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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 4,394
  • Closed 13,944
  • All 18,338
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight Blocking
  • Bootstrap of ghc doesn’t do DESTDIR correctly, propagates build dir
    #19646 · opened Apr 04, 2021 by Steve Smith   9.2.1   Phigh backport needed:9.0 hadrian
    • 6
    updated Apr 08, 2021
  • Internal error: ARR_WORDS object entered on ByteArray# & Unboxed Sum
    #19645 · opened Apr 04, 2021 by Artem Chirkin   9.2.1   Phigh Tbug UnboxedSums runtime crash
    • 1
    • 9
    updated Apr 19, 2021
  • Missed specialisation opportunities
    #19644 · opened Apr 02, 2021 by Simon Peyton Jones   specialisation
    • 2
    updated Apr 07, 2021
  • Inefficient code generated from matching with pattern synonyms
    #19643 · opened Apr 02, 2021 by Olle Fredriksson   Pnormal Tbug compiler perf inlining join points
    • 1
    • 4
    updated Apr 16, 2021
  • Clarifications to LinearTypes entry in users guide
    #19642 · opened Apr 02, 2021 by jberryman   LinearTypes documentation
    • 1
    updated Apr 03, 2021
  • `toIntegralSized :: Integer -> Maybe Int` has suboptimal Core
    #19641 · opened Apr 02, 2021 by Simon Jakobi   Pnormal Tbug core libraries runtime perf
    • 3
    • 5
    updated Apr 05, 2021
  • GHC 9.2.0-alpha1 fails to install on a Mac. (Can't find libHSCabal)
    #19640 · opened Apr 02, 2021 by Edward Kmett   incident
    • 2
    • 1
    • 10
    updated Apr 18, 2021
  • Should we support prefix lollipop?
    #19639 · opened Apr 02, 2021 by Krzysztof Gogolewski   LinearTypes Tfeature request
    • 3
    updated Apr 07, 2021
  • ghc-bignum: build from hackage tarball fails with strange strictness mismatch error
    #19638 · opened Apr 02, 2021 by sterni   needs triage
    • CLOSED
    • 3
    updated Apr 21, 2021
  • pthread_setname_np used unconditionally
    #19637 · opened Apr 02, 2021 by Ben Gamari   9.2.1   FreeBSD Pnormal RTS Tbug
    • CLOSED
    • 5
    • 2
    updated Apr 06, 2021
  • Improve code for `divInt#`
    #19636 · opened Apr 02, 2021 by Simon Peyton Jones   9.4.1   core libraries runtime perf
    • 14
    updated Apr 06, 2021
  • Bump deepseq-1.4.5.0 or later for ghc-9.2.1
    #19635 · opened Apr 02, 2021 by Takenobu Tani   9.2.1   backport needed:9.2 core libraries
    • 0
    updated Apr 18, 2021
  • Implement type family reduction via term-level functions
    #19634 · opened Apr 02, 2021 by Rinat Striungis   9.4.1   Tfeature request TypeFamilies typechecker
    • 1
    • 2
    updated Apr 09, 2021
  • Valid unicode characters cause compiler lexing error
    #19633 · opened Apr 02, 2021 by Leo Zhang   9.2.1   Pnormal Tbug Unicode compiler crash
    • CLOSED
    • 2
    updated Apr 02, 2021
  • Release tracking ticket for GHC 9.0.2   0 of 77 tasks completed
    #19632 · opened Apr 02, 2021 by Ben Gamari   9.0.2
    • 0
    updated Apr 02, 2021
  • 9.2.1-alpha1 can't boostrap? Data.Binary.FloatCast: Can't be safely imported
    #19631 · opened Apr 02, 2021 by jwaldmann   9.2.1   Phighest Safe Haskell Tbug
    • 5
    updated Apr 15, 2021
  • bang patterns and unpack pragmas for Constraints.
    #19630 · opened Apr 01, 2021 by Edward Kmett   Tfeature request
    • 0
    updated Apr 02, 2021
  • ghc-prim:GHC.Prim has deprecation warnings on some primops but they don't appear in base:GHC.Exts
    #19629 · opened Apr 01, 2021 by Adam Sandberg Eriksson   Pnormal Tbug documentation primops
    • 1
    • 1
    updated Apr 15, 2021
  • Segmentation fault with UnliftedDatatypes in GHCi
    #19628 · opened Apr 01, 2021 by Jaro Reinders   9.2.1   Phigh Tbug runtime crash
    • 7
    updated Apr 20, 2021
  • The `solveWanteds` error message is pretty awful.
    #19627 · opened Apr 01, 2021 by Edward Kmett   Pnormal Tbug UndecidableSuperClasses error messages
    • 3
    updated Apr 05, 2021
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