Issues · Glasgow Haskell Compiler / GHC · GitLab

Memory usage exploding for complex pattern matching

#14987 · opened Mar 30, 2018 by vmiraldo 5 Pnormal Trac import bug compiler crash compiler perf
- 18
updated May 02, 2020
GHC flags missing from the user guide flag reference.

#14985 · opened Mar 29, 2018 by Merijn Verstraaten 5 Pnormal Trac import bug documentation
- 0
updated Feb 07, 2021
Have custom type errors imply Void

#14983 · opened Mar 29, 2018 by Icelandjack 0 Plow QuantifiedConstraints Trac import custom type errors task
- 3
updated Oct 30, 2020
LLVM default -mcpu setting inhibits customization

#14982 · opened Mar 28, 2018 by Thomas Main DuBuisson 8.4.2 5 LLVM backend Pnormal Trac import bug
- 3
updated Jul 07, 2019
GHC parallel GC is not doing well on modern many-core machine

#14981 · opened Mar 27, 2018 by varosi 5 Pnormal RTS Trac import bug
- 10
updated Jul 07, 2019
Runtime performance regression with binary operations on vectors

#14980 · opened Mar 27, 2018 by ttylec 9.2.1 7 Phigh Trac import bug runtime perf
- 34
updated Jan 23, 2021
Issue warning is -main-is is used in OPTIONS pragma

#14979 · opened Mar 26, 2018 by Ben Gamari 5 Pnormal Trac import feature request
- 0
updated Jul 07, 2019
WebAssembly support

#14976 · opened Mar 26, 2018 by sven 3 Plow Trac import feature request
- 1
- 4
updated Jul 07, 2019
2-fold memory usage regression GHC 8.2.2 -> GHC 8.4.1 compiling `mmark` package

#14974 · opened Mar 26, 2018 by Herbert Valerio Riedel 9.2.1 7 Phigh Trac import bug compiler perf
- 12
updated Mar 02, 2021
Use appropriatly sized comparison instruction for small values.

#14971 · opened Mar 25, 2018 by Andreas Klebinger 5 Pnormal Trac import code generation task
- 3
updated Jul 07, 2019
QuantifiedConstraints: Can't be RHS of type family instances

#14968 · opened Mar 24, 2018 by josef 5 Pnormal Trac import bug typechecker
- 1
- 11
updated Jul 07, 2019
Symbols in -ddump-asm output don't match real output

#14966 · opened Mar 23, 2018 by Cheng Shao 5 NCG backend Pnormal Trac import bug
- 0
updated Jul 07, 2019
performance regressions from 8.0.2 to 8.4.1

#14964 · opened Mar 23, 2018 by elaforge 5 Pnormal Trac import task
- 9
updated Jul 07, 2019
ghci -fdefer-type-errors can't run IO action from another module

#14963 · opened Mar 23, 2018 by elaforge 8.4.2 7 GHCi Phigh Trac import bug
- 37
updated Aug 10, 2020
Invalid law for MonadPlus: v >> mzero = mzero

#14960 · opened Mar 21, 2018 by lyxia 5 Pnormal Trac import bug core libraries documentation
- 0
updated Jul 07, 2019
QuantifiedConstraints: Doesn't apply implication for existential?

#14958 · opened Mar 21, 2018 by Icelandjack 5 Pnormal QuantifiedConstraints Trac import bug
- 5
updated Jul 07, 2019
Build failure in brew

#14957 · opened Mar 21, 2018 by cafeface 5 Pnormal Trac import bug
- 1
updated Jul 07, 2019
NUMA not detected on Aarch64 NUMA machine

#14956 · opened Mar 21, 2018 by varosi 5 Pnormal RTS Trac import bug
- 13
updated Jul 07, 2019
Warning messages use white text which is unreadable on white background terminals

#14952 · opened Mar 20, 2018 by Koterpillar 5 Pnormal Trac import bug
- 1
updated Jul 07, 2019
SpecConstr needs two runs when one should suffice

#14951 · opened Mar 20, 2018 by Joachim Breitner 5 Pnormal SpecConstr Trac import task
- 18
updated Jul 07, 2019

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