Issues · Glasgow Haskell Compiler / GHC

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ghc -M should emit dependencies on CPP headers

#3588 · opened Oct 15, 2009 by Simon Marlow 8.0.1 3 Plow Trac import bug
- 5
updated Jul 07, 2019
When running two or more instances of GHCi, persistent history is only kept for the first one

#3601 · opened Oct 20, 2009 by arnar 5 GHCi Pnormal Trac import bug feature request
- 1
updated Jul 07, 2019
The Ord instance for unboxed arrays is very inefficient

#3606 · opened Oct 22, 2009 by blarsen 8.0.1 0 Plow Trac import bug core libraries
- 10
updated Jul 07, 2019
GHCi doesn't allow the use of imported data contructors

#3615 · opened Oct 27, 2009 by Ghost User 5 GHCi Pnormal Trac import bug
- 6
updated Jul 07, 2019
allow to set ghc search path globally (a'la CPATH)

#3619 · opened Oct 28, 2009 by avatar@hot.ee 8.0.1 3 Plow Trac import feature request
- 5
updated Jul 07, 2019
exceptions reported to stderr when they propagate past forkIO

#3628 · opened Oct 30, 2009 by duncan 5 Pnormal Trac import bug core libraries
- 6
updated Jul 07, 2019
lift restrictions on records with existential fields, especially in the presence of class constraints

#3632 · opened Nov 02, 2009 by eflister 8.0.1 3 Plow Trac import feature request records
- 9
updated Oct 05, 2020
Layout and pragmas

#3645 · opened Nov 07, 2009 by Ian Lynagh <igloo@earth.li> 8.0.1 3 Plow Trac import bug parser
- 19
updated Jul 07, 2019
realToFrac doesn't sanely convert between floating types

#3676 · opened Nov 19, 2009 by draconx 5 Pnormal Trac import broken test bug core libraries report impact
- 24
updated Jul 07, 2019
allow existential wrapper newtypes

#3701 · opened Nov 28, 2009 by duncan 8.0.1 3 Plow Trac import feature request
- 9
updated Oct 11, 2019
Bad error reporting when calling a function in a module which depends on a DLL on Windows

#3711 · opened Dec 02, 2009 by iampure@gmail.com 8.0.1 0 GHCi Plow Trac import Windows bug
- 10
updated Jul 07, 2019
Track -dynamic/-fPIC to avoid obscure linker errors

#3713 · opened Dec 02, 2009 by Simon Marlow 8.0.1 3 Plow Trac import task
- 8
updated Jul 07, 2019
Comparisons against minBound/maxBound not optimised for (Int|Word)(8|16|32)

#3744 · opened Dec 11, 2009 by rl@cse.unsw.edu.au 8.0.1 3 Plow Trac import bug feature request runtime perf
- 14
updated Jul 07, 2019
Make ghci's -l option consistent with GNU ld's -l option

#3753 · opened Dec 15, 2009 by Howard B. Golden 8.0.1 3 GHCi Plow Trac import feature request
- 7
updated Jul 07, 2019
Improve join point inlining

#3755 · opened Dec 15, 2009 by Simon Peyton Jones 8.0.1 3 Plow Trac import runtime perf task
- 7
updated Jul 07, 2019
Rules should "look through" case binders too

#3765 · opened Dec 16, 2009 by Simon Peyton Jones ⊥ 5 Pnormal Trac import bug
- 1
updated Jul 07, 2019
Parsing of lambdas is not consistent with Haskell'98 report.

#3766 · opened Dec 16, 2009 by lilac 8.0.1 3 Plow Trac import bug parser
- 8
updated Jul 07, 2019
SpecConstr for join points

#3767 · opened Dec 16, 2009 by Simon Peyton Jones 8.0.1 3 Plow Trac import bug
- 8
updated Jul 07, 2019
Add manpages for programs installed alongside ghc

#3769 · opened Dec 16, 2009 by Minimiscience 5 Pnormal Trac import documentation feature request
- 3
updated Jul 07, 2019
Improve inlining for local functions

#3781 · opened Dec 23, 2009 by Simon Peyton Jones 8.0.1 0 Plow Trac import bug runtime perf
- 9
updated Jul 07, 2019
Data Parallel "Impossible happened" compiler error

