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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 25
  • Closed 794
  • All 819
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • GHC configure step can fail when CC=clang
    #15742 · created Oct 12, 2018 by judah   8.8.2   5   Phighest Tbug Trac import
    • CLOSED
    • 5
    • 1
    • 3
    updated Jan 07, 2020
  • Windows builds broken
    #18272 · created May 31, 2020 by Tamar Christina   9.0.1   10   Phighest Tbug Windows
    • CLOSED
    • 7
    • 5
    updated Jun 04, 2020
  • Poly-kinded rewrite rule fails to typecheck (HEAD only)
    #17710 · created Jan 19, 2020 by Ryan Scott   9.0.1   10   Phighest PolyKinds Tbug rules typechecker
    • CLOSED
    • 2
    • 9
    updated Mar 15, 2020
  • HEAD-only panic (coVarKindsTypesRole, non coercion variable) with -O2 and -dcore-lint
    #17590 · created Dec 19, 2019 by Ryan Scott   9.0.1   10   Phighest Tbug core lint
    • CLOSED
    • 4
    updated Mar 15, 2020
  • GHC 8.10 regression: Core Lint error when defining instance of CUSK-less class
    #17566 · created Dec 11, 2019 by Ryan Scott   8.10.2   10   CUSKs Phighest PolyKinds Tbug TypeFamilies
    • CLOSED
    • 6
    • 32
    updated Oct 19, 2020
  • GHC HEAD-only panic (emitPrimOp: handled above in cgOpApp)
    #17442 · created Nov 06, 2019 by Ryan Scott   8.10.1   10   Phighest TypeFamilies compiler crash
    • CLOSED
    • 5
    • 9
    updated Feb 25, 2020
  • TypeFamilyDependencies aggressively requires UndecidableInstances on GHC HEAD
    #17405 · created Oct 27, 2019 by Ryan Scott   8.10.1   10   Phighest TypeFamilies UndecideableInstances injective type families
    • CLOSED
    • 2
    • 8
    updated Feb 25, 2020
  • GHC HEAD regression: -Wincomplete-patterns incorrectly warns on TH-quoted function
    #17270 · created Sep 28, 2019 by Ryan Scott   8.10.1   10   Phighest TemplateHaskell pattern match warnings
    • CLOSED
    • 4
    • 13
    updated May 29, 2020
  • QuantifiedConstraints can prove anything with an infinite loop.
    #17267 · created Sep 27, 2019 by James Payor   8.10.1   10   Phighest QuantifiedConstraints
    • CLOSED
    • 11
    updated Dec 23, 2019
  • GHC thinks type variables are not bound by data family constructor in LHS of type synonym instance
    #17067 · created Aug 17, 2019 by Alexis King   8.10.1   10   Phighest TypeFamilies
    • CLOSED
    • 3
    • 4
    updated Aug 18, 2019
  • Minimized `microstache` code fails Core Lint
    #16978 · created Jul 24, 2019 by Ryan Scott   8.10.1   10   Phighest core lint
    • CLOSED
    • 1
    • 12
    updated Nov 22, 2019
  • Core lint error building `network-2.6.3.6` with HEAD
    #16918 · created Jul 06, 2019 by Matthew Pickering   8.10.1   10   Phighest Tbug simplifier
    • CLOSED
    • 3
    • 14
    updated Aug 21, 2019
  • Consistent segfault when compiled program is executed
    #16893 · created Jul 01, 2019 by Alexey Kuleshevich   9.0.1   10   Phighest Tbug runtime crash
    • CLOSED
    • 11
    • 88
    updated Dec 08, 2021
  • GHC 8.8.1-alpha2's automatic enabling of -fobject-code breaks some doctest workflows
    #16876 · created Jun 26, 2019 by Ryan Scott   8.10.1   10   GHCi Phighest Tbug UnboxedSums UnboxedTuples
    • CLOSED
    • 2
    • 15
    updated Dec 31, 2020
  • Mac OS builders are over capacity
    #16771 · created Jun 07, 2019 by Ben Gamari   10   Phighest infrastructure
    • CLOSED
    • 6
    updated Nov 21, 2019
  • GHC HEAD-only panic with PartialTypeSignatures
    #16728 · created May 31, 2019 by Ryan Scott   8.10.1   10   Phighest PolyKinds partial type sigs
    • CLOSED
    • 1
    • 2
    updated Jul 07, 2019
  • Update 8.8 libraries
    #16690 · created May 24, 2019 by Oleg Grenrus   8.8.1   10   Phighest Ttask
    • CLOSED
    • 2
    updated Jul 20, 2019
  • Can't build `ghc-8.8` branch with `happy-1.19.10`
    #16652 · created May 13, 2019 by Ryan Scott   8.8.1   10   Phighest parser
    • CLOSED
    • 4
    updated Aug 12, 2020
  • Recompilation results in linking failure or program segfault
    #16608 · created Apr 29, 2019 by Kirill Elagin   8.8.1   10   Phighest Tbug
    • CLOSED
    • 6
    • 25
    updated Sep 02, 2019
  • GHC 8.8-related changelogs omit several important major developments   5 of 5 tasks completed
    #16603 · created Apr 24, 2019 by Ryan Scott   8.8.1   10   Phighest documentation
    • CLOSED
    • 5
    • 1
    • 3
    updated Feb 25, 2020
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