[Git][ghc/ghc][wip/andreask/test_pkg_db] 50 commits: Implement -Woperator-whitespace (#18834)
Andreas Klebinger
gitlab at gitlab.haskell.org
Tue Nov 3 16:21:06 UTC 2020
Andreas Klebinger pushed to branch wip/andreask/test_pkg_db at Glasgow Haskell Compiler / GHC
Commits:
b5b3e34e by Vladislav Zavialov at 2020-10-19T18:16:20-04:00
Implement -Woperator-whitespace (#18834)
This patch implements two related warnings:
-Woperator-whitespace-ext-conflict
warns on uses of infix operators that would be parsed
differently were a particular GHC extension enabled
-Woperator-whitespace
warns on prefix, suffix, and tight infix uses of infix
operators
Updates submodules: haddock, containers.
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9648d680 by Sylvain Henry at 2020-10-19T18:16:58-04:00
Remove pdocPrec
pdocPrec was only used in GHC.Cmm.DebugBlock.pprUnwindExpr, so remove
it. OutputableP becomes a one-function class which might be better for
performance.
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ee5dcdf9 by Ben Gamari at 2020-10-20T00:47:54-04:00
testsuite: Add test for #18346
This was fixed by 4291bddaea3148908c55f235ee8978e1d9aa6f20.
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6c7a5c0c by Krzysztof Gogolewski at 2020-10-20T00:48:29-04:00
Minor comments, update linear types docs
- Update comments: placeHolderTypeTc no longer exists
"another level check problem" was a temporary comment from linear types
- Use Mult type synonym (reported in #18676)
- Mention multiplicity-polymorphic fields in linear types docs
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58a1ca38 by nineonine at 2020-10-20T00:49:07-04:00
Compile modules with `-fobject-code` enabled to byte-code when loaded with `*` prefix in ghci (#8042)
The documentation states that when using :add and :load, the `*` prefix forces a module
to be loaded as byte-code. However, this seems to be ignored when -fobject-code has been
enabled. In that case, the compiled code is always used, regardless of whether the *-form
is used.
The idea is to consult the Targets in HscEnv and check the 'targetAllowObjCode' flag. If
the flag for given module is set, then patch up DynFlags and select compilation backend
accordingly.
This would require a linear scan of course, but that shouldn't be too costly.
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59b08a5d by Ben Gamari at 2020-10-20T00:49:41-04:00
gitlab-ci: Rename FLAVOUR -> BUILD_FLAVOUR
Previously the Hadrian jobs used the `FLAVOUR` environment variable to
communicate which flavour `ci.sh` should build whereas `make` used
`BUILD_FLAVOUR`. This caused unnecessary confusion. Consolidate these
two.
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ea736839 by Alan Zimmerman at 2020-10-20T08:35:34+01:00
API Annotations: Keep track of unicode for linear arrow notation
The linear arrow can be parsed as `%1 ->` or a direct single token unicode
equivalent.
Make sure that this distinction is captured in the parsed AST by using
IsUnicodeSyntax where it appears, and introduce a new API Annotation,
AnnMult to represent its location when unicode is not used.
Updated haddock submodule
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cf3c3bcd by Ben Gamari at 2020-10-20T22:56:31-04:00
testsuite: Mark T12971 as fragile on Windows
Due to #17945.
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e2c4a947 by Vladislav Zavialov at 2020-10-21T16:00:30+03:00
Parser regression tests, close #12862 #12446
These issues were fixed by earlier parser changes, most likely related
to whitespace-sensitive parsing.
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711929e6 by Simon Peyton Jones at 2020-10-23T02:42:59-04:00
Fix error message location in tcCheckPatSynDecl
Ticket #18856 showed that we were failing to set the right location
for an error message. Easy to fix, happily.
Turns out that this also improves the error location in test T11010,
which was bogus before but we had never noticed.
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730bb590 by Ben Gamari at 2020-10-23T02:43:33-04:00
cmm: Add Note reference to ForeignHint
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9ad51bc9 by David Beacham at 2020-10-27T13:59:35-04:00
Fix `instance Bounded a => Bounded (Down a)` (#18716)
* Flip `minBound` and `maxBound` to respect the change in ordering
* Remove awkward `Enum` (and hence `Integral`) instances for
`Data.Ord.Down`
* Update changelog
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eedec53d by Vladislav Zavialov at 2020-10-27T14:00:11-04:00
Version bump: base-4.16 (#18712)
Also bumps upper bounds on base in boot libraries (incl. submodules).