#3782 · opened Dec 23, 2009 by guest ⊥ 3 Data Parallel Haskell Plow Trac import bug
- 17
updated Jul 07, 2019
showing function arguments when stopped at its definition

#3786 · opened Dec 25, 2009 by phercek 3 GHCi Plow Trac import debugger feature request
- 5
updated Aug 30, 2020
SpecConstr should exploit cases where there is exactly one call pattern

#3831 · opened Jan 20, 2010 by Ian Lynagh <igloo@earth.li> 8.0.1 5 Pnormal Trac import bug compiler perf
- 12
updated Jul 07, 2019
RTS GC Statistics from -S should be logged via the eventlog system

#3869 · opened Feb 08, 2010 by cjs 8.0.1 3 Plow RTS Trac import eventlog feature request
- 7
updated Jul 07, 2019
Avoid Haddock-links to the Prelude

#3870 · opened Feb 08, 2010 by waern 8.0.1 0 Plow Trac import bug documentation
- 25
updated Jul 11, 2019
New way to make the simplifier diverge

#3872 · opened Feb 10, 2010 by Simon Peyton Jones ⊥ 5 Pnormal Russell paradox Trac import bug
- 3
updated Feb 02, 2021
section parse errors, e.g. ( let x=1 in x + )

#3881 · opened Feb 14, 2010 by Ian Lynagh <igloo@earth.li> 8.0.1 3 Plow Trac import bug parser
- 4
updated Jul 07, 2019
"Fix" pervasive-but-unnecessary signedness in GHC.Prim

#3895 · opened Feb 22, 2010 by pumpkin 8.0.1 3 Plow Trac import bug
- 5
updated Jul 07, 2019
DPH bad sliceP causes RTS panic "allocGroup: requested zero blocks"

#3903 · opened Mar 01, 2010 by benl ⊥ 3 Data Parallel Haskell Plow Trac import bug compiler crash
- 9
updated Jul 07, 2019
Or-patterns as GHC extension

#3919 · opened Mar 14, 2010 by BjornEdstrom 5 Pnormal Trac import feature request
- 1
- 21
updated Mar 13, 2020
ghc panic when attempting to compile DPH code

#3960 · opened Apr 05, 2010 by jwlato ⊥ 0 Data Parallel Haskell Plow Trac import bug compiler crash
- 11
updated Jul 07, 2019
System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag

#3980 · opened Apr 11, 2010 by Tomáš Janoušek 8.0.1 3 Plow Trac import core libraries external-unix feature request
- 5
updated Jul 07, 2019
Handle multiline input in GHCi history

#3984 · opened Apr 13, 2010 by aavogt 8.0.1 5 Pnormal Trac import bug
- 17
updated Jul 07, 2019
Comment delimiters ignored inside compiler pragma

#3995 · opened Apr 19, 2010 by red5_2@hotmail.com 5 Pnormal Trac import bug parser
- 3
updated Jul 07, 2019
strace breaks System.Process(?)

#3998 · opened Apr 21, 2010 by greenrd 5 Pnormal Trac import bug core libraries incorrect runtime result
- 4
updated Jul 07, 2019
Bad behaviour in the generational GC with paraffins -O2

#4005 · opened Apr 23, 2010 by hwloidl 5 Pnormal RTS Trac import bug runtime perf
- 15
updated Jul 07, 2019
Compilation results are not deterministic

#4012 · opened Apr 24, 2010 by kili 9.2.1 7 Phigh Trac import bug determinism
- 1
- 150
updated Jan 23, 2021
Strange display behaviour in GHCi

#4016 · opened Apr 26, 2010 by Simon Peyton Jones 8.0.1 3 Plow Trac import bug feature request
- 6
updated Jul 07, 2019
Please consider adding support for local type synonyms

#4020 · opened Apr 27, 2010 by nr@eecs.harvard.edu 8.0.1 3 Plow Trac import feature request typechecker
- 2
- 17
updated Jul 07, 2019
GHC Bindist is Broken on FreeBSD/amd64

