Issues · Glasgow Haskell Compiler / GHC · GitLab

Data races in itimer_thread_func reported by ThreadSanitizer

#16150 · opened Jan 08, 2019 by gnezdo 8.6.4 5 Pnormal RTS Tbug Trac import incorrect runtime result
- CLOSED
- 4
updated Aug 20, 2019
Strictness is not preserved under -O1

#16197 · opened Jan 17, 2019 by Alex Lang 8.8.1 5 Pnormal Tbug Trac import incorrect runtime result
- CLOSED
- 8
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 Tbug Trac import incorrect runtime result
- CLOSED
- 3
- 2
updated Jul 07, 2019
PowerPC Big-Endian: ArithInt16, ArithInt8, ArithWord16, and ArithWord8 fail

#16258 · opened Jan 30, 2019 by Peter Trommler 8.10.1 5 Pnormal Tbug Trac import incorrect runtime result
- CLOSED
- 3
- 5
updated Jul 07, 2019
Fix for #14619 is wrong

#16514 · opened Apr 01, 2019 by Duane Ryrag 8.6.5 8 Phigh Tbug Windows code generation incorrect runtime result
- CLOSED
- 6
- 7
updated Feb 25, 2020
KnownNat: result changes depending on optimizations

#16586 · opened Apr 17, 2019 by Bodigrim 8.8.1 10 Phighest Tbug incorrect runtime result specialisation
- CLOSED
- 7
- 23
updated Apr 09, 2021
On x86_64, `castFloatToWord32` can generate bad, signed `Word32`s

#16617 · opened May 01, 2019 by KevinBuhr Tbug incorrect runtime result
- CLOSED
- 3
- 1
updated May 24, 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
Use explicit lazy binding around undefined in inlinable functions

#16810 · opened Jun 13, 2019 by kazu-yamamoto 8.9 7 Phigh Strict Tbug incorrect runtime result
- 1
- 14
updated Jul 07, 2019
Optimizer produces Core with an infinite <<loop>> v2

#17151 · opened Sep 04, 2019 by Alexey Kuleshevich 8.10.2 Phigh Tbug incorrect runtime result simplifier
- CLOSED
- 6
updated Apr 07, 2021
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 Tbug incorrect runtime result simplifier
- 5
updated Sep 19, 2019
Program hangs on ppc64el

#17285 · opened Oct 01, 2019 by Ilias Tsitsimpis PowerPC Tbug incorrect runtime result info needed
- 8
updated Nov 03, 2019
Rounding always throws an arithmetic underflow exception when used with a ratio of natural numbers

#17303 · opened Oct 04, 2019 by taylorfausak 8.10.1 Phigh Tbug core libraries incorrect runtime result
- CLOSED
- 0
updated Dec 06, 2019
Data.Fixed.mod' sometimes produces nonsensical results

#17383 · opened Oct 21, 2019 by Roman Cheplyaka 8.10.1 Phigh Tbug core libraries incorrect runtime result
- CLOSED
- 1
updated Oct 31, 2019
surprising SIGQUIT behavior "This build does not support backtraces."

#17451 · opened Nov 07, 2019 by joeyh Pnormal RTS Tbug incorrect runtime result
- 3
updated Nov 08, 2019
Runtime loop when using eqT

#17458 · opened Nov 09, 2019 by Max Harms Pnormal QuantifiedConstraints Tbug Typeable incorrect runtime result
- CLOSED
- 11
updated Nov 13, 2019
text has different runtime behavior between GHC 8.6.5 and 8.8.1

#17678 · opened Jan 13, 2020 by Ryan Scott Tbug incorrect runtime result
- CLOSED
- 4
updated Jan 13, 2020
ParallelListComp semantics differs from the documented one

#17694 · opened Jan 16, 2020 by Roman Cheplyaka Pnormal Tbug incorrect runtime result
- 6
updated Jan 17, 2020
OFD locking breaks on 32-bit glibc

#17950 · opened Mar 23, 2020 by Ben Gamari 8.10.2 Phigh Tbug core libraries incorrect runtime result
- CLOSED
- 1
- 2
updated Jun 26, 2020
Global variables in GHC.IO.Encoding have inappropriate inlinings