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412018c1 by Tamar Christina at 2020-10-27T14:00:49-04:00
winio: simplify logic remove optimization step.
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4950dd07 by Ben Gamari at 2020-10-27T14:01:24-04:00
hadrian: Suppress xelatex output unless it fails
As noted in #18835, xelatex produces an absurd amount of output, nearly
all of which is meaningless. Silence this.
Fixes #18835.
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f3d8ab2e by Ben Gamari at 2020-10-27T14:02:00-04:00
build system: Clean mingw tarballs
Tamar noticed in !4293 that the build systems fail to clean up the mingw
tarballs directory (`ghc-tarballs`). Fix this in both the make build
system and Hadrian.
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0b3d23af by Simon Peyton Jones at 2020-10-27T14:02:34-04:00
Fix two constraint solving problems
This patch fixes two problems in the constraint solver.
* An actual bug #18555: we were floating out a constraint to eagerly,
and that was ultimately fatal. It's explained in
Note [Do not float blocked constraints] in GHC.Core.Constraint.
This is all very delicate, but it's all going to become irrelevant
when we stop floating constraints (#17656).
* A major performance infelicity in the flattener. When flattening
(ty |> co) we *never* generated Refl, even when there was nothing
at all to do. Result: we would gratuitously rewrite the constraint
to exactly the same thing, wasting work. Described in #18413, and
came up again in #18855.
Solution: exploit the special case by calling the new function
castCoercionKind1. See Note [castCoercionKind1] in
GHC.Core.Coercion
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f76c5a08 by Sergei Trofimovich at 2020-10-27T14:03:14-04:00
ghc.mk: amend 'make sdist'
Noticed 'make sdist' failure seen as:
```
"rm" -rf sdistprep/ghc/ghc-9.1.0.20201020/hadrian/_build/ (SRC_DIST_GHC_DIR)/hadrian/dist-newstyle/
/bin/sh: -c: line 0: syntax error near unexpected token `('
```
commit 9657f6f34
("sdist: Include hadrian sources in source distribution")
added a new cleanup path without a variable expantion.
The change adds variable reference. While at it move directory
cleanup to a separate statement.
Amends #18794
Signed-off-by: Sergei Trofimovich <slyfox at gentoo.org>
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78b52c88 by David Eichmann at 2020-10-27T14:03:51-04:00
Use config.run_ways for multi_compile_and_run tests
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e3fdd419 by Alan Zimmerman at 2020-10-27T14:04:26-04:00
Api Annotations: Introduce AnnPercent for HsExplicitMult
For the case
foo :: a %p -> b
The location of the '%' is captured, separate from the 'p'
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d2a25f42 by Ben Gamari at 2020-10-27T14:05:02-04:00
gitlab-ci: Bump ci-images
Bumps bootstrap compiler to 8.10.1.
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28f98b01 by Sebastian Graf at 2020-10-27T14:05:37-04:00
DmdAnal: Kill `is_thunk` case in `splitFV`
The `splitFV` function implements the highly dubious hack
described in `Note [Lazy und unleashable free variables]` in
GHC.Core.Opt.DmdAnal. It arranges it so that demand signatures only
carry strictness info on free variables. Usage info is released through
other means, see the Note. It's purely for analysis performance reasons.
It turns out that `splitFV` has a quite involved case for thunks that
produces slightly different usage signatures and it's not clear why we
need it: `splitFV` is only relevant in the LetDown case and the only
time we call it on thunks is for top-level or local recursive thunks.
Since usage signatures of top-level thunks can only reference other
top-level bindings and we completely discard demand info we have on
top-level things (see the lack of `setIdDemandInfo` in
`dmdAnalTopBind`), the `is_thunk` case is completely irrelevant here.
For local, recursive thunks, the added benefit of the `is_thunk` test
is marginal: We get used-multiple-times in some cases where previously
we had used-once if a recursive thunk has multiple call sites. It's
very unlikely and not a case to optimise for.
So we kill the `is_thunk` case and inline `splitFV` at its call site,
exposing `isWeakDmd` from `GHC.Types.Demand` instead.
