{1} Bugs by priority (1371 matches)

Lists all open bugs in order of priority.

Results (401 - 500 of 1371)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#13153 Several Traversable instances have an extra fmap Core Libraries 8.1 normal 8.4.1 dfeuer new Jan 19, 2017
#13154 Standalone-derived anyclass instances aren't as permissive as empty instances Compiler (Type checker) 8.1 normal 8.4.1 RyanGlScott patch Jan 20, 2017
#13165 Speed up the RTS hash table Runtime System 8.1 normal 8.4.1 new Jan 21, 2017
#13225 Fannkuch-redux time regression from join point patch Compiler 8.1 normal 8.4.1 new Feb 2, 2017
#13226 Compiler allocation regressions from top-level string literal patch Compiler 8.1 normal 8.4.1 new Feb 2, 2017
#13243 make test in non-validate configuration fails with a variety of ghci errors GHCi 8.0.1 normal 8.4.1 new Feb 8, 2017
#13331 Worker/wrapper can lead to sharing failure Compiler 8.1 normal 8.4.1 new Feb 24, 2017
#13363 Wildcarn patterns and COMPLETE sets can lead to misleading redundant pattern-match warnings Compiler 8.1 normal 8.4.1 new Mar 2, 2017
#13378 LLVM backend doesn't support MacOS dead code stripping Compiler normal 8.4.1 new Mar 5, 2017
#13390 String literal float-out during desugaring regresses T1969 at -O0 Compiler 8.0.1 normal 8.4.1 new Mar 7, 2017
#13406 IO hack in demand analyzer can miss I/O Compiler 8.1 normal 8.4.1 new Mar 10, 2017
#13422 INLINE CONLIKE sometimes fails to inline Compiler 8.1 normal 8.4.1 new Mar 14, 2017
#13423 Exception to I/O hack in demand analyzer too broad Compiler 8.1 normal 8.4.1 new Mar 14, 2017
#13452 Lock .tix file Code Coverage 8.0.1 normal 8.4.1 new Mar 19, 2017
#13465 Foldable deriving treatment of tuples is too surprising Compiler 8.1 normal 8.4.1 new Mar 21, 2017
#13471 segmentation fault by compiling GHC Build System 8.0.2 normal 8.4.1 infoneeded Mar 23, 2017
#13507 Changes to environment files don't apply in GHCi on :reload GHCi 8.0.1 normal 8.4.1 new Apr 1, 2017
#13513 Incorrect behavior on arm64 with optimisations Compiler 8.0.2 normal 8.4.1 new Apr 2, 2017
#13515 Unexpected failure of T11223_simple_duplicate_lib on 32-bit Windows Compiler 8.1 normal 8.4.1 new Apr 2, 2017
#13606 GHCi segfaults on Windows with D3D code GHCi 8.2.1-rc2 normal 8.4.1 Phyx- patch Apr 23, 2017
#13629 sqrt should use machine instruction on x86_64 Compiler (NCG) 8.0.1 normal 8.4.1 new Apr 28, 2017
#13639 Skylighting package compilation is glacial Compiler 8.0.1 normal 8.4.1 new May 2, 2017
#13647 Tidy up TcTypeable Compiler 8.0.1 normal 8.4.1 new May 5, 2017
#13690 Running profiling tests in the GHCi way is extremely slow Compiler 8.2.1-rc2 normal 8.4.1 new May 12, 2017
#13692 Constructors and such should be able to move around seq# sometimes Compiler 8.2.1-rc2 normal 8.4.1 new May 13, 2017
#13693 RTS cannot be reinitialized reliably after hs_exit() Runtime System 6.10.1 normal 8.4.1 new May 13, 2017
#13717 Pattern synonym exhaustiveness checks don't play well with EmptyCase Compiler 8.2.1-rc1 normal 8.4.1 new May 18, 2017
#13724 Clamping of llvm llc to -O1 and -O2 Compiler (LLVM) 8.3 normal 8.4.1 new May 19, 2017
#13752 Odd pattern synonym type errors Compiler (Type checker) 8.2.1-rc2 normal 8.4.1 merge May 25, 2017
#5291 GhcDynamic build fails on Windows: can't find DLLs Build System 7.0.3 low 8.4.1 new Jul 1, 2011
#5302 Unused arguments in join points Compiler 7.0.3 low 8.4.1 simonpj new Jul 5, 2011
#7723 iOS patch no 12: Itimer.c doesn't work on iOS Runtime System 7.7 low 8.4.1 infoneeded Feb 26, 2013
