Issues · Glasgow Haskell Compiler / GHC

New issue

GHCi :m doesn't restore default decl

#552 · opened Jun 08, 2001 by Simon Peyton Jones 0 Plow Trac import broken test bug driver
- 4
updated Jul 07, 2019
Warning Suppression

#602 · opened Jul 01, 2004 by Simon Marlow 8.0.1 0 Plow Trac import error messages task
- 2
- 1
- 27
updated Jun 16, 2020
Implicit Parameters and monomorphism

#307 · opened Feb 16, 2005 by nobody 3 Plow Trac import feature request
- 4
updated Jul 07, 2019
arrow notation: incorrect scope of existential dictionaries

#344 · opened Apr 07, 2005 by nobody 8.0.1 0 Arrows Plow Trac import bug typechecker
- 23
updated Aug 13, 2020
GADT - fundep interaction

#345 · opened Apr 08, 2005 by bring 3 GADTs Plow Trac import broken test bug typechecker
- 16
updated Jul 07, 2019
Infinite loops can hang Concurrent Haskell

#367 · opened Apr 26, 2005 by Simon Peyton Jones 0 Plow Trac import bug
- 40
updated Jul 07, 2019
throwTo to a thread inside 'block'

#418 · opened Jul 10, 2005 by remit 0 Plow RTS Trac import bug
- 11
updated Jul 07, 2019
Various poor type error messages

#589 · opened Dec 07, 2005 by Peter A Jonsson [pj@ludd.ltu.se] 3 Plow Trac import bug error messages typechecker
- 9
updated Jul 07, 2019
CPP fails when a macro is used on a line containing a single quote character

#860 · opened Aug 10, 2006 by ketil@ii.uib.no 0 Plow Trac import cpp feature request
- 8
updated May 11, 2020
-O introduces space leak

#917 · opened Sep 28, 2006 by claus.reinke@talk21.com 0 Plow Trac import bug float-out
- 18
updated Nov 17, 2020
infinite loop in ShutdownIOManager()

#926 · opened Oct 07, 2006 by guest 0 Plow RTS Trac import Windows bug
- 3
updated Jul 07, 2019
Build GHC on Windows using Microsoft toolchain

#989 · opened Nov 06, 2006 by Simon Marlow 3 I/O manager Plow Trac import Windows feature request task
- 18
updated May 27, 2020
ghc panic with mutually recursive modules and template haskell

#1012 · opened Nov 19, 2006 by guest 8.0.1 0 Plow Trac import broken test bug hs-boot
- 32
updated Oct 24, 2019
Avoidance of unaligned loads is overly conservative

#1016 · opened Nov 20, 2006 by Ian Lynagh <igloo@earth.li> 8.0.1 0 Plow Trac import task
- 9
updated Jul 07, 2019
Problem with GADTs and explicit type signatures

#1158 · opened Feb 20, 2007 by guest 0 GADTs Plow Trac import bug typechecker
- 5
updated Jul 07, 2019
GHC doesn't respect the imprecise exceptions semantics

#1171 · opened Feb 24, 2007 by neil 3 Plow Trac import bug
- 18
updated Jul 07, 2019
GHC-only IOErrorType constructors, and is*Error(Type) functions

#1192 · opened Mar 04, 2007 by Ian Lynagh <igloo@earth.li> ⊥ 3 Plow Trac import feature request
- 4
updated Jul 07, 2019
deprecation warnings are reported too often

#1231 · opened Mar 16, 2007 by malcolm wallace 3 Plow Trac import bug feature request
- 6
updated Jul 07, 2019
-fbyte-code is ignored in a OPTIONS_GHC pragma

#1365 · opened May 19, 2007 by mnislaih 0 GHCi Plow Trac import bug feature request
- 17
updated Nov 20, 2020
GHCi debugger tasks

#1377 · opened May 25, 2007 by Simon Marlow 0 GHCi Plow Trac import debugger task
- 23
updated Jun 27, 2020
Allow breakpoints and single-stepping for functions defined interactively

