{1} Bugs by priority (1030 matches)

Lists all open bugs in order of priority.

Results (501 - 600 of 1030)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#11722 No TypeRep for unboxed tuples Compiler 8.1 normal new Mar 19, 2016
#9509 No automatic specialization of inlinable imports in 7.8 Compiler 7.8.3 normal new Aug 23, 2014
#10746 No non-exhaustive pattern match warning given for empty case analysis Compiler 7.10.2 normal patch Aug 6, 2015
#8871 No-op assignment I64[BaseReg + 784] = I64[BaseReg + 784]; is generated into optimized Cmm Compiler (CodeGen) 7.9 normal new Mar 10, 2014
#2260 Non-ideal error message for misplaced LANGUAGE pragma Compiler (Parser) 6.8.2 lowest trivial new May 3, 2008
#4899 Non-standard compile plus Template Haskell produces spurious "unknown symbol" linker error GHCi 7.0.1 low simonmar new Jan 18, 2011
#10482 Not enough unboxing happens on data-family function argument Compiler 7.10.1 normal new Jun 4, 2015
#10647 Notice about lack of SIMD support. Compiler 7.8.4 normal new Jul 17, 2015
#10808 Odd interaction between record update and type families Compiler (Type checker) 7.10.2 normal new Aug 29, 2015
#8399 Of Bird tacks and non-blank blank lines Compiler 7.6.3 low new Oct 2, 2013
#11695 On GHCi prompt the arrow (movement) keys create strange character sequences GHCi 8.1 normal new Mar 10, 2016
#8198 One-shot mode is buggy w.r.t. hs-boot files Driver 7.7 normal parcs new Aug 30, 2013
#10337 One-shot module loops have hard to understand messages Compiler (Type checker) 7.11 normal new Apr 21, 2015
#10005 Operations on string literals won't be inlined Compiler 7.8.4 normal new Jan 19, 2015
#7596 Opportunity to improve CSE Compiler 7.6.1 normal simonpj new Jan 16, 2013
#1168 Optimisation sometimes decreases sharing in IO code Compiler 6.6 normal normal new Feb 23, 2007
#1498 Optimisation: eliminate unnecessary heap check in recursive function Compiler 6.6.1 low normal new Jul 6, 2007
#4301 Optimisations give bad core for foldl' (flip seq) () Compiler 6.12.3 low new Sep 10, 2010
#2132 Optimise nested comparisons Compiler 6.8.2 normal normal new Feb 28, 2008
#11792 Optimised unsafe FFI call can get wrong argument Compiler 7.10.3 normal new Apr 5, 2016
#11382 Optimize Data.Char Core Libraries 7.10.3 normal 8.2.1 new Jan 8, 2016
#2387 Optimizer misses unboxing opportunity Compiler 6.8.2 lowest minor new Jun 19, 2008
#8629 Option 'split-objs' being ignored when trying to reduce object code size in iOS cross-compilation Compiler 7.6.3 normal new Dec 25, 2013
#8363 Order matters for unused import warnings when reexporting identifiers Compiler 7.7 normal new Sep 26, 2013
#8082 Ordering of assembly blocks affects performance Compiler (NCG) 7.6.3 normal new Jul 22, 2013
#3107 Over-eager GC when blocked on a signal in the non-threaded runtime Runtime System 6.10.1 lowest normal new Mar 17, 2009
#11197 Overeager deferred type errors Compiler (Type checker) 7.11 normal 8.0.2 goldfire new Dec 11, 2015
#10526 Overlapping instances, incoherence, and optimisation Compiler 7.10.1 normal new Jun 15, 2015
#11272 Overloaded state-monadic function is not specialised Compiler 7.10.3 normal new Dec 21, 2015
#9809 Overwhelming the TimerManager Runtime System 7.10.1 normal simonmar new Nov 18, 2014
#11640 Panic because of "updateRole" Compiler 8.1 normal goldfire new Feb 24, 2016
#10617 Panic in GHCi debugger with GADTs, PolyKinds and Phantom types GHCi 7.10.1 normal new Jul 8, 2015
#9046 Panic in GHCi when using :print GHCi 7.8.2 normal new Apr 28, 2014
