d by Matthew Craven at 2024-02-19T20:36:09-05:00
Add @since annotation to Data.Data.mkConstrTag
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cdd939e7 by Jade at 2024-02-19T20:36:46-05:00
Enhance documentation of Data.Complex
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d04f384f by Ben Gamari at 2024-02-21T04:59:23-05:00
hadrian/bindist: Ensure that phony rules are marked as such
Otherwise make may not run the rule if file with the same name as the
rule happens to exist.
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efcbad2d by Ben Gamari at 2024-02-21T04:59:23-05:00
hadrian: Generate HSC2HS_EXTRAS variable in bindist installation
We must generate the hsc2hs wrapper at bindist installation time since
it must contain `--lflag` and `--cflag` arguments which depend upon the
installation path.
The solution here is to substitute these variables in the configure
script (see mk/hsc2hs.in). This is then copied over a dummy wrapper in
the install rules.
Fixes #24050.
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c540559c by Matthew Pickering at 2024-02-21T04:59:23-05:00
ci: Show --info for installed compiler
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ab9281a2 by Matthew Pickering at 2024-02-21T04:59:23-05:00
configure: Correctly set --target flag for linker opts
Previously we were trying to use the FP_CC_SUPPORTS_TARGET with 4
arguments, when it only takes 3 arguments. Instead we need to use the
`FP_PROG_CC_LINKER_TARGET` function in order to set the linker flags.
Actually fixes #24414
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9460d504 by Rodrigo Mesquita at 2024-02-21T04:59:59-05:00
configure: Do not override existing linker flags in FP_LD_NO_FIXUP_CHAINS
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77629e76 by Andrei Borzenkov at 2024-02-21T05:00:35-05:00
Namespacing for fixity signatures (#14032)
Namespace specifiers were added to syntax of fixity signatures:
- sigdecl ::= infix prec ops | ...
+ sigdecl ::= infix prec namespace_spec ops | ...
To preserve namespace during renaming MiniFixityEnv type
now has separate FastStringEnv fields for names that should be
on the term level and for name that should be on the type level.
makeMiniFixityEnv function was changed to fill MiniFixityEnv in the right way:
- signatures without namespace specifiers fill both fields
- signatures with 'data' specifier fill data field only
- signatures with 'type' specifier fill type field only
Was added helper function lookupMiniFixityEnv that takes care about
looking for a name in an appropriate namespace.
Updates haddock submodule.
Metric Decrease:
MultiLayerModulesTH_OneShot
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84357d11 by Teo Camarasu at 2024-02-21T05:01:11-05:00
rts: only collect live words in nonmoving census when non-concurrent
This avoids segfaults when the mutator modifies closures as we examine
them.
Resolves #24393
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9ca56dd3 by Ian-Woo Kim at 2024-02-21T05:01:53-05:00
mutex wrap in refreshProfilingCCSs
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1387966a by Cheng Shao at 2024-02-21T05:02:32-05:00
rts: remove unused HAVE_C11_ATOMICS macro
This commit removes the unused HAVE_C11_ATOMICS macro. We used to have
a few places that have fallback paths when HAVE_C11_ATOMICS is not
defined, but that is completely redundant, since the
FP_CC_SUPPORTS__ATOMICS configure check will fail when the C compiler
doesn't support C11 style atomics. There are also many places (e.g. in
unreg backend, SMP.h, library cbits, etc) where we unconditionally use
C11 style atomics anyway which work in even CentOS 7 (gcc 4.8), the
oldest distro we test in our CI, so there's no value in keeping
HAVE_C11_ATOMICS.
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0f40d68f by Andreas Klebinger at 2024-02-21T05:03:09-05:00
RTS: -Ds - make sure incall is non-zero before dereferencing it.
Fixes #24445
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e5886de5 by Ben Gamari at 2024-02-21T05:03:44-05:00
rts/AdjustorPool: Use ExecPage abstraction
This is just a minor cleanup I found while reviewing the implementation.
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09941666 by Adam Gundry at 2024-02-21T13:53:12+00:00
Define GHC2024 language edition (#24320)
See https://github.com/ghc-proposals/ghc-proposals/pull/613. Also
fixes #24343 and improves the documentation of language editions.
Co-authored-by: Joachim Breitner <mail at joachim-breitner.de>
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5121a4ed by Ben Gamari at 2024-02-23T06:40:55-05:00
Allow docstrings after exports
Here we extend the parser and AST to preserve docstrings following
export items. We then extend Haddock to parse `@since` annotations in
such docstrings, allowing changes in export structure to be properly
documented.
Bumps haddock submodule.
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0eb2265d by Hécate Moonlight at 2024-02-24T16:02:16-05:00
Improve the synopsis and description of base
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2e36f5d2 by Jade at 2024-02-24T16:02:51-05:00
Error Messages: Properly align cyclic module error
Fixes: #24476
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bbfb051c by Ben Gamari at 2024-02-24T19:10:23-05:00
Allow docstrings after exports
Here we extend the parser and AST to preserve docstrings following
export items. We then extend Haddock to parse `@since` annotations in
such docstrings, allowing changes in export structure to be properly
documented.
