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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 31
  • Closed 207
  • All 238
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight
  • Bad axiom produced for polykinded data family
    #15852 · opened Nov 02, 2018 by Richard Eisenberg   8.8.1   5   Pnormal Trac import TypeFamilies TypeInType bug
    • CLOSED
    • 7
    updated Jul 07, 2019
  • Dependent quantification, GHC panic
    #15859 · opened Nov 05, 2018 by Icelandjack   8.6.3   5   Pnormal Trac import TypeInType bug
    • CLOSED
    • 1
    • 3
    updated Jul 07, 2019
  • Panic with promoted types that Typeable doesn't support
    #15862 · opened Nov 05, 2018 by Ryan Scott   8.8.1   5   Pnormal Trac import TypeInType Typeable bug compiler crash
    • CLOSED
    • 7
    • 8
    updated Feb 25, 2020
  • Odd pretty printing of equality constraint in kind ('GHC.Types.Eq# <>)
    #15872 · opened Nov 07, 2018 by Icelandjack   8.10.1   5   Pnormal Trac import TypeInType bug error messages
    • CLOSED
    • 5
    • 11
    updated Jul 07, 2019
  • Data families with higher-rank kinds
    #15874 · opened Nov 07, 2018 by Icelandjack   5   Pnormal Trac import TypeInType bug
    • CLOSED
    • 2
    updated Jul 07, 2019
  • GHC Panic: data A n (a :: n) :: a -> Type
    #15881 · opened Nov 09, 2018 by Icelandjack   8.6.3   5   Pnormal Trac import TypeInType bug
    • CLOSED
    • 8
    updated Jul 07, 2019
  • GHC panic: newtype F rep = F (forall (a :: TYPE rep). a)
    #15883 · opened Nov 09, 2018 by Icelandjack   8.10.1   5   Pnormal Trac import TypeInType UnliftedNewtypes bug compiler crash typechecker
    • CLOSED
    • 6
    updated Jan 17, 2020
  • Associated type family can't be used at the kind level within other parts of parent class
    #15942 · opened Nov 23, 2018 by Icelandjack   8.6.3   5   Pnormal Trac import TypeApplications TypeInType bug
    • CLOSED
    • 2
    • 8
    updated Sep 19, 2020
  • GHC HEAD type family regression involving invisible arguments
    #16008 · opened Dec 07, 2018 by Ryan Scott   8.8.1   10   Phighest Trac import TypeFamilies TypeInType bug typechecker
    • CLOSED
    • 6
    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
  • 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
  • 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
  • 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
  • Rework GHC's treatment of constraints in kinds
    #16263 · opened Jan 31, 2019 by Richard Eisenberg   8.10.1   5   Pnormal Trac import TypeInType bug newcomer
    • CLOSED
    • 14
    updated Jul 07, 2019
  • Program fails with "Impossible case alternative" when optimized
    #16310 · opened Feb 12, 2019 by Ryan Scott   5   Pnormal Trac import TypeInType bug runtime crash
    • CLOSED
    • 8
    updated Jul 07, 2019
  • GHC HEAD regression: piResultTys1
    #16347 · opened Feb 20, 2019 by Ryan Scott   8.10.1   10   Phighest Trac import TypeInType bug compiler crash typechecker
    • CLOSED
    • 3
    • 6
    updated Jul 07, 2019
  • "Quantified type's kind mentions quantified type variable" error with fancy-kinded GADT
    #16391 · opened Mar 05, 2019 by Ryan Scott   8.10.1   5   Pnormal Trac import TypeInType bug typechecker
    • CLOSED
    • 4
    updated Jul 27, 2020
  • Higher-rank kinds lead to substitution assertion failure
    #16600 · opened Apr 22, 2019 by Richard Eisenberg   TypeInType bug
    • CLOSED
    • 4
    updated Jun 08, 2019
  • Scoped kind variables are broken