#1379 · opened May 25, 2007 by Michael D. Adams 0 GHCi Plow Trac import bug debugger feature request
- 10
updated Aug 30, 2020
Automatic heap profile intervals

#1420 · opened Jun 08, 2007 by guest 8.0.1 0 Plow Trac import feature request profiling
- 11
updated Dec 07, 2020
unix package: test needed for getLoginName

#1487 · opened Jul 03, 2007 by Simon Marlow 0 Plow Trac import bug core libraries external-unix
- 25
updated Jul 07, 2019
Optimisation: eliminate unnecessary heap check in recursive function

#1498 · opened Jul 06, 2007 by Simon Marlow 8.0.1 3 Plow Trac import task
- 30
updated May 02, 2020
[Debugger] Watch on accesses of "variables"

#1534 · opened Jul 13, 2007 by iampure@gmail.com 8.0.1 0 GHCi Plow Trac import feature request
- 9
updated Jul 07, 2019
Make it easy to find documentation for GHC and installed packages

#1572 · opened Aug 01, 2007 by Simon Peyton Jones 8.0.1 0 Plow Trac import task
- 14
updated Jul 07, 2019
Broken link testing

#1574 · opened Aug 01, 2007 by iampure@gmail.com 8.0.1 0 Plow Trac import bug documentation feature request newcomer
- 16
updated Jul 07, 2019
Optimisation: Nested CPR

#1600 · opened Aug 08, 2007 by Simon Marlow 8.0.1 0 CPR analysis Plow Trac import broken test task
- 1
- 78
updated Feb 18, 2021
GHC_PACKAGE_PATH and $topdir bug

#1612 · opened Aug 12, 2007 by eivuokko ⊥ 0 Plow Trac import bug
- 11
updated Jul 07, 2019
warning(s) for using stolen syntax that's not currently enabled

#1628 · opened Aug 22, 2007 by Isaac Dupree 3 Plow Trac import feature request
- 10
updated Jul 07, 2019
Make the External Package Table contain ModDetails not ModIface

#1631 · opened Aug 23, 2007 by Simon Peyton Jones 8.0.1 0 Plow Trac import task
- 11
updated Jul 07, 2019
Make distclean (still) doesn't

#1693 · opened Sep 14, 2007 by Simon Peyton Jones 8.0.1 0 Plow Trac import bug
- 26
updated Jul 07, 2019
Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression

#1727 · opened Sep 22, 2007 by pat@jantar.org 8.0.1 0 Plow Trac import bug parser
- 10
updated Jul 07, 2019
More flexible type signatures for data constructors

#1768 · opened Oct 10, 2007 by Simon Peyton Jones ⊥ 3 Plow Trac import feature request
- 4
updated Jul 07, 2019
hpc mix files for Main modules overwrite each other

#1853 · opened Nov 08, 2007 by guest 8.0.1 0 HPC Plow Trac import bug
- 18
updated Jul 07, 2019
Improve CPR analysis

#1885 · opened Nov 13, 2007 by Simon Peyton Jones 8.0.1 0 CPR analysis Plow Trac import task
- 16
updated Apr 16, 2020
Add a total order on type constructors

#1894 · opened Nov 14, 2007 by guest 8.0.1 0 Plow Trac import feature request typechecker
- 16
updated Jul 07, 2019
Confusing type error message

#1928 · opened Nov 25, 2007 by josef 3 Plow Trac import bug error messages typechecker
- 5
updated Jul 07, 2019
STM slightly conservative on write-only transactions

#2028 · opened Jan 09, 2008 by JulesBean 8.0.1 0 Plow Trac import bug
- 12
updated Jul 07, 2019
explicitly importing deprecated symbols should elicit the deprecation warning

#2119 · opened Feb 23, 2008 by duncan 8.0.1 0 Plow Trac import error messages feature request
- 12
updated Jan 04, 2020
implement waitForProcess using signals

#2123 · opened Feb 26, 2008 by Simon Marlow 8.0.1 0 Plow Trac import core libraries external-process task
- 12
updated Jul 07, 2019
Warn if functions are exported whose types cannot be written