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d8d6ad8c by Ben Gamari at 2024-02-24T19:10:23-05:00
ghc-internal: Move modules into GHC.Internal.* namespace
Bumps haddock submodule due to testsuite output changes.
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a82af7cd by Ben Gamari at 2024-02-24T19:10:23-05:00
ghc-internal: Rewrite `@since ` to `@since base-`
These will be incrementally moved to the export sites in `base` where
possible.
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ca3836e1 by Ben Gamari at 2024-02-24T19:10:23-05:00
base: Migrate Haddock `not-home` pragmas from `ghc-internal`
This ensures that we do not use `base` stub modules as declarations'
homes when not appropriate.
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c8cf3e26 by Ben Gamari at 2024-02-24T19:10:23-05:00
base: Partially freeze exports of GHC.Base
Sadly there are still a few module reexports. However, at least we have
decoupled from the exports of `GHC.Internal.Base`.
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272573c6 by Ben Gamari at 2024-02-24T19:10:23-05:00
Move Haddock named chunks
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2d8a881d by Ben Gamari at 2024-02-24T19:10:23-05:00
Drop GHC.Internal.Data.Int
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55c4c385 by Ben Gamari at 2024-02-24T19:10:23-05:00
compiler: Fix mention to `GHC....` modules in wasm desugaring
Really, these references should be via known-key names anyways. I have
fixed the proximate issue here but have opened #24472 to track the
additional needed refactoring.
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64150911 by Ben Gamari at 2024-02-24T19:10:23-05:00
Accept performance shifts from ghc-internal restructure
As expected, Haddock now does more work. Less expected is that some
other testcases actually get faster, presumably due to less interface
file loading. As well, the size_hello_artifact test regressed a bit when
debug information is enabled due to debug information for the new stub
symbols.
Metric Decrease:
T12227
T13056
Metric Increase:
haddock.Cabal
haddock.base
MultiLayerModulesTH_OneShot
size_hello_artifact
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317a915b by Ben Gamari at 2024-02-24T19:10:23-05:00
Expose GHC.Wasm.Prim from ghc-experimental
Previously this was only exposed from `ghc-internal` which violates our
agreement that users shall not rely on things exposed from that package.
Fixes #24479.
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3bbd2bf2 by Ben Gamari at 2024-02-24T19:10:23-05:00
compiler/tc: Small optimisation of evCallStack
Don't lookupIds unless we actually need them.
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3e5c9e3c by Ben Gamari at 2024-02-24T19:10:23-05:00
compiler/tc: Use toException instead of SomeException
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125714a6 by Ben Gamari at 2024-02-24T19:10:23-05:00
base: Factor out errorBelch
This was useful when debugging
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3d6aae7c by Ben Gamari at 2024-02-24T19:10:23-05:00
base: Clean up imports of GHC.Stack.CloneStack
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6900306e by Ben Gamari at 2024-02-24T19:10:24-05:00
base: Move PrimMVar to GHC.Internal.MVar
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28f8a148 by Ben Gamari at 2024-02-24T19:10:24-05:00
base: Move prettyCallStack to GHC.Internal.Stack
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4892de47 by Ben Gamari at 2024-02-24T19:10:24-05:00
base: Explicit dependency to workaround #24436
Currently `ghc -M` fails to account for `.hs-boot` files correctly,
leading to issues with cross-package one-shot builds failing. This
currently manifests in `GHC.Exception` due to the boot file for
`GHC.Internal.Stack`. Work around this by adding an explicit `import`,
ensuring that `GHC.Internal.Stack` is built before `GHC.Exception`.
See #24436.
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294c93a5 by Ben Gamari at 2024-02-24T19:10:24-05:00
base: Use displayException in top-level exception handler
Happily this also allows us to eliminate a special case for Deadlock
exceptions.
Implements [CLC #198](https://github.com/haskell/core-libraries-committee/issues/198).
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cf756a25 by Ben Gamari at 2024-02-24T22:11:53-05:00
rts: Fix symbol references in Wasm RTS
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4e4d47a0 by Jade at 2024-02-26T15:17:20-05:00
GHCi: Improve response to unloading, loading and reloading modules
Fixes #13869
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f3de8a3c by Zubin Duggal at 2024-02-26T15:17:57-05:00
rel-eng/fetch-gitlab.py: Fix name of aarch64 alpine 3_18 release job
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c71bfdff by Cheng Shao at 2024-02-26T15:18:35-05:00
hadrian/hie-bios: pass -j to hadrian
This commit passes -j to hadrian in the hadrian/hie-bios scripts. When
the user starts HLS in a fresh clone that has just been configured, it
takes quite a while for hie-bios to pick up the ghc flags and start
actual indexing, due to the fact that the hadrian build step defaulted
to -j1, so -j speeds things up and improve HLS user experience in GHC.
