Issues · Glasgow Haskell Compiler / GHC

New issue

runTestTT from ghci caused a panic.

#16080 · opened Dec 21, 2018 by emacstheviking 5 Pnormal Trac import bug compiler crash
- CLOSED
- 3
updated Jul 07, 2019
Compile countLeadingZeros to lzcnt if -mbmi2 is set

#16086 · opened Dec 22, 2018 by Dmitry Ivanov 8.10.1 3 Plow Trac import code generation feature request
- CLOSED
- 1
updated Jul 07, 2019
The 'impossible' happened when I was trying to use getCurrentDirectory in repl in spacemacs.

#16088 · opened Dec 23, 2018 by hanrai 5 Pnormal Trac import bug
- CLOSED
- 4
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
Typeset Big-O complexities with TeX-style notation in libraries/base

#16090 · opened Dec 23, 2018 by Sven Tennie 5 Pnormal Trac import core libraries task
- CLOSED
- 4
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
Bug when trying to combine two lists

#16092 · opened Dec 23, 2018 by sutbult 5 Pnormal Trac import bug ghc build failure
- CLOSED
- 2
updated Jul 07, 2019
panic! (the 'impossible' happened): for powerpc-unknown-linux getRegister(ppc): I64[I32[BaseReg + 812] + 64]

#16094 · opened Dec 24, 2018 by Sergei Trofimovich 5 Pnormal Trac import bug ghc build failure
- CLOSED
- 12
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
T11627a fails sometimes on CI

#16100 · opened Dec 27, 2018 by Matthew Pickering 5 CI breakage Pnormal Trac import bug
- CLOSED
- 5
- 14
updated Aug 21, 2019
Write a nix expression to enter a shell with specified build artifact

#16101 · opened Dec 28, 2018 by Matthew Pickering 5 Pnormal Trac import newcomer task
- CLOSED
- 1
updated Jul 07, 2019
forkProcess causes weird GC summary in the child process

#16102 · opened Dec 28, 2018 by Ömer Sinan Ağacan 5 Pnormal RTS Trac import bug
- CLOSED
- 8
updated Sep 28, 2020
docs-haddock Hadrian target doesn't work reliably

#16103 · opened Dec 28, 2018 by Alec Theriault 5 Pnormal Trac import bug hadrian
- CLOSED
- 4
updated Jul 07, 2019
Plugin name lookup behavior change from GHC 8.4 series

#16104 · opened Dec 28, 2018 by Levent Erkök 8.6.4 5 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
Remove PowerPC OS X (Darwin) support

#16106 · opened Dec 30, 2018 by Peter Trommler ⊥ 5 Pnormal Trac import task
- CLOSED
- 5
updated Jul 07, 2019
Update GCC compiler & friends

#16107 · opened Dec 30, 2018 by Philippe 8.10.1 5 Pnormal Trac import Windows feature request packaging upstream
- CLOSED
- 1
- 4
updated Oct 22, 2019
cabal install H under Windows 10 does not terminate

#16109 · opened Dec 30, 2018 by dsamperi 5 Pnormal Trac import bug runtime perf
- CLOSED
- 2
updated Jul 07, 2019
Explicit foralls in associated type family defaults are completely ignored?

#16110 · opened Dec 30, 2018 by Ryan Scott 5 Pnormal Trac import bug
- CLOSED
- 4
- 41
updated May 05, 2020
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
T11334b fails in the devel2 way

#16112 · opened Dec 30, 2018 by Ben Gamari 8.10.1 7 Phigh Trac import bug
- CLOSED
- 3
updated Jul 07, 2019
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
Hadrian should use cabal build-tools installed Alex and Happy if necessary

#16120 · opened Jan 02, 2019 by Adam Sandberg Eriksson 8.8.1 5 Pnormal Trac import feature request hadrian
- CLOSED
- 13
updated Jul 07, 2019
QuantifiedConstraints fails to deduce trivial constraint

#16123 · opened Jan 03, 2019 by Erik Schnetter 5 Pnormal QuantifiedConstraints Trac import bug
- CLOSED
- 4
updated Jul 07, 2019
Broken Links in docs/users_guide/using-optimisation.rst

#16125 · opened Jan 04, 2019 by Sven Tennie 3 Plow Trac import bug documentation
- CLOSED
- 2
updated Jul 07, 2019
Incorrect non-exhaustive pattern warning with PatternSynonyms

#16129 · opened Jan 05, 2019 by Simon Jakobi 5 Pnormal Trac import bug error messages pattern match warnings
- CLOSED
- 2
updated Jul 07, 2019
-ddump-cmm doesn't work when compiling cmm files

#16131 · opened Jan 05, 2019 by Ömer Sinan Ağacan 5 Pnormal Trac import bug
- CLOSED
- 2
updated Jul 07, 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
unhelpful parse error message: Unexpected do block in function application

#16137 · opened Jan 06, 2019 by waldmann@imn.htwk-leipzig.de 5 Pnormal Trac import bug parser
- CLOSED
- 1
updated Jul 07, 2019
Export GHC.TypeNats.natSing for TypeApplications

#16138 · opened Jan 06, 2019 by HateUsernames 5 Pnormal Trac import core libraries feature request
- 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
Some cost centre stacks are not registered via registerCcsList()

#16143 · opened Jan 07, 2019 by Ömer Sinan Ağacan 5 Pnormal Trac import bug profiling
- CLOSED
- 4
updated Dec 07, 2020
Provide integer-simple builds on Windows.