#2135 · opened Mar 04, 2008 by dons 8.0.1 0 Plow Trac import error messages feature request
- 11
updated Jul 07, 2019
cpuTimePrecision is wrong

#2140 · opened Mar 06, 2008 by guest 8.0.1 0 Plow Trac import bug core libraries
- 12
updated Jul 07, 2019
unhelpful error message for a misplaced DEPRECATED pragma

#2147 · opened Mar 11, 2008 by guest 8.0.1 0 Plow Trac import bug
- 12
updated Jul 07, 2019
-fhpc inteferes/prevents rewrite rules from firing

#2224 · opened Apr 17, 2008 by dons 8.0.1 0 HPC Plow Trac import bug rules
- 13
updated Jul 07, 2019
ghc --cleanup

#2258 · opened May 01, 2008 by claus.reinke@talk21.com 8.0.1 0 Plow Trac import feature request newcomer
- 21
updated Jul 07, 2019
Word type to Double or Float conversions are slower than Int conversions

#2269 · opened May 07, 2008 by dons 8.0.1 0 Plow Trac import feature request newcomer rules runtime perf
- 16
updated Jul 07, 2019
inlining defeats seq

#2273 · opened May 08, 2008 by Ian Lynagh <igloo@earth.li> 8.0.1 0 Plow Trac import bug
- 25
updated Jul 07, 2019
Needless reboxing of values when returning from a tight loop

#2289 · opened May 17, 2008 by dons 8.0.1 0 CPR analysis Plow Trac import bug runtime perf
- 38
updated May 18, 2020
Improve Template Haskell error recovery

#2340 · opened Jun 04, 2008 by Simon Peyton Jones 8.0.1 0 Plow Trac import feature request
- 1
- 10
updated Jul 07, 2019
:browse limitations (browsing virtual namespaces, listing namespaces)

#2345 · opened Jun 04, 2008 by claus.reinke@talk21.com 8.0.1 0 GHCi Plow Trac import feature request
- 9
updated Jul 07, 2019
Compilation of large source files requires a lot of RAM

#2346 · opened Jun 05, 2008 by choener 8.0.1 0 Plow Trac import bug
- 13
updated Jul 07, 2019
GHC accepts multiple instances for the same type in different modules

#2356 · opened Jun 10, 2008 by claus.reinke@talk21.com 3 Plow Trac import bug
- 16
updated Jul 07, 2019
Warn about usage of `OPTIONS_GHC -XLanguageExtension`

#2365 · opened Jun 16, 2008 by Ian Lynagh <igloo@earth.li> 8.0.1 0 Plow Trac import feature request
- 15
updated Jul 07, 2019
num009 fails on OS X 10.5?

#2370 · opened Jun 17, 2008 by batterseapower 8.0.1 0 Plow Trac import broken test bug
- 18
updated Jul 07, 2019
MutableByteArray# is slower than Addr#

#2374 · opened Jun 18, 2008 by dolio 8.0.1 0 NCG backend Plow Trac import bug runtime perf
- 14
updated Jul 07, 2019
Optimizer misses unboxing opportunity

#2387 · opened Jun 19, 2008 by dolio 8.0.1 0 CPR analysis Plow Trac import bug
- 14
updated Jul 07, 2019
aborting an STM transaction should throw an exception

#2401 · opened Jun 28, 2008 by sclv 8.0.1 3 Plow Trac import bug incorrect runtime result
- 17
updated Jul 07, 2019
Missed optimisation with dictionaries and loops

#2439 · opened Jul 11, 2008 by rl@cse.unsw.edu.au 8.0.1 0 Plow Trac import bug
- 23
updated Jul 07, 2019
provide -mwindows option like gcc

#2460 · opened Jul 21, 2008 by jvlask@hotmail.com 8.0.1 0 Plow Trac import Windows feature request newcomer
- 9
updated Jul 07, 2019
Fusion of recursive functions

