id,summary,status,owner,type,priority,component
2595,Implement record update for existential and GADT data types,new,,feature request,normal,Compiler
4139,Spurious non-exhaustive pattern match warnings are given using GADTs,new,,bug,normal,Compiler
5051,Typechecker behaviour change,new,,bug,high,Compiler
5610,"Improve ""Unacceptable argument type in foreign declaration"" error message",new,,feature request,high,Compiler (Type checker)
3895,"""Fix"" pervasive-but-unnecessary signedness in GHC.Prim",new,,feature request,low,Compiler
5590,"""guarded instances"": instance selection can add extra parameters to the class",new,simonpj,feature request,normal,Compiler (Type checker)
3140,(Windows?) GHCi doesn't load hierachical modules,new,,feature request,lowest,GHCi
4413,(^^) is not correct for Double and Float,new,tcsavage,bug,low,libraries/base
1365,-fbyte-code is ignored in a OPTIONS_GHC pragma,new,,feature request,lowest,GHCi
3543,-fext-core doesn't force recompilation when .hcr file doesn't exist,new,,bug,lowest,Driver
3321,-fhpc assumes original sources relative to the current directory,new,,bug,lowest,Compiler
2224,-fhpc inteferes/prevents rewrite rules from firing,new,andy@galois.com,bug,lowest,Code Coverage
5889,-fno-prof-count-entries leads to linking errors,new,,bug,normal,Compiler
2710,-main-is flag in {-# OPTIONS #-} pragma not fully supported,new,,bug,lowest,Compiler
2991,.mix files generation broken with -fhpc and --make flags with lhs modules,new,andy@galois.com,bug,lowest,Code Coverage
5827,/usr/local hard-coded in cabal,new,duncan,bug,normal,libraries (other)
7043,32-bit GHC ceiling of negative float SEGFAULT: 11,new,igloo,bug,high,Compiler
3000,:break command should recognize also nonexported top level symbols in qualified IDs,new,,feature request,lowest,GHCi
2345,":browse limitations (browsing virtual namespaces, listing namespaces)",new,,feature request,lowest,GHCi
2215,:disable command to disable breakpoints,new,,feature request,lowest,GHCi
2986,:info printing instances often isn't wanted,new,Remi,feature request,lowest,GHCi
5927,"A type-level ""implies"" constraint on Constraints",new,,feature request,normal,Compiler (Type checker)
4429,Ability to specify the namespace in mkName,new,reinerp,feature request,low,Template Haskell
5364,Access RTS flag values from inside Haskell programs,new,,feature request,normal,libraries/base
2104,Add Labels,new,,feature request,lowest,Compiler
4479,Add Type Directed Name Resolution,new,,feature request,low,Compiler (Type checker)
4114,Add a flag to remove/delete intermediate files generated by GHC,new,,feature request,low,Compiler
1894,Add a total order on type constructors,new,,feature request,lowest,Compiler (Type checker)
4340,Add alignment to hsc2hs template,new,,feature request,low,Compiler (FFI)
2550,Add an option to read file names from a file instead of the command line,new,,feature request,lowest,Compiler
5073,Add blockST for nested ST scopes,new,,bug,low,Compiler
3314,Add compilation date to +RTS --info,new,,feature request,lowest,Compiler
3192,Add dynCompileCoreExpr :: GhcMonad m => Bool -> Expr CoreBind -> m Dynamic to ghc-api,new,,feature request,lowest,GHC API
5296,Add explicit type applications,new,,feature request,low,Compiler (Type checker)
4466,Add extension for type application,new,,feature request,low,Compiler
5925,Add inline version of newArray#,new,,feature request,normal,Compiler
4442,Add unaligned version of indexWordArray#,new,,feature request,low,libraries (other)
2514,Add/Expose Binary API that allows dumping of any GHC Binary instance,new,nominolo,feature request,lowest,GHC API
3458,Allocation where none should happen,new,,bug,lowest,Compiler
5834,Allow both INLINE and INLINABLE for the same function,new,,feature request,normal,Compiler
1379,Allow breakpoints and single-stepping for functions defined interactively,new,,feature request,lowest,GHCi
3372,Allow for multiple linker instances,new,,feature request,low,Compiler
4453,Allow specifying .hi files of imports on command line in batch mode,new,,feature request,low,Compiler
1965,Allow unconstrained existential contexts in newtypes,new,,feature request,normal,Compiler
5108,Allow unicode sub/superscript symbols in both identifiers and operators,new,,feature request,normal,Compiler (Parser)
4268,Annotation extension needs a flag,new,,bug,normal,Compiler
3725,Annotations not written to interface files,new,,bug,lowest,Compiler
2823,Another arity expansion bug,new,,bug,lowest,Compiler
5809,Arity analysis could be better,new,simonpj,bug,normal,Compiler
2915,Arity is smaller than need be,new,simonpj,bug,lowest,Compiler
5333,Arrow command combinators and infixr cause the desugarer to fail,new,ross,bug,low,Compiler (Parser)
1420,Automatic heap profile intervals,new,,feature request,lowest,Profiling
3870,Avoid Haddock-links to the Prelude,new,,feature request,lowest,Documentation
2598,Avoid excessive specialisation in SpecConstr,new,,feature request,lowest,Compiler
3073,Avoid reconstructing dictionaries in recursive instance methods,new,,bug,lowest,Compiler
2731,Avoid unnecessary evaluation when unpacking constructors,new,,bug,lowest,Compiler
1016,Avoidance of unaligned loads is overly conservative,new,,task,lowest,Compiler
5924,Bad Cmm generated for updating one element in Array#,new,,bug,normal,Compiler
3698,Bad code generated for zip/filter/filter loop,new,,bug,low,Compiler
3711,Bad error reporting when calling a function in a module which depends on a DLL on Windows,new,--,bug,lowest,Runtime System
3946,Better diagnostic when entering a GC'd CAF,new,,task,low,Runtime System
4960,Better inlining test in CoreUnfold,new,,bug,low,Compiler
7105,Better names for derived SCCs of instances,new,simonmar,feature request,normal,Profiling
2600,Bind type variables in RULES,new,simonpj,feature request,lowest,Compiler
4102,Bit manipulation built-ins,new,,feature request,normal,libraries/base
3571,Bizzarely bloated binaries,new,,bug,lowest,Compiler
1574,Broken link testing,new,,feature request,lowest,Documentation
4347,Bug in unification of polymorphic and not-yet-polymorphic type,new,,bug,normal,Compiler (Type checker)
7388,CAPI doesn't work with ghci,new,igloo,bug,normal,GHCi
3238,CInt FFI exports do not use C int in _stub.h header file,new,,bug,lowest,Compiler (FFI)
5647,"CLI option to silence ""Loading package foo ... linking ... done"" output",new,,feature request,normal,Compiler
4150,CPP+QuasiQuotes confuses compilation errors' line numbers,new,,bug,low,Compiler (Parser)
5075,CPR optimisation for sum types if only one constructor is used,new,simonpj,feature request,normal,Compiler
4135,Can't Quote Instance Associated Types in Template Haskell,new,,bug,low,Template Haskell
4128,Can't capture classes inside a template haskell type quotation,new,,feature request,low,Template Haskell
5289,Can't use ghci with a library linked against libstdc++,new,,bug,normal,GHCi
5666,Can't use writeFile to write unicode characters.,new,,bug,normal,libraries (other)
5702,Can't vectorise pattern matching on numeric literals,new,chak,bug,normal,Data Parallel Haskell
3937,Cannot killThread in listen/accept on Windows threaded runtime,new,,bug,low,Runtime System
3744,Comparisons against minBound/maxBound not optimised,new,,bug,low,Compiler
2346,Compilation of large source files requires a lot of RAM,new,,bug,lowest,Compiler
4012,Compilation results are not deterministic,new,,bug,high,Compiler
7103,"Compiler panic, when loading wxc in GHCi",new,,bug,high,GHCi
5262,Compiling with -O makes some expressions too lazy and causes space leaks,new,,bug,low,Compiler
5763,Confusing error message,new,simonpj,bug,high,Compiler
5724,Confusing warning message for incomplete patterns,new,,bug,normal,Compiler
4938,Core2 CPU not detected correctly,new,,bug,low,Compiler
5907,Crashed loading package Safe,new,,bug,normal,Package system
4900,DEPENDS pragma,new,,feature request,normal,Compiler
3903,"DPH bad sliceP causes RTS panic ""allocGroup: requested zero blocks""",new,benl,bug,low,Data Parallel Haskell
5807,DPH library functions don't work without -fvectorise.,new,benl,bug,normal,Data Parallel Haskell
3782,"Data Parallel ""Impossible happened"" compiler error",new,benl,bug,low,Data Parallel Haskell
2450,"Data.Complex.magnitude squares using ^(2 :: Int), which is slow",new,,bug,lowest,libraries/base
2836,Data.Typeable does not use qualified names,new,,feature request,lowest,Compiler
5791,"Defer other kinds of errors until runtime, not just type errors",new,,task,normal,Compiler
1544,Derived Read instances for recursive datatypes with infix constructors are too inefficient,new,,bug,normal,Compiler
4896,Deriving Data does not work for attached code,new,,bug,low,Compiler
5642,Deriving Generic of a big type takes a long time and lots of space,new,dimitris,bug,high,Compiler
5462,Deriving clause for arbitrary classes,new,,feature request,normal,Compiler
4185,Deriving higher-arity instances for newtype family instances fails,new,simonpj,bug,low,Compiler
2940,Do CSE after CorePrep,new,simonpj,bug,lowest,Compiler
5429,Docase notation as GHC extension,new,tomasp,feature request,normal,Compiler
5202,Docs on strictness info out of date,new,,bug,low,Documentation
2776,Document -pgmL (Use cmd as the literate pre-processor),new,,bug,lowest,Documentation
