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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 135
  • Closed 814
  • All 949
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight
  • ghc-8.6.3 + Mac OSX + FFI dependency causes 'impossible happened' compiler failure
    #16063 · opened Dec 17, 2018 by benselfridge   5   Pnormal Trac import bug compiler crash
    • 7
    updated Feb 13, 2020
  • tyThingCoAxiom panics while building Agda
    #16028 · opened Dec 10, 2018 by Ilias Tsitsimpis   8.6.4   5   Pnormal Trac import bug compiler crash info needed
    • 2
    updated Jul 07, 2019
  • Backpack accepts ill-kinded instantiations. Can cause GHC panic
    #15984 · opened Dec 01, 2018 by aaronvargo   8.6.3   5   Pnormal Trac import backpack bug compiler crash
    • 6
    updated Jul 07, 2019
  • Core Lint error with LiberalTypeSynonyms
    #15979 · opened Nov 30, 2018 by Ryan Scott   5   Pnormal Trac import bug compiler crash
    • 31
    updated Sep 29, 2020
  • Improve error message: Reduction stack overflow when using "coerce"
    #15928 · opened Nov 21, 2018 by harendra   8.6.3   5   Pnormal Trac import bug compiler crash
    • 9
    updated Jul 07, 2019
  • RebindableSyntax with RankNTypes and type class method call yields panic.
    #15598 · opened Sep 03, 2018 by Roman Borschel   5   Pnormal RankNTypes RebindableSyntax Trac import bug compiler crash
    • 4
    updated Jun 17, 2020
  • ghci: dynamic linking fails on osx
    #15516 · opened Aug 13, 2018 by kfiz   8.6.1   5   GHCi Pnormal Trac import bug compiler crash
    • 1
    updated Jul 07, 2019
  • Memory usage exploding for complex pattern matching
    #14987 · opened Mar 30, 2018 by vmiraldo   5   Pnormal Trac import bug compiler crash compiler perf
    • 18
    updated May 02, 2020
  • Compiling using O1 works but panic using O2 or O3
    #14908 · opened Mar 10, 2018 by josejuan   5   Pnormal Trac import bug compiler crash
    • 2
    updated Jul 07, 2019
  • Linking error with ANN pragma
    #14829 · opened Feb 20, 2018 by ehubinette   5   Pnormal Trac import bug compiler crash
    • 3
    updated Jul 07, 2019
  • Levity polymorphism panic
    #14765 · opened Feb 05, 2018 by David Feuer   5   Pnormal Trac import bug compiler crash
    • 7
    updated Jan 23, 2020
  • The interpreter showed panic! (the 'impossible' happened)
    #14679 · opened Jan 17, 2018 by crick_   5   Pnormal Trac import bug compiler crash
    • 1
    updated Jul 07, 2019
  • ghc panic: mergeSATInfo
    #14649 · opened Jan 08, 2018 by tianxiaogu   5   Pnormal Trac import bug compiler crash static argument transformation
    • 6
    updated Feb 14, 2021
  • Simplifier Ticks Exhausted when compiling with profiling
    #14637 · opened Jan 04, 2018 by cfhammill   5   Pnormal Trac import bug compiler crash compiler perf
    • 1
    • 24
    updated Aug 02, 2019
  • capi panic (toCType Int#)
    #14624 · opened Jan 01, 2018 by tianxiaogu   5   Pnormal Trac import bug compiler crash
    • 5
    updated Jul 07, 2019
  • Internal error when linker is initialized with -fexternal-interpreter set when compiling TH code with profiling
    #14577 · opened Dec 13, 2017 by lazac   5   GHC API Pnormal Trac import Windows bug compiler crash remote GHCi
    • 0
    updated Jul 07, 2019
  • Internal error when compiling TH code with profiling on Windows
    #14576 · opened Dec 13, 2017 by lazac   5   GHC API Pnormal Trac import Windows bug compiler crash linking remote GHCi
    • 6
    updated Jul 07, 2019
  • Unable to parse integer-gmp's Cabal file
    #14558 · opened Dec 06, 2017 by taylorfausak   5   Pnormal Trac import bug compiler crash core libraries task
    • 50
    updated Jul 07, 2019
  • Make GHC more robust against PC crashes by using atomic writes
    #14533 · opened Nov 27, 2017 by Niklas Hambüchen   5   Pnormal Trac import bug compiler crash newcomer
    • 11
    updated Mar 02, 2021
  • System-wide installed profile build cannot load libHSghc-prim.0.5.2.0.so
    #14512 · opened Nov 22, 2017 by Tobias Dammers   5   Pnormal Trac import bug compiler crash
    • 6
    updated Jan 23, 2020
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