The NoFib summary supports this decision:
```
Min 0.0% -0.0%
Max 0.0% +0.0%
Geometric Mean -0.0% -0.0%
```
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60322f93 by Ben Gamari at 2020-10-28T21:11:39-04:00
hadrian: Don't quote metric baseline argument
Previously this was quoted inappropriately.
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c85eb372 by Alan Zimmerman at 2020-10-28T21:12:15-04:00
API Annotations: put constructors in alphabetical order
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795908dc by John Ericson at 2020-10-29T03:53:14-04:00
Widen acceptance threshold for T10421a
Progress towards #18842. As @sgraf812 points out, widening the window is
dangerous until the exponential described in #17658 is fixed. But this
test has caused enough misery and is low stakes enough that we and
@bgamari think it's worth it in this one case for the time being.
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0e9f6def by Sylvain Henry at 2020-10-29T03:53:52-04:00
Split GHC.Driver.Types
I was working on making DynFlags stateless (#17957), especially by
storing loaded plugins into HscEnv instead of DynFlags. It turned out to
be complicated because HscEnv is in GHC.Driver.Types but LoadedPlugin
isn't: it is in GHC.Driver.Plugins which depends on GHC.Driver.Types. I
didn't feel like introducing yet another hs-boot file to break the loop.
Additionally I remember that while we introduced the module hierarchy
(#13009) we talked about splitting GHC.Driver.Types because it contained
various unrelated types and functions, but we never executed. I didn't
feel like making GHC.Driver.Types bigger with more unrelated Plugins
related types, so finally I bit the bullet and split GHC.Driver.Types.
As a consequence this patch moves a lot of things. I've tried to put
them into appropriate modules but nothing is set in stone.
Several other things moved to avoid loops.
* Removed Binary instances from GHC.Utils.Binary for random compiler
things
* Moved Typeable Binary instances into GHC.Utils.Binary.Typeable: they
import a lot of things that users of GHC.Utils.Binary don't want to
depend on.
* put everything related to Units/Modules under GHC.Unit:
GHC.Unit.Finder, GHC.Unit.Module.{ModGuts,ModIface,Deps,etc.}
* Created several modules under GHC.Types: GHC.Types.Fixity, SourceText,
etc.
* Split GHC.Utils.Error (into GHC.Types.Error)
* Finally removed GHC.Driver.Types
Note that this patch doesn't put loaded plugins into HscEnv. It's left
for another patch.
Bump haddock submodule
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22f5d9a9 by Sylvain Henry at 2020-10-29T03:53:52-04:00
GC: Avoid data race (#18717, #17964)
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2ef2fac4 by Ryan Scott at 2020-10-29T04:18:52-04:00
Check for large tuples more thoroughly
This fixes #18723 by:
* Moving the existing `GHC.Tc.Gen.HsType.bigConstraintTuple` validity
check to `GHC.Rename.Utils.checkCTupSize` for consistency with
`GHC.Rename.Utils.checkTupSize`, and
* Using `check(C)TupSize` when checking tuple _types_, in addition
to checking names, expressions, and patterns.
Note that I put as many of these checks as possible in the typechecker so
that GHC can properly distinguish between boxed and constraint tuples. The
exception to this rule is checking names, which I perform in the renamer
(in `GHC.Rename.Env`) so that we can rule out `(,, ... ,,)` and
`''(,, ... ,,)` alike in one fell swoop.
While I was in town, I also removed the `HsConstraintTuple` and
`HsBoxedTuple` constructors of `HsTupleSort`, which are functionally
unused. This requires a `haddock` submodule bump.
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7f8be3eb by Richard Eisenberg at 2020-10-29T22:08:13-04:00
Remove unnecessary gender from comments/docs
While, say, alternating "he" and "she" in sequential writing
may be nicer than always using "they", reading code/documentation
is almost never sequential. If this small change makes individuals
feel more welcome in GHC's codebase, that's a good thing.
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9902d9ec by Viktor Dukhovni at 2020-10-30T05:28:30-04:00
[skip ci] Fix typo in `callocBytes` haddock.
