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Glasgow Haskell Compiler
GHC
Issues
Open
2,772
Closed
12,274
All
15,046
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Remove ghctags
#16274
· opened
Feb 01, 2019
by
Artem Pelenitsyn
8.10.1
5
P
normal
Trac import
newcomer
task
CLOSED
7
updated
Jul 07, 2019
Lexer: Alternate Layout Rule injects actual not virtual braces
#16279
· opened
Feb 02, 2019
by
Alan Zimmerman
8.8.1
5
API annotations
P
normal
Trac import
bug
parser
CLOSED
3
2
updated
Jul 07, 2019
Update Latest page of User's Guide to GHC 8.6.3
#16280
· opened
Feb 03, 2019
by
wataru86
5
P
normal
Trac import
task
CLOSED
1
updated
Jul 07, 2019
PatternSynonyms doesn't accept non-prenex quantified functions, doesn't float foralls
#16281
· opened
Feb 03, 2019
by
Icelandjack
5
P
normal
PatternSynonyms
Trac import
bug
CLOSED
2
updated
Jul 07, 2019
all-missed-specializations doesn't suggest warning
#16282
· opened
Feb 03, 2019
by
Eric Crockett
3
P
low
Trac import
bug
error messages
newcomer
CLOSED
2
1
updated
Jul 07, 2019
:kind accepts bogus type
#16287
· opened
Feb 05, 2019
by
Simon Peyton Jones
8.8.1
5
P
normal
Trac import
bug
CLOSED
3
5
updated
Jul 07, 2019
Core Lint error: Occurrence is GlobalId, but binding is LocalId
#16288
· opened
Feb 05, 2019
by
Krzysztof Gogolewski
8.8.2
5
P
normal
Trac import
bug
compiler crash
simplifier
CLOSED
6
updated
Jan 16, 2020
GHC thinks pattern match is exhaustive
#16289
· opened
Feb 05, 2019
by
dnspies
7
P
high
Trac import
bug
pattern match warnings
CLOSED
2
6
updated
Jul 07, 2019
Export `noinline` function from `GHC.Exts`
#16290
· opened
Feb 05, 2019
by
Alexander Altman
5
P
normal
Trac import
core libraries
feature request
CLOSED
2
updated
Jun 26, 2020
Document or enable commented-out sanity check in checkStackChunk
#16291
· opened
Feb 06, 2019
by
Ömer Sinan Ağacan
5
P
normal
Trac import
bug
task
CLOSED
2
updated
Jul 07, 2019
Wildcards in visible kind application
#16292
· opened
Feb 06, 2019
by
Simon Peyton Jones
5
P
normal
Trac import
bug
CLOSED
3
1
updated
Jun 05, 2020
Inconsistencies and oddities of Proxy#
#16293
· opened
Feb 06, 2019
by
Ryan Scott
8.10.1
5
P
normal
Trac import
bug
CLOSED
4
updated
Jul 07, 2019
Code generation corrupts writes to Addr#
#16294
· opened
Feb 06, 2019
by
Andrew Martin
10
P
highest
Trac import
bug
CLOSED
2
updated
Jul 07, 2019
OccurAnal should not break the linter assumptions
#16296
· opened
Feb 08, 2019
by
Arnaud Spiwack
9.0.1
5
P
normal
Trac import
bug
simplifier
CLOSED
4
updated
Apr 06, 2020
Access violation and hang with template haskell
#16297
· opened
Feb 09, 2019
by
jeiea
5
P
normal
Trac import
bug
compiler crash
CLOSED
2
updated
Jul 07, 2019
:info pretty-prints data types with non-Type return kinds oddly
#16299
· opened
Feb 10, 2019
by
Ryan Scott
8.10.1
5
P
normal
Trac import
bug
CLOSED
1
updated
Jul 07, 2019
Make TH always reify data types with explicit return kinds
#16300
· opened
Feb 10, 2019
by
Ryan Scott
8.10.1
5
P
normal
StandaloneKindSignatures
TemplateHaskell
Trac import
UnliftedNewtypes
feature request
CLOSED
12
updated
Jul 26, 2019
A non-function coerced to a function can cause a stg_ap_v_ret
#16302
· opened
Feb 11, 2019
by
WheatWizard
5
P
normal
Trac import
bug
runtime crash
CLOSED
5
updated
Jul 07, 2019
checkStack sanity check fails
#16303
· opened
Feb 11, 2019
by
