Issues · Glasgow Haskell Compiler / GHC

New issue

problem with splicing type into constraint

#15815 · created Oct 27, 2018 by Bertram Felgenhauer 8.6.2 10 Phighest Tbug TemplateHaskell Trac import
- CLOSED
- 1
- 12
updated Jul 07, 2019
Visible kind applications + data family: `U :: Type' said to be of kind `k0 -> k1` in error message

#15816 · created Oct 27, 2018 by Icelandjack 8.8.1 5 Pnormal Tbug Trac import TypeApplications
- CLOSED
- 2
updated Jul 07, 2019
Data family quantification = GHC panic, ‘impossible’ happened

#15817 · created Oct 27, 2018 by Icelandjack 5 Pnormal Tbug Trac import TypeApplications TypeInType
- CLOSED
- 3
updated Jul 07, 2019
Bump template-haskell version to 2.15.0.0

#15818 · created Oct 27, 2018 by Ryan Scott 8.8.1 5 Pnormal Tbug TemplateHaskell Trac import
- CLOSED
- 3
updated Jul 07, 2019
COMPLETE pragma not listed in GHC manual index

#15819 · created Oct 28, 2018 by Richard Eisenberg 8.10.1 5 Pnormal Tbug Trac import documentation
- CLOSED
- 4
updated Jul 07, 2019
Implement more constant folding for Naturals

#15821 · created Oct 28, 2018 by Ben Gamari 9.0.1 5 Pnormal Ttask Trac import ghc-bignum newcomer
- CLOSED
- 1
- 9
updated Feb 10, 2021
Core Lint error from Explicit Foralls Proposal

#15825 · created Oct 29, 2018 by Icelandjack 5 Pnormal Tbug Trac import
- CLOSED
- 4
updated Jul 07, 2019
Allow registering (Source)Plugins through the GHC API

#15826 · created Oct 29, 2018 by DanielG 8.8.1 5 GHC API Pnormal Tfeature request Trac import
- CLOSED
- 11
updated Jul 07, 2019
Explicit foralls in type family equations are pretty-printed inconsistently (and strangely, at times)

#15827 · created Oct 29, 2018 by Ryan Scott 8.8.1 5 Pnormal Tbug Trac import TypeFamilies
- CLOSED
- 6
updated Jul 07, 2019
Type family equation foralls allow strange re-quantification of class-bound type variables

#15828 · created Oct 29, 2018 by Ryan Scott 8.8.1 5 Pnormal Tbug Trac import TypeFamilies
- CLOSED
- 11
updated Jul 07, 2019
Add a test case for tricky type synonyms involving visible dependent kinds

#15829 · created Oct 29, 2018 by Ryan Scott 8.8.1 5 Pnormal Tbug Trac import typechecker
- CLOSED
- 1
updated Jul 07, 2019
Plugins Tests are Skipped

#15830 · created Oct 29, 2018 by davide Make removal 5 Pnormal Tbug Trac import hadrian plugins
- CLOSED
- 1
updated May 11, 2021
DerivingVia allows bogus implicit quantification in `via` type

#15831 · created Oct 29, 2018 by Ryan Scott 8.10.1 5 Pnormal Tbug Trac import deriving error messages
- CLOSED
- 2
- 17
updated Jul 26, 2019
genSym is not thread safe with respect to setNumCapabilities

#15834 · created Oct 30, 2018 by Neil Mitchell 5 Pnormal Tbug Trac import
- CLOSED
- 2
updated Jul 07, 2019
Hadrian should build dynamically linked ghc binary

#15837 · created Oct 30, 2018 by davide 5 Pnormal Tbug Trac import hadrian
- CLOSED
- 19
updated Jul 07, 2019
Warn about unused dependencies

#15838 · created Oct 30, 2018 by Yuras 5 Pnormal Tfeature request Trac import
- CLOSED
- 4
updated Mar 27, 2020
DerivingStrategies defaulting warning has no associated enable/suppress flag