#16144 · opened Jan 07, 2019 by pjljvdlaar 5 Pnormal Trac import Windows feature request infrastructure
- CLOSED
- 6
- 10
updated Mar 14, 2020
ghc-pkg deadlocks on macOS

#16147 · opened Jan 08, 2019 by rvl 8.6.4 5 Pnormal RTS Trac import bug incorrect runtime result
- CLOSED
- 7
updated Jul 15, 2020
Data races in itimer_thread_func reported by ThreadSanitizer

#16150 · opened Jan 08, 2019 by gnezdo 8.6.4 5 Pnormal RTS Trac import bug incorrect runtime result
- CLOSED
- 4
updated Aug 20, 2019
Broken tests on Windows

#16156 · opened Jan 09, 2019 by Ben Gamari 5 Pnormal Trac import bug
- CLOSED
- 8
updated Jan 03, 2021
Provide bitreverse primop

#16164 · opened Jan 10, 2019 by Mateusz Kowalczyk 5 Pnormal Trac import feature request newcomer
- CLOSED
- 1
- 6
updated Jul 07, 2019
Move Hadrian (github) wiki information to in-tree docs

#16165 · opened Jan 10, 2019 by Alp Mestanogullari 5 Pnormal Trac import hadrian task
- CLOSED
- 2
- 1
updated Sep 05, 2020
Compiling with profiling on Windows can cause linker errors

#16166 · opened Jan 11, 2019 by Eric Crockett 8.8.4 5 Pnormal Trac import bug compiler crash
- CLOSED
- 14
updated Apr 28, 2020
-ddump-json doesn't work with -e

#16167 · opened Jan 11, 2019 by David Smith 5 Pnormal Trac import bug error messages newcomer
- CLOSED
- 9
updated May 09, 2020
Prelude docs for Integer mention J#

#16168 · opened Jan 11, 2019 by Joachim Breitner 3 Plow Trac import bug core libraries newcomer
- CLOSED
- 1
updated Jul 07, 2019
Regression for #15806: -hT not available when profiling

#16170 · opened Jan 11, 2019 by Eric Crockett 5 Pnormal Trac import bug documentation
- CLOSED
- 2
updated Jul 07, 2019
GHC 8.4 build failure on ARM

#16172 · opened Jan 12, 2019 by dustin 5 LLVM backend Pnormal Trac import bug ghc build failure
- CLOSED
- 1
updated Jul 07, 2019
Rename Q (TExp a) to Code a

#16177 · opened Jan 14, 2019 by Matthew Pickering 5 Pnormal TemplateHaskell Trac import feature request typed TemplateHaskell
- CLOSED
- 9
updated Dec 16, 2020
Mention DerivingStrategies in the warning when DeriveAnyClass and GeneralizedNewtypeDeriving are both enabled

#16179 · opened Jan 14, 2019 by Chaitanya Koparkar 8.10.1 5 Pnormal Trac import deriving feature request
- CLOSED
- 4
updated Jul 07, 2019
Make addForeignFilePath support asm

#16180 · opened Jan 14, 2019 by Sylvain Henry 5 Pnormal TemplateHaskell Trac import feature request
- CLOSED
- 3
updated Nov 09, 2019
ghc panic when using DerivingVia

#16181 · opened Jan 14, 2019 by chessai 8.10.1 5 DerivingVia Pnormal Trac import bug compiler crash deriving
- CLOSED
- 2
- 8
updated Jan 08, 2021
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 said to report a bug

#16184 · opened Jan 15, 2019 by TheKing01 5 Pnormal Trac import bug compiler crash typechecker
- CLOSED
- 1
updated Jul 07, 2019
Add an AnonArgFlag to FunTy

#16185 · opened Jan 15, 2019 by Simon Peyton Jones 8.10.1 5 Pnormal Trac import bug
- CLOSED
- 12
updated Jul 07, 2019
Segfault when embedding data via file-embed.