Also add -j flag to .ghcid to speed up ghcid, and sets the Windows
build root to .hie-bios which also works and unifies with other
platforms, the previous build root _hie-bios was missing from
.gitignore anyway.
- - - - -
50bfdb46 by Cheng Shao at 2024-02-26T15:18:35-05:00
ci: enable parallelism in hadrian/ghci scripts
This commit enables parallelism when the hadrian/ghci scripts are
called in CI. The time bottleneck is in the hadrian build step, but
previously the build step wasn't parallelized.
- - - - -
61a78231 by Felix Yan at 2024-02-26T15:19:14-05:00
m4: Correctly detect GCC version
When calling as `cc`, GCC does not outputs lowercased "gcc" at least in 13.2.1 version here.
```
$ cc --version
cc (GCC) 13.2.1 20230801
...
```
This fails the check and outputs the confusing message: `configure: $CC is not gcc; assuming it's a reasonably new C compiler`
This patch makes it check for upper-cased "GCC" too so that it works correctly:
```
checking version of gcc... 13.2.1
```
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001aa539 by Teo Camarasu at 2024-02-27T13:26:46-05:00
Fix formatting in whereFrom docstring
Previously it used markdown syntax rather than Haddock syntax for code quotes
- - - - -
e8034d15 by Teo Camarasu at 2024-02-27T13:26:46-05:00
Move ClosureType type to ghc-internal
- Use ClosureType for InfoProv.ipDesc.
- Use ClosureType for CloneStack.closureType.
- Now ghc-heap re-exports this type from ghc-internal.
See the accompanying CLC proposal: https://github.com/haskell/core-libraries-committee/issues/210
Resolves #22600
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3da0a551 by Matthew Craven at 2024-02-27T13:27:22-05:00
StgToJS: Simplify ExprInline constructor of ExprResult
Its payload was used only for a small optimization in genAlts,
avoiding a few assignments for programs of this form:
case NormalDataCon arg1 arg2 of x { NormalDataCon x1 x2 -> ... ; }
But when compiling with optimizations, this sort of code is
generally eliminated by case-of-known-constructor in Core-to-Core.
So it doesn't seem worth tracking and cleaning up again in StgToJS.
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61bc92cc by Cheng Shao at 2024-02-27T16:58:42-05:00
rts: add missing ccs_mutex guard to internal_dlopen
See added comment for details. Closes #24423.
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dd29d3b2 by doyougnu at 2024-02-27T16:59:23-05:00
cg: Remove GHC.Cmm.DataFlow.Collections
In pursuit of #15560 and #17957 and generally removing redundancy.
- - - - -
d3a050d2 by Cheng Shao at 2024-02-27T17:00:00-05:00
utils: remove unused lndir from tree
Ever since the removal of the make build system, the in tree lndir
hasn't been actually built, so this patch removes it.
- - - - -
74b24a9b by Teo Camarasu at 2024-02-28T16:32:58+00:00
rts: avoid checking bdescr of value outside of Haskell heap
In nonmovingTidyWeaks we want to check if the key of a weak pointer
lives in the non-moving heap. We do this by checking the flags of the
block the key lives in. But we need to be careful with values that live
outside the Haskell heap, since they will lack a block descriptor and
looking for one may lead to a segfault. In this case we should just
accept that it isn't on the non-moving heap.
Resolves #24492
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b4cae4ec by Simon Peyton Jones at 2024-02-29T02:10:08-05:00
In mkDataConRep, ensure the in-scope set is right
A small change that fixes #24489
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3836a110 by Cheng Shao at 2024-02-29T21:25:45-05:00
testsuite: fix T23540 fragility on 32-bit platforms
T23540 is fragile on 32-bit platforms. The root cause is usage of
`getEvidenceTreesAtPoint`, which internally relies on `Name`'s `Ord`
instance, which is indeterministic. The solution is adding a
deterministic `Ord` instance for `EvidenceInfo` and sorting the
evidence trees before pretty printing. Fixes #24449.
- - - - -
960c8d47 by Teo Camarasu at 2024-02-29T21:26:20-05:00
Reduce AtomicModifyIORef increment count
This test leads to a lot of contention when N>2 and becomes very slow. Let's reduce the amount of work we do to compensate. Resolves #24490
- - - - -
2e46c8ad by Matthew Pickering at 2024-03-01T05:48:06-05:00
hadrian: Improve parallelism in binary-dist-dir rule
I noticed that the "docs" target was needed after the libraries and
executables were built. We can improve the parallelism by needing
everything at once so that documentation can be built immediately after
a library is built for example.
- - - - -
cb6c11fe by Matthew Pickering at 2024-03-01T05:48:07-05:00
ci: Bump windows and freebsd boot compilers to 9.6.4
We have previously bumped the docker images to use 9.6.4, but neglected
to bump the windows images until now.
