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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 103
  • Closed 89
  • All 192
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • Case of known constructor can weaken indicated demands on a functions arguments.
    #21565 · created May 12, 2022 by Andreas Klebinger   Plow Tfeature request demand analysis simplifier
    • 6
    updated May 13, 2022
  • Panic from refineFromInScope when using Typeable with TH
    #21547 · created May 10, 2022 by Tom Smeding   9.2.3   Phigh Tbug compiler crash simplifier
    • 1
    • 15
    updated May 20, 2022
  • Should OtherCon[] be considered harmful?
    #21496 · created May 04, 2022 by Andreas Klebinger   Pnormal Ttask simplifier
    • 12
    updated May 10, 2022
  • The behaviour of `collectTyAndValBinders` is missleading.
    #21449 · created Apr 28, 2022 by Andreas Klebinger   Plow Ttask simplifier
    • 2
    updated Apr 29, 2022
  • Confusing comments around SimplEnv
    #21374 · created Apr 11, 2022 by Matthew Pickering   Ttask simplifier
    • 8
    updated Apr 12, 2022
  • Tidy doesn't remove shadowing from typeclass method accessors
    #21363 · created Apr 08, 2022 by Gergő Érdi   Pnormal Ttask documentation simplifier
    • 5
    updated Apr 11, 2022
  • Panic from refineFromInScope when simplifying Lam body
    #21321 · created Mar 31, 2022 by Ziyang Liu   GHC API Pnormal simplifier
    • 1
    • 2
    updated Apr 05, 2022
  • Constant-folding may disrespect negative zero
    #21227 · created Mar 13, 2022 by Matthew Craven   Tbug numerics simplifier
    • 4
    updated Mar 15, 2022
  • boxingDataCon_maybe lacks boxing constructors for many primitive types
    #21165 · created Mar 04, 2022 by Matthew Pickering   9.6.1   Pnormal Tfeature request simplifier
    • 5
    updated Mar 09, 2022
  • Inadequate FloatIn pass may leave redundant allocations in the hot path
    #21128 · created Feb 24, 2022 by Sebastian Graf   Pnormal Tbug demand analysis float-in runtime perf simplifier
    • 1
    updated Mar 16, 2022
  • Failure of arity trimming leads to simplifer loop
    #20953 · created Jan 16, 2022 by Simon Peyton Jones   Pnormal Tbug compiler perf representation polymorphism simplifier
    • 4
    updated Jan 17, 2022
  • Simplifier loop through cast worker/wrapper
    #20952 · created Jan 16, 2022 by Simon Peyton Jones   Pnormal Tbug simplifier worker/wrapper transformation
    • 1
    updated Jan 17, 2022
  • Worker/wrapper transformation doesn't unpack all applicable dictionaries
    #20917 · created Jan 08, 2022 by Andrzej Rybczak   Pnormal Tbug runtime perf simplifier worker/wrapper transformation
    • 12
    updated Jan 21, 2022
  • All classes as data types, even single-methods ones?
    #20897 · created Jan 02, 2022 by Joachim Breitner   Plow Ttask desugaring simplifier
    • 1
    • 28
    updated May 21, 2022
  • Stack overflow / OOM with UndecidableSuperClasses in 9.2
    #20836 · created Dec 17, 2021 by Brandon Chinn   9.2.2   Phigh Tbug incorrect runtime result runtime crash simplifier
    • 1
    • 11
    updated May 20, 2022
  • Pretty-printing: Print join-rhs (and let-no-escape-rhs) after the body?
    #20809 · created Dec 10, 2021 by Sebastian Graf   Pnormal Ttask pretty printing simplifier
    • 1
    updated Dec 14, 2021
  • Likely bug in coercion optimization
    #20798 · created Dec 08, 2021 by Richard Eisenberg   Coercions Phigh Tbug core lint simplifier
    • 3
    updated Apr 07, 2022
  • Duplicate join points redux
    #20739 · created Nov 25, 2021 by vdukhovni   Plow Tbug join points simplifier
    • 20
    updated Dec 08, 2021
  • Unexpected code duplication of join point continuations...
    #20717 · created Nov 21, 2021 by vdukhovni   Pnormal runtime perf simplifier
    • 7
    updated Nov 25, 2021
  • Use weak sybols to share orphan specializations of functions.
    #20710 · created Nov 18, 2021 by Andreas Klebinger   Plow Tquestion simplifier specialisation
    • 2
    updated Dec 06, 2021
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