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GHC
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RecordWildCards doesn't work properly in repl
#14549
· opened
Dec 01, 2017
by
akegalj
0
GHCi
P
low
RecordWildCards
Trac import
bug
incorrect runtime result
records
CLOSED
2
updated
Jul 07, 2019
NoFib : fasta benchmark produces unexpected output on slow/fast modes.
#14557
· opened
Dec 05, 2017
by
Andreas Klebinger
5
P
normal
Trac import
bug
documentation
incorrect runtime result
nofib
CLOSED
2
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
P
highest
Trac import
bug
code generation
incorrect runtime result
CLOSED
46
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
P
high
Trac import
bug
incorrect runtime result
CLOSED
9
updated
Jul 07, 2019
More incorrect Template Haskell parenthesization
#14681
· opened
Jan 17, 2018
by
Ryan Scott
5
P
normal
TemplateHaskell
Trac import
bug
incorrect runtime result
CLOSED
2
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
P
high
Trac import
bug
deriving
incorrect runtime result
CLOSED
2
updated
Jul 07, 2019
-O1 changes result at runtime
#14754
· opened
Feb 03, 2018
by
Bodigrim
8.4.1
10
P
highest
Trac import
bug
incorrect runtime result
CLOSED
10
updated
Jul 07, 2019
-O1 changes result at runtime, duplicating __DEFAULT case
#14768
· opened
Feb 06, 2018
by
Bodigrim
8.4.1
10
P
highest
Trac import
bug
incorrect runtime result
CLOSED
9
updated
Jul 07, 2019
getNumCapabilities produces incorrect CPU counts
#14781
· opened
Feb 09, 2018
by
rtfeldman
5
P
normal
RTS
Trac import
bug
core libraries
incorrect runtime result
CLOSED
3
5
updated
Sep 28, 2020
-O -g breaks string literals
#14868
· opened
Feb 28, 2018
by
takano-akio
8.4.2
5
P
normal
Trac import
bug
incorrect runtime result
CLOSED
4
updated
Jul 07, 2019
GHC 8.4.1 regression: derived Read instances with field names containing # no longer parse
#14918
· opened
Mar 14, 2018
by
Ryan Scott
8.4.2
7
P
high
Trac import
bug
deriving
incorrect runtime result
CLOSED
6
updated
Jul 07, 2019
Non-ASCII type names get garbled when their `TypeRep` is shown
#14925
· opened
Mar 15, 2018
by
leftaroundabout
8.4.2
3
P
low
Trac import
Typeable
Unicode
bug
core libraries
incorrect runtime result
CLOSED
3
updated
Jul 07, 2019
Hyperbolic area sine is unstable for (even moderately) big negative arguments.
#14927
· opened
Mar 15, 2018
by
leftaroundabout
5
P
normal
Trac import
bug
core libraries
incorrect runtime result
CLOSED
7
updated
Jul 07, 2019
GHC 8.4.1 bug: -O + separate compilation + three list fields + concatenation; core-lint fails
#14965
· opened
Mar 23, 2018
by
blynn
8.4.2
5
P
normal
Trac import
bug
debug information
incorrect runtime result
CLOSED
9
updated
Jul 07, 2019
Optimizer Casting Caf with nominal type
#14967
· opened
Mar 24, 2018
by
etn
5
P
normal
Trac import
bug
incorrect runtime result
CLOSED
2
updated
Jul 07, 2019
GHC.Err.errorWithoutStackTrace produces stack trace when profiling enabled
#14970
· opened
Mar 24, 2018
by
rotaerk
8.6.1
5
P
normal
Trac import
bug
core libraries
incorrect runtime result
CLOSED
6
updated
Jul 07, 2019
Small number of test case failures on Ubuntu Bionic (GCC 7.3)
#15068
· opened
Apr 20, 2018
by
jrp2014
8.4.3
10
P
highest
Trac import
bug
code generation
incorrect runtime result
CLOSED
37
updated
Jul 07, 2019
T8089 failing with ghci, threaded1, threaded2, profthreaded
#15158
· opened
May 16, 2018
by
Alp Mestanogullari
8.6.1
5
P
normal
Trac import
bug
