{11} Active Tickets (2525 matches)

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Ticket Summary Component Version Milestone Type Owner Status Created
#618 Dependency caching in ghc --make Compiler None task new May 5, 2001
#634 Implement a more efficient TArray Runtime System 6.4.1 task new Dec 15, 2005
#701 Better CSE optimisation Compiler 6.4.1 task michalt new Feb 20, 2006
#855 Improvements to SpecConstr Compiler 6.4.2 task new Aug 9, 2006
#932 Improve inlining Compiler 6.4.2 task simonpj new Oct 11, 2006
#1371 Add -O3 Compiler 6.6.1 task new May 22, 2007
#3511 port GHC to OpenBSD/sparc64 (unregisterised is fine) Compiler (NCG) 6.11 task new Sep 14, 2009
#4941 SpecConstr generates functions that do not use their arguments Compiler 7.0.1 task new Feb 1, 2011
#5793 make nofib awesome NoFib benchmark suite task michalt new Jan 18, 2012
#9588 Add `MonadPlus (Either e)` and `Alternative (Either e)` instances Core Libraries task hvr new Sep 13, 2014
#12486 Investigate removing libGCC symbols from RtsSymbols.c Runtime System (Linker) 8.0.1 task new Aug 12, 2016
#345 GADT - fundep interaction Compiler (Type checker) 6.4 bug simonpj new Apr 8, 2005
#589 Various poor type error messages Compiler (Type checker) 6.4.1 bug new Dec 7, 2005
#1171 GHC doesn't respect the imprecise exceptions semantics Compiler 6.6 bug new Feb 24, 2007
#1928 Confusing type error message Compiler (Type checker) 6.8.1 bug new Nov 25, 2007
#2356 GHC accepts multiple instances for the same type in different modules Compiler 6.8.3 bug new Jun 10, 2008
#2625 Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields Compiler 6.8.3 bug new Sep 24, 2008
#2926 Foreign exported function returns wrong type Compiler (FFI) 6.10.1 bug new Jan 8, 2009
#3782 Data Parallel "Impossible happened" compiler error Data Parallel Haskell 6.12.1 bug benl new Dec 23, 2009
#3903 DPH bad sliceP causes RTS panic "allocGroup: requested zero blocks" Data Parallel Haskell 6.13 bug benl new Mar 1, 2010
#4831 Too many specialisations in SpecConstr Data Parallel Haskell 7.0.1 bug rl new Dec 10, 2010
#4861 Documentation for base does not include special items Core Libraries 7.0.1 bug upstream Dec 24, 2010
#5041 Incorrect Read deriving for MagicHash constructors Compiler 7.0.2 bug new Mar 23, 2011
#5646 Initialise tuples using pragmas Data Parallel Haskell 7.3 bug chak new Nov 18, 2011
#5957 signatures are too permissive Compiler (Type checker) 7.4.1 bug new Mar 22, 2012
#6034 Parse error when using ' with promoted kinds Compiler (Parser) 7.5 bug new Apr 23, 2012
#7831 Bad fragmentation when allocating many large objects Runtime System 7.7 bug ezyang new Apr 13, 2013
#10184 Coercible solver incomplete with recursive newtypes Compiler 7.11 bug new Mar 23, 2015
#10185 Coercible solver incomplete with non-variable transitivity Compiler 7.11 bug new Mar 23, 2015
#307 Implicit Parameters and monomorphism None None feature request new Feb 16, 2005
#989 Build GHC on Windows using Microsoft toolchain Compiler feature request new Nov 6, 2006
#1192 GHC-only IOErrorType constructors, and is*Error(Type) functions Compiler 6.6 feature request new Mar 4, 2007
#1231 deprecation warnings are reported too often Compiler 6.6 feature request simonpj new Mar 16, 2007
#1311 newtypes of unboxed types disallowed - documentation bug and/or feature request Compiler 7.7 feature request osa1 new Apr 29, 2007