4861,Documentation for base does not include special items,new,,bug,low,libraries/base
5620,Dynamic linking and threading does not work on Windows,new,igloo,bug,high,Runtime System
5786,Dynanmic way fails when GHC built with LLVM backend,new,dterei,bug,normal,Compiler (LLVM)
5239,"Em-dash for ""--"" with UnicodeSyntax.",new,,feature request,normal,Compiler (Parser)
2333,Emit a warning if an INLINE function is a loop breaker,new,,feature request,lowest,Compiler
3646,Enforce requirement that our repos contains a subset of upstream's patches,new,,task,lowest,Compiler
3122,Enhance --info,new,duncan,feature request,lowest,Compiler
2614,"Enumeration of values for `Sys.Info.os`, `Sys.Info.arch`",new,mjg,feature request,low,libraries/base
5443,Errors when shutting down the event manager loop,new,tibbe,bug,normal,Compiler
5840,Extend the supported environment sizes of vectorised closures,new,chak,bug,normal,Data Parallel Haskell
4372,Extending quasiquotation support,new,,bug,normal,Template Haskell
5630,External Core needs love,new,,bug,normal,Compiler
5823,FFI and CAPI needs {-# INCLUDE #-} back?,new,,feature request,normal,Compiler
3464,Find import declaration importing a certain function,new,,feature request,low,GHCi
4833,Finding the right loop breaker,new,,bug,low,Compiler
5140,Fix LLVM backend for PowerPC,new,erikd,task,low,Compiler (LLVM)
5608,Fix T3807 for Mac OS X 10.5,new,,bug,low,Test Suite
4092,Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64#,new,,feature request,normal,Compiler
5687,Friendly Interface for auto-completion of GHCi,new,,feature request,normal,GHCi
3373,GHC API is not thread safe,new,,feature request,low,GHC API
4162,GHC API messes up signal handlers,new,,bug,low,GHC API
4022,GHC Bindist is Broken on FreeBSD/amd64,new,pgj,bug,lowest,libraries (other)
1883,"GHC can't find library using ""short"" name",new,,bug,lowest,Compiler
7320,GHC crashes when building on 32-bit Linux in a Linode,new,simonmar,bug,high,Runtime System
3517,GHC has lots of extra hidden IOErrorType values,new,,bug,low,libraries/base
5539,GHC panic -  Simplifier ticks exhausted,new,simonpj,bug,high,Compiler
3915,GHC panic; possibly related to mutually recursive modules,new,,bug,lowest,Compiler
4124,GHC rejects instance quotations with splices in the instance head,new,,bug,low,Template Haskell
6047,GHC retains unnecessary binding,new,simonpj,bug,normal,Compiler
7316,GHC segfaults on ARM,new,,bug,high,Compiler
3379,GHC should use the standard binary package,new,,task,normal,Compiler
3061,GHC's GC default heap growth strategy is not as good as other runtimes,new,,bug,lowest,Runtime System
4329,GHC.Conc modifyTVar primitive,new,,feature request,low,Compiler
4942,GHC.ConsoleHandler does not call back application when Close button is pressed,new,,bug,low,GHC API
3625,GHCI doesn't work with dtrace on OS X,new,,bug,low,GHCi
1612,GHC_PACKAGE_PATH and $topdir bug,new,--,bug,lowest,Package system
1377,GHCi debugger tasks,new,mnislaih,task,lowest,GHCi
3333,GHCi doesn't load weak symbols,new,,bug,normal,GHCi
7056,"GHCi loadArchive ""libiconv.a"":failed Unknown PEi386 section name `.drectve'",new,,bug,high,GHCi
1349,"Generalise the ! and UNPACK mechanism for data types, to unpack function arguments",new,,task,normal,Compiler
5308,Generalize -msse2 command line flag to -msse<version number>,new,,feature request,low,Compiler
5498,Generalized newtype deriving allows creating of instances I can't create by hand,new,,bug,normal,Compiler
3351,Generated ghc man page missing xrefs,new,,bug,lowest,Documentation
5761,Getting stdout and stderr as a single handle from createProcess does not work on Windows,new,,bug,normal,libraries/process
5291,GhcDynamic build fails on Windows: can't find DLLs,new,,bug,low,Build System
5850,Greater customization of GHCi prompt,new,,feature request,normal,GHCi
3984,Handle multiline input in GHCi history,new,,feature request,normal,GHCi
3003,Happy does not reject pragmas,new,,bug,lowest,Build System
3722,Haskeline Iconv needs HAVE_LANGINFO_H,new,--,bug,low,libraries (other)
3282,How to start an emacs editor within ghci asynchronously with :edit filename.hs      :set editor emacs &   don't go,new,,feature request,lowest,GHCi
5928,INLINABLE fails to specialize in presence of simple wrapper,new,,bug,normal,Compiler
3712,Implement -dynamic-lib option,new,,task,low,Compiler
4001,Implement an atomic readMVar,new,,task,low,Runtime System
888,Implement the static argument transformation,new,,task,normal,Compiler
1330,Impredicativity bug: Church2 test gives a rather confusing error with the HEAD,new,simonpj,bug,lowest,Compiler (Type checker)
1885,Improve CPR analysis,new,simonpj,feature request,lowest,Compiler
2642,Improve SpecConstr for join points,new,,bug,lowest,Compiler
2340,Improve Template Haskell error recovery,new,--,feature request,lowest,Template Haskell
5224,Improve consistency checking for family instances,new,simonpj,bug,low,Compiler
2988,Improve float-in,new,,bug,lowest,Compiler
3547,Improve granularity of UndecidableInstances,new,,feature request,low,Compiler
3781,Improve inlining for local functions,new,,bug,lowest,Compiler
3755,Improve join point inlining,new,,task,low,Compiler
4985,Improve locations in ghci errors,new,,bug,low,Compiler
2256,Incompleteness of type inference: must quantify over implication constraints,new,simonpj,bug,lowest,Compiler
5775,Inconsistency in demand analysis,new,,bug,normal,Compiler
4471,Incorrect Unicode output on Windows Console,new,,bug,low,Compiler
5982,Incorrect dynamic library name in OSX,new,,bug,normal,libraries/base
5248,Infer type context in a type signature,new,,feature request,low,Compiler (Type checker)
5646,Initialise tuples using pragmas,new,chak,bug,normal,Data Parallel Haskell
5298,Inlined functions aren't fully specialised,new,,bug,low,Compiler
4815,Instance constraints should be used when deriving on associated data types,new,,feature request,low,Compiler
3055,Int / Word / IntN / WordN are unequally optimized,new,,bug,lowest,Compiler
4316,"Interactive ""do"" notation in GHCi",new,,feature request,low,GHCi
4170,"Invalid ""duplicate instance"" error",new,,bug,low,Template Haskell
6087,Join points need strictness analysis,new,,bug,normal,Compiler
5401,LANGUAGE pragma parser nit,new,igloo,bug,normal,Compiler (Parser)
2933,LDFLAGS ignored by build system,new,,bug,lowest,Build System
4308,LLVM compiles Updates.cmm badly,new,,bug,low,Compiler (LLVM)
4213,LLVM: Add support for TNTC to LLVM compiler suite,new,dterei,feature request,low,Compiler (LLVM)
4210,LLVM: Dynamic Library Support,new,dterei,feature request,low,Compiler (LLVM)
5567,LLVM: Improve alias analysis / performance,new,dterei,task,normal,Compiler (LLVM)
4211,LLVM: Stack alignment on OSX,new,dterei,task,normal,Compiler (LLVM)
3645,Layout and pragmas,new,,feature request,low,Compiler (Parser)
5288,Less noisy version of -fwarn-name-shadowing,new,,feature request,low,Compiler
5983,Libraries installed in wrong place,new,,bug,normal,libraries/base
5266,Licensing requirements and copyright notices,new,,feature request,low,None
5355,Link plugins against existing libHSghc,new,,bug,normal,Compiler
4428,Local functions lose their unfoldings,new,,bug,low,Compiler
4470,Loop optimization: identical counters,new,,feature request,normal,Compiler
4823,Loop strength reduction for array indexing,new,,feature request,low,Compiler
3654,Mach-O GHCi linker lacks support for a range of relocation entries,new,,bug,normal,Runtime System
3217,Make GHCi have separate flags for interactive Haskell expressions,new,,feature request,normal,Compiler
1721,Make GHCi print the entire result of an interactive 'bind' statement,new,,feature request,lowest,Compiler
5016,Make Template Haskell: -ddump-splices generate executable code,new,,feature request,low,Template Haskell
2867,"Make a way to tell GHC that a pragma name should be ""recognised""",new,,bug,lowest,Compiler
5835,Make better use of known dictionaries,new,,feature request,normal,Compiler
1693,Make distclean (still) doesn't,new,igloo,bug,lowest,Build System
4806,Make error message more user friendly when module is not found because package is unusable,new,,feature request,low,Compiler
4913,Make event tracing conditional on an RTS flag only,new,,feature request,low,Runtime System
3753,Make ghci's -l option consistent with GNU ld's -l option,new,,feature request,low,GHCi
4281,Make impredicativity work properly,new,simonpj,task,low,Compiler
1572,Make it easy to find documentation for GHC and installed packages,new,,task,lowest,Compiler
1631,Make the External Package Table contain ModDetails not ModIface,new,,task,lowest,Compiler
4800,Memory Leak when Compiling qtHaskell,new,,bug,low,Compiler
3697,Method selectors aren't floated out of loops,new,,bug,low,Compiler
5171,Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement,new,,feature request,low,Compiler
1216,Missed opportunity for let-no-esape,new,simonpj,bug,normal,Compiler
2439,Missed optimisation with dictionaries and loops,new,simonpj,bug,lowest,Compiler
5267,Missing type checks for arrow command combinators,new,ross,bug,low,Compiler (Type checker)
2437,More accurate package dependencies,new,--,task,lowest,Package system
2374,MutableByteArray# is slower than Addr#,new,,bug,lowest,Compiler (NCG)
2289,Needless reboxing of values when returning from a tight loop,new,,bug,lowest,Compiler