#9249 Link to "latest" user's guide Documentation 7.8.2 low 8.4.1 new Jun 29, 2014
#9981 Potential typechecker regression in GHC 7.10.1RC Compiler (Type checker) 7.10.1-rc1 low 8.4.1 simonpj new Jan 13, 2015
#10582 Tiny bug in lexer around lexing banana brackets Compiler 7.10.1 low 8.4.1 goldfire new Jun 27, 2015
#10930 missing empty-Enumeration and out-of-range warning for `Natural` Compiler 7.10.2 low 8.4.1 hvr new Oct 3, 2015
#13001 EnumFromThenTo is is not a good producer libraries/base 8.0.1 low 8.4.1 akio new Dec 18, 2016
#13064 Incorrect redudant imports warning Compiler 8.0.1 low 8.4.1 new Jan 4, 2017
#7367 float-out causes extra allocation Compiler 7.6.1 normal Research needed new Oct 25, 2012
#12043 internal error: evacuate: strange closure type Compiler 7.10.3 normal Research needed new May 11, 2016
#13715 test dynamic-paper for way profasm fails with Simplifier ticks exhausted Compiler 8.2.1-rc2 normal Research needed new May 17, 2017
#149 missed CSE opportunity Compiler 5.04.2 normal minor new Jun 12, 2003
#806 hGetBufNonBlocking doesn't work on Windows Core Libraries 6.4.2 normal normal new Jun 27, 2006
#816 Weird fundep behavior (with -fallow-undecidable-instances) Compiler (Type checker) 6.4.2 normal normal new Jul 6, 2006
#947 ghc -O space leak: CSE between different CAFs Compiler 6.5 normal normal new Oct 17, 2006
#1057 Implicit parameters on breakpoints GHCi 6.8.2 normal normal new Dec 18, 2006
#1087 bang patterns with infix ops Compiler (Parser) 6.6 normal normal new Jan 6, 2007
#1147 Quadratic behaviour in the compacting GC Runtime System 6.6 normal normal new Feb 14, 2007
#1168 Optimisation sometimes decreases sharing in IO code Compiler 6.6 normal normal new Feb 23, 2007
#1308 Type signature in warning is wrong Compiler (Type checker) 6.7 normal normal new Apr 27, 2007
#1400 :set +r doesn't work for interpreted modules GHCi 6.7 normal normal simonmar new May 31, 2007
#1526 -fobject-code doesn't apply to expressions typed at the prompt Compiler 6.7 normal normal new Jul 12, 2007
#1530 debugging :steps inside TH spliced code need to be bypassed GHCi 6.7 normal normal new Jul 13, 2007
#1614 Type checker does not use functional dependency to avoid ambiguity Compiler (Type checker) 6.7 normal normal new Aug 14, 2007
#1687 A faster (^)-function. Prelude 6.6.1 normal normal new Sep 12, 2007
#1831 reify never provides the declaration of variables Template Haskell 6.8.1 normal normal new Nov 4, 2007
#2031 relocation overflow Compiler 6.8.2 normal normal new Jan 10, 2008
#2057 inconsistent .hi file error gets ignored Compiler 6.8.2 normal normal new Jan 19, 2008
#2132 Optimise nested comparisons Compiler 6.8.2 normal normal new Feb 28, 2008
#2255 Improve SpecConstr for free variables Compiler 6.8.2 normal normal new May 1, 2008
#2607 Inlining defeats selector thunk optimisation Compiler 6.8.3 normal normal new Sep 18, 2008
#2786 Blackhole loops are not detected and reported in GHCi GHCi 6.8.3 normal normal new Nov 17, 2008
#3048 Heap size suggestion gets ignored when -G1 flag is passed Runtime System 6.10.1 normal minor new Feb 25, 2009
#3081 Double output after Ctrl+C on Windows Runtime System 6.10.1 normal normal new Mar 9, 2009
#3134 encodeFloat . decodeFloat Prelude 6.10.1 normal normal new Mar 31, 2009
#3353 Add CLDouble support Compiler 6.12.1 normal normal new Jul 5, 2009
#3549 unlit does not follow H98 spec Compiler 6.10.4 normal normal patch Sep 28, 2009