- - - - -
30f06996 by Matthew Pickering at 2024-03-01T05:48:07-05:00
ci: darwin: Update to 9.6.2 for boot compiler
9.6.4 is currently broken due to #24050
Also update to use LLVM-15 rather than LLVM-11, which is out of date.
- - - - -
d9d69e12 by Matthew Pickering at 2024-03-01T05:48:07-05:00
Bump minimum bootstrap version to 9.6
- - - - -
67ace1c5 by Matthew Pickering at 2024-03-01T05:48:07-05:00
ci: Enable more documentation building
Here we enable documentation building on
1. Darwin: The sphinx toolchain was already installed so we enable html
and manpages.
2. Rocky8: Full documentation (toolchain already installed)
3. Alpine: Full documetnation (toolchain already installed)
4. Windows: HTML and manpages (toolchain already installed)
Fixes #24465
- - - - -
39583c39 by Matthew Pickering at 2024-03-01T05:48:42-05:00
ci: Bump ci-images to allow updated aarch64-alpine image with llvm15 and clang15
- - - - -
d91d00fc by Torsten Schmits at 2024-03-01T15:01:50-05:00
Introduce ListTuplePuns extension
This implements Proposal 0475, introducing the `ListTuplePuns` extension
which is enabled by default.
Disabling this extension makes it invalid to refer to list, tuple and
sum type constructors by using built-in syntax like `[Int]`,
`(Int, Int)`, `(# Int#, Int# #)` or `(# Int | Int #)`.
Instead, this syntax exclusively denotes data constructors for use with
`DataKinds`.
The conventional way of referring to these data constructors by
prefixing them with a single quote (`'(Int, Int)`) is now a parser
error.
Tuple declarations have been moved to `GHC.Tuple.Prim` and the `Solo`
data constructor has been renamed to `MkSolo` (in a previous commit).
Unboxed tuples and sums now have real source declarations in `GHC.Types`.
Unit and solo types for tuples are now called `Unit`, `Unit#`, `Solo`
and `Solo#`.
Constraint tuples now have the unambiguous type constructors `CTuple<n>`
as well as `CUnit` and `CSolo`, defined in `GHC.Classes` like before.
A new parser construct has been added for the unboxed sum data
constructor declarations.
The type families `Tuple`, `Sum#` etc. that were intended to provide
nicer syntax have been omitted from this change set due to inference
problems, to be implemented at a later time.
See the MR discussion for more info.
Updates the submodule utils/haddock.
Updates the cabal submodule due to new language extension.
Metric Increase:
haddock.base
Metric Decrease:
MultiLayerModulesTH_OneShot
size_hello_artifact
Proposal document: https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0475-tuple-syntax.rst
Merge request: https://gitlab.haskell.org/ghc/ghc/-/merge_requests/8820
Tracking ticket: https://gitlab.haskell.org/ghc/ghc/-/issues/21294
- - - - -
bbdb6286 by Sylvain Henry at 2024-03-01T15:01:50-05:00
JS linker: filter unboxed tuples
- - - - -
dec6d8d3 by Arnaud Spiwack at 2024-03-01T15:02:30-05:00
Improve error messages coming from non-linear patterns
This enriched the `CtOrigin` for non-linear patterns to include data
of the pattern that created the constraint (which can be quite useful
if it occurs nested in a pattern) as well as an explanation why the
pattern is non-restricted in (at least in some cases).
- - - - -
6612388e by Arnaud Spiwack at 2024-03-01T15:02:30-05:00
Adjust documentation of linear lets according to committee decision
- - - - -
1c064ef1 by Cheng Shao at 2024-03-02T17:11:19-05:00
compiler: start deprecating cmmToRawCmmHook
cmmToRawCmmHook was added 4 years ago in
d561c8f6244f8280a2483e8753c38e39d34c1f01. Its only user is the
Asterius project, which has been archived and deprecated in favor of
the ghc wasm backend. This patch starts deprecating cmmToRawCmmHook by
placing a DEPRECATED pragma, and actual removal shall happen in a
future GHC major release if no issue to oppose the deprecation has
been raised in the meantime.
- - - - -
9b74845f by Andrew Lelechenko at 2024-03-02T17:11:55-05:00
Data.List.NonEmpty.unzip: use WARNING with category instead of DEPRECATED
CLC proposal: https://github.com/haskell/core-libraries-committee/issues/258
- - - - -
61bb5ff6 by Finley McIlwaine at 2024-03-04T09:01:40-08:00
add -fprof-late-overloaded and -fprof-late-overloaded-calls
* Refactor late cost centre insertion for extensibility
* Add two more late cost centre insertion methods that add SCCs to overloaded
top level bindings and call sites with dictionary arguments.
* Some tests for the basic functionality of the new insertion methods
Resolves: #24500
- - - - -
82ccb801 by Andreas Klebinger at 2024-03-04T19:59:14-05:00
x86-ncg: Fix fma codegen when arguments are globals
Fix a bug in the x86 ncg where results would be wrong when the desired output
register and one of the input registers were the same global.
