Issues · Glasgow Haskell Compiler / GHC

New issue

Core Lint error with source-level unboxed equality

#15648 · opened Sep 15, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug compiler crash
- CLOSED
- 14
updated Jul 07, 2019
Wacky error message when RULE mentions out-of-scope variable

#15659 · opened Sep 19, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug error messages newcomer
- CLOSED
- 1
updated Jul 07, 2019
T7040_ghci has a suspicious testcase failure

#15669 · opened Sep 23, 2018 by Tamar Christina 8.8.1 7 Phigh Trac import bug
- CLOSED
- 3
updated Jul 07, 2019
Link errors due to forcibly exporting findPtr

#15671 · opened Sep 23, 2018 by Tamar Christina 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 7
updated Jul 07, 2019
heap overflow with Bits.shift and Integer

#15673 · opened Sep 24, 2018 by mcmayer 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 8
updated Jul 07, 2019
Type operators in existential context cannot be parsed

#15675 · opened Sep 25, 2018 by Vladislav Zavialov 8.8.1 5 Pnormal Trac import bug parser
- CLOSED
- 3
updated Jul 07, 2019
HEAD: Build failure in ghc-prim

#15701 · opened Oct 03, 2018 by Peter Trommler 8.8.1 5 Pnormal Trac import bug ghc build failure
- CLOSED
- 2
updated Jul 07, 2019
"-main-is" flag is broken for recent ghc-head

#15702 · opened Oct 03, 2018 by Cheng Shao 8.8.1 5 Pnormal Trac import bug error messages
- CLOSED
- 6
updated Jul 07, 2019
Build panic on ghc-8.6.1 under FreeBSD when using -fllvm

#15718 · opened Oct 08, 2018 by gwright@antiope.com 8.8.1 7 Phigh Trac import bug compiler crash
- CLOSED
- 8
updated Jul 07, 2019
Command `:show bindings` throws exception for bindings without `let`

#15721 · opened Oct 08, 2018 by Tao He 8.8.1 7 GHCi Phigh Trac import bug newcomer
- CLOSED
- 5
updated Jul 07, 2019
Core Lint error: Trans coercion mis-match

#15725 · opened Oct 09, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug compiler crash
- CLOSED
- 9
updated Jul 07, 2019
-ddump-splices omits required parentheses around quantified constraints

#15738 · opened Oct 11, 2018 by Ryan Scott 8.8.1 5 Pnormal TemplateHaskell Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
Type family with higher-rank result is too accepting

#15740 · opened Oct 11, 2018 by Richard Eisenberg 8.8.1 10 Phighest Trac import TypeFamilies TypeInType bug
- CLOSED
- 7
updated Jul 07, 2019
Move free variable computation to after STG passes

#15754 · opened Oct 16, 2018 by Ben Gamari 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 14
updated Jul 07, 2019
GHC HEAD-only panic (zonkTcTyVarToTyVar)

#15778 · opened Oct 18, 2018 by Ryan Scott 8.8.1 10 Phighest Trac import TypeInType bug compiler crash typechecker
- CLOSED
- 7
updated Jul 07, 2019
Extraneous parentheses required to parse kind signature on the RHS of a type synonym

#15781 · opened Oct 19, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug parser
- CLOSED
- 2
updated Jul 07, 2019
Quoting an internal variable causes an error when splicing

#15783 · opened Oct 19, 2018 by Matthew Pickering 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 5
updated Jul 07, 2019
Core Lint error, from visible kind applications

#15788 · opened Oct 20, 2018 by Icelandjack 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 5
updated Jul 07, 2019
TH reification prints invisible arguments to rank-2-kinded type as visible

#15792 · opened Oct 22, 2018 by Ryan Scott 8.8.1 5 Pnormal TemplateHaskell Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
Type family doesn't reduce with visible kind application

#15793 · opened Oct 23, 2018 by Icelandjack 8.8.1 5 Pnormal Trac import TypeApplications bug
- CLOSED
- 5
updated Jul 07, 2019
GHC panic using visible kind application

#15797 · opened Oct 24, 2018 by Icelandjack 8.8.1 5 Pnormal Trac import TypeApplications bug
- CLOSED
- 2
updated Jul 07, 2019
"ASSERT failed!" with visible kind applications

#15801 · opened Oct 24, 2018 by Icelandjack 8.8.1 5 Pnormal Trac import TypeApplications bug
- CLOSED
- 5
updated Jul 07, 2019
GHC panic with visible kind applications