    #16635 · opened May 07, 2019 by Vladislav Zavialov   TypeInType bug typechecker
    • 1
    • 22
    updated Sep 25, 2019
  • Compile-time stack overflow exception in GHC HEAD only
    #16902 · opened Jul 02, 2019 by Ryan Scott   8.10.1   TypeInType bug
    • CLOSED
    • 5
    • 3
    updated Jul 05, 2019
  • Kind inference bug in type family declaration
    #17131 · opened Aug 29, 2019 by Simon Peyton Jones   TypeFamilies TypeInType
    • CLOSED
    • 2
    • 4
    updated May 13, 2020
  • Kind-checking associated types
    #17327 · opened Oct 09, 2019 by mniip   TypeFamilies TypeInType bug typechecker
    • 2
    updated Feb 18, 2020
  • Implement homogeneous equality
    #17368 · opened Oct 16, 2019 by Richard Eisenberg   TypeInType core lint task typechecker
    • 2
    updated Mar 10, 2020
  • Regression involving unboxed types and type families
    #17541 · opened Dec 04, 2019 by Matthew Pickering   Pnormal TypeInType bug program incorrectly rejected typechecker
    • CLOSED
    • 2
    • 9
    updated Dec 12, 2019
  • `Any` appearing in a quantified constraint
    #17562 · opened Dec 10, 2019 by Richard Eisenberg   9.0.1   QuantifiedConstraints TypeInType bug error messages typechecker
    • CLOSED
    • 3
    • 4
    updated Jan 11, 2021
  • Never `Any`-ify during kind inference
    #17567 · opened Dec 11, 2019 by Richard Eisenberg   TypeInType task typechecker
    • CLOSED
    • 2
    • 1
    • 11
    updated Jan 11, 2021
  • Type-level multiplication parsed as application at kind *, no guidance provided
    #17621 · opened Dec 28, 2019 by Gesh   Pnormal TypeInType bug error messages
    • 3
    updated Jan 05, 2020
  • Kill EQ1
    #17674 · opened Jan 13, 2020 by Richard Eisenberg   TypeInType task
    • 2
    • 4
    updated May 18, 2020
  • eqType fails on comparing FunTys   0 of 3 tasks completed
    #17675 · opened Jan 13, 2020 by Richard Eisenberg   Pnormal TypeInType bug levity polymorphism
    • 1
    • 1
    updated May 02, 2020
  • A cast might get in the way of instantiation
    #18062 · opened Apr 15, 2020 by Simon Peyton Jones   Pnormal TypeInType bug typechecker
    • 1
    updated Apr 27, 2020
  • Order of StandaloneKindSignatures and CUSKs extensions significant
    #18308 · opened Jun 07, 2020 by Björn Hegerfors   CUSKs Pnormal StandaloneKindSignatures TypeInType bug typechecker
    • 5
    updated Jun 26, 2020
  • Why check for -fdefer-type-errors in metaTyVarUpdateOK?
    #18689 · opened Sep 14, 2020 by Richard Eisenberg   TypeInType typechecker
    • 1
    updated Dec 22, 2020
  • GHC panic (tcInvisibleTyBinder) when using constraint in a kind
    #18714 · opened Sep 18, 2020 by Ryan Scott   TypeInType bug compiler crash
    • CLOSED
    • 2
    • 4
    updated Sep 21, 2020
  • Tighten up the treatment of loose types in the solver
    #18753 · opened Sep 26, 2020 by Richard Eisenberg   TypeInType constraint solver typechecker
    • CLOSED
    • 3
    • 1
    updated Sep 30, 2020
  • Kind inference for newtypes in GADT syntax is deeply broken
    #18891 · opened Oct 26, 2020 by Richard Eisenberg   9.2.1   GADTs Pnormal PolyKinds StandaloneKindSignatures TypeFamilies TypeInType UnliftedNewtypes bug levity polymorphism typechecker
    • CLOSED
    • 2
    • 3
    updated Dec 08, 2020
  • TypeInType prevents Typeable from being resolved from a given
    #19196 · opened Jan 08, 2021 by Serge Kosyrev   TypeInType Typeable program incorrectly rejected typechecker
    • CLOSED
    • 3
    updated Jan 11, 2021
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