#16186 · opened Jan 15, 2019 by Mr Kerckhove 5 Pnormal Trac import bug compiler crash
- CLOSED
- 16
updated Jul 07, 2019
Hadrian: Build fails when using absolute path for build root

#16187 · opened Jan 16, 2019 by davide 5 Pnormal Trac import bug ghc build failure hadrian
- CLOSED
- 3
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
Speed up handling of large String literals

#16190 · opened Jan 16, 2019 by Sylvain Henry 5 Pnormal Trac import task
- CLOSED
- 11
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
deriving, wrong code: newtype T cat a = MkT ((forall xx. cat xx xx) -> a) deriving stock Functor

#16194 · opened Jan 16, 2019 by Icelandjack 5 Pnormal RankNTypes Trac import bug deriving
- CLOSED
- 5
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
Update README.md to reflect gitlab

#16196 · opened Jan 16, 2019 by Icelandjack 5 Pnormal Trac import bug newcomer
- CLOSED
- 1
- 0
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
Cmm string literals shouldn't be represented as [Word8]

#16198 · opened Jan 17, 2019 by Sylvain Henry 5 Pnormal Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
GHC 8.6 bundles libraries that don't correspond to Hackage releases

#16199 · opened Jan 17, 2019 by Ryan Scott 8.6.4 10 Phighest Trac import bug
- CLOSED
- 13
updated Jul 07, 2019
ghci063 failing on Darwin

#16201 · opened Jan 17, 2019 by Ben Gamari 8.10.1 10 CI breakage Phighest Trac import broken test bug
- CLOSED
- 4
updated Jan 23, 2021
Hadrian install script doesn't update location of haddockHTMLs and haddockInterfaces

#16202 · opened Jan 18, 2019 by Alec Theriault 5 Pnormal Trac import bug hadrian
- CLOSED
- 3
- 5
updated Jul 07, 2019
GHC HEAD-only Core Lint error (Argument value doesn't match argument type)

#16204 · opened Jan 19, 2019 by Ryan Scott 8.8.1 10 Phighest Trac import TypeInType bug compiler crash typechecker
- CLOSED
- 3
- 5
updated Jul 07, 2019
Run Haddock's test suite in CI

#16206 · opened Jan 20, 2019 by Simon Jakobi 5 Pnormal Trac import task testsuite
- CLOSED
- 3
updated Jul 07, 2019
GHC 8.6.3 hangs building wreq-0.5.3.1 on Windows

#16207 · opened Jan 21, 2019 by cromachina 5 Pnormal Trac import bug compiler crash
- CLOSED
- 2
updated Jul 07, 2019
map/coerce does not fire with all newtypes

#16208 · opened Jan 21, 2019 by Krzysztof Gogolewski 8.10.1 5 Pnormal Trac import bug
- CLOSED
- 4
updated Jul 07, 2019
Hadrian devel2 flavour builds profiling way

#16210 · opened Jan 21, 2019 by Matthew Pickering 5 Pnormal Trac import bug hadrian
- CLOSED
- 3
- 2
updated Jul 07, 2019
API Annotations: Parens not attached correctly for ClassDecl

#16212 · opened Jan 21, 2019 by Alan Zimmerman 8.8.1 5 API annotations Pnormal Trac import bug parser
- CLOSED
- 3
- 7
updated Jul 07, 2019
Unnecessary error

#16213 · opened Jan 22, 2019 by pjljvdlaar 5 Pnormal Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
Hadrian prof flavour doesn't build a compiler which you can profile

#16214 · opened Jan 22, 2019 by Matthew Pickering 5 Pnormal Trac import bug hadrian newcomer
- CLOSED
- 3
- 3
updated Jul 07, 2019
check-api-annotations should check that an annotation does not precede its span

#16217 · opened Jan 22, 2019 by Alan Zimmerman 8.8.1 5 API annotations Pnormal Trac import task testsuite
- CLOSED
- 3
- 2
updated Jul 07, 2019
T16180 is broken on Darwin

#16218 · opened Jan 23, 2019 by Ben Gamari 8.8.1 10 Phighest Trac import bug
- CLOSED
- 4
updated Jul 07, 2019
Backpack - TH+indefinite module interface file error

#16219 · opened Jan 23, 2019 by Isaac Elliott 5 Pnormal Trac import backpack bug
- CLOSED
- 4
- 13
updated Jul 07, 2019
Core Lint error with a data type

#16221 · opened Jan 23, 2019 by Krzysztof Gogolewski 8.10.1 5 Pnormal Trac import bug compiler crash typechecker
- CLOSED
- 6
updated Jul 07, 2019
PPC NCG: C calling convention violated for integers smaller than word size

#16222 · opened Jan 23, 2019 by Peter Trommler 8.10.1 5 FFI Pnormal PowerPC Trac import bug incorrect runtime result
- CLOSED
- 3
- 2
updated Jul 07, 2019
GHC HEAD-only Core Lint error (Trans coercion mis-match)