#15807 · opened Oct 25, 2018 by Icelandjack 8.8.1 5 Pnormal Trac import TypeApplications bug
- CLOSED
- 2
updated Jul 07, 2019
Visible kind applications + data family: `U :: Type' said to be of kind `k0 -> k1` in error message

#15816 · opened Oct 27, 2018 by Icelandjack 8.8.1 5 Pnormal Trac import TypeApplications bug
- CLOSED
- 2
updated Jul 07, 2019
Bump template-haskell version to 2.15.0.0

#15818 · opened Oct 27, 2018 by Ryan Scott 8.8.1 5 Pnormal TemplateHaskell Trac import bug
- CLOSED
- 3
updated Jul 07, 2019
Explicit foralls in type family equations are pretty-printed inconsistently (and strangely, at times)

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

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

#15829 · opened Oct 29, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug typechecker
- CLOSED
- 1
updated Jul 07, 2019
TH eta-reduces away explicit foralls in data family instances

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

#15848 · opened Nov 02, 2018 by Zejun Wu 8.8.1 5 Pnormal Trac import bug 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 · opened Nov 02, 2018 by cdsmith@twu.net 8.8.1 5 Pnormal Trac import bug newcomer
- CLOSED
- 3
- 2
updated Jul 07, 2019
Bad axiom produced for polykinded data family

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

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

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

#15856 · opened Nov 03, 2018 by jrp2014 8.8.1 5 Pnormal Trac import bug incorrect runtime result testsuite
- CLOSED
- 5
updated Jul 07, 2019
Enabling a pure Plugin with existing build output never triggers recompilation

#15858 · opened Nov 04, 2018 by DanielG 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 4
updated Jul 07, 2019
Panic with promoted types that Typeable doesn't support

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

#15864 · opened Nov 05, 2018 by Ben Gamari 8.8.1 5 LLVM backend Pnormal Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
Negative MUT time in +RTS -s -RTS when heap profiling is enabled

#15897 · opened Nov 15, 2018 by Mitsutoshi Aoe 8.8.1 5 Pnormal Trac import bug debug information profiling
- CLOSED
- 1
- 12
updated Sep 28, 2020
Can't boot with GHC 8.6.2

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

#15902 · opened Nov 15, 2018 by Carter Schonwald 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 1
updated Jul 07, 2019
hp2ps fail with parse error when the command args contains double quotes

#15904 · opened Nov 16, 2018 by Zejun Wu 8.8.1 5 Pnormal Trac import bug profiling
- CLOSED
- 2
updated Jul 07, 2019
Add CI for integer-simple

#15915 · opened Nov 18, 2018 by Ben Gamari 8.8.1 7 Phigh Trac import bug infrastructure
- CLOSED
- 5
updated Jul 07, 2019
Implement a flag which disables safe Haskell

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

#15922 · opened Nov 20, 2018 by Alec Theriault 8.8.1 5 Pnormal Trac import bug hadrian
- CLOSED
- 2
updated Jul 07, 2019
Do not save performance test results if worktree is dirty

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

#15925 · opened Nov 20, 2018 by Alp Mestanogullari 8.8.1 5 Pnormal Trac import bug hadrian
- CLOSED
- 2
updated Jul 07, 2019
Building ghc with profiling libraries fails on windows.

#15934 · opened Nov 22, 2018 by Andreas Klebinger 8.8.1 10 Phighest Trac import bug
- CLOSED
- 9
updated Jan 17, 2020
Hadrian's recompilation check is extremely slow

#15938 · opened Nov 22, 2018 by Ben Gamari 8.8.1 7 Phigh Trac import bug hadrian
- CLOSED
- 43
updated Jul 07, 2019
Pretty-printing of invisible arguments to (->)

#15941 · opened Nov 23, 2018 by Krzysztof Gogolewski 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 4
updated Jul 07, 2019
Unable to compile GHC from source: redefinition of '_DYNAMIC' as different kind of symbol

#15945 · opened Nov 24, 2018 by klomeli 8.8.1 5 Pnormal Trac import bug 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 · opened Nov 25, 2018 by klomeli 8.8.1 5 Pnormal Trac import bug ghc build failure
- CLOSED
- 4
updated Jul 07, 2019
Hadrian build fails on Windows when invoked without --configure flag

#15948 · opened Nov 25, 2018 by Ben Gamari 8.8.1 10 Phighest Trac import bug hadrian
- CLOSED
- 6
updated May 28, 2020
Hadrian build fails on Windows

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

#15951 · opened Nov 26, 2018 by Ben Gamari 8.8.1 5 Pnormal Trac import bug hadrian
- CLOSED
- 4
updated Jul 07, 2019
GHC always dumps the output of -ddump-hpc to STDOUT