#2465 · opened Jul 24, 2008 by ryani 3 Plow Trac import bug feature request
- 10
updated Jul 07, 2019
Warning for missing export lists

#2522 · opened Aug 19, 2008 by chevalier@alum.wellesley.edu 8.0.1 0 Plow Trac import feature request
- 13
updated Jul 07, 2019
Add an option to read file names from a file instead of the command line

#2550 · opened Aug 27, 2008 by YitzGale 8.0.1 0 Plow Trac import feature request package system
- 11
updated Jul 07, 2019
Avoid excessive specialisation in SpecConstr

#2598 · opened Sep 16, 2008 by Simon Peyton Jones 8.0.1 0 Plow Trac import feature request
- 17
updated Jul 07, 2019
Enumeration of values for `Sys.Info.os`, `Sys.Info.arch`

#2614 · opened Sep 20, 2008 by jsnx 8.0.1 3 Plow Trac import core libraries feature request
- 14
updated Jul 07, 2019
Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields

#2625 · opened Sep 24, 2008 by alatter 3 Plow Trac import bug
- 4
updated Jul 07, 2019
Treat -X flags consistently in GHCi

#2640 · opened Oct 02, 2008 by Simon Peyton Jones 8.0.1 0 Plow Trac import feature request
- 7
updated Jul 07, 2019
Revise the rules for -XExtendedDefaultRules

#2641 · opened Oct 02, 2008 by Simon Peyton Jones 8.0.1 0 Plow Trac import feature request
- 14
updated Jul 07, 2019
Improve SpecConstr for join points

#2642 · opened Oct 02, 2008 by Simon Peyton Jones 8.0.1 0 Plow Trac import bug
- 7
updated Jul 07, 2019
Report out of date interface files robustly

#2648 · opened Oct 03, 2008 by Simon Peyton Jones 8.0.1 0 Plow Trac import error messages feature request
- 14
updated Jul 07, 2019
Error message should suggest UnboxedTuples language extension

#2708 · opened Oct 18, 2008 by chevalier@alum.wellesley.edu 3 Plow Trac import feature request parser
- 2
updated Jul 07, 2019
Remove Hack in compiler/nativeGen/X86/CodeGen.hs

#2725 · opened Oct 26, 2008 by clemens 3 NCG backend Plow Trac import bug code generation
- 24
updated Jan 23, 2020
Avoid unnecessary evaluation when unpacking constructors

#2731 · opened Oct 30, 2008 by Simon Peyton Jones 8.0.1 0 Plow Trac import bug
- 11
updated Jul 07, 2019
add :tracelocal to ghci debugger to trace only the expressions in a given function

#2737 · opened Nov 03, 2008 by phercek 0 GHCi Plow Trac import debugger feature request
- 11
updated Aug 30, 2020
Document -pgmL (Use cmd as the literate pre-processor)

#2776 · opened Nov 13, 2008 by Syzygies 8.0.1 0 Plow Trac import bug documentation
- 10
updated Jul 07, 2019
bring full top level of a module in scope when a breakpoint is hit in the module

#2803 · opened Nov 23, 2008 by phercek 0 GHCi Plow Trac import debugger feature request
- 10
updated Jul 15, 2020
Make a way to tell GHC that a pragma name should be "recognised"

#2867 · opened Dec 09, 2008 by Ian Lynagh <igloo@earth.li> 8.0.1 0 Plow Trac import bug feature request
- 11
updated Jul 07, 2019
Warning suggestion: argument not necessarily a binary operator

#2896 · opened Dec 24, 2008 by Porges 3 Plow Trac import feature request
- 3
updated Jul 07, 2019
Foreign exported function returns wrong type

#2926 · opened Jan 08, 2009 by iampure@gmail.com 3 FFI Plow Trac import bug
- 3
updated Jul 07, 2019
LDFLAGS ignored by build system

#2933 · opened Jan 09, 2009 by duncan 8.0.1 0 Plow Trac import bug
- 14
updated Jul 07, 2019
add command :mergetrace