core libraries
incorrect runtime result
CLOSED
7
updated
Jul 07, 2019
`Language.Haskell.TH.Syntax.reify` returns * rather than Constraint
#15198
· opened
May 30, 2018
by
benzrf
8.4.4
5
ConstraintKinds
P
normal
TemplateHaskell
Trac import
bug
incorrect runtime result
CLOSED
2
updated
Jul 07, 2019
`-fno-state-hack` produces incorrect results in nofib
#15225
· opened
Jun 04, 2018
by
Tobias Dammers
8.6.1
5
P
normal
Trac import
bug
incorrect runtime result
CLOSED
8
updated
Jul 07, 2019
1e1000000000 :: Double yields 0.0 instead of Infinity
#15271
· opened
Jun 14, 2018
by
claude
8.6.3
5
P
normal
Trac import
bug
incorrect runtime result
CLOSED
12
updated
Jul 07, 2019
Regression in Natural desugaring
#15301
· opened
Jun 22, 2018
by
Sylvain Henry
8.6.1
10
P
highest
Trac import
bug
incorrect runtime result
CLOSED
2
updated
Jul 07, 2019
fixST is a bit wrong
#15349
· opened
Jul 06, 2018
by
David Feuer
8.6.1
5
P
normal
Trac import
broken test
bug
core libraries
incorrect runtime result
CLOSED
16
updated
Jul 07, 2019
Literals overflow
#15460
· opened
Jul 31, 2018
by
Sylvain Henry
8.8.1
5
P
normal
Trac import
bug
incorrect runtime result
CLOSED
6
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
P
normal
Trac import
bug
incorrect runtime result
CLOSED
1
updated
Jul 07, 2019
Derived Ord instance for enumerations with more than 8 elements seems to be incorrect
#15696
· opened
Oct 02, 2018
by
mrkkrp
8.6.2
10
P
highest
Trac import
bug
incorrect runtime result
CLOSED
88
updated
Jul 18, 2019
problematic openFile with named pipes
#15715
· opened
Oct 07, 2018
by
adp
8.6.3
5
API annotations
P
normal
Trac import
bug
core libraries
incorrect runtime result
CLOSED
5
updated
Jul 07, 2019
SCC/HPC/CORE annotation can change the meaning of an expression
#15730
· opened
Oct 09, 2018
by
Vladislav Zavialov
7
P
high
Trac import
bug
incorrect runtime result
parser
CLOSED
1
7
updated
Jan 02, 2020
Testsuite failures from validate --slow
#15736
· opened
Oct 10, 2018
by
jrp2014
10
P
highest
Trac import
bug
incorrect runtime result
testsuite
CLOSED
26
updated
May 31, 2020
GhostScript not available for hp2ps tests
#15856
· opened
Nov 03, 2018
by
jrp2014
8.8.1
5
P
normal
Trac import
bug
incorrect runtime result
testsuite
CLOSED
5
updated
Jul 07, 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
P
normal
Trac import
bug
incorrect runtime result
CLOSED
4
8
updated
Jun 14, 2020
Show instance for Data.Fixed does not show parentheses for negatives
#16031
· opened
Dec 11, 2018
by
skeuchel
8.8.1
5
P
normal
Trac import
bug
core libraries
incorrect runtime result
newcomer
CLOSED
4
updated
Jul 07, 2019
seq is not cooperating with :sprint in GHCi as expected
#16089
· opened
Dec 23, 2018
by
radrow
8.8.1
5
GHCi
P
normal
Trac import
bug
incorrect runtime result
CLOSED
15
updated
Jul 07, 2019
Inconsistent behavior of Data.Bits.shiftL with different optimization levels and -fllvm
#16111
· opened
Dec 30, 2018
by
Ryan Scott
8.8.1
5
P
normal
Trac import
bug
incorrect runtime result
CLOSED
17
updated
Aug 29, 2020
ghc-pkg deadlocks on macOS
#16147
· opened
Jan 08, 2019
by
rvl
8.6.4
5
P
normal
RTS
Trac import
bug
incorrect runtime result
CLOSED
7
updated
Jul 15, 2020
Data races in itimer_thread_func reported by ThreadSanitizer
#16150
· opened
Jan 08, 2019
by
gnezdo
8.6.4
5
P
normal
RTS
Trac import
bug
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
P
normal
Trac import
bug
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
