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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 6
  • Closed 2
  • All 8
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight
  • Dubious FunDep behaviour, even for a 'textbook' example with non dodgy extensions
    #19126 · opened Dec 27, 2020 by Anthony Clayden   FunctionalDependencies OverlappingInstances UndecideableInstances bug needs triage
    • 2
    updated Dec 31, 2020
  • Instance/given overlap trips up the ambiguity check
    #18850 · opened Oct 15, 2020 by Richard Eisenberg   OverlappingInstances ambiguity check typechecker
    • 5
    updated Oct 29, 2020
  • GHC does not reject overlapping instances
    #18836 · opened Oct 13, 2020 by dminuoso   OverlappingInstances Pnormal bug documentation
    • 5
    updated Nov 09, 2020
  • 8.10: Overlapping instances claimed where there are none (or crash in 8.8)
    #18129 · opened May 02, 2020 by Serge Kosyrev   GADTs OverlappingInstances Pnormal TypeFamilies UndecidableSuperClasses UndecideableInstances bug
    • 1
    • 3
    updated Jul 01, 2020
  • Documentation for FunctionalDependencies is misleading/incomplete (and their behavior confusing) wrt overlapping instances
    #17765 · opened Jan 30, 2020 by Jakob Brünker   FunctionalDependencies OverlappingInstances Pnormal bug documentation
    • 0
    updated Feb 20, 2020
  • Undependable Dependencies
    #15632 · opened Sep 12, 2018 by AntC   8.6.1   5   FunctionalDependencies OverlappingInstances Pnormal Trac import bug
    • 11
    updated Oct 30, 2020