3462,New codegen: allocate large objects using allocateLocal(),new,,task,low,Compiler
4096,New primops for indexing: index*OffAddrUsing# etc,new,,feature request,low,Compiler
2721,Newtype deriving doesn't work with type families,new,,feature request,lowest,Compiler
4846,Newtype derving used wrongly,new,,bug,low,Compiler
1496,Newtypes and type families combine to produce inconsistent FC(X) axiom sets,new,simonpj,bug,normal,Compiler (Type checker)
2260,Non-ideal error message for misplaced LANGUAGE pragma,new,,bug,lowest,Compiler (Parser)
4899,"Non-standard compile plus Template Haskell produces spurious ""unknown symbol"" linker error",new,simonmar,bug,low,Compiler
3470,OSX installer should give an informative error message when XCode is missing,new,,bug,lowest,Build System
5813,Offer a compiler warning for failable pattern matches,new,,feature request,normal,Compiler
849,Offer control over branch prediction,new,,feature request,normal,Compiler
6016,"On Windows, runhaskell hits an error on UTF-8 files with a BOM",new,,bug,normal,Compiler (Parser)
1600,Optimisation: CPR the results of IO,new,,task,lowest,Compiler
1498,Optimisation: eliminate unnecessary heap check in recursive function,new,,bug,low,Compiler
4301,Optimisations give bad core for foldl' (flip seq) (),new,,bug,low,Compiler
2387,Optimizer misses unboxing opportunity,new,,bug,lowest,Compiler
3107,Over-eager GC when blocked on a signal in the non-threaded runtime,new,,bug,lowest,Runtime System
5844,Panic on generating Core code,new,,bug,normal,External Core
3766,Parsing of lambdas is not consistent with Haskell'98 report.,new,,bug,low,Compiler (Parser)
5062,Patch: Debug output for OS X linker and coding standard upgrades,new,,bug,low,Runtime System
5954,Performance regression 7.0 -> 7.2 (still in 7.4),new,simonpj,bug,high,Compiler
6166,Performance regression in mwc-random since 7.0.x,new,,bug,high,Compiler
3231,Permission denied error with runProcess/openFile,new,simonmar,bug,normal,libraries/base
4020,Please consider adding support for local type synonyms,new,,feature request,low,Compiler (Type checker)
4459,Polymorphic Data.Dynamic,new,vivian,feature request,low,GHC API
5326,Polymorphic instances aren't automatically specialised,new,simonpj,bug,low,Compiler
4288,Poor -fspec-constr-count=n warning messages,new,,bug,low,Compiler
5059,Pragma to SPECIALISE on value arguments,new,,feature request,low,Compiler
1727,Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression,new,,bug,lowest,Compiler (Parser)
4101,Primitive constant unfolding,new,,bug,low,Compiler
3859,Problems with toClockTime on NetBSD,new,,bug,lowest,Compiler
5654,Profiling semantics bug,new,simonmar,bug,low,Profiling
6113,Profiling with -p not written if killed with SIGTERM,new,,bug,normal,Profiling
2301,Proper handling of SIGINT/SIGQUIT,new,,bug,normal,libraries/process
5682,Properly parse kind operators (from promoted type operators),new,dreixel,bug,low,Compiler
2531,Prune duplicates in ghci history,new,,feature request,lowest,GHCi
5376,Quotation in System.Process.system for Windows,new,,bug,low,libraries/process
3869,RTS GC Statistics from -S should be logged via the eventlog system,new,,feature request,low,Runtime System
4451,Re-linking avoidance is too aggressive,new,simonmar,bug,normal,Compiler
7277,Recompilation check fails for TH unless functions are inlined,new,,bug,high,Template Haskell
3355,Refactor Template Haskell syntax conversions,new,,task,lowest,Compiler
4121,Refactor the plumbing of CafInfo to make it more robust,new,,bug,low,Compiler
5369,Reinstate VECTORISE pragmas with expressions as right-hand sides,new,chak,bug,normal,Data Parallel Haskell
4937,"Remove indirections caused by sum types, such as Maybe",new,,feature request,normal,Compiler
3065,Reorder tests in quot to improve code,new,,bug,lowest,libraries/base
2648,Report out of date interface files robustly,new,,feature request,lowest,GHCi
3138,Returning a known constructor: GHC generates terrible code for cmonad,new,,bug,lowest,Compiler
4295,Review higher-rank and impredicative types,new,simonpj,bug,normal,Compiler
2641,Revise the rules for -XExtendedDeafultRules,new,,feature request,lowest,Compiler
2110,Rules to eliminate casted id's,new,,feature request,lowest,Compiler
5188,Runtime error when allocating lots of memory,new,,bug,low,GHCi
6079,SEH exception handler not implemented on Win64,new,,bug,normal,Runtime System
5821,SPECIALISE fails with a cryptic warning,new,,bug,normal,Compiler
5463,SPECIALISE pragmas generated from Template Haskell are ignored,new,,bug,normal,Template Haskell
2028,STM slightly conservative on write-only transactions,new,,bug,lowest,Compiler
4505,Segmentation fault on long input (list of pairs),new,,bug,low,Compiler
5645,Sharing across functions causing space leak,new,,bug,normal,Compiler
5619,Shorter qualified import statements,new,,feature request,normal,Compiler
3693,Show stack traces,new,,feature request,normal,Runtime System
3452,Show type of most recent expression in GHCi,new,,feature request,lowest,GHCi
4426,Simplify the rules for implicit quantification,new,,feature request,low,Compiler
5444,Slow 64-bit primops on 32 bit system,new,,bug,normal,Compiler
5143,Soft heap limit flag,new,simonmar,task,normal,Runtime System
3483,"Some mechanism for eliminating ""absurd"" patterns",new,,feature request,low,Compiler
5692,Source code with large floating constants in exponential notation cannot be compiled,new,pcapriotti,bug,normal,Compiler
3767,SpecConstr for join points,new,,bug,low,Compiler
1466,Stack check for AP_STACK,new,simonmar,bug,normal,Compiler
4016,Strange display behaviour in GHCi,new,,feature request,low,Compiler
4081,Strict constructor fields inspected in loop,new,benl,bug,low,Compiler
4267,Strictness analyser is to conservative about passing a boxed parameter,new,,bug,low,Compiler
3924,Strictness analyser missing useful strictness,new,,bug,low,Compiler
4049,Support for ABI versioning of C libraries,new,,bug,low,Build System
5556,Support pin-changing on ByteArray#s,new,,feature request,normal,Compiler
5197,Support static linker semantics for archives and weak symbols,new,,feature request,low,Runtime System
3980,System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag,new,,feature request,low,libraries/unix
4218,System.Random is way too lazy,new,rrnewton,bug,low,Compiler
4837,Template Haskell does not work in a profiled compiler.,new,,bug,low,Profiling
4222,Template Haskell lets you reify supposedly-abstract data types,new,,feature request,low,Compiler
4230,Template Haskell: less type checking in quotations?,new,,feature request,low,Compiler
5467,Template Haskell: support for Haddock comments,new,,feature request,normal,Template Haskell
2805,Test ffi009(ghci) fails on PPC Mac OS X,new,,bug,lowest,GHCi
5641,The -L flag should not exist,new,,bug,normal,Profiling
5470,The DPH library needs to support PData and PRepr instances for more than 15-tuples,new,chak,bug,normal,Data Parallel Haskell
3606,The Ord instance for unboxed arrays is very inefficient,new,,bug,lowest,libraries (other)
7045,The `Read` instance of `Rational` does not support decimal notation,new,,bug,normal,libraries/base
4296,The dreaded SkolemOccurs problem,new,simonpj,bug,low,Compiler
5190,TinyCoreLinux extension,new,,bug,low,Build System
4831,Too many specialisations in SpecConstr,new,rl,bug,low,Data Parallel Haskell
5959,Top level splice in Template Haskell has over-ambitious lexical scope?,new,,bug,low,Compiler
2840,Top level string literals,new,,bug,lowest,Compiler
3713,Track -dynamic/-fPIC to avoid obscure linker errors,new,,task,low,Compiler
2640,Treat -X flags consistently in GHCi,new,,feature request,lowest,Compiler
4052,Two sided sections,new,,feature request,low,Compiler
5985,Type operators are not accepted as variables in contexts,new,,bug,normal,Compiler
4385,Type-level natural numbers,new,diatchki,feature request,normal,Compiler (Type checker)
3990,UNPACK doesn't unbox data families,new,,bug,low,Compiler
3844,Undeprecate #include (in at least some circumstances),new,,bug,low,Compiler (FFI)
4017,Unhelpful error message in GHCi,new,,bug,lowest,Compiler
1880,Unify flag descriptions to generate both docs and code,new,,task,lowest,Compiler
5302,Unused arguments in join points,new,simonpj,bug,low,Compiler
5158,Update .git-ignore in all the repos,new,pcapriotti,task,low,Compiler
2159,Use a more efficient representation than [DynFlag],new,,bug,lowest,Compiler
609,Useful optimisation for set-cost-centre,new,simonmar,task,normal,Profiling
3704,Using -shared without -dynamic should be rejected on linux,new,,bug,low,Compiler
2365,Warn about suspicious flags in OPTIONS_GHC pragmas,new,,feature request,lowest,Compiler
2135,Warn if functions are exported whose types cannot be written,new,,feature request,lowest,Compiler
602,Warning Suppression,new,,task,lowest,Compiler
4980,Warning about module abbreviation clashes,new,,feature request,low,Compiler
4959,Warning about variables with leading underscore that are used anyway,new,,feature request,low,Compiler (Parser)
2522,Warning for missing export lists,new,,feature request,lowest,Compiler
5392,Warnings about impossible MPTCs would be nice,new,,feature request,normal,Compiler
3699,Wildcards in type functions,new,,feature request,low,Compiler
1820,Windows segfault-catching only works for the main thread,new,,bug,lowest,Runtime System