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31fcb55f by Ryan Scott at 2020-10-30T18:52:50-04:00
Split HsConDecl{H98,GADT}Details
Haskell98 and GADT constructors both use `HsConDeclDetails`, which includes
`InfixCon`. But `InfixCon` is never used for GADT constructors, which results
in an awkward unrepresentable state. This removes the unrepresentable state by:
* Renaming the existing `HsConDeclDetails` synonym to `HsConDeclH98Details`,
which emphasizes the fact that it is now only used for Haskell98-style data
constructors, and
* Creating a new `HsConDeclGADTDetails` data type with `PrefixConGADT` and
`RecConGADT` constructors that closely resemble `PrefixCon` and `InfixCon`
in `HsConDeclH98Details`. The key difference is that `HsConDeclGADTDetails`
lacks any way to represent infix constructors.
The rest of the patch is refactoring to accommodate the new structure of
`HsConDecl{H98,GADT}Details`. Some highlights:
* The `getConArgs` and `hsConDeclArgTys` functions have been removed, as
there is no way to implement these functions uniformly for all
`ConDecl`s. For the most part, their previous call sites now
pattern match on the `ConDecl`s directly and do different things for
`ConDeclH98`s and `ConDeclGADT`s.
I did introduce one new function to make the transition easier:
`getRecConArgs_maybe`, which extracts the arguments from a `RecCon(GADT)`.
This is still possible since `RecCon(GADT)`s still use the same representation
in both `HsConDeclH98Details` and `HsConDeclGADTDetails`, and since the
pattern that `getRecConArgs_maybe` implements is used in several places,
I thought it worthwhile to factor it out into its own function.
* Previously, the `con_args` fields in `ConDeclH98` and `ConDeclGADT` were
both of type `HsConDeclDetails`. Now, the former is of type
`HsConDeclH98Details`, and the latter is of type `HsConDeclGADTDetails`,
which are distinct types. As a result, I had to rename the `con_args` field
in `ConDeclGADT` to `con_g_args` to make it typecheck.
A consequence of all this is that the `con_args` field is now partial, so
using `con_args` as a top-level field selector is dangerous. (Indeed, Haddock
was using `con_args` at the top-level, which caused it to crash at runtime
before I noticed what was wrong!) I decided to add a disclaimer in the 9.2.1
release notes to advertise this pitfall.
Fixes #18844. Bumps the `haddock` submodule.
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57c3db96 by Ryan Scott at 2020-10-31T02:53:55-04:00
Make typechecker equality consider visibility in ForAllTys
Previously, `can_eq_nc'` would equate `ForAllTy`s regardless of their
`ArgFlag`, including `forall i -> i -> Type` and `forall i. i -> Type`! To fix
this, `can_eq_nc'` now uses the `sameVis` function to first check if the
`ArgFlag`s are equal modulo specificity. I have also updated `tcEqType`'s
implementation to match this behavior. For more explanation on the "modulo
specificity" part, see the new `Note [ForAllTy and typechecker equality]`
in `GHC.Tc.Solver.Canonical`.
While I was in town, I fixed some related documentation issues:
* I added `Note [Typechecker equality]` to `GHC.Tc.Utils.TcType` to describe
what exactly distinguishes `can_eq_nc'` and `tcEqType` (which implement
typechecker equality) from `eqType` (which implements definitional equality,
which does not care about the `ArgFlags` of `ForAllTy`s at all).
* The User's Guide had some outdated prose on the specified/inferred
distinction being different for types and kinds, a holdover from #15079. This
is no longer the case on today's GHC, so I removed this prose, added some new
prose to take its place, and added a regression test for the programs in
#15079.
* The User's Guide had some _more_ outdated prose on inferred type variables
not being allowed in `default` type signatures for class methods, which is no
longer true as of the resolution of #18432.
* The related `Note [Deferred Unification]` was being referenced as
`Note [Deferred unification]` elsewhere, which made it harder to `grep`
for. I decided to change the name of the Note to `Deferred unification`
for consistency with the capitalization style used for most other Notes.
Fixes #18863.
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a98593f0 by Sylvain Henry at 2020-10-31T02:54:34-04:00
Refactor numeric constant folding rules
Avoid the use of global pattern synonyms.
1) I think it's going to be helpful to implement constant folding for
other numeric types, especially Natural which doesn't have a wrapping
behavior. We'll have to refactor these rules even more so we'd better
make them less cryptic.
2) It should also be slightly faster because global pattern synonyms
matched operations for every numeric types instead of the current one:
e.g., ":**:" pattern was matching multiplication for both Int# and
Word# types. As we will probably want to implement constant folding
for other numeric types (Int8#, Int16#, etc.), it is more efficient
to only match primops for a given type as we do now.