#3628 exceptions reported to stderr when they propagate past forkIO Core Libraries 6.10.4 normal normal new Oct 30, 2009
#3676 realToFrac doesn't sanely convert between floating types Core Libraries 6.12.1 normal new Nov 19, 2009
#3765 Rules should "look through" case binders too Compiler 6.12.1 normal new Dec 16, 2009
#3872 New way to make the simplifier diverge Compiler 6.12.1 normal new Feb 10, 2010
#3995 Comment delimiters ignored inside compiler pragma Compiler (Parser) 6.10.4 normal new Apr 19, 2010
#3998 strace breaks System.Process(?) Core Libraries 6.12.1 normal snoyberg new Apr 21, 2010
#4005 Bad behaviour in the generational GC with paraffins -O2 Runtime System 6.12.1 RC1 normal new Apr 23, 2010
#4043 Parsing of guards, and type signatures Compiler (Parser) 6.12.2 normal new May 4, 2010
#5051 Typechecker behaviour change Compiler (Type checker) 7.0.2 normal new Mar 26, 2011
#5071 GHCi crashes on large alloca/allocaBytes requests Compiler 7.0.3 normal new Mar 31, 2011
#5369 Reinstate VECTORISE pragmas with expressions as right-hand sides Data Parallel Haskell 7.0.4 normal chak new Aug 2, 2011
#5400 GHC loops on compiling with optimizations Compiler 7.0.4 normal new Aug 10, 2011
#5448 GHC stuck in infinite loop compiling with optimizations Compiler 7.0.3 normal new Aug 31, 2011
#5466 Documentation for Chan could be better Core Libraries 7.2.1 normal new Sep 7, 2011
#5470 The DPH library needs to support PData and PRepr instances for more than 15-tuples Data Parallel Haskell 7.3 normal chak new Sep 8, 2011
#5702 Can't vectorise pattern matching on numeric literals Data Parallel Haskell 7.3 normal chak new Dec 15, 2011
#5722 GHC inlines class method forever Compiler 7.2.1 normal simonpj new Dec 24, 2011
#5797 readRawBufferPtr cannot be interrupted by exception on Windows with -threaded Core Libraries 7.2.2 normal new Jan 18, 2012
#5807 DPH library functions don't work without -fvectorise. Data Parallel Haskell 7.2.2 normal benl new Jan 23, 2012
#5840 Extend the supported environment sizes of vectorised closures Data Parallel Haskell 7.4.1 normal chak infoneeded Feb 2, 2012
#5974 Casts, rules, and parametricity Compiler 7.4.1 normal new Mar 28, 2012
#6004 dph-lifted-vseg package doesn't provide Data.Array.Parallel.Prelude.Float module Data Parallel Haskell 7.4.1 normal benl new Apr 13, 2012
#6065 Suggested type signature causes a type error (even though it appears correct) Compiler (Type checker) 7.4.1 normal new Apr 30, 2012
#7026 Impredicative implicit parameters Compiler (Type checker) 7.4.2 normal new Jun 23, 2012
#7057 Simplifier infinite loop regression Compiler 7.4.2 normal simonpj new Jul 7, 2012
#7080 Make RULES and SPECIALISE more consistent Compiler 7.4.2 normal new Jul 16, 2012
#7206 Implement cheap build Compiler 7.4.2 normal simonpj new Aug 31, 2012
#7309 The Ix instance for (,) leaks space in range Core Libraries 7.6.1 normal new Oct 8, 2012
#7621 Cross-build for QNX ARM smashes stack when using FunPtr wrappers Compiler (FFI) 7.7 normal infoneeded Jan 24, 2013
#7634 MD5 collision could lead to SafeHaskell violation Core Libraries 7.6.1 normal new Jan 28, 2013
#7897 MakeTypeRep fingerprints be proper, robust fingerprints Compiler 7.6.3 normal new May 8, 2013
#8048 Register spilling produces ineffecient/highly contending code Compiler (CodeGen) 7.6.3 normal new Jul 10, 2013
#8177 Roles for type families Compiler 7.6.3 normal goldfire new Aug 27, 2013
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