4824,Windows: Dynamic linking doesn't work out-of-the-box,new,,bug,low,Runtime System
2269,Word type to Double or Float conversions are slower than Int conversions,new,dons@galois.com,feature request,lowest,Compiler
1534,"[Debugger] Watch on accesses of ""variables""",new,,feature request,lowest,GHCi
5209,^C doesn't correctly reset the prompt from within multiline commands in ghci,new,,bug,low,GHCi
2401,aborting an STM transaction should throw an exception,new,--,bug,low,Runtime System
2737,add :tracelocal to ghci debugger to trace only the expressions in a given function,new,,feature request,lowest,GHCi
2945,add command :mergetrace,new,,feature request,lowest,GHCi
4196,add more stolen syntax to the user guide,new,,task,low,Documentation
2968,add test for C trigraphs,new,kchugalinskiy,task,lowest,Compiler
3701,allow existential wrapper newtypes,new,,feature request,low,Compiler
3619,allow to set ghc search path globally (a'la CPATH),new,,feature request,low,Compiler
5542,"also parse class/instance declarations as ""HEAD <= CONTEXT where""",new,,feature request,normal,Compiler (Parser)
344,arrow notation: incorrect scope of existential dictionaries,new,ross,bug,lowest,Compiler (Type checker)
2803,bring full top level of a module in scope when a breakpoint is hit in the module,new,,feature request,lowest,GHCi
3996,bug in GHC when compiling HOC (SVN revision 413),new,,bug,lowest,Compiler
5861,bytestring: incorrect documentation for hGetContents,new,duncan,bug,normal,libraries (other)
2459,"can't link haskell without ""main"" function, or -no-hs-main broken on windows?",new,,bug,lowest,Driver
4215,canonicalizePath behaves strangely with paths that do not exist,new,,bug,low,libraries/directory
5014,canonicalizePath throws exception on paths that do not exist,new,,bug,low,libraries/directory
5320,check_overlap panic (7.1 regression),new,simonpj,bug,normal,Compiler
3427,control what sort of entity a deprecated pragma applies to,new,,bug,low,Compiler
5251,copyFile does not copy metadata,new,,bug,low,libraries/directory
5777,core lint error with arrow notation and GADTs,new,ross,bug,normal,Compiler
2140,cpuTimePrecision is wrong for me on Windows (XP),new,,bug,lowest,libraries/base
5305,crash after writing around 40 gigabytes to stdout,new,,bug,low,Compiler
5412,dataTypeConstrs gives unhelpful error message,new,,bug,normal,libraries/base
4019,deriving Ord can produce incorrect and inefficient instances,new,,bug,low,Compiler
2530,deriving Show adds extra parens for constructor with record syntax,new,,bug,lowest,Compiler
3034,divInt# floated into a position which leads to low arity,new,,bug,lowest,Compiler
4180,do not consider associativity for unary minus for fixity resolution,new,,feature request,low,Compiler (Parser)
4140,dynHelloWorld(dyn) fails in an unreg build,new,,bug,low,Compiler
5273,error and undefined should print a location,new,,feature request,low,Compiler
2119,explicitly importing deprecated symbols should elicit the deprecation warning,new,,feature request,lowest,Compiler
5387,ffi/should_run fptr02 fails on OS X amd64,new,,bug,low,Compiler
4105,ffi005 fails on OS X,new,,bug,low,Compiler
2161,finaliser of a ForeignPtr called while references from unreachable threads exist,new,,bug,low,Runtime System
3070,floor(0/0) should not be defined,new,squadette,bug,lowest,Prelude
5966,getAppUserDataDirectory does not respect XDG specification,new,,bug,normal,libraries/directory
2258,ghc --cleanup,new,,feature request,lowest,Compiler
3588,ghc -M should emit dependencies on CPP headers,new,,bug,low,Compiler
3052,ghc FFI doesn't support thiscall,new,,feature request,low,Compiler (FFI)
5537,ghc doesn't find libffi.so.5 in testsuite,new,,bug,low,Test Suite
3960,ghc panic when attempting to compile DPH code,new,rl,bug,lowest,Data Parallel Haskell
1012,ghc panic with mutually recursive modules and template haskell,new,,bug,lowest,Template Haskell
5615,ghc produces poor code for `div` with constant powers of 2.,new,daniel.is.fischer,bug,normal,Compiler
3739,ghc-cabal mishandles relative paths in arguments,new,,bug,low,Build System
4048,ghc-pkg should check for existence of extra-libraries,new,,bug,low,Package system
5898,ghc: internal error: Invalid Mach-O file,new,,bug,normal,Compiler
4245,ghci panic: thread blocked indefinitely in an MVar operation,new,tibbe,bug,high,GHCi
2168,ghci should show haddock comments for identifier,new,,feature request,lowest,GHCi
3242,ghci: can't load .so/.DLL for: m (addDLL: could not load DLL),new,,bug,normal,GHCi
5388,ghcilink003 and ghcilink006 fail on OSX,new,,bug,low,Compiler
2189,hSetBuffering stdin NoBuffering doesn't work on Windows,new,,bug,normal,libraries/base
3771,haddock: internal error: evacuate: strange closure type 19269,new,,bug,lowest,Compiler
3376,hpc and CPP don't mix on Windows,new,andy@galois.com,bug,lowest,Code Coverage
1853,hpc mix files for Main modules overwrite each other,new,AndyGill,bug,lowest,Code Coverage
3191,hpc reports spurious results with .lhs files even after processing with ghc -E,new,andy@galois.com,bug,lowest,Code Coverage
2075,hpc should render information about the run in its html markup,new,andy@galois.com,feature request,lowest,Code Coverage
4931,hsc2hs emits invalid OPTIONS_GHC pragmas,new,,bug,low,hsc2hs
5918,hsc2hs forces wordsize (i.e. -m32 or -m64) to be the choice of GHC instead of allowing a different (or no/default choice),new,,feature request,low,hsc2hs
2184,"if findExecutable finds a file that matchs the argument, check if it is an executable",new,,bug,lowest,libraries/directory
5942,implement POSIX confstr() in System/Posix/Unistd.hsc,new,,feature request,normal,libraries/unix
2123,implement waitForProcess using signals,new,,task,lowest,libraries/process
4366,in-tree GMP build problem with shared libraries,new,,bug,low,Build System
3649,inconsistent exception between unix/windows for running non-existant program,new,,bug,low,libraries/process
4955,increase error message detail for module lookups failure due to hi references,new,,bug,low,Compiler
2273,inlining defeats seq,new,,bug,lowest,Compiler
5292,libHSghc exports more symbols than Windows can handle,new,,bug,low,Compiler
3509,libffi.so not found on Mac OS X (10.5.8),new,,bug,lowest,Build System
3632,"lift restrictions on records with existential fields, especially in the presence of class constraints",new,,feature request,low,Compiler
4836,literate markdown not handled correctly by unlit,new,,bug,low,Compiler
3533,mac installer package deletes old version of ghc,new,,bug,lowest,Compiler
3123,make INLINE work for recursive definitions (generalized loop peeling/loop unrolling),new,,feature request,lowest,Compiler
5522,mc03 -O -fliberate-case -fspec-constr runs out of memory,new,simonpj,bug,normal,Compiler
5219,need a version of hs_init that returns an error code for command-line errors,new,,feature request,low,Runtime System
2370,num009 fails on OS X 10.5?,new,,bug,lowest,Compiler
3184,"package.conf should be under /var, not /usr",new,--,bug,low,Package system
5672,parBufferWHNF could be less subtle,new,duncan,feature request,normal,libraries (other)
2064,problems with duplicate modules,new,--,bug,lowest,Package system
2460,provide -mwindows option like gcc,new,,feature request,lowest,Compiler
7243,regression: acceptable foreign result types,new,igloo,bug,normal,Compiler (FFI)
4176,reject unary minus in infix left hand side function bindings that resolve differently as expressions,new,,bug,low,Compiler
4921,report ambiguous type variables more consistently,new,,feature request,low,Compiler (Type checker)
5916,runST isn't free,new,,bug,normal,Compiler
3881,"section parse errors, e.g. ( let x=1 in x + )",new,,bug,low,Compiler (Parser)
5841,seg fault in ghci but not ghc when using chart-gtk code,new,,bug,normal,Compiler
2950,show breakpoint numbers of breakpoints which were ignored during :force,new,,feature request,lowest,GHCi
3786,showing function arguments when stopped at its definition,new,,feature request,low,GHCi
5495,simple program fails with -shared on mac,new,,bug,low,Compiler
3559,split ghci modules off into their own package,new,,task,low,GHCi
3251,split rts headers into public and private,new,,feature request,lowest,Runtime System
5013,sporadic failures during compilation under solaris,new,,bug,low,Compiler
4520,"startup code on Windows should use SetDllDirectory("""")",new,,feature request,low,Runtime System
5142,stub header files don't work with the MS C compiler,new,simonmar,bug,low,Compiler
7325,threadDelay mistreats minBound and maxBound in some configurations,new,,bug,high,Runtime System
4440,time004 fails depending on the date,new,,bug,low,Test Suite
2946,tracing should be controled by a global flag,new,,feature request,lowest,GHCi
2147,unhelpful error message for a misplaced DEPRECATED pragma,new,,bug,lowest,Compiler
5063,unix package has untracked dependency on libbsd,new,,bug,low,libraries/unix
1487,unix package: test needed for getLoginName,new,adrien,bug,lowest,libraries/unix
5378,unreg compiler: warning: conflicting types for built-in function ‘memcpy’,new,,bug,low,Compiler
5859,unsafeInterleaveIO duplicates computation when evaluated by multiple threads,new,simonpj,bug,high,libraries/base
3085,warn about language extensions that are not used,new,,feature request,normal,Compiler