#4022 · opened Apr 27, 2010 by pgj 8.0.1 0 Plow Trac import bug ghc build failure integer-gmp
- 41
updated Feb 07, 2020
Parsing of guards, and type signatures

#4043 · opened May 04, 2010 by Ian Lynagh <igloo@earth.li> 5 Pnormal Trac import bug parser
- 1
updated Jul 07, 2019
ghc-pkg should check for existence of extra-libraries

#4048 · opened May 05, 2010 by Simon Marlow 8.0.1 3 Plow Trac import bug package system
- 4
updated Jul 07, 2019
Support for ABI versioning of C libraries

#4049 · opened May 05, 2010 by mpiechotka 8.0.1 3 Plow Trac import bug incorrect runtime result
- 14
updated Jul 07, 2019
Two sided sections

#4052 · opened May 07, 2010 by aavogt 8.0.1 3 Plow Trac import feature request
- 8
updated Jul 07, 2019
Strict constructor fields inspected in loop

#4081 · opened May 19, 2010 by rl@cse.unsw.edu.au 8.0.1 3 Plow Trac import bug runtime perf
- 21
updated Jul 07, 2019
Parse error on curried context of instance declaration

#4091 · opened May 24, 2010 by basvandijk 5 Pnormal Trac import bug feature request
- 3
updated Jul 07, 2019
New primops for indexing: index*OffAddrUsing# etc

#4096 · opened May 25, 2010 by Simon Peyton Jones 8.0.1 3 Plow Trac import feature request
- 8
updated Oct 20, 2020
Primitive constant unfolding

#4101 · opened May 28, 2010 by malosh 8.0.1 3 Plow Trac import bug runtime perf
- 17
updated Jul 07, 2019
ffi005 fails on OS X

#4105 · opened May 29, 2010 by Ian Lynagh <igloo@earth.li> 8.0.1 3 Plow Trac import broken test bug
- 9
updated Jul 07, 2019
Exception: ToDo: hGetBuf - when using custom handle infrastructure

#4144 · opened Jun 21, 2010 by AntoineLatter 8.2.1 7 Phigh Trac import bug core libraries runtime crash
- 23
updated Jul 07, 2019
CPP+QuasiQuotes confuses compilation errors' line numbers

#4150 · opened Jun 23, 2010 by yairchu 8.0.1 5 Pnormal Trac import broken test bug error messages parser
- 14
updated Jul 07, 2019
GHC API messes up signal handlers

#4162 · opened Jun 30, 2010 by Daniel Gorín 8.0.1 3 GHC API Plow Trac import bug
- 12
updated Jul 07, 2019
reject unary minus in infix left hand side function bindings that resolve differently as expressions

#4176 · opened Jul 07, 2010 by C Maeder 8.0.1 3 Plow Trac import bug
- 13
updated Jul 07, 2019
do not consider associativity for unary minus for fixity resolution

#4180 · opened Jul 08, 2010 by C Maeder 8.0.1 3 Plow Trac import bug feature request parser
- 19
updated Aug 07, 2020
LLVM: Stack alignment on OSX

#4211 · opened Jul 23, 2010 by dterei 8.0.1 5 LLVM backend Pnormal Trac import broken test task
- 19
updated Jul 07, 2019
Template Haskell lets you reify supposedly-abstract data types

#4222 · opened Jul 26, 2010 by Simon Peyton Jones 8.0.1 3 Plow Trac import feature request
- 7
updated Jul 07, 2019
Make a proper options parser for the RTS

#4243 · opened Aug 05, 2010 by Ian Lynagh <igloo@earth.li> 8.0.1 5 Pnormal RTS Trac import task
- 19
updated Jan 26, 2021
Relax restrictions on type family instance overlap

#4259 · opened Aug 16, 2010 by lilac 8.0.1 5 Pnormal Trac import feature request injective type families typechecker
- 32
updated Jul 07, 2019
Strictness analyser is to conservative about passing a boxed parameter

#4267 · opened Aug 22, 2010 by tibbe 7.6.2 3 Plow Trac import bug
- 12
updated Mar 29, 2020
Poor -fspec-constr-count=n warning messages

