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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 106
  • Closed 455
  • All 561
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight Blocking
  • GHC uses 300% CPU when calling into blocking C call
    #15485 · opened Aug 07, 2018 by oconnore   8.6.1   5   Pnormal RTS Tbug Trac import
    • 3
    updated Jul 07, 2019
  • Huge increase of compile time and memory use from 8.0.2 to 8.2.2 or 8.4.2
    #15304 · opened Jun 23, 2018 by NathanWaivio   8.6.1   7   Phigh Tbug Trac import compiler perf inlining
    • 29
    updated Apr 09, 2021
  • T11627[ab] fail on some Darwin environments
    #15287 · opened Jun 18, 2018 by Ben Gamari   8.6.1   7   Phigh Tbug Trac import
    • 6
    updated Jul 07, 2019
  • AArch64 validation fails with many invalid relocations
    #15275 · opened Jun 15, 2018 by Ben Gamari   8.6.1   7   Phigh Tbug Trac import linking
    • 21
    updated Feb 15, 2021
  • Refactor of Coercion
    #15192 · opened May 28, 2018 by Ningning Xie   8.6.1   5   Pnormal Ttask Trac import
    • 25
    updated Jul 07, 2019
  • Functions in HsUtils don't have the most general type
    #15084 · opened Apr 25, 2018 by Matthew Pickering   8.6.1   7   Phigh Tbug Trac import
    • 6
    updated Jul 07, 2019
  • Show instance for TypeReps is a bit broken
    #14341 · opened Oct 11, 2017 by David Feuer   8.6.1   5   Pnormal Tbug Trac import Typeable core libraries
    • 16
    updated Jan 17, 2020
  • Allow to run TH splices in an external interpreter in modules using compiler plugins   2 of 4 tasks completed
    #14335 · opened Oct 08, 2017 by Ben Gamari   8.6.1   5   Pnormal Tbug Trac import remote GHCi
    • 4
    • 1
    • 32
    updated Apr 01, 2021
  • Expand comment in hPutStrLn
    #14309 · opened Oct 03, 2017 by David Feuer   8.6.1   5   Pnormal Ttask Trac import core libraries documentation
    • 3
    updated Jul 07, 2019
  • tagToEnum# . dataToTag# not optimized away
    #14282 · opened Sep 27, 2017 by David Feuer   8.6.1   3   Plow Tbug Trac import
    • 9
    updated Jul 07, 2019
  • Explore moving from pretty to prettyprinter
    #14005 · opened Jul 21, 2017 by Ben Gamari   8.6.1   5   Pnormal Ttask Trac import
    • 16
    updated Mar 02, 2020
  • Add some benchmarks to nofib from Andras Kovac's Eff benchmarks
    #13892 · opened Jun 28, 2017 by Matthew Pickering   8.6.1   5   Pnormal Ttask Trac import newcomer nofib
    • 9
    updated Jul 07, 2019
  • Change in specialisation(?) behaviour since 8.0.2 causes 6x slowdown
    #13851 · opened Jun 20, 2017 by Matthew Pickering   8.6.1   5   Pnormal Tbug Trac import runtime perf simplifier
    • 10
    updated Jul 07, 2019
  • Implement KPush in types
    #13650 · opened May 05, 2017 by Richard Eisenberg   8.6.1   7   Phigh Ttask Trac import TypeInType
    • 3
    updated Jul 07, 2019
  • Lock .tix file
    #13452 · opened Mar 19, 2017 by David Feuer   8.6.1   5   HPC Pnormal Tbug Trac import newcomer
    • 6
    updated Jul 07, 2019
  • Typeclass resolution errors quite puzzling
    #13443 · opened Mar 18, 2017 by tomjaguarpaw   8.6.1   5   Pnormal Tfeature request Trac import error messages typechecker
    • 3
    updated Jul 07, 2019
  • Unboxed sums are not Typeable
    #13276 · opened Feb 12, 2017 by Ben Gamari   8.6.1   5   Pnormal Tfeature request Trac import Typeable
    • 6
    updated Jul 07, 2019
  • Speed up the RTS hash table
    #13165 · opened Jan 21, 2017 by dobenour   8.6.1   5   Pnormal RTS Tbug Trac import compact normal forms newcomer
    • 18
    updated Dec 21, 2020
  • Missed constant folding oportunities
    #12982 · opened Dec 15, 2016 by erikd   8.6.1   5   Pnormal Tfeature request Trac import newcomer
    • 6
    updated Jul 07, 2019
  • T9405 fails on Windows
    #12714 · opened Oct 16, 2016 by Ben Gamari   8.6.1   5   I/O manager Pnormal RTS Tbug Trac import Windows broken test
    • 7
    updated Jun 23, 2020
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