#16225 · opened Jan 23, 2019 by Ryan Scott 8.8.1 10 Phighest Trac import TypeInType bug typechecker
- CLOSED
- 3
- 2
updated Jul 07, 2019
T15897 causes CI failures due to timing out

#16227 · opened Jan 24, 2019 by Matthew Pickering 5 Pnormal Trac import bug
- CLOSED
- 1
updated Jul 07, 2019
ghc-pkg and ghc do not agree about package with internal libraries

#16228 · opened Jan 24, 2019 by Michael Peyton Jones 5 Pnormal Trac import bug ghc-pkg
- CLOSED
- 5
- 4
updated Sep 28, 2020
Dump-parsed-ast fails for very large Fractional number constants

#16229 · opened Jan 24, 2019 by Alan Zimmerman 8.10.1 5 Pnormal Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
API Annotations: more explicit foralls fixup

#16230 · opened Jan 24, 2019 by Alan Zimmerman 8.8.1 5 API annotations Pnormal Trac import bug parser
- CLOSED
- 3
- 2
updated Jul 07, 2019
GHCi under powershell fails to find libgmp-10.dll when built with hadrian.

#16231 · opened Jan 24, 2019 by Andreas Klebinger 7 GHCi Phigh Trac import Windows bug hadrian
- CLOSED
- 5
updated Jul 07, 2019
API Annotations: AnnAt disconnected for TYPEAPP

#16236 · opened Jan 25, 2019 by Alan Zimmerman 8.8.1 5 API annotations Pnormal Trac import bug parser
- CLOSED
- 3
- 2
updated Jul 07, 2019
Hadrian provides no way to accept output of test

#16238 · opened Jan 25, 2019 by Matthew Pickering 7 Phigh Trac import feature request hadrian
- CLOSED
- 2
- 5
updated Jul 07, 2019
hadrian fails to "build" _build/docs/html/libraries/base/base.haddock

#16239 · opened Jan 25, 2019 by Alp Mestanogullari 5 Pnormal Trac import bug hadrian
- CLOSED
- 7
updated Jul 07, 2019
Couldn't match kind ‘k1’ with ‘k1’

#16244 · opened Jan 27, 2019 by Ryan Scott 5 Pnormal Trac import TypeInType bug error messages typechecker
- CLOSED
- 2
- 2
updated May 05, 2020
GHC panic (No skolem info) with RankNTypes and strange scoping

#16245 · opened Jan 27, 2019 by Ryan Scott 5 Pnormal QuantifiedConstraints RankNTypes Trac import TypeInType bug compiler crash typechecker
- CLOSED
- 4
- 9
updated Dec 31, 2020
GHC 8.6 Core Lint regression (Kind application error)

#16247 · opened Jan 27, 2019 by Ryan Scott 8.10.1 5 Pnormal Trac import TypeInType bug compiler crash typechecker
- CLOSED
- 8
updated Jul 07, 2019
ImplicitParams does not imply FlexibleContexts or FlexibleInstances

#16248 · opened Jan 28, 2019 by Neil Mitchell 5 Pnormal Trac import bug documentation
- CLOSED
- 6
updated Jul 07, 2019
T5515 broken in devel2 flavour

#16251 · opened Jan 28, 2019 by Ben Gamari 8.10.1 5 Pnormal Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
INLINABLE pragma and newtype wrappers prevent inlining

#16254 · opened Jan 29, 2019 by Krzysztof Gogolewski 5 Pnormal Trac import bug
- CLOSED
- 7
updated May 29, 2020
Visible kind application defeats type family with higher-rank result kind

#16255 · opened Jan 29, 2019 by Ryan Scott 8.8.1 5 Pnormal Trac import TypeApplications TypeFamilies bug typechecker
- CLOSED
- 7
updated Jul 07, 2019
-fexternal-interpreter slow for profiling with template haskell

#16256 · opened Jan 30, 2019 by Guillaume Bouchard 5 Pnormal Trac import bug linking remote GHCi
- CLOSED
- 4
updated May 12, 2020
PowerPC Big-Endian: ArithInt16, ArithInt8, ArithWord16, and ArithWord8 fail

#16258 · opened Jan 30, 2019 by Peter Trommler 8.10.1 5 Pnormal Trac import bug incorrect runtime result
- CLOSED
- 3
- 5
updated Jul 07, 2019
Hadrian does not work with a cabal v2-installed "Happy"

#16259 · opened Jan 30, 2019 by Roland Senn 5 Pnormal Trac import bug ghc build failure hadrian
- CLOSED
- 10
updated Nov 30, 2019
Use of plugins causes different SafeHaskellMode returned for the module

#16260 · opened Jan 31, 2019 by Zejun Wu 8.8.1 5 Pnormal Trac import bug
- CLOSED
- 10
updated Jul 07, 2019