Issues · Glasgow Haskell Compiler / GHC

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Improve join point inlining

#3755 · created Dec 15, 2009 by Simon Peyton Jones 8.0.1 3 Plow Ttask Trac import join points runtime perf
- 8
updated Apr 02, 2021
Rules should "look through" case binders too

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

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

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

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

#3781 · created Dec 23, 2009 by Simon Peyton Jones 9.6.1 0 Plow Tbug Trac import join points runtime perf
- 1
- 10
updated May 10, 2022
Data Parallel "Impossible happened" compiler error

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

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

#3831 · created Jan 20, 2010 by Ian Lynagh <igloo@earth.li> 8.0.1 5 Pnormal Tbug Trac import compiler perf
- 12
updated Jul 07, 2019
Avoid Haddock-links to the Prelude

#3870 · created Feb 08, 2010 by waern 8.0.1 0 Plow Tbug Trac import core libraries documentation
- 25
updated May 16, 2022
New way to make the simplifier diverge

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

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

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

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

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

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

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

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

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

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

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

#4012 · created Apr 24, 2010 by kili ⊥ 7 Phigh Tbug Trac import determinism
- 1
- 153
updated Sep 07, 2021
Strange display behaviour in GHCi

#4016 · created Apr 26, 2010 by Simon Peyton Jones 8.0.1 3 GHCi Plow Tbug Tfeature request Trac import
- 6
updated Jul 15, 2021
Please consider adding support for local type synonyms

#4020 · created Apr 27, 2010 by nr@eecs.harvard.edu 8.0.1 3 Plow Tfeature request Trac import typechecker
- 2
- 17
updated Jul 07, 2019
Parsing of guards, and type signatures

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

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

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

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

#4081 · created May 19, 2010 by rl@cse.unsw.edu.au 8.0.1 3 Plow Tbug Trac import runtime perf
- 24
updated Apr 07, 2021
Parse error on curried context of instance declaration

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

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

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

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

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

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

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

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

#4180 · created Jul 08, 2010 by Christian Maeder 8.0.1 3 Plow Tbug Tfeature request Trac import parser
- 19
updated Apr 26, 2021
LLVM: Stack alignment on OSX

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

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

#4243 · created Aug 05, 2010 by Ian Lynagh <igloo@earth.li> 8.0.1 5 Pnormal RTS Ttask Trac import
- 19
updated Jan 25, 2022
Relax restrictions on type family instance overlap

#4259 · created Aug 16, 2010 by lilac 8.0.1 5 Pnormal Tfeature request Trac import injective type families typechecker
- 32
updated Jul 07, 2019
Poor -fspec-constr-count=n warning messages

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

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

#4301 · created Sep 10, 2010 by daniel.is.fischer 8.0.1 3 Plow Tbug Trac import runtime perf
- 9
updated Apr 22, 2021
LLVM compiles Updates.cmm badly

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

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

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

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

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

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

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

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

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

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

#4505 · created Nov 17, 2010 by cathper 8.0.2 5 Pnormal Tbug Trac import runtime crash
- 47
updated Mar 11, 2022
Loop strength reduction for array indexing

#4823 · created Dec 07, 2010 by tibbe 8.0.1 3 Plow Tfeature request Trac import
- 1
- 6
updated Jul 07, 2019
Windows: Dynamic linking doesn't work out-of-the-box

#4824 · created Dec 08, 2010 by Orphi 8.0.1 3 Plow RTS Tbug Trac import Windows linking
- 7
updated Apr 21, 2021
Too many specialisations in SpecConstr

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

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

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

#4879 · created Jan 05, 2011 by basvandijk 8.6.1 5 Pnormal Tfeature request Trac import error messages
- 1
- 32
updated Mar 26, 2022
Missing improvement for fun. deps.

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

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

#4900 · created Jan 18, 2011 by cdsmith@twu.net 8.0.1 5 Pnormal Tfeature request Trac import
- 83
updated Jun 12, 2021
Make event tracing conditional on an RTS flag only

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

#4937 · created Jan 31, 2011 by tibbe 8.0.1 5 Pnormal Tfeature request Trac import
- 1
- 20
updated Jul 07, 2019
SpecConstr generates functions that do not use their arguments

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

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

#4945 · created Feb 03, 2011 by batterseapower 8.0.1 5 Pnormal Tbug Trac import runtime perf
- 15
updated Mar 31, 2021
increase error message detail for module lookups failure due to hi references

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

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

#4960 · created Feb 15, 2011 by Simon Peyton Jones 8.0.1 3 Plow Tbug Trac import
- 12
updated Apr 07, 2021
Warning about module abbreviation clashes