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730ef38f by Sylvain Henry at 2020-10-31T02:54:34-04:00
Simplify constant-folding (#18032)
See #18032 for the details.
* Use `Lit (LitNumber _ i)` instead of `isLitValue_maybe` which does
more work but that is not needed for constant-folding
* Don't export `GHC.Types.Literal.isLitValue_maybe`
* Kill `GHC.Types.Literal.isLitValue` which isn't used
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d5a53c1a by Ben Gamari at 2020-10-31T02:55:10-04:00
primops.txt.pp: Move ByteArray# primops to separate file
This file will be generated.
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b4278a41 by Ben Gamari at 2020-10-31T02:55:10-04:00
primops: Generate ByteArray# index/read/write primops
Previously these were mostly undocumented and was ripe for potential
inconsistencies.
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08e6993a by Sylvain Henry at 2020-10-31T02:55:50-04:00
Move loadDecl into IfaceToCore
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cb1f755c by Tamar Christina at 2020-10-31T09:26:56-04:00
winio: Fix unused variables warnings
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eb368078 by Andrzej Rybczak at 2020-10-31T09:27:34-04:00
Add testcase for #816
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bd4abdc9 by Ben Gamari at 2020-11-01T01:10:31-04:00
testsuite: Add performance test for #18698
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dfd27445 by Hécate at 2020-11-01T01:11:09-04:00
Add the proper HLint rules and remove redundant keywords from compiler
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ce1bb995 by Hécate at 2020-11-01T08:52:08-05:00
Fix a leak in `transpose`
This patch was authored by David Feuer <david.feuer at gmail.com>
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e63db32c by Ben Gamari at 2020-11-01T08:52:44-05:00
Scav: Use bd->gen_no instead of bd->gen->no
This potentially saves a cache miss per scavenge.
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4ce2f7d6 by GHC GitLab CI at 2020-11-02T23:45:06-05:00
testsuite: Add --top flag to driver
This allows us to make `config.top` a proper Path. Previously it was a
str, which caused the Ghostscript detection logic to break.
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0b772221 by Ben Gamari at 2020-11-02T23:45:42-05:00
Document that ccall convention doesn't support varargs
We do not support foreign "C" imports of varargs functions. While this
works on amd64, in general the platform's calling convention may need
more type information that our Cmm representation can currently provide.
For instance, this is the case with Darwin's AArch64 calling convention.
Document this fact in the users guide and fix T5423 which makes use of a
disallowed foreign import.
Closes #18854.
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81006a06 by David Eichmann at 2020-11-02T23:46:19-05:00
RtsAPI: pause and resume the RTS
The `rts_pause` and `rts_resume` functions have been added to `RtsAPI.h` and
allow an external process to completely pause and resume the RTS.
Co-authored-by: Sven Tennie <sven.tennie at gmail.com>
Co-authored-by: Matthew Pickering <matthewtpickering at gmail.com>
Co-authored-by: Ben Gamari <bgamari.foss at gmail.com>
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bfb1e272 by Ryan Scott at 2020-11-02T23:46:55-05:00
Display results of GHC.Core.Lint.lint* functions consistently
Previously, the functions in `GHC.Core.Lint` used a patchwork of
different ways to display Core Lint errors:
* `lintPassResult` (which is the source of most Core Lint errors) renders
Core Lint errors with a distinctive banner (e.g.,
`*** Core Lint errors : in result of ... ***`) that sets them apart
from ordinary GHC error messages.
* `lintAxioms`, in contrast, uses a completely different code path that
displays Core Lint errors in a rather confusing manner. For example,
the program in #18770 would give these results:
```
Bug.hs:1:1: error:
Bug.hs:12:1: warning:
Non-*-like kind when *-like expected: RuntimeRep
when checking the body of forall: 'TupleRep '[r]
In the coercion axiom Bug.N:T :: []. Bug.T ~_R Any
Substitution: [TCvSubst
In scope: InScope {r}
Type env: [axl :-> r]
Co env: []]
|
1 | {-# LANGUAGE DataKinds #-}
| ^
```
* Further digging reveals that `GHC.IfaceToCore` displays Core Lint
errors for iface unfoldings as though they were a GHC panic. See, for
example, this excerpt from #17723:
```
ghc: panic! (the 'impossible' happened)
(GHC version 8.8.2 for x86_64-unknown-linux):
Iface Lint failure
In interface for Lib
...