2526,warn about missing signatures only for exported functions,new,,feature request,lowest,Compiler
3032,would be nice if -fno-code and --make worked together,new,,feature request,lowest,Compiler
5578,write access permission of binary result different on OpenBSD,new,igloo,bug,low,Test Suite
5757,zero unexpected failures on all tier 1 platforms,new,,task,highest,Test Suite
7729,GHC panics. Invalid core,new,,bug,normal,Compiler
7359,unix-2.6.0.0 fails to install on mac os x with 7.4.* (works with 7.6.1),new,igloo,bug,highest,libraries/unix
7767,"""internal error: evacuate: strange closure type 154886248"" crash",new,,feature request,normal,Runtime System
7712,"""make install"" fails on Windows",new,igloo,bug,high,Build System
7768,"""untracked content"" in fresh clone of haskeline",new,igloo,bug,normal,Build System
314,#line pragmas not respected inside nested comments,new,,bug,high,Compiler (Parser)
5780,-faggressive-primops change caused a failure in perf/compiler/parsing001,new,,bug,high,Compiler
7735,-fext-core doesn't generate .hcr when .o and .hi files are present,new,,bug,normal,External Core
7011,32bit GHC 7.4.2 cannot compile integer-gmp on OS X 10.8,new,,bug,high,libraries (other)
7655,7.6.2 Segmentation Fault/Bus Error in large exponentation,new,igloo,bug,normal,GHCi
7730,:info and polykinds,new,,bug,normal,Compiler (Type checker)
7685,:script command does not resolve ~,new,,bug,normal,GHCi
7741,Add SIMD support to x86/x86_64 NCG,new,,feature request,normal,Compiler
5941,Add compilation stage plugins,new,,feature request,normal,Compiler
7263,Add derived Show instances to GHC.Generics,new,dreixel,feature request,normal,GHC API
7181,Add documentation on heap-profile file format.,new,,feature request,normal,Documentation
7790,Add dummy undefined symbols to indicate ways,new,ezyang,task,normal,Compiler
7152,Add flag to configure that skips overwriting of symlinks on install,new,,bug,high,Build System
7015,Add support for 'static',new,,feature request,normal,Compiler
7048,Add the ability to statically define a `FunPtr` to a haskell function,new,,feature request,normal,Compiler
7104,Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue,new,simonmar,feature request,normal,libraries (other)
5218,Add unpackCStringLen# to create Strings from string literals,new,igloo,feature request,high,Compiler
6040,Adding a type signature changes heap allocation into stack allocation without changing the actual type,new,simonpj,bug,normal,Compiler
7300,Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC,new,,feature request,high,Compiler (FFI)
7494,Allow compatible type synonyms to be the return type of a GADT data constructor.,new,,feature request,normal,Compiler (Type checker)
6089,Allow declaration splices inside declaration brackets,new,simonpj,feature request,normal,Template Haskell
6024,"Allow defining kinds alone, without a datatype",new,,feature request,normal,Compiler (Type checker)
7266,Allow fractional-looking integer literals,new,,feature request,high,Compiler
7331,Allow the evaluation of declaration splices in GHCi,new,,feature request,normal,GHCi
7346,Allow the use of `deriving` for GHC generics,new,dreixel,feature request,normal,Compiler
7140,Allow type signature in export list,new,,feature request,normal,Compiler (Type checker)
7831,Bad fragmentation when allocating many large objects,new,ezyang,bug,normal,Runtime System
7273,Binary size increase in nofib/grep between 7.6.1 and HEAD,new,,bug,high,Compiler
7503,"Bug with PolyKinds, type synonyms & GADTs",new,simonpj,bug,normal,Compiler (Type checker)
7651,Buiding GHC with parallel IO manager freezes on Mac (not on FreeBSD),new,,bug,high,Build System
7889,Build Error (master branch),new,,bug,high,GHCi
7246,"Callstack depends on way (prof, profasm, profthreaded",new,,bug,normal,Profiling
6132,Can't use both shebang line and #ifdef declarations in the same file.,new,,bug,normal,Compiler
7114,Cannot recover (good) inlining behaviour from 7.0.2 in 7.4.1,new,,bug,normal,Compiler
5902,Cannot tell from an exception handler whether the exception was asynchronous,new,simonmar,bug,high,Compiler
7509,Changing the second prompt. :{ modules| No setting available to change.,new,igloo,feature request,normal,Compiler
7633,"Checkable ""minimal complete definitions""",new,,feature request,normal,Compiler
7505,Commentary shipped with GHC sources is outdated,new,,bug,normal,Documentation
6037,Compile-time crash with sources with non-representable unicode characters,new,,bug,normal,Compiler
7258,Compiling DynFlags is jolly slow,new,simonpj,bug,normal,Compiler
3103,Compiling base with cabal fails.,new,,bug,high,Compiler
7543,Constraint synonym instances,new,,bug,normal,Compiler
7610,Cross compilation support for LLVM backend,new,dterei,bug,normal,Compiler (LLVM)
7621,Cross-build for QNX ARM smashes stack when using FunPtr wrappers,new,,bug,normal,Compiler (FFI)
7091,DPH Matrix product memory usage,new,benl,bug,normal,Data Parallel Haskell
7330,Data Parallel Haskell (DPH) isn't usable yet.,new,benl,feature request,normal,Compiler
7395,DefaultSignatures conflict with default implementations,new,,feature request,normal,Compiler
5949,Demand analysis attributes manifestly wrong demand type,new,,bug,normal,Compiler
4879,Deprecate exports,new,,feature request,high,Compiler
7229,Detecting if a process was killed by a signal is impossible,new,,bug,high,libraries/process
7460,Double literals generated bad core,new,tibbe,bug,normal,Compiler
3658,Dynamically link GHCi (and use system linker) on platforms that support it,new,igloo,task,high,GHCi
7669,Empty case causes warning,new,,bug,normal,Compiler
7800,Error message when deriving Typeable without PolyKinds,new,dreixel,bug,normal,Compiler
7461,"Error messages about ""do"" statements contain false information",new,,bug,normal,Compiler (Type checker)
7830,Error: operand out of range,new,,bug,high,Compiler
7259,Eta expansion of products in System FC,new,simonpj,bug,normal,Compiler
7382,Evaluating GHCi expressions is slow following the dynamic-by-default change,new,,bug,highest,GHCi
7411,Exceptions are optimized away in certain situations,new,,bug,high,Compiler
7068,Extensive Memory usage (regression),new,simonpj,bug,high,Compiler
7772,Finish support for DYNAMIC_GHC_PROGRAMS on Windows,new,igloo,bug,high,Compiler
6070,Fun with the demand analyser,new,simonpj,bug,normal,Compiler
7098,GHC 7.4.1 reports an internal error and core dumps while using DPH,new,benl,bug,normal,Compiler
7456,GHC API displays linker messages to stdout instead of via log_action,new,igloo,bug,high,GHC API
7430,GHC API reports CPP errors in confusing ways,new,,bug,normal,GHC API
7623,GHC Arm support,new,,task,normal,Compiler
7752,GHC as a library documentation out of sync,new,,bug,high,Documentation
7428,GHC compile times are seriously non-linear in program size,new,,bug,normal,Compiler
7337,GHC does not generate great code for bit-level rotation,new,,feature request,normal,Compiler
7542,GHC doesn't optimize (strict) composition with id,new,simonpj,bug,normal,Compiler
7544,GHC downloads are unsigned,new,igloo,feature request,normal,Build System
6022,GHC infers over-general types,new,simonpj,bug,high,Compiler
7072,GHC interpreter does not find stat64 symbol on Linux,new,,bug,normal,GHCi
7678,GHC should compile cleanly with clang,new,thoughtpolice,bug,high,Compiler
7190,GHC's -fprof-auto does not work with LINE pragmas,new,,bug,normal,Profiling
7241,GHC-7.6.1 panics on template haskell code,new,simonpj,bug,normal,Template Haskell
7482,GHC.Event overwrites main IO managers hooks to RTS,new,AndreasVoellmy,bug,normal,libraries/base
7500,GHC: internal error: getMBlock: mmap: Operation not permitted,new,,bug,normal,Compiler
7789,GHCI core dumps when used with VTY,new,igloo,bug,normal,GHCi
7794,"GHCi ""Prelude.undefined"" exceptions on ARM; ByteCodeItbls.mkJumpToAddr unimplemented",new,,bug,normal,GHCi
7158,GHCi commands case insensitive,new,,feature request,normal,GHCi
5435,GHCi linker should run constructors for linked libraries,new,,bug,normal,Compiler
781,"GHCi on x86_64, cannot link to static data in shared libs",new,,bug,high,Compiler
6107,GHCi runtime linker cannot link with duplicate common symbols,new,,bug,normal,Compiler
7133,"GHCi: strange behaviour after CTRL-C, followed by 'hPutChar: resource vanished (Broken Pipe)' when quitting",new,tibbe,bug,normal,GHCi
7269,GeneralizedNewtypeDeriving and PolyKinds,new,dreixel,bug,normal,Compiler
6147,GeneralizedNewtypeDeriving should fail with data families,new,simonpj,bug,high,Compiler (Type checker)
7443,Generated C code under -prof -fprof-auto -fprof-cafs very slow to compile,new,,bug,normal,Profiling
7492,Generic1 deriving: Can we replace Rec1 f with f :.: Par1?,new,dreixel,feature request,normal,Compiler
7275,Give more detailed information about PINNED data in a heap profile,new,igloo,feature request,normal,Compiler
7644,Hackage docs for base library contain broken links,new,,bug,normal,Documentation
7624,Handling ImplicitParams in Instance Declaration,new,,bug,normal,Documentation
7695,Hang when locale-archive and gconv-modules are not there,new,,bug,normal,None
7539,Hard ghc api crash when calling runStmt on code which has not been compiled,new,,bug,normal,Compiler
5910,Holes with other constraints,new,,feature request,high,Compiler (Type checker)