#2945 · opened Jan 13, 2009 by phercek 0 GHCi Plow Trac import debugger feature request
- 9
updated Aug 30, 2020
tracing should be controled by a global flag

#2946 · opened Jan 13, 2009 by phercek 0 GHCi Plow Trac import debugger feature request
- 10
updated Aug 30, 2020
Avoid generating C trigraphs

#2968 · opened Jan 20, 2009 by duncan 8.0.1 0 Plow Trac import task
- 11
updated Jul 07, 2019
:info printing instances often isn't wanted

#2986 · opened Jan 28, 2009 by Remi 8.0.1 0 GHCi Plow Trac import feature request
- 28
updated Jul 07, 2019
Improve float-in

#2988 · opened Jan 29, 2009 by Simon Peyton Jones 8.4.1 0 Plow Trac import bug float-in runtime perf task
- 12
updated Jul 07, 2019
divInt# floated into a position which leads to low arity

#3034 · opened Feb 18, 2009 by batterseapower 8.0.1 0 Arity and eta expansion Plow Trac import bug
- 15
updated Feb 26, 2020
ghc FFI doesn't support thiscall

#3052 · opened Feb 27, 2009 by lennart@augustsson.net 8.0.1 3 FFI Plow Trac import Windows bug feature request
- 7
updated Jul 07, 2019
GHC's GC default heap growth strategy is not as good as other runtimes

#3061 · opened Mar 03, 2009 by dons 8.0.1 0 Plow RTS Trac import bug runtime perf
- 12
updated Jul 07, 2019
floor(0/0) should not be defined

#3070 · opened Mar 04, 2009 by carette 8.0.1 0 Plow Trac import bug core libraries
- 26
updated Jul 07, 2019
Avoid reconstructing dictionaries in recursive instance methods

#3073 · opened Mar 05, 2009 by Simon Peyton Jones 8.0.1 0 Plow Trac import bug
- 9
updated Jul 07, 2019
Over-eager GC when blocked on a signal in the non-threaded runtime

#3107 · opened Mar 17, 2009 by awick 8.0.1 0 Plow RTS Trac import bug
- 8
updated Jul 07, 2019
Returning a known constructor: GHC generates terrible code for cmonad

#3138 · opened Apr 02, 2009 by Simon Peyton Jones 8.0.1 0 Plow Trac import bug
- 13
updated Jul 07, 2019
package.conf.d should be under /var, not /usr

#3184 · opened Apr 21, 2009 by Ian Lynagh <igloo@earth.li> 8.0.1 3 Plow Trac import bug
- 9
updated Jul 07, 2019
Add dynCompileCoreExpr :: GhcMonad m => Bool -> Expr CoreBind -> m Dynamic to ghc-api

#3192 · opened Apr 25, 2009 by guest 8.0.1 0 GHC API Plow Trac import feature request
- 6
updated Jul 07, 2019
CInt FFI exports do not use C int in _stub.h header file

#3238 · opened May 16, 2009 by duncan 8.0.1 0 FFI Plow Trac import bug
- 6
updated Jul 07, 2019
split rts headers into public and private

#3251 · opened May 21, 2009 by duncan 8.0.1 0 Plow RTS Trac import feature request
- 7
updated Jul 07, 2019
How to start an emacs editor within ghci asynchronously with :edit filename.hs :set editor emacs & don't go

#3282 · opened Jun 07, 2009 by petersonx 8.0.1 0 GHCi Plow Trac import feature request
- 9
updated Jul 07, 2019
Generated ghc man page missing xrefs

#3351 · opened Jul 05, 2009 by Kari Pahula 8.0.1 0 Plow Trac import bug documentation
- 12
updated Jul 07, 2019
Refactor Template Haskell syntax conversions

#3355 · opened Jul 06, 2009 by Simon Marlow 8.0.1 0 Plow TemplateHaskell Trac import task
- 9
updated Jul 07, 2019
Allow for multiple linker instances

#3372 · opened Jul 14, 2009 by Daniel Gorín 8.0.1 3 Plow Trac import feature request
- 31
updated Jul 05, 2020