```
This patch makes all of these code paths display Core Lint errors and
warnings consistently. I decided to adopt the conventions that
`lintPassResult` currently uses, as they appear to have been around the
longest (and look the best, in my subjective opinion). We now use the
`displayLintResult` function for all three scenarios mentioned above.
For example, here is what the Core Lint error for the program in #18770 looks
like after this patch:
```
[1 of 1] Compiling Bug ( Bug.hs, Bug.o )
*** Core Lint errors : in result of TcGblEnv axioms ***
Bug.hs:12:1: warning:
Non-*-like kind when *-like expected: RuntimeRep
when checking the body of forall: 'TupleRep '[r_axn]
In the coercion axiom N:T :: []. T ~_R Any
Substitution: [TCvSubst
In scope: InScope {r_axn}
Type env: [axn :-> r_axn]
Co env: []]
*** Offending Program ***
axiom N:T :: T = Any -- Defined at Bug.hs:12:1
*** End of Offense ***
<no location info>: error:
Compilation had errors
```
Fixes #18770.
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a9e5f52c by Simon Peyton Jones at 2020-11-02T23:47:31-05:00
Expand type synonyms with :kind!
The User's Guide claims that `:kind!` should expand type synonyms,
but GHCi wasn't doing this in practice. Let's just update the implementation
to match the specification in the User's Guide.
Fixes #13795. Fixes #18828.
Co-authored-by: Ryan Scott <ryan.gl.scott at gmail.com>
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1370eda7 by Ben Gamari at 2020-11-02T23:48:06-05:00
hadrian: Don't capture RunTest output
There are a few reasons why capturing the output of the RunTest builder
is undesirable:
* there is a large amount of output which then gets unnecessarily
duplicated by Hadrian if the builder fails
* the output may contain codepoints which are unrepresentable in the
current codepage on Windows, causing Hadrian to crash
* capturing the output causes the testsuite driver to disable
its colorisation logic, making the output less legible.
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09b9f2ea by Andreas Klebinger at 2020-11-03T17:20:28+01:00
Testsuite: Support for user supplied package dbs
We can now supply additional package dbs to the testsuite.
For make the package db can be supplied by
passing PACKAGE_DB=/path/to/db.
In the testsuite driver it's passed via the --test-package-db
argument.
- - - - -
30 changed files:
- .gitlab-ci.yml
- .gitlab/ci.sh
- compiler/.hlint.yaml
- compiler/GHC.hs
- compiler/GHC/Builtin/PrimOps.hs
- compiler/GHC/Builtin/Types.hs
- compiler/GHC/Builtin/Types/Prim.hs
- compiler/GHC/Builtin/Utils.hs
- + compiler/GHC/Builtin/bytearray-ops.txt.pp
- compiler/GHC/Builtin/primops.txt.pp
- compiler/GHC/ByteCode/Asm.hs
- compiler/GHC/ByteCode/InfoTable.hs
- compiler/GHC/ByteCode/Linker.hs
- compiler/GHC/Cmm/CallConv.hs
- compiler/GHC/Cmm/DebugBlock.hs
- compiler/GHC/Cmm/Graph.hs
- compiler/GHC/Cmm/LayoutStack.hs
- compiler/GHC/Cmm/Pipeline.hs
- compiler/GHC/Cmm/ProcPoint.hs
- compiler/GHC/Cmm/Type.hs
- compiler/GHC/CmmToAsm.hs
- compiler/GHC/CmmToAsm/BlockLayout.hs
- compiler/GHC/CmmToAsm/CFG/Dominators.hs
- compiler/GHC/CmmToAsm/PPC/CodeGen.hs
- compiler/GHC/CmmToAsm/Reg/Graph/Spill.hs
- compiler/GHC/CmmToAsm/SPARC/CodeGen.hs
- compiler/GHC/CmmToAsm/X86/CodeGen.hs
- compiler/GHC/CmmToLlvm/CodeGen.hs
- compiler/GHC/CmmToLlvm/Regs.hs
- compiler/GHC/Core.hs
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/45bc1b4ae27d08c27c67ee7a33a77cd153acd54d...09b9f2ea42b121ec55f14b9231d6896a9191baf5
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View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/45bc1b4ae27d08c27c67ee7a33a77cd153acd54d...09b9f2ea42b121ec55f14b9231d6896a9191baf5
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