Issues · Glasgow Haskell Compiler / GHC

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GHC.Core.Opt.WorkWrap.Utils.mkWWargs should transfer one-shot-ness to wrapper args

#19306 · opened Feb 03, 2021 by Sebastian Graf demand analysis runtime perf task
- 1
updated Feb 16, 2021
Make CPR not lose sharing by returning an unboxed sum

#19309 · opened Feb 03, 2021 by Sebastian Graf CPR analysis task
- 4
updated Feb 10, 2021
`seqBinds` changes attribution of allocations in `-ddump-timings`

#19311 · opened Feb 03, 2021 by Sebastian Graf Arity and eta expansion bug compiler perf
- 6
updated Feb 16, 2021
Unbound record/field names in Template Haskell Quotes

#19312 · opened Feb 03, 2021 by Adam Gundry Pnormal TemplateHaskell bug program incorrectly rejected records
- 4
updated Feb 16, 2021
Rewrite rules on functions on unboxed values are not supported

#19313 · opened Feb 03, 2021 by Richard Eisenberg feature request rules
- 1
- 7
updated Feb 16, 2021
DuplicateRecordFields + PatternSynonyms scope error in GHCi

#19314 · opened Feb 03, 2021 by Adam Gundry GHCi OverloadedRecordFields PatternSynonyms bug
- 0
updated Feb 16, 2021
ghc-9.0.1-windows-extra-src.tar.xz is empty

#19316 · opened Feb 04, 2021 by Simon Jakobi 9.0.1 Phigh bug packaging
- 2
- 2
updated Feb 19, 2021
Hadrian source distributions are incomplete

#19317 · opened Feb 04, 2021 by Ben Gamari Make removal Pnormal bug hadrian
- 0
updated Feb 04, 2021
hadrian: Perf flavour is only -O1 by default

#19318 · opened Feb 04, 2021 by Sebastian Graf Pnormal bug hadrian
- 1
updated Feb 16, 2021
hadrian clean shouldn't delete the mingw tarballs on windows.

#19320 · opened Feb 04, 2021 by Andreas Klebinger hadrian task
- 1
updated Feb 21, 2021
Release tracking ticket for 9.2.1 0 of 87 tasks completed

#19321 · opened Feb 04, 2021 by Ben Gamari 9.2.1 task
- 1
updated Feb 21, 2021
getField fails with internal error in GHCi if the field selector was shadowed

#19322 · opened Feb 04, 2021 by Andrzej Rybczak GHCi OverloadedRecordFields renamer
- 0
updated Feb 16, 2021
Hadrian build failure of 9.0.1 release on Debian 10

#19323 · opened Feb 04, 2021 by kgardas Pnormal bug ghc build failure hadrian
- 2
updated Feb 12, 2021
CPR should not lose sharing of values

#19326 · opened Feb 05, 2021 by Sebastian Graf CPR analysis Pnormal bug runtime perf
- 0
updated Feb 21, 2021
Missing warning for a run-time pattern match failure

#19327 · opened Feb 05, 2021 by Hai / @BestYeen Pnormal error messages feature request pattern match warnings
- 1
- 1
updated Feb 21, 2021
setnumcapabilities001: sendWakeup: invalid argument (Bad file descriptor)

#19328 · opened Feb 05, 2021 by Simon Jakobi I/O manager Pnormal bug runtime crash
- 3
updated Feb 22, 2021
T7087: thread killed

#19329 · opened Feb 05, 2021 by Simon Jakobi CI Windows bug
- 0
updated Feb 16, 2021
Add a GHC flag for making every functions in a module inlinable

#19331 · opened Feb 06, 2021 by Poscat bug inlining needs triage
- 3
updated Feb 16, 2021
remAddr# implementation does not match documentation

#19332 · opened Feb 06, 2021 by Ben Gamari Pnormal bug documentation primops
- 1
- 0
updated Feb 06, 2021
Release tracking ticket for 8.10.4 48 of 81 tasks completed