P
normal
PowerPC
Trac import
bug
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
P
normal
Trac import
bug
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
P
high
Windows
bug
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
P
highest
bug
incorrect runtime result
specialisation
CLOSED
7
23
updated
Feb 25, 2020
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
Optimizer produces Core with an infinite <<loop>> v2
#17151
· opened
Sep 04, 2019
by
Alexey Kuleshevich
8.10.2
P
high
bug
incorrect runtime result
simplifier
CLOSED
6
updated
Apr 07, 2020
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
P
high
bug
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
P
high
bug
core libraries
incorrect runtime result
CLOSED
1
updated
Oct 31, 2019
Runtime loop when using eqT
#17458
· opened
Nov 09, 2019
by
Max Harms
P
normal
QuantifiedConstraints
Typeable
bug
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
bug
incorrect runtime result
CLOSED
4
updated
Jan 13, 2020
OFD locking breaks on 32-bit glibc
#17950
· opened
Mar 23, 2020
by
Ben Gamari
8.10.2
P
high
bug
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
P
high
bug
core libraries
incorrect runtime result
CLOSED
5
2
updated
Mar 31, 2020
Eta-expansion of a left-section
#18151
· opened
May 06, 2020
by
Richard Eisenberg
9.0.1
P
normal
bug
incorrect runtime result
report impact
typechecker
CLOSED
1
8
updated
Jan 12, 2021
Optimisation removes effectful computation.
#18527
· opened
Aug 03, 2020
by
Tobias Decking
P
high
Windows
bug
code generation
incorrect runtime result
CLOSED
4
13
updated
Aug 16, 2020
Bignum: natural subtraction sometimes wrong
#18604
· opened
Aug 24, 2020
by
Sylvain Henry
P
highest
bug
ghc-bignum
incorrect runtime result
CLOSED
1
updated
Oct 12, 2020
Global ImplicitParams technique doesn't work with optimizations enabled
#18627
· opened
Aug 31, 2020
by
Dmitrii Kovanikov
ImplicitParams
bug
incorrect runtime result
needs triage
CLOSED
5
6
updated
Oct 13, 2020
Segfault on s390x due to missing sign/zero extend
#19023
· opened
Dec 03, 2020
by
Stefan Schulze Frielinghaus
LLVM backend
bug
incorrect runtime result
s390x
CLOSED
8
4
updated
Jan 26, 2021
CPP def name typo: THREADEDED_RTS
#19057
· opened
Dec 13, 2020
by
Csaba Hruska
RTS
bug
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
bug
eventlog
incorrect runtime result
CLOSED
1
0
updated
Mar 05, 2021
arithmetic sequence discrepancy
#19080
· opened
Dec 17, 2020
by
DOUGLAS MCILROY
P
high
bug
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
P
normal
RTS
bug
incorrect runtime result
CLOSED
1
updated
Mar 05, 2021
ghci's :type still ignores ill-kinded type application with -fdefer-type-errors
#19158
· opened
Jan 03, 2021
by
Jakob Brünker
GHCi
P
normal
bug
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
P
highest
bug
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
Typeable
bug
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
P
highest
backport
bug
ghc-bignum
incorrect runtime result
CLOSED
9
updated
Feb 16, 2021
fromIntegral (2^64 :: Integer) == (0 :: Natural)
#19411
· opened
Feb 20, 2021
by
Bodigrim
9.0.2
P
highest
bug
ghc-bignum
incorrect runtime result
CLOSED
11
updated
Mar 04, 2021
Eventlog flushing in non-threaded is broken
#19436
· opened
Feb 25, 2021
by
Matthew Pickering
P
normal
RTS
bug
eventlog
incorrect runtime result
CLOSED
2
0
updated
Mar 01, 2021
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