#4288 · opened Sep 04, 2010 by Ian Lynagh <igloo@earth.li> 8.0.1 3 Plow Trac import bug
- 14
updated Jul 07, 2019
The dreaded SkolemOccurs problem

#4296 · opened Sep 07, 2010 by Simon Peyton Jones 8.0.1 3 Plow Trac import broken test bug
- 10
updated Jul 07, 2019
Optimisations give bad core for foldl' (flip seq) ()

#4301 · opened Sep 10, 2010 by daniel.is.fischer 8.0.1 3 Plow Trac import bug runtime perf
- 8
updated Jul 07, 2019
LLVM compiles Updates.cmm badly

#4308 · opened Sep 14, 2010 by dterei 8.0.1 3 LLVM backend Plow Trac import bug runtime perf
- 16
updated Jul 07, 2019
Interactive "do" notation in GHCi

#4316 · opened Sep 15, 2010 by mitar 8.0.1 3 GHCi Plow Trac import feature request
- 43
updated Jul 07, 2019
GHC.Conc modifyTVar primitive

#4329 · opened Sep 21, 2010 by dmbarbour 8.0.1 3 Plow STM Trac import concurrency core libraries feature request
- 6
updated Jul 07, 2019
Accept expressions in left-hand side of quasiquotations

#4372 · opened Oct 06, 2010 by Simon Peyton Jones 8.0.1 5 Pnormal TemplateHaskell Trac import bug
- 22
updated Jul 07, 2019
Remove in-tree gmp

#4374 · opened Oct 06, 2010 by Ian Lynagh <igloo@earth.li> 8.0.1 5 Pnormal Trac import integer-gmp task
- 12
updated Feb 07, 2020
(^^) is not correct for Double and Float

#4413 · opened Oct 18, 2010 by daniel.is.fischer 8.0.1 3 Plow Trac import bug core libraries incorrect runtime result
- 9
updated Jul 07, 2019
Re-linking avoidance is too aggressive

#4451 · opened Oct 29, 2010 by Simon Marlow 8.0.1 5 Pnormal Trac import bug
- 9
updated Jul 07, 2019
Allow specifying .hi files of imports on command line in batch mode

#4453 · opened Oct 29, 2010 by duncan 8.0.1 3 Plow Trac import feature request
- 4
updated Jul 07, 2019
Polymorphic Data.Dynamic

#4459 · opened Oct 31, 2010 by vivian 8.0.1 3 GHC API Plow Trac import feature request linking
- 31
updated Jul 07, 2019
Loop optimization: identical counters

#4470 · opened Nov 04, 2010 by choenerzs 8.0.1 5 Pnormal Trac import feature request
- 14
updated Jul 07, 2019
Segmentation fault on long input (list of pairs)

#4505 · opened Nov 17, 2010 by cathper 8.0.2 5 Pnormal Trac import bug runtime crash
- 46
updated Jul 07, 2019
Loop strength reduction for array indexing

#4823 · opened Dec 07, 2010 by tibbe 8.0.1 3 Plow Trac import feature request
- 6
updated Jul 07, 2019
Windows: Dynamic linking doesn't work out-of-the-box

#4824 · opened Dec 08, 2010 by Orphi 8.0.1 3 Plow RTS Trac import Windows bug linking
- 7
updated Jul 07, 2019
Too many specialisations in SpecConstr

#4831 · opened Dec 10, 2010 by Simon Peyton Jones ⊥ 3 Data Parallel Haskell Plow Trac import bug
- 8
updated Jul 07, 2019
Finding the right loop breaker

#4833 · opened Dec 10, 2010 by Simon Peyton Jones 8.0.1 3 Plow Trac import bug
- 7
updated Jul 07, 2019
literate markdown not handled correctly by unlit

#4836 · opened Dec 12, 2010 by guest 8.0.1 3 Plow Trac import bug
- 18
updated Jul 07, 2019
Deprecate exports

#4879 · opened Jan 05, 2011 by basvandijk 8.6.1 5 Pnormal Trac import error messages feature request
- 31
updated Jul 07, 2019
Missing improvement for fun. deps.