#10616 Panic in ghci debugger with PolyKinds and PhantomTypes GHCi 7.10.1 normal new Jul 8, 2015
#7078 Panic using mixing list with parallel arrays incorrectly Compiler 7.4.1 normal chak new Jul 16, 2012
#10173 Panic: Irrefutable pattern failed for pattern Data.Maybe.Just Compiler 7.8.4 normal new Mar 20, 2015
#10187 Panic: RegAlloc.Liveness.computeLivenss; SCCs aren't in reverse dependent order; bad blockId c8xHd Compiler 7.8.4 normal new Mar 24, 2015
#7380 Panic: mkNoTick: Breakpoint loading modules with -O2 via API GHC API 7.4.1 normal new Nov 1, 2012
#9219 Parallel build proceeds despite errors Driver 7.8.2 normal new Jun 19, 2014
#6034 Parse error when using ' with promoted kinds Compiler (Parser) 7.5 low new Apr 23, 2012
#8956 Parser error shadowed by "module ‘main:Main’ is defined in multiple files" error Compiler 7.8.1-rc2 normal new Apr 4, 2014
#10998 Parser should suggest -XMagicHash Compiler (Parser) 7.10.2 low new Oct 21, 2015
#4043 Parsing of guards, and type signatures Compiler (Parser) 6.12.2 normal new May 4, 2010
#3766 Parsing of lambdas is not consistent with Haskell'98 report. Compiler (Parser) 6.10.4 low new Dec 16, 2009
#10783 Partial type signatures should work in pattern synonym signatures Compiler 7.10.2 normal mpickering new Aug 20, 2015
#11515 PartialTypeSignatures suggests a redundant constraint with constraint families Compiler 8.1 normal new Jan 29, 2016
#11961 PatBind test suite failure with `-DDEBUG` Compiler 8.1 high simonpj new Apr 20, 2016
#11822 Pattern match checker exceeded (2000000) iterations Compiler 8.0.1-rc3 normal new Apr 11, 2016
#11984 Pattern match incompleteness / inaccessibility discrepancy Compiler 8.1 normal new Apr 26, 2016
#11527 Pattern match translation suboptimal Compiler 7.8.3 normal new Feb 2, 2016
#11368 Pattern synonym name is mangled when patterns are non-exhaustive Compiler 8.1 low mpickering new Jan 7, 2016
#10807 PatternGuards and MultiWayIf layout rules Compiler (Parser) 7.10.2 lowest new Aug 28, 2015
#9088 Per-thread Haskell thread list/numbering (remove global lock from thread allocation) Runtime System 7.9 low simonmar new May 7, 2014
#11989 Performance bug reading large-exponent float without explicit type Runtime System 7.10.3 normal new Apr 27, 2016
#9944 Performance issue re: simple loop Compiler 7.8.3 low new Dec 31, 2014
#11029 Performance loss due to eta expansion Compiler 7.10.2 normal new Oct 28, 2015
#11226 Performance regression (involving sum, map, enumFromThenTo) Compiler 7.10.3 normal new Dec 15, 2015
#5954 Performance regression 7.0 -> 7.2 (still in 7.4) Compiler 7.4.1 normal simonpj infoneeded Mar 20, 2012
#9979 Performance regression GHC 7.8.4 to GHC HEAD Compiler 7.11 normal new Jan 13, 2015
#10992 Performance regression due to lack of inlining of `foldl` and `foldl'`. Core Libraries 7.10.2 normal new Oct 20, 2015
#6166 Performance regression in mwc-random since 7.0.x Compiler 7.4.2 high 8.2.1 new Jun 15, 2012
#8990 Performance tests behave differently depending on presence of .hi file (even with -fforce-recomp) Test Suite 7.9 normal new Apr 12, 2014
#10840 Periodic alarm signals can cause a retry loop to get stuck Compiler 7.10.2 high 8.0.2 bgamari new Sep 4, 2015
#3231 Permission denied error with runProcess/openFile Core Libraries 6.10.4 normal normal simonmar new May 15, 2009
#11587 Place shared objects in LIBDIR Package system 7.10.3 normal 8.2.1 new Feb 16, 2016
#10301 Plugins/dynamic loading subtly broken (it seems) Compiler 7.8.2 normal new Apr 14, 2015