#1628 warning(s) for using stolen syntax that's not currently enabled Compiler 6.6.1 feature request new Aug 22, 2007
#1768 More flexible type signatures for data constructors Compiler 6.6.1 feature request new Oct 10, 2007
#2465 Fusion of recursive functions Compiler 6.8.2 feature request new Jul 24, 2008
#2708 Error message should suggest UnboxedTuples language extension Compiler (Parser) 6.9 feature request new Oct 18, 2008
#2896 Warning suggestion: argument not necessarily a binary operator Compiler 6.10.1 feature request new Dec 24, 2008
#5344 CSE should look through coercions Compiler 7.0.3 feature request new Jul 25, 2011
#7977 Optimization: Shift dropped list heads by coeffecient to prevent thunk generation Compiler 7.4.2 feature request new Jun 11, 2013
#8313 Poor performance of higher-order functions with unboxing Test Suite 7.6.3 task new Sep 17, 2013
#552 GHCi :m doesn't restore default decl GHCi 5.0 bug new Jun 8, 2001
#367 Infinite loops can hang Concurrent Haskell Compiler 6.4.1 bug ezyang new Apr 26, 2005
#418 throwTo to a thread inside 'block' Runtime System 6.4.1 bug new Jul 10, 2005
#917 -O introduces space leak Compiler 6.5 bug new Sep 28, 2006
#926 infinite loop in ShutdownIOManager() Runtime System 6.5 bug new Oct 7, 2006
#1158 Problem with GADTs and explicit type signatures Compiler (Type checker) 6.6 bug simonpj new Feb 20, 2007
#1612 GHC_PACKAGE_PATH and $topdir bug Package system 6.6.1 bug new Aug 12, 2007
#3960 ghc panic when attempting to compile DPH code Data Parallel Haskell 6.12.1 bug rl new Apr 5, 2010
#5340 wrong warning on incomplete case analysis in conjunction with empty data declarations Compiler (Type checker) 6.12.3 bug new Jul 22, 2011
#8964 split_marker_entry assert breaks -split-objs and -ddump-opt-cmm Compiler 7.9 bug new Apr 7, 2014
#11005 GHC's build system can't deal with ghc install path with multiple spaces in it Build System 7.11 bug new Oct 22, 2015
#12161 Panic when literal is coerced into function Compiler 8.0.1 bug new Jun 7, 2016
#13678 Overhaul the linker Compiler (Linking) 8.3 bug new May 10, 2017
#860 CPP fails when a macro is used on a line containing a single quote character Compiler 6.4.2 feature request new Aug 10, 2006
#10336 Support qualified self {-# SOURCE #-} import Compiler 7.11 feature request new Apr 21, 2015
#11378 Use the compiler that built ghc for dynamic code loading, for cross-compiling Template Haskell 7.11 feature request new Jan 8, 2016
#11706 Increase precedence of lexps (if-then-else, case-of, do, lambda and let-in) Compiler (Parser) feature request infoneeded Mar 14, 2016
#9496 Simplify primitives for short cut fusion Core Libraries 7.8.3 task dfeuer new Aug 21, 2014
#9505 Bounded instance for Word (and possibly others) uses explicitly unboxed literals Core Libraries 7.8.2 task new Aug 23, 2014
#14251 LLVM Code Gen messes up registers Compiler (LLVM) 8.3 bug new Sep 19, 2017
#4144 Exception: ToDo: hGetBuf - when using custom handle infrastructure Core Libraries 7.6.1 bug new Jun 21, 2010
#4505 Segmentation fault on long input (list of pairs) Compiler 7.0.1 bug new Nov 17, 2010
#7298 GHCi is setting stdin/stdout to NoBuffering in runghc when DYNAMIC_GHC_PROGRAMS=YES GHCi 7.6.1 bug new Oct 5, 2012
#7602 Threaded RTS performing badly on recent OS X (10.8?) Runtime System bug thoughtpolice new Jan 17, 2013