#15839 · created Oct 31, 2018 by Akhra Gannon 8.10.1 5 Pnormal Tbug Trac import deriving error messages newcomer
- CLOSED
- 5
updated Sep 25, 2019
Inline data constructor wrappers very late

#15840 · created Oct 31, 2018 by Arnaud Spiwack 5 Pnormal Tfeature request Trac import
- CLOSED
- 7
updated Jul 07, 2019
User's Guide section for Coercible links to a 404 page

#15841 · created Nov 01, 2018 by koz_ 5 Pnormal Tbug Trac import documentation newcomer
- CLOSED
- 3
updated Jul 07, 2019
Tuple sections can't be quoted

#15843 · created Nov 01, 2018 by Matthew Pickering 8.10.1 5 Pnormal Tbug TemplateHaskell Trac import newcomer
- CLOSED
- 15
- 12
updated Jul 07, 2019
Error fetching msys2 tarballs - crt-git

#15844 · created Nov 02, 2018 by Viwor 5 Pnormal Tbug Trac import Windows ghc build failure
- CLOSED
- 1
- 2
updated Jul 07, 2019
TH eta-reduces away explicit foralls in data family instances

#15845 · created Nov 02, 2018 by Ryan Scott 8.8.1 5 Pnormal Tbug TemplateHaskell Trac import
- CLOSED
- 2
updated Jul 07, 2019
ghc builds cbits with -fPIC even when -fPIC is not passed to ghc on linux

#15848 · created Nov 02, 2018 by Zejun Wu 8.8.1 5 Pnormal Tbug Trac import driver
- CLOSED
- 2
updated Jul 07, 2019
Error message: "Perhaps you need a let in a do block", when there is no do block.

#15849 · created Nov 02, 2018 by cdsmith@twu.net 8.8.1 5 Pnormal Tbug Trac import newcomer
- CLOSED
- 3
- 2
updated Jul 07, 2019
Bad axiom produced for polykinded data family

#15852 · created Nov 02, 2018 by Richard Eisenberg 8.8.1 5 Pnormal Tbug Trac import TypeFamilies TypeInType
- CLOSED
- 7
updated Jul 07, 2019
Unregisterised GHC panics when building test cgrun018

#15853 · created Nov 03, 2018 by Ilias Tsitsimpis 8.8.1 7 Phigh Tbug Trac import code generation compiler crash
- CLOSED
- 3
updated Jul 07, 2019
PPC: Panic in native code generator

#15854 · created Nov 03, 2018 by Peter Trommler 8.8.1 5 Pnormal Tbug Trac import ghc build failure
- CLOSED
- 4
updated Jul 07, 2019
GhostScript not available for hp2ps tests

#15856 · created Nov 03, 2018 by jrp2014 8.8.1 5 Pnormal Tbug Trac import incorrect runtime result testsuite
- CLOSED
- 5
updated Jul 07, 2019
Need for better warnings arising from StarIsType extension

#15857 · created Nov 04, 2018 by jrp2014 3 Plow Tfeature request Trac import error messages
- CLOSED
- 3
updated Jul 07, 2019
Enabling a pure Plugin with existing build output never triggers recompilation

#15858 · created Nov 04, 2018 by DanielG 8.8.1 5 Pnormal Tbug Trac import
- CLOSED
- 4
updated Jul 07, 2019
Dependent quantification, GHC panic

#15859 · created Nov 05, 2018 by Icelandjack 8.6.3 5 Pnormal Tbug Trac import TypeInType
- CLOSED
- 1
- 3
updated Jul 07, 2019
Hadrian build fails on FreeBSD

#15860 · created Nov 05, 2018 by raichoo Make removal 5 Phigh Tbug Trac import compiler crash hadrian
- CLOSED
- 16
updated Mar 13, 2020
Cannot import (*) type operator

#15861 · created Nov 05, 2018 by pgujjula 5 Pnormal Tbug Trac import
- CLOSED
- 2
updated Jul 07, 2019
Panic with promoted types that Typeable doesn't support