6056,INLINABLE pragma prevents worker-wrapper to happen.,new,simonpj,bug,normal,Compiler
7245,INLINEing top-level patterns causes ghc to emit 'arity missing' traces,new,,bug,normal,Compiler
7378,Identical alts/bad divInt# code,new,,bug,normal,Compiler
7520,Implement cardinality analysis,new,,bug,normal,Compiler
3927,Incomplete/overlapped pattern warnings + GADTs = inadequate,new,simonpj,bug,high,Compiler
7751,Incremental heap census,new,ezyang,feature request,normal,Profiling
6018,Injective type families,new,simonpj,feature request,normal,Compiler
7109,"Inlining depends on datatype size, even with INLINE pragmas",new,simonpj,bug,normal,Compiler
7141,Inlining the single method of a class can shadow rules,new,simonpj,bug,normal,Compiler
7643,Kind application error,new,simonpj,bug,normal,Compiler (Type checker)
7297,LLVM incorrectly hoisting loads,new,dterei,bug,normal,Compiler (LLVM)
7608,LLVM only handles a hard-coded list of triples.,new,dterei,task,normal,Compiler (LLVM)
7694,LLVM: bootstrapping with LLVM 3.2 does not work,new,dterei,bug,normal,Compiler (LLVM)
5945,Lambda lifting,new,simonpj,bug,normal,Compiler
6092,Liberate case not happening,new,simonpj,bug,normal,Compiler
7668,Location in -fdefer-type-errors,new,,bug,normal,Compiler (Type checker)
7634,MD5 collision could lead to SafeHaskell violation,new,,bug,normal,libraries/base
4243,Make a proper options parser for the RTS,new,,task,high,Runtime System
7353,Make system IO interruptible on Windows,new,,bug,normal,libraries/base
7619,Make worker-wrapper unbox data families,new,simonpj,feature request,normal,Compiler
7289,Mingw FPU init not Windows compatible.,new,,bug,high,Runtime System
7116,Missing optimisation: strength reduction of floating-point multiplication,new,pcapriotti,bug,normal,Compiler
7785,Module-local function not specialized with ConstraintKinds,new,,bug,normal,Compiler
7783,MultiWayIf should start a new layout,new,,bug,normal,Compiler (Parser)
7475,Mysterious Data.Word Segmentation Fault in GHCi,new,,bug,normal,Compiler
7335,Need for extra warning pragma for accidental pattern matching in do blocks,new,,feature request,normal,Compiler
7198,New codegen more than doubles compile time of T3294,new,simonmar,bug,high,Compiler
2451,New signal-handling API,new,simonmar,task,highest,libraries/unix
7727,Nonsense evaluation: sequence [] = [],new,igloo,bug,normal,GHCi
5019,OS X: ld: warning: could not create compact unwind for _ffi_call_unix64,new,,bug,high,Compiler
7765,Odd error message for `runghc` with missing `main` function.,new,igloo,bug,normal,Compiler
7725,Operators without colons,new,,bug,normal,Compiler
7596,Opportunity to improve CSE,new,simonpj,bug,normal,Compiler
7367,Optimiser / Linker Problem on amd64,new,,bug,normal,Build System
7540,Panic on type inference with vectorised parallel arrays,new,chak,bug,highest,Compiler
7078,Panic using mixing list with parallel arrays incorrectly,new,chak,bug,normal,Compiler
7713,Panic! make_exp (App _ (Coercion _)) when compiled with -fext-core,new,,bug,normal,External Core
7380,Panic: mkNoTick: Breakpoint loading modules with -O2 via API,new,,bug,normal,GHC API
7736,Parallel array enumeration causes compiler panic (enumFromToP),new,chak,bug,normal,Compiler
7807,"Parse error with ""where"" and file-ending comment",new,,bug,high,Compiler (Parser)
7481,Partially promoted data types,new,,bug,high,Compiler
3472,Porting through .hc files broken,new,--,bug,high,Build System
7753,Profiling report broken with foreign exported functions,new,,bug,normal,Profiling
7189,RTS Assertion Crash,new,simonmar,bug,normal,Runtime System
7771,RTS should provide stg_sel_n_noupd_closure,new,simonpj,bug,normal,Compiler
7398,RULES don't apply to a newtype constructor,new,,bug,normal,Compiler
6017,Reading ./.ghci files raises security issues,new,,task,high,GHCi
7495,Rebindable list syntax?,new,,feature request,normal,Compiler
7828,RebindableSyntax and Arrow,new,,bug,normal,Compiler (Type checker)
7788,Recursive type family causes <<loop>>,new,simonpj,bug,normal,Compiler (Type checker)
7574,Register allocator chokes on certain branches with literals,new,thoughtpolice,bug,high,Compiler (NCG)
7063,Register allocators can't handle non-uniform register sets,new,benl,bug,normal,Compiler (NCG)
7679,Regression in -fregs-graph performance,new,,bug,high,Compiler (NCG)
7450,Regression in optimisation time of functions with many patterns (6.12 to 7.4)?,new,,bug,normal,Compiler
4259,Relax restrictions on type family instance overlap,new,,feature request,normal,Compiler (Type checker)
2725,Remove Hack in compiler/nativeGen/MachCodeGen.hs,new,clemens,bug,high,Compiler (NCG)
4374,Remove in-tree gmp,new,igloo,task,high,Build System
7017,"Rethink need for tarballs under ""friendly"" environment",new,,task,high,Build System
7611,Rewrite rules application prevented by type variable application (map id vs. map (\x -> x)),new,,bug,normal,Compiler
7511,"Room for GHC runtime improvement >~5%, inlining related",new,,bug,normal,Compiler
7635,SafeHaskell implying other options,new,,feature request,normal,Compiler
7625,Semicolon is not handled between imports at the ghci command prompt,new,,bug,normal,GHCi
7307,Share top-level code for strings,new,,bug,normal,Compiler
6101,Show instance for integer-simple is not lazy enough,new,,bug,normal,libraries (other)
7809,Silly error message suggesting LiberalTypeSynonyms,new,,bug,normal,Compiler (Type checker)
7057,Simplifier infinite loop regression,new,simonpj,bug,normal,Compiler
7521,Simplifier ticks exhausted when compiling Accelerate example.,new,,bug,high,Compiler
7501,Some GHCi options are undocummented,new,,bug,high,Documentation
3831,SpecConstr should exploit cases where there is exactly one call pattern,new,simonpj,bug,high,Compiler
7283,Specialise INLINE functions,new,,feature request,normal,Compiler
6124,Spurious non-exhaustive warning with GADT and newtypes,new,,bug,normal,Compiler (Type checker)
7670,StablePtrs should be organized by generation for efficient minor collections,new,,bug,normal,Runtime System
7240,Stack trace truncated too much with indirect recursion,new,nomeata,bug,normal,Profiling
7606,Stride scheduling for Haskell threads with priorities,new,ezyang,feature request,normal,Runtime System
7803,Superclass methods are left unspecialized,new,,bug,normal,Compiler
3977,Support double-byte encodings (Chinese/Japanese/Korean) on Windows,new,batterseapower,feature request,low,libraries/base
7746,Support loading/unloading profiled objects from a profiled executable,new,ezyang,feature request,normal,Runtime System
7371,Supporting old GHC versions in our libraries,new,igloo,task,normal,Build System
7604,"System.Directory.canonicalizePath """" behaviour differs between platforms",new,,bug,normal,libraries/directory
7774,T5313 fails,new,,bug,normal,GHC API
7305,T5975a is broken on Windows,new,,bug,normal,Test Suite
6062,TH treats non-functions in function position inconsistently,new,simonpj,bug,normal,Compiler
7484,Template Haskell allows building invalid record fields/names,new,,bug,normal,Template Haskell
7667,Template Haskell fails to recognize type operator/function +,new,,bug,normal,Template Haskell
4364,Template Haskell: Cycle in type synonym declarations,new,simonpj,bug,high,Compiler (Type checker)
7558,Terrible error message when given and wanted are both insoluble,new,simonpj,bug,normal,Compiler
7298,Test 2228 fails with dynamic-by-default,new,igloo,bug,high,GHCi
7399,Test Posix004 fails in test-suite,new,,bug,normal,libraries/unix
7253,Top-level bindings in ghci,new,,feature request,normal,GHCi
7021,Tuple (and other exotic predicates) not yet handled in Template Haskell,new,,feature request,normal,Template Haskell
7647,UNPACK polymorphic fields,new,simonpj,feature request,normal,Compiler
7593,Unable to print exceptions of unicode identifiers,new,,bug,normal,Compiler
7676,Unify patterns and function bindings,new,,feature request,normal,Compiler
7204,Use a class to control FFI marshalling,new,,feature request,normal,Compiler
7535,Using -with-rtsopts=-N should fail unless -threaded is also specified,new,,bug,normal,Compiler
2283,WIndows: loading objects that refer to DLL symbols,new,,bug,high,GHCi
7169,Warning for incomplete record field label used as function,new,,feature request,normal,Compiler
7373,When building GHC: Failed to load interface for `GHC.Fingerprint',new,,bug,normal,libraries/base
7452,[GNU gold] ld: error: cannot find [...]/Types__1.o,new,,bug,high,Build System
7463,"[PATCH] When -keep-hc-files is enabled, foreign stubs *_stub.c should also be kept.",new,igloo,bug,normal,Compiler
7534,allocateRegsAndSpill: Cannot read from uninitialized register,new,,bug,high,Compiler
7081,arrow analogs of lambda case and multi-way if,new,,feature request,normal,Compiler
7672,boot file entities are sometimes invisible and are not (semantically) unified with corresponding entities in implementing module,new,,bug,normal,Compiler (Type checker)
7779,building GHC overwrites the installed package database if GHC_PACKAGE_PATH is set,new,igloo,bug,normal,Build System
7389,can't link postgresql-libpq on windows,new,,bug,normal,GHCi
7650,can't use combining characters in identifiers,new,,bug,normal,Compiler
7724,cross-compile to iOS,new,,feature request,normal,Compiler