Also adds a tiny optimization to make use of the memory addressing
support when convenient.
Fixes #24496
- - - - -
18ad1077 by Matthew Pickering at 2024-03-05T14:22:31-05:00
rel_eng: Update hackage docs upload scripts
This adds the upload of ghc-internal and ghc-experimental to our scripts
which upload packages to hackage.
- - - - -
bf47c9ba by Matthew Pickering at 2024-03-05T14:22:31-05:00
docs: Remove stray module comment from GHC.Profiling.Eras
- - - - -
37d9b340 by Matthew Pickering at 2024-03-05T14:22:31-05:00
Fix ghc-internal cabal file
The file mentioned some artifacts relating to the base library. I have
renamed these to the new ghc-internal variants.
- - - - -
23f2a478 by Matthew Pickering at 2024-03-05T14:22:31-05:00
Fix haddock source links and hyperlinked source
There were a few issues with the hackage links:
1. We were using the package id rather than the package name for the
package links. This is fixed by now allowing the template to mention
%pkg% or %pkgid% and substituing both appropiatly.
2. The `--haddock-base-url` flag is renamed to `--haddock-for-hackage`
as the new base link works on a local or remote hackage server.
3. The "src" path including too much stuff, so cross-package source
links were broken as the template was getting double expanded.
Fixes #24086
- - - - -
2fa336a9 by Ben Gamari at 2024-03-05T14:23:07-05:00
filepath: Bump submodule to 1.5.2.0
- - - - -
31217944 by Ben Gamari at 2024-03-05T14:23:07-05:00
os-string: Bump submodule to 2.0.2
- - - - -
4074a3f2 by Matthew Pickering at 2024-03-05T21:44:35-05:00
base: Reflect new era profiling RTS flags in GHC.RTS.Flags
* -he profiling mode
* -he profiling selector
* --automatic-era-increment
CLC proposal #254 - https://github.com/haskell/core-libraries-committee/issues/254
- - - - -
a8c0e31b by Sylvain Henry at 2024-03-05T21:45:14-05:00
JS: faster implementation for some numeric primitives (#23597)
Use faster implementations for the following primitives in the JS
backend by not using JavaScript's BigInt:
- plusInt64
- minusInt64
- minusWord64
- timesWord64
- timesInt64
Co-authored-by: Josh Meredith <joshmeredith2008 at gmail.com>
- - - - -
21e3f325 by Cheng Shao at 2024-03-05T21:45:52-05:00
rts: add -xr option to control two step allocator reserved space size
This patch adds a -xr RTS option to control the size of virtual memory
address space reserved by the two step allocator on a 64-bit platform,
see added documentation for explanation. Closes #24498.
- - - - -
dedcf102 by Cheng Shao at 2024-03-06T13:39:04-05:00
rts: expose HeapAlloc.h as public header
This commit exposes HeapAlloc.h as a public header. The intention is
to expose HEAP_ALLOCED/HEAP_ALLOCED_GC, so they can be used in
assertions in other public headers, and they may also be useful for
user code.
- - - - -
d19441d7 by Cheng Shao at 2024-03-06T13:39:04-05:00
rts: assert pointer is indeed heap allocated in Bdescr()
This commit adds an assertion to Bdescr() to assert the pointer is
indeed heap allocated. This is useful to rule out RTS bugs that
attempt to access non-existent block descriptor of a static closure, #24492
being one such example.
- - - - -
9a656a04 by Ben Gamari at 2024-03-06T13:39:39-05:00
ghc-experimental: Add dummy dependencies to work around #23942
This is a temporary measure to improve CI reliability until a proper
solution is developed.
Works around #23942.
- - - - -
1e84b924 by Simon Peyton Jones at 2024-03-06T13:39:39-05:00
Three compile perf improvements with deep nesting
These were changes are all triggered by #24471.
1. Make GHC.Core.Opt.SetLevels.lvlMFE behave better when there are
many free variables. See Note [Large free-variable sets].
2. Make GHC.Core.Opt.Arity.floatIn a bit lazier in its Cost argument.
This benefits the common case where the ArityType turns out to
be nullary. See Note [Care with nested expressions]
3. Make GHC.CoreToStg.Prep.cpeArg behave for deeply-nested
expressions. See Note [Eta expansion of arguments in CorePrep]
wrinkle (EA2).
Compile times go down by up to 4.5%, and much more in artificial
cases. (Geo mean of compiler/perf changes is -0.4%.)
Metric Decrease:
CoOpt_Read
T10421
T12425
- - - - -
c4b13113 by Hécate Moonlight at 2024-03-06T13:40:17-05:00
Use "module" instead of "library" when applicable in base haddocks
- - - - -
9cd9efb4 by Vladislav Zavialov at 2024-03-07T13:01:54+03:00
Rephrase error message to say "visible arguments" (#24318)
* Main change: make the error message generated by mkFunTysMsg more
accurate by changing "value arguments" to "visible arguments".