Ömer Sinan Ağacan
8.8.1
5
P
normal
Trac import
bug
CLOSED
3
3
updated
Jul 07, 2019
Flag to instruct GHC not to use an environment file
#16309
· opened
Feb 12, 2019
by
Richard Eisenberg
8.8.1
5
P
normal
Trac import
feature request
CLOSED
1
6
updated
Jul 07, 2019
Program fails with "Impossible case alternative" when optimized
#16310
· opened
Feb 12, 2019
by
Ryan Scott
5
P
normal
Trac import
TypeInType
bug
runtime crash
CLOSED
8
updated
Jul 07, 2019
Suggest -XExistentialQuantification for 'forall' in data declarations
#16311
· opened
Feb 12, 2019
by
Vladislav Zavialov
8.8.1
5
P
normal
Trac import
backport
parser
task
CLOSED
5
updated
Jul 07, 2019
Optimization + adding an INLINE pragma triggers Core Lint error (Type of case alternatives not the same as the annotation on case)
#16312
· opened
Feb 13, 2019
by
Ryan Scott
5
P
normal
Trac import
bug
compiler crash
typed holes
CLOSED
4
7
updated
Apr 23, 2020
Pattern synonym implicit existential quantification
#16315
· opened
Feb 13, 2019
by
Vladislav Zavialov
8.10.1
5
P
normal
Trac import
bug
CLOSED
11
updated
Jul 07, 2019
HIE files don't include module import/export information
#16317
· opened
Feb 14, 2019
by
Matthew Pickering
7
P
high
Trac import
bug
hie files
CLOSED
1
updated
Jul 07, 2019
Explicitly passing -package-env causes "Loaded package environment from .ghc.environment" message to be printed twice
#16318
· opened
Feb 14, 2019
by
Ryan Scott
5
GHCi
P
normal
Trac import
bug
package system
CLOSED
1
7
updated
Aug 10, 2020
Suggest -XScopedTypeVariables instead of -XRankNTypes
#16321
· opened
Feb 14, 2019
by
Vladislav Zavialov
5
P
normal
Trac import
feature request
parser
CLOSED
1
updated
Jul 21, 2020
"deriving newtype instance" generates an infinite loop
#16322
· opened
Feb 15, 2019
by
paf31
5
P
normal
Trac import
bug
CLOSED
13
updated
Jul 07, 2019
Cannot deduce X error with X provided in TypeFamilies
#16323
· opened
Feb 15, 2019
by
pjljvdlaar
5
P
normal
Trac import
bug
deriving
CLOSED
2
updated
Dec 13, 2019
Implement visible dependent quantification
#16326
· opened
Feb 15, 2019
by
Ryan Scott
8.10.1
5
P
normal
Trac import
ghc proposal
task
visible dependent quantification
CLOSED
5
updated
Jul 07, 2019
Type inference in presence of pattern matching on GADTs
#16330
· opened
Feb 16, 2019
by
Sasa
3
GADTs
P
low
Trac import
feature request
CLOSED
1
updated
Jul 07, 2019
REGRESSION: --supported-languages lies about supported languages, again
#16331
· opened
Feb 16, 2019
by
Herbert Valerio Riedel
8.8.1
10
P
highest
Trac import
bug
CLOSED
1
1
23
updated
Feb 25, 2020
Cross compilation broken under Hadrian
#16051
· opened
Dec 15, 2018
by
Ben Gamari
Make removal
10
P
highest
Trac import
bug
hadrian
well-typed priorities
CLOSED
18
updated
May 25, 2020
Named wildcards in kinds
#16334
· opened
Feb 17, 2019
by
Vladislav Zavialov
8.10.1
5
P
normal
Trac import
bug
partial type sigs
typechecker
CLOSED
2
updated
Mar 26, 2020
Build and deploy docker images on gitlab CI
#16336
· opened
Feb 18, 2019
by
Matthew Pickering
5
P
normal
Trac import
bug
CLOSED
1
updated
Jul 07, 2019
Cannot put (.) or (!) type operators into an export list
#16339
· opened
Feb 19, 2019
by
Ryan Scott
8.8.1
5
P
normal
Trac import
backport
bug
parser
CLOSED
4
updated
Jul 07, 2019
Standalone deriving for GADTs should avoid impossible cases
#16341
· opened
Feb 20, 2019
by