#10524 PolyKinds doesn't interact well with DeriveFunctor Compiler 7.10.1 normal patch Jun 15, 2015
#5326 Polymorphic instances aren't automatically specialised Compiler 7.0.3 low simonpj new Jul 15, 2011
#9730 Polymorphism and type classes Compiler (Type checker) 7.8.3 normal new Oct 27, 2014
#4288 Poor -fspec-constr-count=n warning messages Compiler 6.13 low new Sep 4, 2010
#11672 Poor error message Compiler (Type checker) 8.0.1-rc2 normal adamgundry new Mar 4, 2016
#11564 Possible overzealous unfolding Compiler 8.1 high new Feb 9, 2016
#11339 Possible type-checker regression in GHC 8.0 Compiler (Type checker) 8.0.1-rc1 highest 8.0.2 simonpj new Jan 2, 2016
#9981 Potential typechecker regression in GHC 7.10.1RC Compiler (Type checker) 7.10.1-rc1 low 8.2.1 simonpj new Jan 13, 2015
#12002 Pragmas after a module declaration are ignored without warning. Compiler 7.10.3 normal new May 1, 2016
#1727 Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression Compiler (Parser) 6.6.1 lowest minor new Sep 22, 2007
#9121 Presence of dyn_o files not checked upon recompilation Driver 7.8.3 normal new May 17, 2014
#4101 Primitive constant unfolding Compiler 6.12.2 low schyler new May 28, 2010
#8472 Primitive string literals prevent optimization Compiler 7.6.3 normal xnyhps new Oct 23, 2013
#7287 Primops in RULES generate warnings Compiler 7.7 normal 7.6.2 new Oct 1, 2012
#9494 Probable data corruption with GHCi 7.8.* and Zlib GHCi 7.8.3 normal infoneeded Aug 21, 2014
#1158 Problem with GADTs and explicit type signatures Compiler (Type checker) 6.6 lowest normal simonpj new Feb 20, 2007
#9421 Problems and workarounds when installing and using a 32bit GHC on 64bit Linux machine Compiler 7.8.3 normal MikolajKonarski new Aug 7, 2014
#10686 Process stops responding to sigINT Runtime System 7.10.1 normal new Jul 25, 2015
#11542 Profiling call count frequently 0 when it shouldn't be Profiling 7.8.3 normal new Feb 5, 2016
#8948 Profiling report resolution too low Profiling 7.6.3 normal new Apr 2, 2014
#5654 Profiling semantics bug Profiling 7.2.1 low simonmar new Nov 23, 2011
#6113 Profiling with -p not written if killed with SIGTERM Profiling 7.4.1 normal new May 19, 2012
#11575 Program crashes only when compiled via LLVM None 7.10.3 normal new Feb 14, 2016
#11181 Program hangs forever in sched_yield() / yield() unless -N is limited Runtime System 7.10.2 normal new Dec 8, 2015
#9607 Programs that require AllowAmbiguousTypes in 7.8 Compiler (Type checker) 7.8.3 normal new Sep 18, 2014
#11946 Provide a `make uninstall` target Build System 8.0.1 normal new Apr 16, 2016
#10077 Providing type checker plugin on command line results in false cyclic import error Compiler (Type checker) 7.11 normal new Feb 10, 2015
#10295 Putting SCC in heavily inlined code results in "error: redefinition of global" Compiler (LLVM) 7.10.1 normal infoneeded Apr 13, 2015
#1147 Quadratic behaviour in the compacting GC Runtime System 6.6 normal normal new Feb 14, 2007
#10576 REPL returns list of all imported names when operator completion requested GHCi 7.8.4 normal Geraldus new Jun 26, 2015
#11740 RFC kind synonyms Compiler 7.10.3 normal new Mar 21, 2016
#11406 RTS gets stuck in scheduleDetectDeadlock() Runtime System 8.1 normal new Jan 11, 2016
#11777 RTS source code issues Compiler 7.10.3 normal new Mar 31, 2016
#10555 RULE left-hand side too complicated to desugar Compiler 7.0.4 low new Jun 21, 2015
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