#19333 · opened Feb 06, 2021 by Ben Gamari 8.10.4
- 0
updated Feb 16, 2021
Haddock complains about out-of-scope pattern synonym builders

#19334 · opened Feb 06, 2021 by Ben Gamari 9.2.1 Pnormal bug haddock
- 3
updated Feb 08, 2021
Some Windows users do not like Chocolatey

#19335 · opened Feb 07, 2021 by f-a Windows bug packaging
- 1
- 1
updated Feb 16, 2021
9.0.1 windows binary distribution doesn't include executables with version suffix

#19338 · opened Feb 08, 2021 by Javier Neira Pnormal bug hadrian
- 1
updated Feb 16, 2021
Hadrian doesn't produce ghcii.sh

#19339 · opened Feb 08, 2021 by Ben Gamari Make removal GHCi Pnormal Windows bug hadrian
- 0
updated Feb 16, 2021
Post-WinIO tasks

#19340 · opened Feb 08, 2021 by Ben Gamari 9.2.1 Windows task winio
- 0
updated Feb 08, 2021
--freeze1 should be the default for hadrian

#19341 · opened Feb 08, 2021 by isovector bug hadrian
- 6
updated Feb 20, 2021
Unclear error from lint-submods

#19342 · opened Feb 09, 2021 by Simon Jakobi CI Pnormal bug infrastructure
- 3
updated Feb 21, 2021
Missing documentation in ghc-9.0.1 Windows bindist tarball

#19343 · opened Feb 09, 2021 by Takenobu Tani Windows documentation task
- 0
updated Feb 16, 2021
Experiment with different encodings for IRs for faster transformations

#19344 · opened Feb 10, 2021 by Sebastian Graf compiler perf task
- 0
updated Feb 16, 2021
Not all GHC flags called dynamic are really dynamic

#19348 · opened Feb 11, 2021 by Roland Senn Pnormal bug documentation
- 1
- 2
updated Feb 21, 2021
lld uses too much parallelism

#19349 · opened Feb 11, 2021 by Ben Gamari CI Pnormal bug
- 1
updated Feb 11, 2021
ghci doesn't respect loaded packages' library-dirs

#19350 · opened Feb 11, 2021 by Ben Gamari Pnormal bug linking
- 2
updated Feb 11, 2021
Allow `case` in LHS of RULE

#19351 · opened Feb 11, 2021 by Sebastian Graf feature request rules
- 5
updated Feb 16, 2021
scope-check hs-boot files correctly

#19352 · opened Feb 11, 2021 by dailectic Pnormal bug error messages hs-boot
- 4
updated Feb 21, 2021
ghc-cabal: /lib/arm-linux-gnueabihf/libc.so.6: version `GLIBC_2.28' not found

#19353 · opened Feb 11, 2021 by laplasz ARM Pnormal bug compiler crash
- 1
updated Feb 21, 2021
Operator sections and rebindable syntax

#19354 · opened Feb 12, 2021 by Simon Peyton Jones Pnormal RebindableSyntax feature request
- 0
updated Feb 21, 2021
The GHCi `:print` command doesn't respect the flag `-f(no-)print-explicit-foralls`.

#19355 · opened Feb 12, 2021 by Roland Senn GHCi bug debugger
- 1
updated Feb 13, 2021
Tests fail with quick build due -fghci-check-leak

#19356 · opened Feb 12, 2021 by Oleg Grenrus Pnormal bug compiler perf
- 4
updated Feb 25, 2021
Improve fragmentation diagnostics 0 of 3 tasks completed

#19357 · opened Feb 12, 2021 by Ben Gamari RTS feature request runtime perf
- 1
- 3
updated Feb 26, 2021
Fix the documentation for Data.Oldlist.{lines,unlines}

#19358 · opened Feb 12, 2021 by Hécate Moonlight bug core libraries documentation
- 1
- 2
updated Feb 12, 2021
Reduce "blocks needed" while using compacting GC

