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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 325
  • Closed 1,052
  • All 1,377
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • Pattern synonyms in hs-boot files
    #13322 · created Feb 23, 2017 by Edward Z. Yang   3   Plow Tfeature request Trac import backpack hs-boot typechecker
    • 1
    • 1
    updated Jul 07, 2019
  • Abstract classes in hs-boot should not be treated as injective
    #13347 · created Feb 27, 2017 by Edward Z. Yang   3   Plow Tbug Trac import hs-boot typechecker
    • 1
    updated Jul 07, 2019
  • Role ranges (allow decomposition on newtypes)
    #13358 · created Mar 01, 2017 by Edward Z. Yang   3   Plow Tfeature request Trac import backpack roles typechecker
    • 3
    updated Jul 07, 2019
  • Typeclass resolution errors quite puzzling
    #13443 · created Mar 18, 2017 by tomjaguarpaw   8.6.1   5   Pnormal Tfeature request Trac import error messages typechecker
    • 3
    updated Jul 07, 2019
  • Code using ConstraintKinds needs explicit kind signature with GHC 8.2.1
    #13742 · created May 22, 2017 by albertov   5   ConstraintKinds Pnormal Tbug Trac import typechecker
    • 13
    updated Jul 07, 2019
  • Variables pretty-printed from -ddump-deriv are not scoped properly
    #13748 · created May 23, 2017 by Ryan Scott   5   Pnormal Tbug Trac import deriving typechecker
    • 0
    updated Jul 07, 2019
  • Rename AND typecheck types before values
    #14340 · created Oct 11, 2017 by Edward Z. Yang   5   Pnormal Ttask Trac import typechecker
    • 0
    updated Jul 07, 2019
  • {-# complete #-} should be able to handle | like {-# minimal #-}
    #14423 · created Nov 05, 2017 by Edward Kmett   5   Pnormal PatternSynonyms Tfeature request Trac import typechecker
    • 0
    updated Jul 07, 2019
  • Abstract pattern synonyms (for hsig and hs-boot)
    #14478 · created Nov 17, 2017 by Edward Z. Yang   5   Pnormal Tfeature request Trac import backpack typechecker
    • 4
    updated Jul 07, 2019
  • Untouchable error arises from type equality, but not equivalent program with fundeps
    #14570 · created Dec 10, 2017 by Alexis King   5   Pnormal Tbug Trac import typechecker
    • 4
    updated Jul 07, 2019
  • Keep Role Annotations in the renamed syntax tree
    #14772 · created Feb 07, 2018 by lazac   5   Pnormal Tfeature request Trac import typechecker
    • 0
    updated Jul 07, 2019
  • Typed hole subtitution search fails in the REPL
    #14858 · created Feb 26, 2018 by paf31   8.4.1   5   Pnormal Tbug Trac import typechecker typed holes
    • 1
    updated Jul 07, 2019
  • QuantifiedConstraints: Can't be RHS of type family instances
    #14968 · created Mar 24, 2018 by josef   5   Pnormal Tbug Trac import typechecker
    • 1
    • 11
    updated Jul 07, 2019
  • Exhaustivity check should suggest when COMPLETE could be helpful
    #15014 · created Apr 08, 2018 by Edward Z. Yang   8.4.3   5   Pnormal PatternSynonyms Tbug Trac import error messages pattern match warnings typechecker
    • 0
    updated Jul 07, 2019
  • Derive Generic1 instances for types of kind (k -> *) -> * that include applications of the parameter
    #15310 · created Jun 25, 2018 by cedricshock   3   Plow Tfeature request Trac import generics typechecker
    • 3
    updated Jul 07, 2019
  • Reduce type families in equations' RHS when testing equation compatibility
    #15557 · created Aug 22, 2018 by mniip   8.6.1   5   Pnormal Tfeature request Trac import TypeFamilies typechecker
    • 7
    updated Jul 07, 2019
  • Surprising failure combining QuantifiedConstraints with Coercible
    #15639 · created Sep 13, 2018 by David Feuer   8.6.1   5   Pnormal Tbug Trac import typechecker
    • 10
    updated Jul 07, 2019
  • More liberally kinded coercions for newtypes
    #15707 · created Oct 05, 2018 by mniip   8.6.1   5   Pnormal Tfeature request Trac import roles typechecker
    • 5
    updated Jul 07, 2019
  • Cross-module SPECIALZE pragmas aren't typechecked in -O0
    #15708 · created Oct 05, 2018 by regnat   5   Pnormal Tbug Trac import typechecker
    • 2
    updated Jul 07, 2019
  • Adding extra quantified constraints leads to resolution failure
    #15989 · created Dec 02, 2018 by eror   8.6.3   5   Pnormal Tbug Trac import typechecker
    • 7
    updated Jul 07, 2019
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