mnoonan
9.2.1
5
GADTs
P
normal
Trac import
bug
deriving
CLOSED
1
9
updated
Dec 31, 2020
Kind inference crash
#16342
· opened
Feb 20, 2019
by
Simon Peyton Jones
8.10.1
5
P
normal
Trac import
bug
CLOSED
6
updated
Jul 07, 2019
GHC infers over-polymorphic kinds
#16344
· opened
Feb 20, 2019
by
Simon Peyton Jones
8.10.1
5
P
normal
Trac import
bug
CLOSED
6
updated
Sep 02, 2019
Lint error on master: Occurrence is GlobalId, but binding is LocalId
#16346
· opened
Feb 20, 2019
by
Simon Peyton Jones
8.10.1
5
P
normal
Trac import
bug
CLOSED
8
updated
Nov 07, 2019
GHC HEAD regression: piResultTys1
#16347
· opened
Feb 20, 2019
by
Ryan Scott
8.10.1
10
P
highest
Trac import
TypeInType
bug
compiler crash
typechecker
CLOSED
3
6
updated
Jul 07, 2019
GHC HEAD regression: tyConAppArgs
#16348
· opened
Feb 20, 2019
by
Ryan Scott
8.10.1
10
P
highest
Trac import
bug
compiler crash
CLOSED
5
updated
Aug 26, 2019
Unexpected type application in default declaration
#16356
· opened
Feb 22, 2019
by
Vladislav Zavialov
5
P
normal
Trac import
bug
typechecker
CLOSED
4
3
updated
May 05, 2020
Confusing ghci error message
#16358
· opened
Feb 23, 2019
by
Levent Erkök
5
P
normal
Trac import
bug
CLOSED
2
updated
Jul 07, 2019
Test runner warns of missing basline for performance tests with expected changes
#16359
· opened
Feb 23, 2019
by
davide
5
P
normal
Trac import
bug
perf tests
testsuite
CLOSED
2
updated
Sep 14, 2020
GHC fails when GHC_PACKAGE_PATH contains trailing slash
#16360
· opened
Feb 23, 2019
by
Niklas Hambüchen
3
P
low
Trac import
bug
newcomer
CLOSED
5
3
updated
Jul 07, 2019
Deriving a class via an instance that has a TypeError constraint using standalone deriving fails during compilation.
#16362
· opened
Feb 24, 2019
by
j9794
5
P
normal
Trac import
bug
custom type errors
CLOSED
7
updated
Jul 07, 2019
Panic when trying to openFile with -fdefer-type-errors
#16367
· opened
Feb 26, 2019
by
vilem
5
GHCi
P
normal
Trac import
bug
runtime crash
CLOSED
3
updated
Jul 07, 2019
Boot GHC's libffi installation path leaks into stage1 build
#16368
· opened
Feb 26, 2019
by
Sebastian Graf
⊥
5
P
normal
Trac import
bug
hadrian
CLOSED
5
updated
Jul 07, 2019
TypeApplications obscure "Variable not in scope" error message
#16375
· opened
Mar 01, 2019
by
roland
5
P
normal
Trac import
bug
CLOSED
1
updated
Jul 07, 2019
GHCi HEAD silently accepts ill-kinded visible type applications with :type
#16376
· opened
Mar 01, 2019
by
Ryan Scott
8.10.1
10
GHCi
P
highest
Trac import
bug
CLOSED
6
updated
Jan 03, 2021
`TypeError` in a pattern should flag inaccessible code
#16377
· opened
Mar 01, 2019
by
Iavor S. Diatchki
5
P
normal
Trac import
bug
custom type errors
typechecker
CLOSED
2
updated
Jul 07, 2019
bkpcabal01 fails with recent Cabal
#16378
· opened
Mar 02, 2019
by
Ben Gamari
8.8.1
10
P
highest
Trac import
bug
CLOSED
6
updated
Jul 07, 2019
JuicyPixels build panics on s390x ghc-8.4.4
#16379
· opened
Mar 02, 2019
by
Jens Petersen
5
P
normal
Trac import
bug
compiler crash
CLOSED
6
updated
Jul 07, 2019
Regression: Implicitly kind variables not in scope
#16381
· opened
Mar 03, 2019
by
Ben Gamari
8.10.1
10
P
highest
Trac import
bug
typechecker
CLOSED
2
updated
Jul 07, 2019
GHC infers ill-kinded type for typed TH splice with unlifted values
#16384
· opened
Mar 04, 2019
by
Eric Seidel
8.10.1
5
P
normal
Trac import
bug
CLOSED
1
6
updated