#10818 GHC 7.10.2 takes much longer to compile some packages Compiler 7.10.2 bug dfeuer new Aug 31, 2015
#11106 Turning on optimizer changes behavior in 7.10.3 Compiler 7.10.2 bug new Nov 17, 2015
#11188 Confusing "parse error in pattern" for spurious indentation. Compiler (Parser) 7.10.1 bug new Dec 9, 2015
#11476 gcc leaves undeleted temporary files when invoked with a response file Compiler 7.10.3 bug new Jan 21, 2016
#12079 segmentation fault in both ghci and compiled program involves gtk library Compiler 7.10.3 bug doofin new May 18, 2016
#12395 Misleading GHCi errors when package is installed GHCi 8.0.1 bug new Jul 14, 2016
#12430 TypeFamilyDependencies accepts invalid injectivity annotation Compiler (Type checker) 8.0.1 bug new Jul 24, 2016
#12506 Compile time regression in GHC 8. Compiler 8.0.1 bug bgamari new Aug 20, 2016
#12690 Segmentation fault in GHC runtime system under low memory with USE_LARGE_ADDRESS_SPACE Runtime System 8.0.1 bug new Oct 11, 2016
#12734 Missed use of solved dictionaries leads to context stack overflow Compiler 8.0.1 bug new Oct 18, 2016
#12832 GHC infers too simplified contexts Compiler 8.0.1 bug new Nov 12, 2016
#13011 Simplifier ticks exhausted: a 10-line case Compiler 8.0.1 bug new Dec 20, 2016
#13150 unknown warning is not reported by GHC Compiler 8.0.1 bug new Jan 18, 2017
#13185 haskell-relational-query: ghc: panic! (the 'impossible' happened) Compiler 8.0.2 bug new Jan 25, 2017
#14035 Weird performance results. Compiler 8.0.1 bug new Jul 27, 2017
#14062 Pure syntax transformation affects performance. Compiler 8.0.1 bug new Jul 30, 2017
#14338 Simplifier fails with "Simplifier ticks exhausted" Compiler 8.2.1 bug new Oct 10, 2017
#14379 Regression - GHC 2.8.1 Consumes All Memory On Build Compiler 8.2.1 bug new Oct 22, 2017
#14381 Consider making ghc-pkg fill in abi-depends based on depends ghc-pkg 8.2.1 bug new Oct 22, 2017
#10986 GHC should delete all temporary files it creates in /tmp Compiler 7.11 feature request new Oct 19, 2015
#11285 Split objects makes static linking really slow Compiler (Linking) 7.11 feature request new Dec 24, 2015
#11425 The GHC API doesn't provide a good hscTarget option for tooling GHC API 7.10.3 feature request new Jan 14, 2016
#12928 Too easy to trigger CUSK condition using TH Compiler (Type checker) 8.0.1 feature request new Dec 5, 2016
#781 GHCi on x86_64, cannot link to static data in shared libs Runtime System (Linker) 6.5 bug new May 31, 2006
#1216 Missed opportunity for let-no-esape Compiler 6.6 bug simonpj new Mar 12, 2007
#1290 ghc runs preprocessor too much Driver 6.7 bug new Apr 26, 2007
#1466 Stack check for AP_STACK Compiler 6.6.1 bug simonmar new Jun 28, 2007
#1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient Compiler 6.6.1 bug new Jul 18, 2007
#1620 ModBreaks.modBreaks_array not initialised GHCi 7.8.2 bug new Aug 19, 2007
#1851 "make install-strip" should work Build System 8.0.1 bug new Nov 8, 2007
#2189 hSetBuffering stdin NoBuffering doesn't work on Windows Core Libraries 6.8.2 bug new Mar 31, 2008
#2408 threadWaitRead on mingw32 threaded causes internal error Core Libraries 7.6.1 bug new Jun 30, 2008
#2496 Invalid Eq/Ord instances in Data.Version Core Libraries 6.8.3 bug new Aug 7, 2008
#3055 Int / Word / IntN / WordN are unequally optimized Compiler 6.11 bug new Mar 1, 2009
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