Issues · Glasgow Haskell Compiler / GHC · GitLab

sendWakeup error in simple test program with MVars and killThread

#5553 · opened Oct 12, 2011 by bit 8.2.2 7 Phigh RTS Trac import bug incorrect runtime result
- CLOSED
- 14
updated Jul 07, 2019
Different results depending on if the code was compiled with or without optimizations

#15686 · opened Sep 28, 2018 by Darwin226 8.4.1 5 Pnormal Trac import bug incorrect runtime result
- CLOSED
- 1
updated Jul 07, 2019
-O1 changes result at runtime, duplicating __DEFAULT case

#14768 · opened Feb 06, 2018 by Bodigrim 8.4.1 10 Phighest Trac import bug incorrect runtime result
- CLOSED
- 9
updated Jul 07, 2019
-O1 changes result at runtime

#14754 · opened Feb 03, 2018 by Bodigrim 8.4.1 10 Phighest Trac import bug incorrect runtime result
- CLOSED
- 10
updated Jul 07, 2019
Deriving Show with -XEmptyDataDeriving cases on the wrong argument

#14692 · opened Jan 20, 2018 by Ryan Scott 8.4.1 7 Phigh Trac import bug deriving incorrect runtime result
- CLOSED
- 2
updated Jul 07, 2019
GHC 8.4.1 regression: rank-n types no longer parenthesized when pretty-printed

#14646 · opened Jan 08, 2018 by Ryan Scott 8.4.1 7 GHC API Phigh Trac import bug incorrect runtime result
- CLOSED
- 9
updated Jul 07, 2019
Output value of program changes upon compiling with -O optimizations

#14619 · opened Dec 26, 2017 by sheaf 8.4.1 10 Phighest Trac import bug code generation incorrect runtime result
- CLOSED
- 46
updated Jul 07, 2019
-prof causes -N to default to 1

#14545 · opened Nov 29, 2017 by gelisam 8.4.1 5 Pnormal Trac import bug incorrect runtime result
- CLOSED
- 3
updated Jul 07, 2019
+RTS -hT does not report about SmallArray objects

#14513 · opened Nov 23, 2017 by takano-akio 8.4.1 5 Pnormal RTS Trac import bug incorrect runtime result profiling
- CLOSED
- 3
updated Jul 07, 2019
GHC 8.2.1 picks wrong instances with -O in a presence of an OVERLAPPABLE instance

#14434 · opened Nov 07, 2017 by dredozubov 8.4.1 7 Phigh Trac import bug incorrect runtime result
- CLOSED
- 7
updated Jul 07, 2019
approxRational is wrong when (rat - eps) overflows in negative direction

#14425 · opened Nov 06, 2017 by danielk 8.4.1 5 Pnormal Trac import bug core libraries incorrect runtime result
- CLOSED
- 4
updated Jul 07, 2019
GHC HEAD miscompiles `text-containers`

#14361 · opened Oct 17, 2017 by Herbert Valerio Riedel 8.4.1 7 Phigh Trac import bug incorrect runtime result
- CLOSED
- 14
updated Jul 07, 2019
"Main: thread blocked indefinitely in an MVar operation" in fixIO

#14356 · opened Oct 16, 2017 by nickkuk 8.4.1 3 Plow RTS Trac import bug error messages incorrect runtime result
- CLOSED
- 10
updated Jul 07, 2019
ghc-prim: hs_atomicread* and hs_atomicwrite* missing barriers

#14244 · opened Sep 17, 2017 by Peter Trommler 8.4.1 10 Phighest Trac import bug core libraries incorrect runtime result
- CLOSED
- 11
updated Jul 07, 2019
powModInteger sometimes ignores sign of argument

#14085 · opened Aug 03, 2017 by ocheron 8.4.1 5 Pnormal Trac import bug core libraries incorrect runtime result integer-gmp
- CLOSED
- 4
updated Jul 07, 2019
GADT constructor with kind equality constraint quantifies unused existential type variables

#13988 · opened Jul 17, 2017 by Ryan Scott 8.4.1 5 Pnormal Trac import TypeInType bug incorrect runtime result typechecker
- CLOSED
- 7
updated Jul 07, 2019
GHC RTS VEH swallowing exceptions

#13911 · opened Jul 02, 2017 by tim-m89 8.4.1 5 Pnormal RTS Trac import bug incorrect runtime result runtime crash
- CLOSED
- 3
updated Jul 07, 2019
KQueue evtmgr backend fails to register for write events

#13903 · opened Jun 30, 2017 by waldheinz 8.4.1 5 Pnormal RTS Trac import bug incorrect runtime result
- CLOSED
- 4
updated Sep 28, 2020
Template Haskell doesn't freshen GADT type variables properly

#13885 · opened Jun 27, 2017 by Ryan Scott 8.4.1 5 Pnormal TemplateHaskell Trac import bug incorrect runtime result
- CLOSED
- 8
updated Jul 07, 2019
registerTimeout can wait too little because it uses Doubles for times

#13504 · opened Mar 31, 2017 by Niklas Hambüchen 8.4.1 5 Pnormal RTS Trac import bug incorrect runtime result
- CLOSED
- 3
updated Jul 07, 2019

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