#15862 · created Nov 05, 2018 by Ryan Scott 8.8.1 5 Pnormal Tbug Trac import TypeInType Typeable compiler crash
- CLOSED
- 7
- 8
updated Feb 25, 2020
Fix Int8#, Int16#, Word8#, Word16# tests under LLVM code generator

#15864 · created Nov 05, 2018 by Ben Gamari 8.8.1 5 LLVM backend Pnormal Tbug Trac import
- CLOSED
- 2
updated Jul 07, 2019
libiserv's version number is hard-coded

#15866 · created Nov 06, 2018 by Ryan Scott 8.6.3 5 Pnormal Tbug Trac import
- CLOSED
- 1
- 3
updated Sep 28, 2020
STG scope error

#15867 · created Nov 06, 2018 by Csaba Hruska 5 Pnormal Tbug Trac import
- CLOSED
- 18
updated Jul 07, 2019
Discrepancy between seemingly equivalent type synonym and type family

#15869 · created Nov 07, 2018 by Ryan Scott 5 Pnormal Tbug Trac import TypeFamilies typechecker visible dependent quantification
- CLOSED
- 14
updated Jul 07, 2019
No skolem info panic

#15870 · created Nov 07, 2018 by sheaf 8.6.3 10 Phighest Tbug Trac import compiler crash typechecker
- CLOSED
- 4
updated Jul 07, 2019
Revamp -fprint-explicit-kinds

#15871 · created Nov 07, 2018 by Richard Eisenberg 8.8.1 5 Pnormal Ttask Trac import
- CLOSED
- 6
updated Jul 07, 2019
Odd pretty printing of equality constraint in kind ('GHC.Types.Eq# <>)

#15872 · created Nov 07, 2018 by Icelandjack 8.10.1 5 Pnormal Tbug Trac import TypeInType error messages
- CLOSED
- 5
- 11
updated Jul 07, 2019
move to llvm 7 for 8.8.1

#15873 · created Nov 07, 2018 by george.colpitts 8.8.1 7 Phigh Ttask Trac import
- CLOSED
- 3
updated Jul 07, 2019
Data families with higher-rank kinds

#15874 · created Nov 07, 2018 by Icelandjack 5 Pnormal Tbug Trac import TypeInType
- CLOSED
- 2
updated Jul 07, 2019
Detection of ranlib by binary distribution is broken

#15875 · created Nov 08, 2018 by Ben Gamari 8.6.3 5 Pnormal Tbug Trac import
- CLOSED
- 1
- 1
updated Jul 07, 2019
--flavour=quick followed by --flavour=prof fails

#15877 · created Nov 08, 2018 by Matthew Pickering Make removal 5 Pnormal Tbug Trac import hadrian
- CLOSED
- 3
updated Mar 13, 2020
Make UniqDSet a newtype

#15879 · created Nov 09, 2018 by Sebastian Graf 8.6.3 5 Pnormal Ttask Trac import
- CLOSED
- 2
updated Jul 07, 2019
GHC Panic: data A n (a :: n) :: a -> Type

#15881 · created Nov 09, 2018 by Icelandjack 8.6.3 5 Pnormal Tbug Trac import TypeInType
- CLOSED
- 8
updated Jul 07, 2019
GHC panic: newtype F rep = F (forall (a :: TYPE rep). a)

#15883 · created Nov 09, 2018 by Icelandjack 8.10.1 5 Pnormal Tbug Trac import TypeInType UnliftedNewtypes compiler crash typechecker
- CLOSED
- 6
updated Jan 17, 2020
Completeness of View Patterns With a Complete Set of Output Patterns

#15884 · created Nov 09, 2018 by Shayan-Najd 8.6.3 5 Pnormal Tbug Trac import pattern match warnings
- CLOSED
- 2
- 3
updated Oct 12, 2019
Spurious warning about incomplete pattern with PatternSynonyms

