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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 41
  • Closed 121
  • All 162
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • [Feature Request] Can GHC report implicit constructor matches?
    #21572 · created May 14, 2022 by Levent Erkök   Pnormal Tfeature request pattern match warnings
    • 4
    updated May 16, 2022
  • GHC 9.0 or later gives duplicate -Wincomplete-uni-patterns warnings
    #21451 · created Apr 28, 2022 by Ryan Scott   9.6.1   Pnormal Tbug pattern match warnings
    • 2
    updated Apr 29, 2022
  • Gratuitous -Wincomplete-record-updates warning in do-notation
    #21360 · created Apr 07, 2022 by Jakob Brünker   Pnormal Tbug pattern match warnings program incorrectly rejected
    • 0
    updated Apr 12, 2022
  • Unexpected warning "redundant constraint" when a Constraint type family is used to limit GADT patterns
    #20896 · created Jan 02, 2022 by Evgeny Poberezkin   GADTs Pnormal Tbug pattern match warnings typechecker
    • 11
    updated Jan 05, 2022
  • Different -Woverlapping-patterns warnings in GHCi versus compiled code
    #20883 · created Dec 29, 2021 by Ryan Scott   GHCi Plow Tbug pattern match warnings
    • 2
    updated Jan 05, 2022
  • Per-definition control over pattern completeness (= coverage) checker
    #20643 · created Nov 08, 2021 by Andreas Abel   Pnormal Tfeature request pattern match warnings proposal pending
    • 2
    • 1
    updated Nov 15, 2021
  • Exhaustive check does not show enough pattern information for view patterns
    #20595 · created Nov 01, 2021 by ksqsf   Pnormal Tbug error messages pattern match warnings
    • 7
    updated Apr 29, 2022
  • Pattern match warnings suggest internal constructors
    #20311 · created Aug 31, 2021 by BinderDavid   ⊥   Plow Ttask error messages pattern match warnings
    • 9
    updated Dec 15, 2021
  • Pattern match checker can be very slow
    #20251 · created Aug 19, 2021 by Jaro Reinders   Pnormal Tbug compiler perf pattern match warnings
    • 13
    updated May 10, 2022
  • Type.Reflection code takes long to compile (48s on 8.10, 12s on 9.3)
    #20106 · created Jul 12, 2021 by Icelandjack   Phigh Tbug compiler perf generics info needed pattern match warnings
    • 15
    updated Nov 30, 2021
  • wording of compile-time warning/run-time error message for binding with "| False"
    #20037 · created Jun 24, 2021 by jwaldmann   info needed pattern match warnings
    • 4
    updated Jun 29, 2021
  • Follow-up from "Fix the binder-swap transformation in OccurAnal"   0 of 1 task completed
    #19585 · created Mar 24, 2021 by Sebastian Graf   pattern match warnings
    • 0
    updated Mar 24, 2021
  • GivenCheck fails in hpc way
    #19430 · created Feb 24, 2021 by Ben Gamari   HPC Pnormal Tbug pattern match warnings testsuite
    • 0
    updated Feb 24, 2021
  • Deprecate `-Winaccessible-code`
    #19428 · created Feb 23, 2021 by Sebastian Graf   Ttask pattern match warnings typechecker
    • 3
    updated May 05, 2021
  • Pattern mach checking for Rationals seems to be broken.
    #19384 · created Feb 15, 2021 by Andreas Klebinger   Pnormal Tbug pattern match warnings
    • 1
    updated Feb 21, 2021
  • Missing warning for a run-time pattern match failure
    #19327 · created Feb 05, 2021 by Hai / @BestYeen   Pnormal Tfeature request error messages pattern match warnings
    • 1
    • 2
    updated Feb 22, 2022
  • E-Graphs for representation of normalised refinement types in the pattern-match checker
    #19272 · created Jan 28, 2021 by Sebastian Graf   Ttask pattern match warnings simplifier typechecker
    • 3
    updated Sep 24, 2021
  • PmCheck: Long-distance info and where clause "refactorings" are strange
    #18823 · created Oct 09, 2020 by Sebastian Graf   Pnormal Tbug pattern match warnings
    • 1
    • 1
    updated Nov 07, 2021
  • Empty unlifted sums are always uninhabited
    #18773 · created Sep 29, 2020 by David Feuer   Pnormal Tbug UnboxedSums pattern match warnings
    • 4
    updated Sep 30, 2020
  • TypeError and GADT pattern matching exhaustiveness
    #18766 · created Sep 29, 2020 by Ziyang Liu   Pnormal Tbug custom type errors pattern match warnings
    • 7
    updated Aug 16, 2021
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