#17970 · opened Mar 28, 2020 by Ben Gamari 8.10.2 Phigh Tbug core libraries incorrect runtime result
- CLOSED
- 5
- 2
updated Mar 31, 2020
DeriveGeneric gets a wrong infix constructor associativity when type is declared in a different module

#18101 · opened Apr 26, 2020 by Xia Li-yao Pnormal Tbug deriving generics incorrect runtime result
- 0
updated May 10, 2020
Eta-expansion of a left-section

#18151 · opened May 06, 2020 by Richard Eisenberg 9.0.1 Pnormal Tbug incorrect runtime result report impact typechecker
- CLOSED
- 1
- 8
updated Jan 12, 2021
Closure size functions will return incorrect for closures with static links

#18269 · opened May 31, 2020 by Ömer Sinan Ağacan Pnormal Tbug incorrect runtime result
- 0
updated Jun 02, 2020
`BlockedIndefinitelyOnMVar` is thrown to non-blocked threads

#18370 · opened Jun 21, 2020 by Ole RTS Tbug concurrency incorrect runtime result
- 5
updated Jun 24, 2020
withArgs and withProgName permanently modify argv[0]

#18418 · opened Jul 03, 2020 by Andreas Herrmann Tbug incorrect runtime result
- 1
updated Jul 14, 2020
Unboxed types in GHCi on big-endian platforms

#18431 · opened Jul 07, 2020 by Stefan Schulze Frielinghaus Tbug incorrect runtime result
- 25
updated Aug 26, 2020
GHC does not respect semantics of bang patterns

#18444 · opened Jul 13, 2020 by Richard Eisenberg BangPatterns Pnormal Tbug incorrect runtime result
- 1
updated Jul 27, 2020
targetByteOrder on s390x

#18445 · opened Jul 14, 2020 by Andrew Martin Pnormal Tbug incorrect runtime result s390x
- 8
updated Jul 27, 2020
Optimisation removes effectful computation.

#18527 · opened Aug 03, 2020 by Tobias Decking Phigh Tbug Windows code generation incorrect runtime result
- CLOSED
- 4
- 13
updated Aug 16, 2020
GHC.HsToCore.Coverage doesn't take expressions in View Patterns into account

#18590 · opened Aug 19, 2020 by wz1000 HPC Pnormal Tbug incorrect runtime result
- 0
updated Sep 30, 2020
Bignum: natural subtraction sometimes wrong

#18604 · opened Aug 24, 2020 by Sylvain Henry Phighest Tbug ghc-bignum incorrect runtime result
- CLOSED
- 1
updated Oct 12, 2020
Data.Bits.shiftL should generate overflow exception for Integer operand

#18619 · opened Aug 29, 2020 by Sergei Trofimovich Pnormal Tbug core libraries incorrect runtime result
- 3
updated Jan 24, 2021
Global ImplicitParams technique doesn't work with optimizations enabled

#18627 · opened Aug 31, 2020 by Dmitrii Kovanikov ImplicitParams Tbug incorrect runtime result needs triage
- CLOSED
- 5
- 6
updated Oct 13, 2020
Strange behavior when optimization is turned on, with GHC >= 8.2.2

#18829 · opened Oct 11, 2020 by Vanessa McHale Phigh Tbug incorrect runtime result
- 8
updated Nov 09, 2020
Reversed profile stack

#18868 · opened Oct 20, 2020 by Douglas RAILLARD Pnormal Tbug incorrect runtime result profiling
- 3
updated Oct 20, 2020
Fix Alternative instance for IO

#18871 · opened Oct 21, 2020 by Isaac Berger Tbug core libraries incorrect runtime result
- 6
updated Feb 12, 2021
T13330 fails sporatically on Windows

#18876 · opened Oct 22, 2020 by Ben Gamari Pnormal Tbug Windows incorrect runtime result
- 0
updated Oct 22, 2020
Segfault on s390x due to missing sign/zero extend