#15886 · created Nov 10, 2018 by selinger 8.6.3 5 Pnormal Tbug Trac import error messages
- CLOSED
- 5
updated Jul 07, 2019
Ideas for a better GHCi editing experience

#15887 · created Nov 11, 2018 by Anchpop Research needed 7 Phigh Tfeature request Trac import
- CLOSED
- 5
updated Jul 07, 2019
Segmentation fault with ByteString

#15892 · created Nov 14, 2018 by takano-akio 8.6.3 10 Phighest Tbug Trac import runtime crash
- CLOSED
- 14
updated Jul 07, 2019
View Patterns affect typechecking in an unpredictable manner

#15893 · created Nov 14, 2018 by Varun Gandhi ⊥ 5 Pnormal Tbug Trac import ViewPatterns
- CLOSED
- 6
updated Jul 07, 2019
Cannot find symbol during interactive linking using new-repl on Windows

#15894 · created Nov 14, 2018 by YellPika 8.6.3 5 Pnormal Tbug Trac import
- CLOSED
- 2
updated Jul 07, 2019
Unable to match instance signatures

#15895 · created Nov 14, 2018 by Icelandjack 8.6.3 5 InstanceSigs Pnormal Tbug Trac import
- CLOSED
- 8
updated May 19, 2020
Negative MUT time in +RTS -s -RTS when heap profiling is enabled

#15897 · created Nov 15, 2018 by Mitsutoshi Aoe 8.8.1 5 Pnormal Tbug Trac import debug information profiling
- CLOSED
- 1
- 14
updated Apr 10, 2021
Promoted type constructors don't print right in HsType

#15898 · created Nov 15, 2018 by Simon Peyton Jones 8.6.3 5 Pnormal Tbug Trac import
- CLOSED
- 3
updated Jul 07, 2019
Testcase tcfail158 is broken

#15899 · created Nov 15, 2018 by Roland Senn 8.10.1 5 Pnormal Tbug Trac import testsuite
- CLOSED
- 7
updated Jul 07, 2019
Can't boot with GHC 8.6.2

#15900 · created Nov 15, 2018 by Ömer Sinan Ağacan 8.8.1 5 Pnormal Tbug Trac import
- CLOSED
- 4
updated Jul 07, 2019
dead symbol warning error in rts base

#15902 · created Nov 15, 2018 by Carter Schonwald 8.8.1 5 Pnormal Tbug Trac import
- CLOSED
- 1
updated Jul 07, 2019
Assertion failure in LDV profiler

#15903 · created Nov 16, 2018 by Ömer Sinan Ağacan 5 Pnormal Tbug Trac import profiling
- CLOSED
- 5
- 7
updated Jan 22, 2021
hp2ps fail with parse error when the command args contains double quotes

#15904 · created Nov 16, 2018 by Zejun Wu 8.8.1 5 Pnormal Tbug Trac import profiling
- CLOSED
- 2
updated Jul 07, 2019
Stable name allocation causes heap corruption when GC is triggered in the primop

#15906 · created Nov 16, 2018 by Ömer Sinan Ağacan 8.6.3 10 Phighest RTS Tbug Trac import
- CLOSED
- 2
updated Jul 07, 2019
Hadrian: Spurious build failure on fresh build

#15908 · created Nov 16, 2018 by Gabor Greif Make removal 5 Pnormal Tbug Trac import ghc build failure hadrian
- CLOSED
- 7
updated May 11, 2021
GHC missreports import as redundant.