#19359 · opened Feb 12, 2021 by Ben Gamari RTS runtime perf task
- 0
updated Feb 25, 2021
panic refineFromInScope from 3b8235334b7838013c9e955db3e7762a1c7fef43

#19360 · opened Feb 13, 2021 by Alan Zimmerman bug needs triage
- 3
updated Feb 26, 2021
Linear Types confusing error message

#19361 · opened Feb 13, 2021 by Jaro Reinders LinearTypes bug pretty printing
- 6
updated Feb 15, 2021
Consider making CI jobs interruptible

#19362 · opened Feb 13, 2021 by Douglas Wilson CI task
- 1
- 3
updated Feb 22, 2021
oversized source range in type error message

#19364 · opened Feb 13, 2021 by jwaldmann Pnormal bug error messages typechecker
- 1
updated Feb 26, 2021
Data.Foldable documentation does not mention ordering, should allegedly be warier

#19366 · opened Feb 13, 2021 by Janus Troelsen Pnormal bug core libraries documentation newcomer
- 7
updated Feb 21, 2021
Typed Template Haskell suppresses -Wunused-top-binds warnings

#19368 · opened Feb 14, 2021 by Ryan Scott Pnormal bug error messages typed TemplateHaskell
- 3
updated Feb 21, 2021
Data.Complex doesn't consistently distinguish -0.0

#19369 · opened Feb 14, 2021 by JKTKops Pnormal bug core libraries incorrect runtime result numerics
- 2
updated Feb 21, 2021
ghc: panic!: expectJust, called at compiler/main/Packages.hs:433:5 in ghc:Packages

#19370 · opened Feb 14, 2021 by Jens Petersen 8.10.5 bug compiler crash info needed package system
- 4
updated Feb 22, 2021
Warn on prefix/suffix operators

#19371 · opened Feb 14, 2021 by Vladislav Zavialov error messages task
- 1
updated Feb 21, 2021
-Woperator-whitespace ignores (*), (.), and (-)

#19372 · opened Feb 14, 2021 by Vladislav Zavialov bug parser
- 2
updated Feb 20, 2021
Template Haskell doesn't support Haskell 2010 default declarations

#19373 · opened Feb 14, 2021 by Mario TemplateHaskell feature request
- 2
updated Feb 16, 2021
Building GHC on an Ubuntu WSL2 install fails with incorrect complaints about missing files

#19378 · opened Feb 15, 2021 by Jakob Brünker Pnormal Windows bug ghc build failure hadrian
- 2
updated Feb 21, 2021
No subsections_via_symbols on aarch64-darwin

#19379 · opened Feb 15, 2021 by Moritz Angermann ARM Pnormal bug linking macOS
- 0
updated Feb 16, 2021
Define eta-expanded EtaReaderT and EtaStateT types, derive all other monads `via` it

#19380 · opened Feb 15, 2021 by Sebastian Graf Arity and eta expansion Pnormal bug compiler perf
- 5
updated Feb 16, 2021
Provide user more control about how much memory the RTS retains 0 of 3 tasks completed

#19381 · opened Feb 15, 2021 by Matthew Pickering RTS feature request runtime perf
- 0
updated Feb 25, 2021
Interupting doesn't seem to flush eventlog buffers

#19382 · opened Feb 15, 2021 by Matthew Pickering Pnormal RTS bug eventlog
- 0
updated Feb 16, 2021
Provide a `tryToGetQSem`

#19383 · opened Feb 15, 2021 by Gauthier S. concurrency core libraries feature request
- 1
- 7
updated Feb 21, 2021
Pattern mach checking for Rationals seems to be broken.