* Refactor: define a new type synonym VisArity and use it instead of
Arity in a few places.
It might be the case that there other places in the compiler that should
talk about visible arguments rather than value arguments, but I haven't
tried to find them all, focusing only on the error message reported in
the ticket.
- - - - -
d523a6a7 by Ben Gamari at 2024-03-07T19:40:45-05:00
Bump array submodule
- - - - -
7e55003c by Ben Gamari at 2024-03-07T19:40:45-05:00
Bump stm submodule
- - - - -
32d337ef by Ben Gamari at 2024-03-07T19:40:45-05:00
Introduce exception context
Here we introduce the `ExceptionContext` type and `ExceptionAnnotation`
class, allowing dynamically-typed user-defined annotations to be
attached to exceptions.
CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/199
GHC Proposal: https://github.com/ghc-proposals/ghc-proposals/pull/330
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39f3d922 by Ben Gamari at 2024-03-07T19:40:46-05:00
testsuite/interface-stability: Update documentation
- - - - -
fdea7ada by Ben Gamari at 2024-03-07T19:40:46-05:00
ghc-internal: comment formatting
- - - - -
4fba42ef by Ben Gamari at 2024-03-07T19:40:46-05:00
compiler: Default and warn ExceptionContext constraints
- - - - -
3886a205 by Ben Gamari at 2024-03-07T19:40:46-05:00
base: Introduce exception backtraces
Here we introduce the `Backtraces` type and associated machinery for
attaching these via `ExceptionContext`. These has a few compile-time
regressions (`T15703` and `T9872d`) due to the additional dependencies
in the exception machinery.
As well, there is a surprisingly large regression in the
`size_hello_artifact` test. This appears to be due to various `Integer` and
`Read` bits now being reachable at link-time. I believe it should be
possible to avoid this but I have accepted the change for now to get the
feature merged.
CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/199
GHC Proposal: https://github.com/ghc-proposals/ghc-proposals/pull/330
Metric Increase:
T15703
T9872d
size_hello_artifact
- - - - -
18c5409f by Ben Gamari at 2024-03-07T19:40:46-05:00
users guide: Release notes for exception backtrace work
- - - - -
f849c5fc by Ben Gamari at 2024-03-07T19:40:46-05:00
compiler: Don't show ExceptionContext of GhcExceptions
Most GhcExceptions are user-facing errors and therefore the
ExceptionContext has little value. Ideally we would enable
it in the DEBUG compiler but I am leaving this for future work.
- - - - -
dc646e6f by Sylvain Henry at 2024-03-07T19:40:46-05:00
Disable T9930fail for the JS target (cf #19174)
- - - - -
bfc09760 by Alan Zimmerman at 2024-03-07T19:41:22-05:00
Update showAstData to honour blanking of AnnParen
Also tweak rendering of SrcSpan to remove extra blank line.
- - - - -
50454a29 by Ben Gamari at 2024-03-08T03:32:42-05:00
ghc-internal: Eliminate GHC.Internal.Data.Kind
This was simply reexporting things from `ghc-prim`. Instead reexport
these directly from `Data.Kind`. Also add build ordering dependency to
work around #23942.
- - - - -
38a4b6ab by Ben Gamari at 2024-03-08T03:33:18-05:00
rts: Fix SET_HDR initialization of retainer set
This fixes a regression in retainer set profiling introduced by
b0293f78cb6acf2540389e22bdda420d0ab874da. Prior to that commit
the heap traversal word would be initialized by `SET_HDR` using
`LDV_RECORD_CREATE`. However, the commit added a `doingLDVProfiling`
check in `LDV_RECORD_CREATE`, meaning that this initialization no longer
happened.
Given that this initialization was awkwardly indirectly anyways, I have
fixed this by explicitly initializating the heap traversal word to
`NULL` in `SET_PROF_HDR`. This is equivalent to the previous behavior,
but much more direct.
Fixes #24513.
- - - - -
2859a637 by Ben Gamari at 2024-03-08T18:26:47-05:00
base: Use strerror_r instead of strerror
As noted by #24344, `strerror` is not necessarily thread-safe.
Thankfully, POSIX.1-2001 has long offered `strerror_r`, which is
safe to use.
Fixes #24344.
CLC discussion: https://github.com/haskell/core-libraries-committee/issues/249
- - - - -
edb9bf77 by Jade at 2024-03-09T03:39:38-05:00
Error messages: Improve Error messages for Data constructors in type signatures.
This patch improves the error messages from invalid type signatures by
trying to guess what the user did and suggesting an appropriate fix.
Partially fixes: #17879
- - - - -
cfb197e3 by Patrick at 2024-03-09T03:40:15-05:00
HieAst: add module name #24493
The main purpose of this is to tuck the module name `xxx` in `module xxx where` into the hieAst.