#19023 · opened Dec 03, 2020 by Stefan Schulze Frielinghaus LLVM backend Tbug incorrect runtime result s390x
- CLOSED
- 8
- 4
updated Jan 26, 2021
Strange behavior when using -O

#19053 · opened Dec 12, 2020 by Arthur Khashaev Pnormal Tbug incorrect runtime result simplifier
- 1
- 2
updated Dec 15, 2020
CPP def name typo: THREADEDED_RTS

#19057 · opened Dec 13, 2020 by Csaba Hruska RTS Tbug incorrect runtime result
- CLOSED
- 3
- 2
updated Dec 19, 2020
Restarting event log results in invalid output

#19078 · opened Dec 16, 2020 by Ben Gamari RTS Tbug eventlog incorrect runtime result
- CLOSED
- 1
- 0
updated Mar 05, 2021
arithmetic sequence discrepancy

#19080 · opened Dec 17, 2020 by DOUGLAS MCILROY Phigh Tbug core libraries incorrect runtime result
- CLOSED
- 6
updated Dec 17, 2020
Error in accounting for GC cpu time in sequential collections

#19147 · opened Jan 01, 2021 by Douglas Wilson Pnormal RTS Tbug incorrect runtime result
- CLOSED
- 1
updated Apr 10, 2021
ghci's :type still ignores ill-kinded type application with -fdefer-type-errors

#19158 · opened Jan 03, 2021 by Jakob Brünker GHCi Pnormal Tbug deferred type errors incorrect runtime result
- CLOSED
- 4
- 2
updated Jan 22, 2021
Natural shiftL 0 65 not equal to 0

#19170 · opened Jan 05, 2021 by Christiaan Baaij 9.0.1 Phighest Tbug ghc-bignum incorrect runtime result
- CLOSED
- 5
- 1
updated Jan 29, 2021
Type literals in Reflection of type constructor kinds leads to SafeHaskell violation

#19288 · opened Jan 31, 2021 by Kyle Ehrlich 9.0.2 Tbug Typeable incorrect runtime result needs triage
- CLOSED
- 3
- 6
updated Feb 05, 2021
Optimisations cause incorrect runtime result in Integer calculation

#19345 · opened Feb 10, 2021 by sheaf 9.0.1 Phighest Tbug backport ghc-bignum incorrect runtime result
- CLOSED
- 9
updated Mar 10, 2021
Data.Complex doesn't consistently distinguish -0.0

#19369 · opened Feb 14, 2021 by JKTKops Pnormal Tbug core libraries incorrect runtime result numerics
- 2
updated Feb 21, 2021
fromIntegral (2^64 :: Integer) == (0 :: Natural)

#19411 · opened Feb 20, 2021 by Bodigrim 9.0.2 Phighest Tbug ghc-bignum incorrect runtime result
- CLOSED
- 11
updated Mar 04, 2021
unsafePerformIO/NOINLINE tricks no longer work

#19413 · opened Feb 21, 2021 by Neil Mitchell Phighest Tbug incorrect runtime result
- 7
updated Mar 05, 2021
Eventlog flushing in non-threaded is broken

#19436 · opened Feb 25, 2021 by Matthew Pickering Pnormal RTS Tbug eventlog incorrect runtime result
- CLOSED
- 2
- 0
updated Mar 01, 2021
PowerPC: IntegerToFloat test failure

#19563 · opened Mar 19, 2021 by Peter Trommler NCG backend PowerPC Tbug incorrect runtime result needs triage
- CLOSED
- 2
- 5
updated Mar 23, 2021
Floating Point regression in NoFib's `imaginary/integrate` benchmark

#19569 · opened Mar 20, 2021 by Sebastian Graf 9.2.1 Phighest Tbug incorrect runtime result numerics
- 6
updated Apr 07, 2021
case over signum of Integer is incorrect in GHC 9.2

#19680 · opened Apr 09, 2021 by Bodigrim 9.2.1 Phighest Tbug backport needed:9.2 ghc-bignum incorrect runtime result
- CLOSED
- 2
- 12
updated Apr 16, 2021

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