#19384 · opened Feb 15, 2021 by Andreas Klebinger Pnormal bug pattern match warnings
- 1
updated Feb 21, 2021
Optimising Name comparisons

#19386 · opened Feb 16, 2021 by Sylvain Henry compiler perf
- 1
- 3
updated Feb 20, 2021
Implement the mutable constructor fields proposal

#19387 · opened Feb 16, 2021 by Ben Gamari proposal pending task
- 9
updated Feb 26, 2021
Hadrian exposes non-sensical stage0 targets

#19388 · opened Feb 16, 2021 by Ben Gamari Pnormal bug hadrian
- 0
updated Feb 16, 2021
Make openFile async exception safe on Windows

#19389 · opened Feb 16, 2021 by David Feuer Pnormal Windows bug core libraries exceptions
- 0
updated Feb 21, 2021
Make temp file creation exception safe

#19390 · opened Feb 16, 2021 by David Feuer Pnormal bug core libraries exceptions
- 0
updated Feb 21, 2021
User guide sections are in a strange order

#19391 · opened Feb 17, 2021 by Matthew Pickering Plow bug documentation newcomer
- 1
- 0
updated Feb 21, 2021
Building GHC with debug info results in broken executables on HEAD+Windows.

#19392 · opened Feb 17, 2021 by Andreas Klebinger 9.2.1 Pnormal Windows bug debug information runtime crash
- 4
updated Feb 21, 2021
`:print seq` fails with `Could not load 'ghczmprim_GHCziPrim_seq_closure'

#19394 · opened Feb 17, 2021 by Roland Senn GHCi bug debugger linking
- 2
updated Feb 21, 2021
Surprising lack of generalisation using MonoLocalBinds

#19396 · opened Feb 17, 2021 by Tom Ellis feature request typechecker
- 7
updated Feb 26, 2021
GHC-9.0.1 doesn't find imported main:

#19397 · opened Feb 18, 2021 by Oleg Grenrus 9.0.2 Phighest bug
- 1
- 8
updated Feb 24, 2021
Optimistic field binder CPR is a huge hack

#19398 · opened Feb 18, 2021 by Sebastian Graf CPR analysis task
- 1
- 0
updated Feb 21, 2021
-O flag is not taken into account when calculating how much memory to retain

#19399 · opened Feb 18, 2021 by Matthew Pickering Pnormal RTS bug runtime perf
- 0
updated Feb 21, 2021
Linear types: double update assertion failure

#19400 · opened Feb 18, 2021 by Krzysztof Gogolewski LinearTypes Pnormal bug compiler crash
- 1
updated Feb 27, 2021
Alignment constraints on `Storable`/`alloca`

#19401 · opened Feb 18, 2021 by Andreas Klebinger Pnormal bug core libraries documentation
- 3
updated Feb 21, 2021
Note [Acumulating parameter free variables] could be improved with GHC.Exts.oneShot

#19402 · opened Feb 18, 2021 by Sebastian Graf Arity and eta expansion compiler perf needs triage
- 0
updated Feb 18, 2021
ticky_ghc flavour transformer doesn't enable -ticky-dyn-thunk

#19403 · opened Feb 19, 2021 by Matthew Pickering Pnormal bug hadrian
- 1
- 1
- 2
updated Feb 22, 2021
ticky_ghc flavour transformer enables STG dumps, but the STG is from the profiled way

#19404 · opened Feb 19, 2021 by Matthew Pickering Pnormal bug hadrian
- 4
updated Feb 21, 2021
Making performance test failures less severe

#19406 · opened Feb 19, 2021 by Ben Gamari CI task
- 0
updated Feb 21, 2021
DynFlags is reboxed in $wwarnAboutOverflowedOverLit

#19407 · opened Feb 20, 2021 by Matthew Pickering Pnormal bug compiler perf demand analysis
- 11
updated Feb 22, 2021
Remove `Uniquable Int` instance, use `mkUniqueGrimily` directly instead

#19408 · opened Feb 20, 2021 by Sebastian Graf task
- 2
updated Feb 22, 2021
Hadrian: validate fails in bindisttest install on powerpc64le

#19409 · opened Feb 20, 2021 by Peter Trommler GHCi Pnormal PowerPC bug
- 1
- 2
updated Feb 25, 2021
Cancelling compiles using asynchronous exceptions while TH is being run can cause incorrect compile errors