It should fix #24493.
The following have been done:
1. Renamed and update the `tcg_doc_hdr :: Maybe (LHsDoc GhcRn)` to `tcg_hdr_info :: (Maybe (LHsDoc GhcRn), Maybe (XRec GhcRn ModuleName))`
To store the located module name information.
2. update the `RenamedSource` and `RenamedStuff` with extra `Maybe (XRec GhcRn ModuleName)` located module name information.
3. add test `testsuite/tests/hiefile/should_compile/T24493.hs` to ensure the module name is added and update several relevent tests.
4. accompanied submodule haddoc test update MR in https://gitlab.haskell.org/ghc/haddock/-/merge_requests/53
- - - - -
2341d81e by Vaibhav Sagar at 2024-03-09T03:40:54-05:00
GHC.Utils.Binary: fix a couple of typos
- - - - -
5580e1bd by Ben Gamari at 2024-03-09T03:41:30-05:00
rts: Drop .wasm suffix from .prof file names
This replicates the behavior on Windows, where `Hi.exe` will produce
profiling output named `Hi.prof` instead of `Hi.exe.prof`.
While in the area I also fixed the extension-stripping logic, which
incorrectly rewrote `Hi.exefoo` to `Hi.foo`.
Closes #24515.
- - - - -
259495ee by Cheng Shao at 2024-03-09T03:41:30-05:00
testsuite: drop exe extension from .hp & .prof filenames
See #24515 for details.
- - - - -
c477a8d2 by Ben Gamari at 2024-03-09T03:42:05-05:00
rts/linker: Enable GOT support on all platforms
There is nothing platform-dependent about our GOT implementation and
GOT support is needed by `T24171` on i386.
- - - - -
2e592857 by Vladislav Zavialov at 2024-03-09T03:42:41-05:00
Drop outdated comment on TcRnIllformedTypePattern
This should have been done in 0f0c53a501b but I missed it.
- - - - -
c554b4da by Ben Gamari at 2024-03-09T09:39:20-05:00
rts/CloneStack: Bounds check array write
- - - - -
15c590a5 by Ben Gamari at 2024-03-09T09:39:20-05:00
rts/CloneStack: Don't expose helper functions in header
- - - - -
e831ce31 by Ben Gamari at 2024-03-09T09:39:20-05:00
base: Move internals of GHC.InfoProv into GHC.InfoProv.Types
Such that we can add new helpers into GHC.InfoProv.Types without
breakage.
- - - - -
6948e24d by Ben Gamari at 2024-03-09T09:39:20-05:00
rts: Lazily decode IPE tables
Previously we would eagerly allocate `InfoTableEnt`s for each
info table registered in the info table provenance map. However, this
costs considerable memory and initialization time. Instead we now
lazily decode these tables. This allows us to use one-third the memory
*and* opens the door to taking advantage of sharing opportunities within
a module.
This required considerable reworking since lookupIPE now must be passed
its result buffer.
- - - - -
9204a04e by Ben Gamari at 2024-03-09T09:39:20-05:00
rts/IPE: Don't expose helper in header
- - - - -
308926ff by Ben Gamari at 2024-03-09T09:39:20-05:00
rts/IPE: Share module_name within a Node
This allows us to shave a 64-bit word off of the packed IPE entry size.
- - - - -
bebdea05 by Ben Gamari at 2024-03-09T09:39:20-05:00
IPE: Expose unit ID in InfoTableProv
Here we add the unit ID to the info table provenance structure.
- - - - -
6519c9ad by Ben Gamari at 2024-03-09T09:39:35-05:00
rts: Refactor GHC.Stack.CloneStack.decode
Don't allocate a Ptr constructor per frame.
- - - - -
ed0b69dc by Ben Gamari at 2024-03-09T09:39:35-05:00
base: Do not expose whereFrom# from GHC.Exts
- - - - -
2b1faea9 by Vladislav Zavialov at 2024-03-09T17:38:21-05:00
docs: Update info on TypeAbstractions
* Mention TypeAbstractions in 9.10.1-notes.rst
* Set the status to "Experimental".
* Add a "Since: GHC 9.x" comment to each section.
- - - - -
f8b88918 by Ben Gamari at 2024-03-09T21:21:46-05:00
ci-images: Bump Alpine image to bootstrap with 9.8.2
- - - - -
705e6927 by Ben Gamari at 2024-03-09T21:21:46-05:00
testsuite: Mark T24171 as fragile due to #24512
I will fix this but not in time for 9.10.1-alpha1
- - - - -
c74196e1 by Ben Gamari at 2024-03-09T21:21:46-05:00
testsuite: Mark linker_unload_native as fragile
In particular this fails on platforms without `dlinfo`. I plan to
address this but not before 9.10.1-alpha1.
