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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 23
  • Closed 9
  • All 32
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • opportunistic mutability
    #21312 · created Mar 29, 2022 by Bohmthedudevulture   Research needed   Tfeature request runtime perf
    • 0
    updated Apr 05, 2022
  • Projecting existential variables
    #20337 · created Sep 06, 2021 by John Ericson   Research needed   ExistentialQuantification Plow Tfeature request
    • 0
    updated Sep 07, 2021
  • RFC: Using llvm-hs in GHC
    #20323 · created Sep 01, 2021 by andrew.wja   Research needed   LLVM backend Plow Ttask
    • 11
    updated Sep 13, 2021
  • SpecConstr increasing allocation. Maybe by triggering reboxing
    #20321 · created Sep 01, 2021 by Andreas Klebinger   Research needed   CPR/boxity analysis Pnormal SpecConstr Ttask demand analysis
    • 2
    updated May 17, 2022
  • feature request: deriving for Data.Bifoldable Data.Bifunctor Data.Bitraversable
    #20314 · created Aug 31, 2021 by Carter Schonwald   Research needed   Pnormal Tfeature request core libraries deriving
    • 2
    updated Sep 07, 2021
  • Final phase Simplification should only happen after DmdAnal
    #20270 · created Aug 23, 2021 by Sebastian Graf   Research needed   Pnormal Ttask demand analysis inlining simplifier
    • 3
    updated May 08, 2022
  • Instances for ImpredicativeTypes
    #20188 · created Jul 30, 2021 by parsonsmatt   Research needed   ImpredicativeTypes Plow Tfeature request
    • 3
    • 4
    updated Aug 11, 2021
  • Can't work with symlinked files created in other operating systems
    #19862 · created May 18, 2021 by Matt Walker   Research needed   Plow Tbug
    • 1
    updated May 19, 2021
  • Allow pragmas on field selectors.
    #18811 · created Oct 06, 2020 by Andreas Klebinger   Research needed   Plow Tfeature request records
    • 3
    updated Oct 06, 2020
  • Float out prevents RULES from firing.
    #18056 · created Apr 14, 2020 by Andreas Klebinger   Research needed   Plow float-out rules simplifier
    • 8
    updated Apr 17, 2020
  • semantics of concurrent program depends on -O level, -f[no-]omit-yields
    #15975 · created Nov 29, 2018 by waldmann@imn.htwk-leipzig.de   Research needed   5   Pnormal RTS Tbug Trac import incorrect runtime result
    • 2
    updated Nov 14, 2019
  • GHCi: Segmentation fault Data.List.sum large number
    #15634 · created Sep 12, 2018 by ksallberg   Research needed   5   GHCi Pnormal Tbug Trac import runtime crash
    • 10
    updated Jul 07, 2019
  • Investigate Haskell rewrite of testsuite driver
    #15575 · created Aug 29, 2018 by Tobias Dammers   Research needed   5   Pnormal Ttask Trac import testsuite
    • 2
    updated Mar 19, 2020
  • Implement minimumOn, maximumOn to mirror sortOn
    #15566 · created Aug 25, 2018 by Gabriel Garcia   Research needed   5   Pnormal Tfeature request Trac import core libraries
    • 6
    updated Jul 07, 2019
  • Binary crashes under dtrace
    #15543 · created Aug 20, 2018 by Last G   Research needed   5   Pnormal Tbug Trac import runtime crash
    • 3
    updated Mar 26, 2021
  • Fix unknown symbols/addresses in perf output
    #15501 · created Aug 10, 2018 by Last G   Research needed   5   Pnormal Tbug Trac import code generation debug information
    • 1
    updated Jul 07, 2019
  • Data type with phantoms using TypeInType isn't coercible
    #15441 · created Jul 26, 2018 by glittershark   Research needed   5   Pnormal Tbug Trac import roles
    • 5
    updated Jul 07, 2019
  • Weak pointers to static objects are sometimes not detected as unreachable
    #15417 · created Jul 19, 2018 by Ömer Sinan Ağacan   Research needed   5   Pnormal RTS Tbug Trac import
    • 1
    updated Jul 07, 2019
  • Better Interaction Between Specialization and GND
    #15151 · created May 14, 2018 by Andrew Martin   Research needed   5   Pnormal Tfeature request Trac import deriving
    • 4
    updated Jul 07, 2019
  • ghc-8.2.1 installation fails on OpenBSD 6.0
    #14044 · created Jul 27, 2017 by romanzolotarev   Research needed   5   Pnormal Tbug Trac import
    • 4
    updated Jul 07, 2019
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