#4894 · opened Jan 17, 2011 by Iavor S. Diatchki 5 Pnormal Trac import bug feature request typechecker
- 11
updated Jul 07, 2019
Non-standard compile plus Template Haskell produces spurious "unknown symbol" linker error

#4899 · opened Jan 18, 2011 by jepst 8.0.1 3 Plow TemplateHaskell Trac import bug linking
- 9
updated Jul 07, 2019
Consider usage files in the GHCi recompilation check

#4900 · opened Jan 18, 2011 by cdsmith@twu.net 8.0.1 5 Pnormal Trac import feature request
- 82
updated Jul 07, 2019
Make event tracing conditional on an RTS flag only

#4913 · opened Jan 21, 2011 by tibbe 8.0.1 3 Plow RTS Trac import feature request
- 6
updated Jul 07, 2019
Remove indirections caused by sum types, such as Maybe

#4937 · opened Jan 31, 2011 by tibbe 8.0.1 5 Pnormal Trac import feature request
- 20
updated Jul 07, 2019
SpecConstr generates functions that do not use their arguments

#4941 · opened Feb 01, 2011 by Simon Peyton Jones ⊥ 5 Pnormal Trac import task
- 21
updated Jul 07, 2019
GHC.ConsoleHandler does not call back application when Close button is pressed

#4942 · opened Feb 02, 2011 by Amatic 8.0.1 3 GHC API I/O manager Plow Trac import Windows bug incorrect runtime result
- 11
updated Jul 07, 2019
Another SpecConstr infelicity

#4945 · opened Feb 03, 2011 by batterseapower 8.0.1 5 Pnormal Trac import bug runtime perf
- 14
updated Jul 07, 2019
increase error message detail for module lookups failure due to hi references

#4955 · opened Feb 11, 2011 by duncan 8.0.1 3 Plow Trac import bug
- 6
updated Jul 07, 2019
Warning about variables with leading underscore that are used anyway

#4959 · opened Feb 14, 2011 by Lemming 8.0.1 3 Plow Trac import error messages feature request parser
- 8
updated Jul 07, 2019
Better inlining test in CoreUnfold

#4960 · opened Feb 15, 2011 by Simon Peyton Jones 8.0.1 3 Plow Trac import bug
- 12
updated Jul 07, 2019
Warning about module abbreviation clashes

#4980 · opened Feb 24, 2011 by Lemming 8.0.1 3 Plow Trac import feature request
- 8
updated Jul 07, 2019
Incorrect Read deriving for MagicHash constructors

#5041 · opened Mar 23, 2011 by dolio 3 Plow Trac import bug deriving
- 10
updated Jul 07, 2019
Typechecker behaviour change

#5051 · opened Mar 26, 2011 by Ian Lynagh <igloo@earth.li> ⊥ 5 Pnormal Trac import bug typechecker
- 7
updated Jul 07, 2019
Pragma to SPECIALISE on value arguments

#5059 · opened Mar 29, 2011 by batterseapower 8.0.1 3 Plow Trac import feature request static argument transformation
- 1
- 18
updated Jul 07, 2019
GHCi crashes on large alloca/allocaBytes requests

#5071 · opened Mar 31, 2011 by guest 5 Pnormal Trac import bug report impact
- 10
updated Jul 07, 2019
Add blockST for nested ST scopes

#5073 · opened Apr 01, 2011 by Simon Peyton Jones 8.0.1 3 Plow Trac import bug
- 10
updated Jul 07, 2019
CPR optimisation for sum types if only one constructor is used

#5075 · opened Apr 01, 2011 by batterseapower 8.0.1 5 CPR analysis Pnormal Trac import feature request
- 1
- 34
updated Jan 26, 2021
Allow unicode sub/superscript symbols in operators

#5108 · opened Apr 12, 2011 by mikhail.vorozhtsov 8.0.1 5 Pnormal Trac import Unicode feature request parser
- 17
updated Jul 07, 2019
Fix LLVM backend for PowerPC

#5140 · opened Apr 19, 2011 by erikd 8.0.1 3 Plow Trac import task
- 8
updated Jul 07, 2019
stub header files don't work with the MS C compiler

#5142 · opened Apr 20, 2011 by Simon Marlow 8.0.1 3 Plow Trac import Windows bug
- 8
updated Jul 07, 2019