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

#5041 · created Mar 23, 2011 by dolio 3 Plow Tbug Trac import deriving
- 12
updated Sep 29, 2021
Typechecker behaviour change

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

#5059 · created Mar 29, 2011 by batterseapower 8.0.1 3 Plow Tfeature request Trac import static argument transformation
- 1
- 19
updated Nov 18, 2021
Add blockST for nested ST scopes

#5073 · created Apr 01, 2011 by Simon Peyton Jones 8.0.1 3 Plow Tbug Trac import
- 10
updated Jul 07, 2019
Allow unicode sub/superscript symbols in operators

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

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

#5142 · created Apr 20, 2011 by Simon Marlow 8.0.1 3 Plow Tbug Trac import Windows
- 8
updated Jul 07, 2019
Soft heap limit flag

#5143 · created Apr 20, 2011 by Simon Marlow 8.0.1 5 Pnormal RTS Ttask Trac import
- 5
updated Jul 07, 2019
Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement

#5171 · created May 06, 2011 by rtvd 8.0.1 3 Plow Tfeature request Trac import runtime perf
- 5
updated Jul 07, 2019
Runtime error when allocating lots of memory

#5188 · created May 10, 2011 by knyblad 8.0.1 3 GHCi Plow Tbug Trac import
- 19
updated Jul 07, 2019
Support static linker semantics for archives and weak symbols

#5197 · created May 13, 2011 by duncan 8.0.1 3 GHCi Plow RTS Tfeature request Trac import
- 10
updated Nov 11, 2021
need a version of hs_init that returns an error code for command-line errors

#5219 · created May 25, 2011 by Simon Marlow 8.0.1 3 Plow RTS Tfeature request Trac import
- 4
updated Jul 07, 2019
Improve consistency checking for family instances

#5224 · created May 26, 2011 by Simon Peyton Jones 8.0.1 3 Plow Tbug Trac import broken test compiler perf
- 12
updated Apr 29, 2021
Compiling with -O makes some expressions too lazy and causes space leaks

#5262 · created Jun 16, 2011 by michal.palka 8.0.1 3 Plow Tbug Trac import incorrect runtime result
- 11
updated Jul 07, 2019
Licensing requirements and copyright notices

#5266 · created Jun 19, 2011 by houeland 8.0.1 3 Plow Tfeature request Trac import
- 11
updated Jul 07, 2019
Missing type checks for arrow command combinators

#5267 · created Jun 22, 2011 by peteg 8.0.1 3 Arrows Plow Tbug Trac import broken test typechecker
- 22
updated Jul 07, 2019
Less noisy version of -fwarn-name-shadowing

#5288 · created Jun 28, 2011 by batterseapower 8.0.1 3 Plow Tfeature request Trac import
- 14
updated Jul 07, 2019
GhcDynamic build fails on Windows: can't find DLLs

#5291 · created Jul 01, 2011 by batterseapower 8.4.1 3 Plow Tbug Trac import Windows ghc build failure linking
- 8
updated Feb 10, 2020
Unused arguments in join points

#5302 · created Jul 05, 2011 by reinerp 8.4.1 3 Plow Tbug Trac import demand analysis runtime perf
- 23
updated Apr 07, 2021
check_overlap panic (7.1 regression)

#5320 · created Jul 13, 2011 by mikhail.vorozhtsov 8.0.1 5 Pnormal Tbug Trac import compiler crash
- 13
updated Jul 07, 2019
Locally-scoped RULES

#5324 · created Jul 15, 2011 by reinerp 5 Pnormal Tfeature request Trac import
- 3
updated Jul 07, 2019
Polymorphic instances aren't automatically specialised

#5326 · created Jul 15, 2011 by reinerp 8.0.1 3 Plow Tbug Trac import runtime perf specialisation
- 5
updated Jul 07, 2019
CSE should look through coercions

#5344 · created Jul 25, 2011 by reinerp 3 CSE Plow Tfeature request Trac import runtime perf
- 7
updated Jul 07, 2019
Link plugins against existing libHSghc

#5355 · created Jul 29, 2011 by batterseapower 5 Pnormal Tbug Trac import
- 6
updated Jul 07, 2019
Reinstate VECTORISE pragmas with expressions as right-hand sides

#5369 · created Aug 02, 2011 by Simon Peyton Jones ⊥ 5 Pnormal Tbug Trac import
- 8
updated Jul 07, 2019
unreg compiler: warning: conflicting types for built-in function ‘memcpy’

#5378 · created Aug 04, 2011 by Ian Lynagh <igloo@earth.li> 8.0.1 3 Plow Tbug Trac import
- 5
updated Jul 07, 2019