- - - - -
f4d87f7a by Ben Gamari at 2024-03-09T21:21:46-05:00
configure: Bump version to 9.10
- - - - -
88df9a5f by Ben Gamari at 2024-03-09T21:21:46-05:00
Bump transformers submodule to 0.6.1.1
- - - - -
8176d5e8 by Ben Gamari at 2024-03-09T21:21:46-05:00
testsuite: Increase ulimit for T18623
1 MByte was just too tight and failed intermittently on some platforms
(e.g. CentOS 7). Bumping the limit to 8 MByte should provide sufficient
headroom.
Fixes #23139.
- - - - -
c74b38a3 by Ben Gamari at 2024-03-09T21:21:46-05:00
base: Bump version to 4.20.0.0
- - - - -
b2937fc3 by Ben Gamari at 2024-03-09T21:21:46-05:00
ghc-internal: Set initial version at 9.1001.0
This provides PVP compliance while maintaining a clear correspondence
between GHC releases and `ghc-internal` versions.
- - - - -
4ae7d868 by Ben Gamari at 2024-03-09T21:21:46-05:00
ghc-prim: Bump version to 0.11.0
- - - - -
50798dc6 by Ben Gamari at 2024-03-09T21:21:46-05:00
template-haskell: Bump version to 2.22.0.0
- - - - -
8564f976 by Ben Gamari at 2024-03-09T21:21:46-05:00
base-exports: Accommodate spurious whitespace changes in 32-bit output
It appears that this was
- - - - -
9d4f0e98 by Ben Gamari at 2024-03-09T21:21:46-05:00
users-guide: Move exception backtrace relnotes to 9.10
This was previously mistakenly added to the GHC 9.8 release notes.
- - - - -
145eae60 by Ben Gamari at 2024-03-09T21:21:46-05:00
gitlab/rel_eng: Fix name of Rocky8 artifact
- - - - -
39c2a630 by Ben Gamari at 2024-03-09T21:21:46-05:00
gitlab/rel_eng: Fix path of generate_jobs_metadata
- - - - -
aed034de by Ben Gamari at 2024-03-09T21:21:46-05:00
gitlab/upload: Rework recompression
The old `combine` approach was quite fragile due to use of filename
globbing. Moreover, it didn't parallelize well. This refactoring
makes the goal more obvious, parallelizes better, and is more robust.
- - - - -
dc207d06 by Ben Gamari at 2024-03-10T08:56:08-04:00
configure: Bump GHC version to 9.11
Bumps haddock submodule.
- - - - -
8b2513e8 by Ben Gamari at 2024-03-11T01:20:03-04:00
rts/linker: Don't unload code when profiling is enabled
The heap census may contain references (e.g. `Counter.identity`) to
static data which must be available when the census is reported at the
end of execution.
Fixes #24512.
- - - - -
7810b4c3 by Ben Gamari at 2024-03-11T01:20:03-04:00
rts/linker: Don't unload native objects when dlinfo isn't available
To do so is unsafe as we have no way of identifying references to
symbols provided by the object.
Fixes #24513. Fixes #23993.
- - - - -
0590764c by Ben Gamari at 2024-03-11T01:20:39-04:00
rel_eng/upload: Purge both $rel_name/ and $ver/
This is necessary for prereleases, where GHCup accesses the release via
`$ver/`
- - - - -
091a113e by Apoorv Ingle at 2024-03-11T08:25:26-05:00
make applicative do work with expansions, possibly badly
Fixes: #24406
- - - - -
b3d90ba3 by Apoorv Ingle at 2024-03-11T08:25:26-05:00
enable the flow
- - - - -
5106889a by Apoorv Ingle at 2024-03-11T08:25:26-05:00
renaming do_or_lc to doFlavour and debugging error contexts
- - - - -
21 changed files:
- .ghcid
- .gitignore
- .gitlab-ci.yml
- .gitlab/ci.sh
- .gitlab/darwin/nix/sources.json
- .gitlab/darwin/toolchain.nix
- .gitlab/generate-ci/gen_ci.hs
- .gitlab/jobs.yaml
- .gitlab/rel_eng/default.nix
- .gitlab/rel_eng/fetch-gitlab-artifacts/fetch_gitlab.py
- .gitlab/rel_eng/mk-ghcup-metadata/README.mkd
- + .gitlab/rel_eng/recompress-all
- .gitlab/rel_eng/upload.sh
- .gitlab/rel_eng/upload_ghc_libs.py
- compiler/GHC.hs
- compiler/GHC/Builtin/Names.hs
- compiler/GHC/Builtin/Names/TH.hs
- compiler/GHC/Builtin/Types.hs
- compiler/GHC/Builtin/Types.hs-boot
- compiler/GHC/Builtin/Types/Literals.hs
- compiler/GHC/Builtin/Uniques.hs
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/f6ec2c444332b32273f9b9abedee4c92a3242d97...5106889a7948f353f83f1584aa22f822e72680ed
--
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/f6ec2c444332b32273f9b9abedee4c92a3242d97...5106889a7948f353f83f1584aa22f822e72680ed
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