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

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

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

#15956 · opened Nov 27, 2018 by Alec Theriault 8.8.1 5 Pnormal Trac import bug hadrian
- CLOSED
- 5
updated Jul 07, 2019
Type family & typeclass interaction suppresses errors

#15962 · opened Nov 28, 2018 by madgen 8.8.1 5 Pnormal Trac import TypeFamilies bug error messages newcomer typechecker
- CLOSED
- 2
updated Jul 07, 2019
configure doesn't error out when --enable-dwarf-unwind is given but libdw cannot be found

#15968 · opened Nov 29, 2018 by Niklas Hambüchen 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 4
updated Jul 07, 2019
Hadrian fails Shake's linter on Windows

#15971 · opened Nov 29, 2018 by Ben Gamari 8.8.1 7 Phigh Trac import bug
- CLOSED
- 14
updated Feb 28, 2020
Hadrian's `--configure` flag is broken on Windows

#15982 · opened Dec 01, 2018 by Andrey Mokhov 8.8.1 7 Phigh Trac import Windows bug hadrian
- CLOSED
- 8
updated Sep 20, 2019
`pprint EqualityT` infinitely loops

#15985 · opened Dec 02, 2018 by Ryan Scott 8.8.1 5 Pnormal TemplateHaskell Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
Poor error message source location reporting with unsaturated type family

#15986 · opened Dec 02, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import TypeFamilies bug error messages
- CLOSED
- 2
updated Jul 07, 2019
hadrian doesn't support setting intree gmp configuration explicitly

#16001 · opened Dec 05, 2018 by Carter Schonwald 8.8.1 5 Pnormal Trac import bug hadrian
- CLOSED
- 6
updated Jul 07, 2019
Type family equation with wrong name is silently accepted (GHC 8.6+ only)

#16002 · opened Dec 05, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import TypeFamilies bug
- CLOSED
- 7
updated Jan 03, 2020
GHC HEAD type family regression involving invisible arguments

#16008 · opened Dec 07, 2018 by Ryan Scott 8.8.1 10 Phighest Trac import TypeFamilies TypeInType bug typechecker
- CLOSED
- 6
updated Jul 07, 2019
:kind! accepts unsaturated type aliases

#16013 · opened Dec 08, 2018 by dmwit 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 11
updated Jul 07, 2019
Harbormaster: OS X build fails

#16019 · opened Dec 09, 2018 by Peter Trommler 8.8.1 10 Phighest RTS Trac import bug ghc build failure
- CLOSED
- 7
updated Jul 07, 2019
Can't bootstrap GHC HEAD with GHC 8.6 on Windows

#16023 · opened Dec 09, 2018 by Ben Gamari 8.8.1 10 Phighest Trac import bug
- CLOSED
- 1
- 3
updated Jul 07, 2019
Makefiles bundled with source distribution fail to build cross-compiler.

#16025 · opened Dec 10, 2018 by vanessamchale 8.8.1 5 Pnormal Trac import bug ghc build failure
- CLOSED
- 3
updated Jul 07, 2019
Poor pretty-printing of GADT constructors in GHCi

#16030 · opened Dec 11, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 5
updated Jul 07, 2019
Show instance for Data.Fixed does not show parentheses for negatives

#16031 · opened Dec 11, 2018 by skeuchel 8.8.1 5 Pnormal Trac import bug core libraries incorrect runtime result newcomer
- CLOSED
- 4
updated Jul 07, 2019
Rank-n typechecking regression between GHC 8.4 and 8.6

#16033 · opened Dec 11, 2018 by Ryan Scott 8.8.1 5 Pnormal RankNTypes Trac import bug typechecker
- CLOSED
- 4
updated Jul 07, 2019
-fno-stack-protector still necessary?

#16046 · opened Dec 13, 2018 by clumens 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 4
updated Jul 07, 2019
GHC build regression ("HSghc-prim-0.5.3.p_o: copyFile: does not exist")

#16053 · opened Dec 15, 2018 by Herbert Valerio Riedel 8.8.1 10 Phighest Trac import bug ghc build failure
- CLOSED
- 12
updated Oct 09, 2020
Hadrian failure: Values have changed since being depended upon

#16056 · opened Dec 16, 2018 by Ben Gamari 8.8.1 7 Phigh Trac import bug ghc build failure hadrian
- CLOSED
- 4
updated Jul 07, 2019
GHC built on macOS Mojave nondeterministically segfaults

#16058 · opened Dec 16, 2018 by Ben Gamari 8.8.1 10 Phighest Trac import bug ghc build failure
- CLOSED
- 4
updated Jul 07, 2019
checkValidType is defeated by a type synonym

#16059 · opened Dec 17, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug typechecker
- CLOSED
- 17
updated Jul 14, 2020
internal error: PAP object entered!