7808,data families and TH names do not mix well (e.g. cannot use TH deriving),new,,feature request,normal,Template Haskell
6098,debugger does not know the correct type for a newtype field,new,,bug,high,GHCi
7459,deriving Generic does not work with TypeLits,new,dreixel,feature request,normal,Compiler
6004,dph-lifted-vseg package doesn't provide Data.Array.Parallel.Prelude.Float module,new,benl,bug,normal,Data Parallel Haskell
7665,dynamicToo001 fails on Windows,new,igloo,bug,normal,Compiler
7926,eventfd: unsupported operation when doing anything,new,,bug,highest,Compiler
7666,excessive space and time usage for rendering (somewhat) deeply nested Docs,new,dterei,bug,normal,libraries/pretty
7782,flag to run the demand analysis a second time,new,nfrisby,task,normal,Compiler
7148,generalized newtype and  type families is unsound,new,simonpj,bug,normal,Compiler (Type checker)
7473,getModificationTime gives only second-level resolution,new,,bug,normal,libraries/directory
7687,ghc panic on TH and deriveJSON,new,,bug,normal,Template Haskell
7296,ghc-7 assumes incoherent instances without requiring language `IncoherentInstances`,new,simonpj,bug,normal,Compiler (Type checker)
6149,ghc-7.4.2 tests for profasm seg-fault under solaris,new,,bug,normal,Compiler
7143,ghc-7.6.0.20120810-x86_64-windows.exe -> ghc can't figure out LLVM version,new,dterei,bug,high,Compiler (LLVM)
7134,ghc-7.6.0.20120810-x86_64-windows.exe -> internal error R_X86_64_PC32,new,igloo,bug,highest,GHCi
7329,ghc-7.6.1 win64: internal error: R_X86_6 4_PC32: High bits are set in WSAGetLastError,new,,bug,normal,GHCi
5442,ghc-pkg unregister --user/--global/--package-conf not normative,new,,bug,high,ghc-pkg
7598,ghc-stage1 generates wrong assembler on StgCmmPrim (operand out of range),new,,bug,high,Compiler
7490,ghc-stage1 panic when building a cross-compiler or cross-building a compiler,new,igloo,bug,high,Compiler
7464,git tag for base-4.6.0.0 missing,new,igloo,bug,normal,libraries/base
7161,hSetNewlineMode and hSetEncoding can be performed on closed and semi-closed handles,new,,bug,normal,libraries/base
7723,iOS patch no 12: Itimer.c doesn't work on iOS,new,,bug,normal,Runtime System
7028,incorrect link paths for in mac os x after install,new,igloo,bug,high,Build System
7833,installed GHC refers to libffi in the build directory,new,igloo,bug,high,Build System
7811,intermittent 'unexpected' results of test ghcpkg01,new,igloo,bug,normal,ghc-pkg
7567,invalidateModSummaryCache throws exception if ms_hs_date is 0,new,,bug,high,Compiler
7066,isInstance does not work for compound types,new,simonpj,bug,normal,Template Haskell
7097,linker fails to load package with binding to foreign library,new,,bug,high,Runtime System
7829,make better/more robust loopbreaker choices,new,,task,normal,Compiler
7285,mkWeakMVar is non-compositional,new,,feature request,normal,Compiler
7787,modifyMVar does not restore value if callback returns error value,new,,bug,high,libraries/base
2528,nub not as reliable as nubBy,new,,bug,normal,libraries/base
5972,option to suppress (Monomorphic) record selector functions,new,igloo,feature request,normal,Compiler
7814,panic in PPC NCG,new,heisenbug,bug,high,Compiler
7437,peculiar behaviour with default instances and type variables,new,simonpj,bug,normal,Compiler
7414,plugins always trigger recompilation,new,,feature request,normal,Compiler
7326,print035(ghci) fails when ghci is dynamic,new,igloo,bug,high,GHCi
7186,problems with typelits  and typenats,new,,bug,normal,Compiler (Type checker)
7379,rangeTest test fails on Windows,new,,bug,normal,libraries/random
7797,re-enable the defun RULE from a SPECIALISE instance pragma,new,,bug,normal,Compiler
5361,regSpill: out of spill slots!,new,,bug,high,Compiler
7477,reifyInstances can't deal with polykinded type families,new,,bug,normal,Compiler
7044,reject reading rationals with exponent notation,new,,bug,normal,Compiler
7374,rule not firing,new,,bug,normal,Compiler
7413,runghc (runhaskell) should be able to reload code on editing,new,,feature request,normal,Compiler
7859,runghc should give an error when the path to ghc is invalid,new,,bug,normal,None
7637,split-objs not supported for ARM,new,,feature request,normal,Compiler
7033,stale .tix files can cause programs built with -fhpc to segfault,new,,bug,normal,Code Coverage
7786,strange errors when deducing constraints,new,simonpj,bug,normal,Compiler
7200,template-haskell-2.7.0.0 fails to build with GHC 7.0.4 due to missing pragma,new,duncan,bug,high,Template Haskell
7698,thread blocked indefinitely in an MVar operation,new,igloo,bug,normal,GHCi
7715,threadDelay causes segfault on Mac if compiled by 32bit GHC,new,,bug,high,Compiler
3647,unify handling and error messages for -X vs. {-#LANGUAGE ...#-} pragmas/extensions,new,igloo,feature request,normal,Compiler (Parser)
7660,warning: conflicting types when compiling via-C,new,igloo,bug,normal,Compiler
7762,when using lots of memory: internal error: evacuate(static): strange closure type 4,new,,bug,normal,Runtime System
910,--make should have a -j flag for parallel building,new,,feature request,normal,Compiler
917,-O introduces space leak,new,,bug,lowest,Compiler
1526,-fobject-code doesn't apply to expressions typed at the prompt,new,,bug,normal,Compiler
1400,:set +r doesn't work for interpreted modules,new,simonmar,bug,normal,GHCi
1687,A faster (^)-function.,new,,bug,normal,Prelude
3021,A way to programmatically insert marks into heap profiling output,new,,feature request,normal,Profiling
1371,Add  -O3,new,,task,normal,Compiler
3353,Add CLDouble support,new,,bug,normal,Compiler
3384,Add HsSyn prettyprinter tests,new,,task,normal,Test Suite
3769,Add manpages for programs installed alongside ghc,new,,feature request,normal,Documentation
1407,Add the ability to :set -l{foo} in .ghci files,new,igloo,feature request,normal,GHCi
1475,Adding imports and exports with Template Haskell,new,,feature request,normal,Template Haskell
2427,Allow compilation of source from stdin,new,,feature request,normal,Compiler
3541,Allow local foreign imports,new,,feature request,normal,Compiler (FFI)
1409,Allow recursively dependent modules transparently (without .hs-boot or anything),new,,feature request,normal,Compiler
2101,Allow some form of type-level lemma,new,,feature request,normal,Compiler
2041,Allow splicing in concrete syntax,new,,feature request,normal,Template Haskell
617,Alpha port,new,,task,normal,Compiler
2180,"Any installed signal handler stops deadlock detection, but XCPU never happens in a deadlock",new,Baughn,feature request,normal,Runtime System
3545,As-patterns for type signatures,new,--,feature request,normal,Compiler (Type checker)
1830,Automatic derivation of Lift,new,,feature request,normal,Template Haskell
4005,Bad behaviour in the generational GC with paraffins -O2,new,,bug,normal,Runtime System
1062,Bad output from Text.PrettyPrint.HughesPJ,new,,bug,normal,libraries/pretty
701,Better CSE optimisation,new,michalt,task,normal,Compiler
2786,Blackhole loops are not detected and reported in GHCi,new,,bug,normal,GHCi
4370,Bring back monad comprehensions,new,,feature request,normal,Compiler
4463,CORE notes break optimisation,new,,bug,low,Compiler
860,CPP fails when a macro is used on a line containing a single quote character,new,,feature request,lowest,Compiler
3557,CPU Vector instructions in GHC.Prim,new,,feature request,normal,Compiler (NCG)
5344,CSE should look through coercions,new,simonpj,feature request,normal,Compiler
5476,Cap memory usage for one thread without disrupting other threads,new,,feature request,normal,Runtime System
5974,"Casts, rules, and parametricity",new,,bug,normal,Compiler
3447,Class restrictions on type instances,new,,feature request,normal,Compiler
3995,Comment delimiters ignored inside compiler pragma,new,,bug,normal,Compiler (Parser)
3814,Compile to more than one (sub)-architecture,new,,feature request,normal,Compiler
3827,Compiling fails on linux-powerpc,new,,bug,normal,Compiler
3577,Complete support for Data Parallel Haskell,new,rl,feature request,normal,Data Parallel Haskell
1928,Confusing type error message,new,,bug,low,Compiler (Type checker)
110,Cygwin binaries,new,,feature request,normal,None
436,Declare large amounts of constant data,new,,feature request,normal,Compiler
3583,Default view patterns,new,,feature request,normal,Compiler
618,Dependency caching in ghc --make,new,,task,normal,Compiler
5466,Documentation for Chan could be better,new,,bug,normal,libraries/base
3081,Double output after Ctrl+C on Windows,new,,bug,normal,Runtime System
5082,Emit warnings when conflicting flags are supplied,new,,feature request,normal,Compiler
2708,Error message should suggest UnboxedTuples language extension,new,,feature request,low,Compiler (Parser)
670,External Core is broken,new,tim,bug,normal,External Core
3971,FFI callback segfaults on PPC,new,,bug,normal,Compiler (FFI)
3178,Fix linking -lpthread for semaphores,new,--,bug,normal,libraries/unix
2456,"For higher kinds, instance declarations need quantification in the context",new,,feature request,normal,Compiler
2926,Foreign exported function returns wrong type,new,,bug,low,Compiler (FFI)
345,GADT - fundep interaction,new,simonpj,bug,low,Compiler (Type checker)
603,GC-spy connection,new,,task,normal,Runtime System
1009,GHC Performance Index,new,,task,normal,Build System
2356,GHC accepts multiple instances for the same type in different modules,new,,bug,low,Compiler