Jul 07, 2019
Lousy error message for `instance forall c. c`
#16385
· opened
Mar 04, 2019
by
Ryan Scott
8.10.1
5
P
normal
Trac import
bug
error messages
CLOSED
1
updated
Jul 07, 2019
Duplicate vsnwprintf symbol on Windows
#16387
· opened
Mar 04, 2019
by
Ben Gamari
8.8.2
5
P
normal
Trac import
Windows
bug
CLOSED
2
16
updated
Nov 08, 2019
T16190 fails on Windows
#16389
· opened
Mar 04, 2019
by
Ben Gamari
8.10.1
10
NCG backend
P
highest
Trac import
Windows
broken test
bug
compiler crash
CLOSED
6
updated
Jul 07, 2019
"Quantified type's kind mentions quantified type variable" error with fancy-kinded GADT
#16391
· opened
Mar 05, 2019
by
Ryan Scott
8.10.1
5
P
normal
Trac import
TypeInType
bug
typechecker
CLOSED
4
updated
Jul 27, 2020
In ghci, revertCAFs should be executed in the external interpreter when necessary
#16392
· opened
Mar 05, 2019
by
Trịnh Tuấn Phương
5
GHCi
P
normal
Trac import
bug
newcomer
remote GHCi
CLOSED
4
updated
Nov 22, 2020
Implement the "Explicit specificity in type variable binders" proposal
#16393
· opened
Mar 05, 2019
by
Alec Theriault
9.0.1
5
P
normal
Trac import
task
CLOSED
22
updated
Oct 18, 2020
GHC internal error while typechecking of instance definition
#16394
· opened
Mar 05, 2019
by
Day1721
8.8.1
3
P
low
Trac import
bug
error messages
typechecker
CLOSED
3
updated
Jul 07, 2019
--no-colour doesn't seem to do anything.
#16397
· opened
Mar 06, 2019
by
Oleg Grenrus
8.10.1
5
P
normal
Trac import
bug
hadrian
CLOSED
2
5
updated
Jul 16, 2019
Missing documentation in Windows bindist tarball
#16398
· opened
Mar 06, 2019
by
Ben Gamari
8.8.1
10
P
highest
Trac import
Windows
bug
documentation
packaging
CLOSED
1
7
updated
Sep 12, 2019
Bad error message if we use TypeApplications with an identifier that doesn't exist
#16401
· opened
Mar 07, 2019
by
Mateusz Kowalczyk
5
P
normal
Trac import
bug
CLOSED
1
updated
Jul 07, 2019
GHC doesnt' notice that `narrowWordFOO (x .&. (2^FOO-1))` is just `narrowWordFOO x`.
#16402
· opened
Mar 07, 2019
by
Mateusz Kowalczyk
5
P
normal
Trac import
feature request
runtime perf
CLOSED
1
2
updated
Jan 10, 2021
Array code works with GHC 8.4.4, hangs with GHC 8.6.4
#16406
· opened
Mar 07, 2019
by
Ghost User
8.6.5
5
P
normal
Trac import
bug
upstream
CLOSED
11
updated
Jul 07, 2019
Non-versioned haddock.exe is not part of the Windows bindist tarball
#16407
· opened
Mar 08, 2019
by
Moritz Kiefer
8.6.5
7
P
high
Trac import
Windows
bug
packaging
CLOSED
7
updated
Jul 07, 2019
incomplete ghc-8.6.4 windows binary tarball
#16408
· opened
Mar 08, 2019
by
Bruno Damour
8.6.5
10
P
highest
Trac import
bug
CLOSED
1
3
updated
Jul 07, 2019
Order of declarations matters
#16410
· opened
Mar 08, 2019
by
Icelandjack
5
P
normal
Trac import
bug
CLOSED
4
updated
Jul 07, 2019
Inconsistent -Wpartial-fields warnings with (~) vs. (~~)
#16411
· opened
Mar 09, 2019
by
Ryan Scott
8.10.1
5
P
normal
Trac import
bug
error messages
CLOSED
3
0
updated
Jul 07, 2019
Type family signatures in indefinite modules
#16412
· opened
Mar 09, 2019
by
Andrew Martin
5
P
normal
Trac import
backpack
feature request
CLOSED
2
updated
Jul 07, 2019
GHC bindist with DWARF support seems much slower than non-DWARF
#16413
· opened
Mar 09, 2019
by
jberryman
5
P
normal
Trac import
bug
debug information
CLOSED
7
updated
Jul 07, 2019
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