#16066 · opened Dec 18, 2018 by dnspies 8.8.1 10 Phighest Trac import bug runtime crash
- CLOSED
- 1
- 59
updated Feb 25, 2020
Hadrian build fails on Windows

#16073 · opened Dec 19, 2018 by Ben Gamari 8.8.1 7 Phigh Trac import Windows bug hadrian
- CLOSED
- 16
updated Jul 07, 2019
AvailTC Invariant being violated

#16077 · opened Dec 20, 2018 by Alec Theriault 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 3
updated Jul 07, 2019
seq is not cooperating with :sprint in GHCi as expected

#16089 · opened Dec 23, 2018 by radrow 8.8.1 5 GHCi Pnormal Trac import bug incorrect runtime result
- CLOSED
- 15
updated Jul 07, 2019
arith011 broken with integer-simple

#16091 · opened Dec 23, 2018 by Ben Gamari 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 1
updated Jul 07, 2019
let x = ... and x = ... are not the same in GHCi

#16096 · opened Dec 26, 2018 by Ömer Sinan Ağacan 8.8.1 5 GHCi Pnormal Trac import bug
- CLOSED
- 10
updated Jul 07, 2019
Haddock's resource directory isn't properly handled by Hadrian

#16105 · opened Dec 28, 2018 by Alec Theriault 8.8.1 5 Pnormal Trac import bug hadrian
- CLOSED
- 2
updated Jul 07, 2019
Inconsistent behavior of Data.Bits.shiftL with different optimization levels and -fllvm

#16111 · opened Dec 30, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug incorrect runtime result
- CLOSED
- 17
updated Aug 29, 2020
T14740 fails in debugged compiler

#16113 · opened Dec 30, 2018 by Ben Gamari 8.8.1 7 Phigh Trac import bug typechecker
- CLOSED
- 2
updated Jul 07, 2019
strange "instance .. => .. => .. where ..."

#16114 · opened Dec 31, 2018 by waldmann@imn.htwk-leipzig.de 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 7
updated Aug 06, 2019
Explicit foralls in associated type family equations are oblivious to class-bound variables

#16116 · opened Dec 31, 2018 by Ryan Scott 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 7
updated Apr 06, 2020
Random segfaults at runtime on macOS Mojave caused by GHC linker misaligning sections

#16117 · opened Dec 31, 2018 by gwynne 8.8.1 5 Pnormal Trac import bug linking runtime crash
- CLOSED
- 1
updated Oct 28, 2019
TH can sneak in TypeApplications without enabling the extension

#16133 · opened Jan 05, 2019 by Ryan Scott 8.8.1 5 Pnormal TemplateHaskell Trac import bug
- CLOSED
- 1
updated Jul 07, 2019
StrictData and TypeFamilies regression

#16141 · opened Jan 07, 2019 by Ryan Scott 8.8.1 10 Phighest Trac import bug typechecker
- CLOSED
- 12
updated Jul 14, 2019
Retainer Profiling is broken

#16182 · opened Jan 14, 2019 by Eric Crockett 8.8.1 5 Pnormal Trac import bug profiling runtime crash
- CLOSED
- 5
updated Jul 07, 2019
GHC HEAD regression: -ddump-splices incorrectly parenthesizes HsKindSig applications

#16183 · opened Jan 14, 2019 by Ryan Scott 8.8.1 5 Pnormal TemplateHaskell Trac import bug debug information
- CLOSED
- 5
updated Jul 07, 2019
GHC HEAD-only panic (buildKindCoercion)

#16188 · opened Jan 16, 2019 by Ryan Scott 8.8.1 10 Phighest Trac import TypeInType bug compiler crash typechecker
- CLOSED
- 3
- 8
updated Jul 07, 2019
GHC Panic deriving unbox vector (StrictData/unbox-strict-fields interaction)

#16191 · opened Jan 16, 2019 by dbeacham 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 7
updated Jul 07, 2019
Program with trivial polymorphism leads to out of scope dictionary

#16195 · opened Jan 16, 2019 by Matthew Pickering 8.8.1 7 Phigh TemplateHaskell Trac import backport bug typed TemplateHaskell
- CLOSED
- 3
- 6
updated Jul 07, 2019
Strictness is not preserved under -O1

#16197 · opened Jan 17, 2019 by Alex Lang 8.8.1 5 Pnormal Trac import bug incorrect runtime result
- CLOSED
- 8
updated Jul 07, 2019