#15910 · created Nov 17, 2018 by Andreas Klebinger 8.6.3 5 Pnormal Tbug Trac import
- CLOSED
- 2
updated Jul 07, 2019
Output hadrian build data for cabal-helper tool support

#15912 · created Nov 18, 2018 by davide 8.6.3 5 Pnormal Tfeature request Trac import hadrian
- CLOSED
- 3
updated Jan 05, 2020
haddock-library-1.7.0 fails to build on ppc64 BE

#15914 · created Nov 18, 2018 by Jens Petersen 8.6.3 5 Pnormal Tbug Trac import compiler crash
- CLOSED
- 2
updated Jul 27, 2019
Add CI for integer-simple

#15915 · created Nov 18, 2018 by Ben Gamari 8.8.1 7 Phigh Tbug Trac import infrastructure
- CLOSED
- 5
updated Jul 07, 2019
GHC doesn't build on powerpc64 architecture on systems other than GNU / Linux

#15916 · created Nov 19, 2018 by pkubaj 8.10.1 5 Pnormal Tbug Trac import ghc build failure
- CLOSED
- 45
updated Jul 07, 2019
Deprecate split objects

#15919 · created Nov 19, 2018 by Ben Gamari 8.10.1 10 Phighest Ttask Trac import
- CLOSED
- 1
updated Jul 07, 2019
Implement a flag which disables safe Haskell

#15920 · created Nov 19, 2018 by Matthew Pickering 8.8.1 7 Phigh Tbug Trac import
- CLOSED
- 6
updated Jul 07, 2019
Can't make a `binary-dist` on MacOS with Hadrian

#15922 · created Nov 20, 2018 by Alec Theriault 8.8.1 5 Pnormal Tbug Trac import hadrian
- CLOSED
- 2
updated Jul 07, 2019
Skip performance tests if not in a git repo

#15923 · created Nov 20, 2018 by davide 8.6.3 7 Phigh Tbug Trac import infrastructure testsuite
- CLOSED
- 4
updated Jul 07, 2019
Do not save performance test results if worktree is dirty

#15924 · created Nov 20, 2018 by davide 8.8.1 5 Pnormal Tbug Trac import infrastructure testsuite
- CLOSED
- 4
updated Jul 07, 2019
Production quality bindists for hadrian

#15925 · created Nov 20, 2018 by Alp Mestanogullari 8.8.1 5 Pnormal Tbug Trac import hadrian
- CLOSED
- 2
updated Jul 07, 2019
conversion from Integer to Double rounds differently depending on the value

#15926 · created Nov 21, 2018 by drvirgilio Research needed 5 Pnormal Tbug Trac import
- CLOSED
- 6
- 0
updated Jun 17, 2021
Add @since-annotations to the Foldable methods

#15930 · created Nov 21, 2018 by Simon Jakobi 8.8.1 5 Pnormal Tfeature request Trac import core libraries newcomer
- CLOSED
- 3
updated Jul 07, 2019
Wrong size for int for callbacks into Haskell from foreign code

#15933 · created Nov 22, 2018 by Ilias Tsitsimpis 8.6.3 5 FFI Pnormal Tbug Trac import incorrect runtime result
- CLOSED
- 4
- 8
updated Jun 14, 2020
Building ghc with profiling libraries fails on windows.

#15934 · created Nov 22, 2018 by Andreas Klebinger 8.8.1 10 Phighest Tbug Trac import
- CLOSED
- 9
updated Jan 17, 2020
Rethink Choice of Baseline Commit for Performance Tests

#15936 · created Nov 22, 2018 by davide 8.6.3 5 Pnormal Ttask Trac import infrastructure testsuite
- CLOSED
- 7
updated Jul 07, 2019
CI strategy for Gitlab

#15937 · created Nov 22, 2018 by Alp Mestanogullari 5 Pnormal Ttask Trac import infrastructure
- CLOSED
- 4
updated Jul 07, 2019
Hadrian's recompilation check is extremely slow

#15938 · created Nov 22, 2018 by Ben Gamari 8.8.1 7 Phigh Tbug Trac import hadrian
- CLOSED
- 43
updated Jul 07, 2019
StgLint fails because Stg bindings are not dependency-ordered

#15939 · created Nov 23, 2018 by Ömer Sinan Ağacan 5 Pnormal Tbug Trac import
- CLOSED
- 2
updated Jul 07, 2019
Pretty-printing of invisible arguments to (->)