#19410 · opened Feb 20, 2021 by wz1000 GHC API TemplateHaskell bug
- 1
- 0
updated Feb 21, 2021
fromIntegral (2^64 :: Integer) == (0 :: Natural)

#19411 · opened Feb 20, 2021 by Bodigrim 9.0.2 Phighest bug ghc-bignum incorrect runtime result
- 8
updated Feb 22, 2021
GHC-9.0.1 release notes don't mention proposal 229 (whitespace lexer changes)

#19412 · opened Feb 21, 2021 by Oleg Grenrus Pnormal bug documentation
- 1
- 1
updated Feb 22, 2021
unsafePerformIO/NOINLINE tricks no longer work

#19413 · opened Feb 21, 2021 by Neil Mitchell Phighest bug incorrect runtime result
- 7
updated Feb 23, 2021
T12545 is sensitive to `-dunique-increment` changes

#19414 · opened Feb 22, 2021 by Sebastian Graf Pnormal bug compiler perf testsuite
- 1
- 1
updated Feb 27, 2021
GHC doesn't terminate when solving a weird class instance

#19415 · opened Feb 22, 2021 by Andrzej Rybczak FunctionalDependencies Pnormal bug constraint solver
- 4
updated Feb 22, 2021
GNU make job server-alike for GHC --make

#19416 · opened Feb 22, 2021 by Adam Sandberg Eriksson compiler perf feature request
- 2
- 19
updated Feb 26, 2021
Segfault in GC in GHC 8.10.{3,4}

#19417 · opened Feb 22, 2021 by Adam Sandberg Eriksson Phighest bug compiler crash
- 1
- 21
updated Feb 26, 2021
Support overriding "No instance" errors using the default deriving strategy

#19418 · opened Feb 22, 2021 by infinity0 needs triage
- 0
updated Feb 22, 2021
Optimisation puzzle with list of list folds and mconcat

#19420 · opened Feb 23, 2021 by vdukhovni Pnormal bug core libraries rules runtime perf
- 0
updated Feb 26, 2021
internal error: m32_allocator_init: Failed to map

#19421 · opened Feb 23, 2021 by John Ky Phigh RTS bug
- 5
updated Feb 24, 2021
-Iw should be enabled by default?

#19422 · opened Feb 23, 2021 by Matthew Pickering Pnormal RTS bug needs triage runtime perf
- 3
updated Feb 26, 2021
Mathjax CDN for user guide needs to be updated again

#19423 · opened Feb 23, 2021 by Matthew Pickering bug documentation
- 2
- 1
updated Feb 26, 2021
"Thunk log" from ManyConstructors test

#19426 · opened Feb 23, 2021 by Matthew Pickering compiler perf task
- 2
updated Feb 26, 2021
happy dependency...

#19427 · opened Feb 23, 2021 by djduke needs triage
- 0
updated Feb 23, 2021
Deprecate `-Winaccessible-code`

#19428 · opened Feb 23, 2021 by Sebastian Graf needs triage pattern match warnings typechecker
- 3
updated Feb 25, 2021
ASSERT(sum.productivity_cpu_percent >= 0)

#19429 · opened Feb 23, 2021 by Adam Sandberg Eriksson Pnormal RTS bug runtime crash
- 2
updated Feb 24, 2021
GivenCheck fails in hpc way

#19430 · opened Feb 24, 2021 by Ben Gamari HPC Pnormal bug pattern match warnings testsuite
- 0
updated Feb 24, 2021
GHC 9.0 rejects default signature that 8.10 accepts

#19432 · opened Feb 25, 2021 by Ryan Scott DefaultSignatures bug program incorrectly rejected typechecker
- 12
updated Feb 26, 2021
Note [exprIsCheap] says it decides whether to inline at more than one place

#19433 · opened Feb 25, 2021 by Sebastian Graf Arity and eta expansion needs triage
- 1
updated Feb 25, 2021