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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 87
  • Closed 464
  • All 551
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight
  • Unsound optimization with -O in ghc 8.4 and 8.6 when using unsafeCoerce (produced by Agda)
    #17206 · opened Sep 18, 2019 by Andreas Abel   bug incorrect runtime result simplifier
    • 5
    updated Sep 19, 2019
  • Optimizer produces Core with an infinite <<loop>> v2
    #17151 · opened Sep 04, 2019 by Alexey Kuleshevich   8.10.2   Phigh bug incorrect runtime result simplifier
    • CLOSED
    • 6
    updated Apr 07, 2020
  • Use explicit lazy binding around undefined in inlinable functions
    #16810 · opened Jun 13, 2019 by kazu-yamamoto   8.9   7   Phigh Strict bug incorrect runtime result
    • 1
    • 14
    updated Jul 07, 2019
  • -fno-omit-yields doesn't work at -O0
    #16713 · opened May 30, 2019 by roland   code generation incorrect runtime result
    • 1
    updated Jun 05, 2019
  • On x86_64, `castFloatToWord32` can generate bad, signed `Word32`s
    #16617 · opened May 01, 2019 by KevinBuhr   bug incorrect runtime result
    • CLOSED
    • 3
    • 1
    updated May 24, 2019
  • KnownNat: result changes depending on optimizations
    #16586 · opened Apr 17, 2019 by Bodigrim   8.8.1   10   Phighest bug incorrect runtime result specialisation
    • CLOSED
    • 7
    • 23
    updated Feb 25, 2020
  • Fix for #14619 is wrong
    #16514 · opened Apr 01, 2019 by Duane Ryrag   8.6.5   8   Phigh Windows bug code generation incorrect runtime result
    • CLOSED
    • 6
    • 7
    updated Feb 25, 2020
  • PowerPC Big-Endian: ArithInt16, ArithInt8, ArithWord16, and ArithWord8 fail
    #16258 · opened Jan 30, 2019 by Peter Trommler   8.10.1   5   Pnormal Trac import bug incorrect runtime result
    • CLOSED
    • 3
    • 5
    updated Jul 07, 2019
  • PPC NCG: C calling convention violated for integers smaller than word size
    #16222 · opened Jan 23, 2019 by Peter Trommler   8.10.1   5   FFI Pnormal PowerPC Trac import bug incorrect runtime result
    • CLOSED
    • 3
    • 2
    updated Jul 07, 2019
  • Strictness is not preserved under -O1
    #16197 · opened Jan 17, 2019 by Alex Lang   8.8.1   5   Pnormal Trac import bug incorrect runtime result
    • CLOSED
    • 8
    updated Jul 07, 2019
  • Data races in itimer_thread_func reported by ThreadSanitizer
    #16150 · opened Jan 08, 2019 by gnezdo   8.6.4   5   Pnormal RTS Trac import bug incorrect runtime result
    • CLOSED
    • 4
    updated Aug 20, 2019
  • ghc-pkg deadlocks on macOS
    #16147 · opened Jan 08, 2019 by rvl   8.6.4   5   Pnormal RTS Trac import bug incorrect runtime result
    • CLOSED
    • 7
    updated Jul 15, 2020
  • Inconsistent behavior of Data.Bits.shiftL with different optimization levels and -fllvm
    #16111 · opened Dec 30, 2018 by Ryan Scott   8.8.1   5   Pnormal Trac import bug incorrect runtime result
    • CLOSED
    • 17
    updated Aug 29, 2020
  • seq is not cooperating with :sprint in GHCi as expected
    #16089 · opened Dec 23, 2018 by radrow   8.8.1   5   GHCi Pnormal Trac import bug incorrect runtime result
    • CLOSED
    • 15
    updated Jul 07, 2019
  • Show instance for Data.Fixed does not show parentheses for negatives
    #16031 · opened Dec 11, 2018 by skeuchel   8.8.1   5   Pnormal Trac import bug core libraries incorrect runtime result newcomer
    • CLOSED
    • 4
    updated Jul 07, 2019
  • semantics of concurrent program depends on -O level, -f[no-]omit-yields
    #15975 · opened Nov 29, 2018 by waldmann@imn.htwk-leipzig.de   Research needed   5   Pnormal RTS Trac import bug incorrect runtime result
    • 2
    updated Nov 14, 2019
  • Wrong size for int for callbacks into Haskell from foreign code
    #15933 · opened Nov 22, 2018 by Ilias Tsitsimpis   8.6.3   5   FFI Pnormal Trac import bug incorrect runtime result
    • CLOSED
    • 4
    • 8
    updated Jun 14, 2020
  • GhostScript not available for hp2ps tests
    #15856 · opened Nov 03, 2018 by jrp2014   8.8.1   5   Pnormal Trac import bug incorrect runtime result testsuite
    • CLOSED
    • 5
    updated Jul 07, 2019
  • Testsuite failures from validate --slow
    #15736 · opened Oct 10, 2018 by jrp2014   10   Phighest Trac import bug incorrect runtime result testsuite
    • CLOSED
    • 26
    updated May 31, 2020
  • getArgsWithResponseFiles does not filter out RTS options
    #15732 · opened Oct 09, 2018 by Chaitanya Koparkar   5   Pnormal Trac import bug core libraries incorrect runtime result
    • 5
    updated Jan 23, 2020
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