#15941 · created Nov 23, 2018 by Krzysztof Gogolewski 8.8.1 5 Pnormal Tbug Trac import
- CLOSED
- 4
updated Jul 07, 2019
Associated type family can't be used at the kind level within other parts of parent class

#15942 · created Nov 23, 2018 by Icelandjack 8.6.3 5 Pnormal Tbug Trac import TypeApplications TypeInType
- CLOSED
- 2
- 8
updated Sep 19, 2020
"ASSERT failed" with quantified constraints

#15943 · created Nov 23, 2018 by Icelandjack 8.6.3 5 Pnormal QuantifiedConstraints Tbug Trac import
- CLOSED
- 3
updated Jul 07, 2019
Unable to compile GHC from source: redefinition of '_DYNAMIC' as different kind of symbol

#15945 · created Nov 24, 2018 by klomeli 8.8.1 5 Pnormal Tbug Trac import clang ghc build failure
- CLOSED
- 5
updated Jul 07, 2019
configure script makes use of ln -v flag which is not supported in OpenBSD

#15946 · created Nov 25, 2018 by klomeli 8.8.1 5 Pnormal Tbug Trac import ghc build failure
- CLOSED
- 4
updated Jul 07, 2019
80 unexpected failiures for make test on mac on ghc 8.6.2

#15947 · created Nov 25, 2018 by george.colpitts 8.6.3 5 Pnormal Tbug Trac import
- CLOSED
- 8
updated Jul 07, 2019
Hadrian build fails on Windows when invoked without --configure flag

#15948 · created Nov 25, 2018 by Ben Gamari 8.8.1 10 Phighest Tbug Trac import hadrian
- CLOSED
- 6
updated Aug 02, 2021
Hadrian needs more convenient build target names

#15949 · created Nov 26, 2018 by Ben Gamari 8.8.1 5 Pnormal Tfeature request Trac import
- CLOSED
- 4
updated Jul 07, 2019
Hadrian build fails on Windows

#15950 · created Nov 26, 2018 by Ben Gamari 8.8.1 7 Phigh Tbug Trac import hadrian
- CLOSED
- 7
updated Jul 07, 2019
Hadrian test doesn't show testsuite output by default

#15951 · created Nov 26, 2018 by Ben Gamari 8.8.1 5 Pnormal Tbug Trac import hadrian
- CLOSED
- 4
updated Jul 07, 2019
Reduce zonking-related invariants in the type checker

#15952 · created Nov 26, 2018 by Richard Eisenberg 8.10.1 5 Pnormal Ttask Trac import
- CLOSED
- 10
updated Jul 07, 2019
GHC always dumps the output of -ddump-hpc to STDOUT

#15953 · created Nov 26, 2018 by Chaitanya Koparkar 8.8.1 5 Pnormal Tbug Trac import
- CLOSED
- 2
updated Jul 07, 2019
LiberalTypeSynonyms unsaturation check doesn't kick in

#15954 · created Nov 26, 2018 by Ryan Scott 8.8.1 5 Pnormal Tbug Trac import typechecker
- CLOSED
- 10
updated Jul 07, 2019
Cannot get debugging symbols for compiled c-sources

#15955 · created Nov 26, 2018 by Niklas Hambüchen 8.8.1 5 Pnormal Tbug Trac import
- CLOSED
- 4
updated Jul 07, 2019
Linker error building `runghc`

#15956 · created Nov 27, 2018 by Alec Theriault 8.8.1 5 Pnormal Tbug Trac import hadrian
- CLOSED
- 5
updated Jul 07, 2019
Provide warning for when RecordWildCards LHS {..} doesn't bind anything.

#15957 · created Nov 27, 2018 by Mateusz Kowalczyk 8.10.1 5 Pnormal Tfeature request Trac import
- CLOSED
- 7
updated Jul 07, 2019
TH 'Lift' instance for 'NonEmpty'

#15961 · created Nov 28, 2018 by fr33domlover 8.8.1 5 Pnormal Tfeature request TemplateHaskell Trac import
- CLOSED
- 4
updated Jul 07, 2019