1171,GHC doesn't respect the imprecise exceptions semantics,new,,bug,low,Compiler
5762,GHC gives incorrect warnings with simple applications of the view patterns extension,new,,bug,normal,Compiler
5722,GHC inlines class method forever,new,simonpj,bug,normal,Compiler
5400,GHC loops on compiling with optimizations,new,,bug,normal,Compiler
5448,GHC stuck in infinite loop compiling with optimizations,new,,bug,normal,Compiler
1192,"GHC-only IOErrorType constructors, and is*Error(Type) functions",new,,feature request,low,Compiler
552,GHCi  :m  doesn't restore default decl,new,,bug,lowest,GHCi
95,GHCi :edit command should jump to the the last error,new,,feature request,normal,GHCi
5071,GHCi crashes on large alloca/allocaBytes requests,new,,bug,normal,Compiler
3615,GHCi doesn't allow the use of imported data contructors,new,--,feature request,normal,GHCi
3205,Generalized isomorphic deriving,new,,feature request,normal,Compiler
2841,Ghci + foreign export declarations result in undefined symbols,new,,bug,normal,Compiler (FFI)
3048,Heap size suggestion gets ignored when -G1 flag is passed,new,,bug,normal,Runtime System
2893,"Implement ""Quantified contexts"" proposal",new,,feature request,normal,Compiler
634,Implement a more efficient TArray,new,--,task,normal,Runtime System
7206,Implement cheap build,new,simonpj,bug,normal,Compiler
2895,"Implement the ""Class System Extension"" proposal",new,,feature request,normal,Compiler
307,Implicit Parameters and monomorphism,new,,feature request,low,None
1532,Implicit parameters are not available in breakpoints,new,,feature request,normal,GHCi
1057,Implicit parameters on breakpoints,new,,bug,normal,GHCi
7026,Impredicative implicit parameters,new,,bug,normal,Compiler (Type checker)
2204,Improve 'patterns not matched' warnings,new,,feature request,low,Compiler
7662,Improve GC of mutable objects,new,,feature request,normal,Runtime System
2255,Improve SpecConstr for free variables,new,,bug,normal,Compiler
932,Improve inlining,new,simonpj,task,normal,Compiler
1593,Improve runInteractiveProcess error message when working directory does not exist,new,simonmar,task,low,libraries/process
881,Improve space profiling for references,new,,feature request,normal,Profiling
855,Improvements to SpecConstr,new,,task,normal,Compiler
5041,Incorrect Read deriving for MagicHash constructors,new,,bug,low,Compiler
1176,Infinite loop when printing error message,new,thorkilnaur,bug,low,Compiler
367,Infinite loops can hang Concurrent Haskell,new,ezyang,bug,lowest,Compiler
2607,Inlining defeats selector thunk optimisation,new,,bug,normal,Compiler
229,Integer overflow in array allocation,new,,bug,low,libraries/base
2496,Invalid Eq/Ord instances in Data.Version,new,duncan,bug,normal,libraries/base
960,Lexical call site string,new,,feature request,normal,Compiler
2207,Load the interface details for GHC.* even without -O,new,,feature request,normal,Compiler
5416,Local modules and Template Haskell declaration splices,new,,feature request,normal,Compiler
5324,Locally-scoped RULES,new,,feature request,normal,Compiler
7080,Make RULES and SPECIALISE more consistent,new,,bug,normal,Compiler
1405,Make ghc (stage1) be compilable by non-GHC,new,,task,normal,Compiler
4894,Missing improvement for fun. deps.,new,,feature request,normal,Compiler (Type checker)
1768,More flexible type signatures for data constructors,new,,feature request,low,Compiler
3872,New way to make the simplifier diverge,new,,bug,normal,Compiler
1388,Newbie help features,new,,feature request,low,GHCi
5794,Nofib nightly regressions with pretty graphs,new,dterei,task,normal,NoFib benchmark suite
1168,Optimisation sometimes decreases sharing in IO code,new,,bug,normal,Compiler
605,Optimisation: strict enumerations,new,,task,normal,Compiler
2132,Optimise nested comparisons,new,,bug,normal,Compiler
3919,Or-patterns as GHC extension,new,,feature request,normal,Compiler
5316,Orphan instances strike again: ghc rejects a program at first but will accept it if you repeat the same compilation command,new,,bug,low,Compiler
595,Overhaul GHC's overlapping/non-exhaustive pattern checking,new,,task,normal,Compiler
2233,Overhaul System.Process,new,simonmar,task,normal,libraries/process
4091,Parse error on curried context of instance declaration,new,,feature request,normal,Compiler
6034,Parse error when using ' with promoted kinds,new,,bug,low,Compiler (Parser)
4043,"Parsing of guards, and type signatures",new,,bug,normal,Compiler (Parser)
5144,Pattern synonyms,new,,feature request,normal,Compiler
1158,Problem with GADTs and explicit type signatures,new,simonpj,bug,lowest,Compiler
624,Program location for thread error messages,new,,task,normal,Compiler
368,Provide a Java Backend,new,,feature request,normal,Compiler
1451,Provide way to show the origin of a constraint,new,,feature request,normal,Compiler (Type checker)
1147,Quadratic behaviour in the compacting GC,new,,bug,normal,Runtime System
284,RPM doesn't support --prefix,new,juhp,feature request,normal,Build System
427,Random.StdGen slowness,new,rrnewton,bug,normal,libraries/random
1262,RecursiveDo in Template Haskell,new,,feature request,normal,Template Haskell
2489,Registry keys are created in per-user HKCU instead of system-wide HKLM,new,,bug,normal,None
3490,Relax superclass restrictions,new,,feature request,normal,Compiler
4438,"Rename and register the ""PArr"" language extension when it is judged to be ready",new,benl,task,normal,Data Parallel Haskell
3024,Rewrite hp2ps in Haskell,new,,task,normal,Profiling
3765,"Rules should ""look through"" case binders too",new,,bug,normal,Compiler
3266,Segment fault with WxHaskell and GHC 6.10.2,new,,bug,normal,Compiler
3283,Selective disabling of unused bind warnings,new,,feature request,normal,Compiler
17,Separate warnings for unused local and top-level bindings,new,--,feature request,lowest,Compiler
750,"Set -M, -H, -c and other memory-related values based on available virtual/physical memory",new,,feature request,normal,Runtime System
4941,SpecConstr generates functions that do not use their arguments,new,,task,normal,Compiler
457,Strictness problem,new,,bug,normal,Compiler
6065,Suggested type signature causes a type error (even though it appears correct),new,,bug,normal,Compiler (Type checker)
472,Supertyping of classes,new,,feature request,normal,Compiler (Type checker)
5280,System.Random commits (rand `mod` base) error.,new,rrnewton,bug,normal,libraries/random
5278,System.Random.randomIvalInteger makes invalid assumptions about RandomGen,new,rrnewton,bug,normal,libraries/random
4863,TH crashes if you reify the Name of a dfun,new,simonpj,bug,low,Template Haskell
1480,Template Haskell should allow reification of modules,new,,feature request,normal,Template Haskell
1800,Template Haskell support for running functions defined in the same  module,new,--,feature request,normal,Template Haskell
1444,Template Haskell: add proper support for qualified names in non-splicing applications,new,,feature request,normal,Template Haskell
1476,Template Haskell: splicing types and patterns,new,,bug,low,Template Haskell
2742,The -> in ViewPatterns binds more weakly than infix data constructors.,new,,feature request,normal,Compiler
599,The Front Panel,new,,task,normal,Runtime System
7309,"The Ix instance for (,) leaks space in range",new,,bug,normal,libraries (other)
3620,The seeds generated by split are not independent,new,rrnewton,bug,normal,libraries/random
7602,Threaded RTS performing badly on recent OS X (10.8?),new,thoughtpolice,bug,normal,Runtime System
1614,Type checker does not use functional dependency to avoid ambiguity,new,,bug,normal,Compiler (Type checker)
1308,Type signature in warning is wrong,new,,bug,normal,Compiler
6030,Typeclass constraint should pick the OverloadedString type.,new,,feature request,normal,Compiler
2625,Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields,new,,bug,low,Compiler
3215,Valgrind support,new,,feature request,normal,Runtime System
597,Various error messages have inaccurate source locations,new,,task,low,Compiler
589,Various poor type error messages,new,,bug,low,Compiler (Type checker)
2465,View + Pattern Match not fused sufficiently,new,,bug,low,Compiler
1307,Warning refers to code not in the source,new,,bug,lowest,Compiler
2896,Warning suggestion: argument not necessarily a binary operator,new,,feature request,low,Compiler
5728,Warnings from -fwarn-incomplete-record-updates even with all constructors matched,new,,bug,normal,Compiler
816,Weird fundep behavior (with -fallow-undecidable-instances),new,,bug,normal,Compiler (Type checker)
3601,"When running two or more instances of GHCi, persistent history is only kept for the first one",new,,feature request,normal,GHCi
989,"Windows ""native"" port",new,,task,normal,Compiler
1316,add warning for local type signatures that use the same type variable names as outer type signatures,new,simonpj,feature request,normal,Compiler
1318,add warning for prefix negate operator and flag to replace it with negative numeric literals,new,,feature request,normal,Compiler (Parser)
2917,alloca and allocaArray do not respect alignment,new,,bug,normal,Compiler (FFI)
1404,allow more type signatures,new,,feature request,normal,Compiler (Type checker)
2697,bad testsuite results with ghc-6.10.0.20081007,new,,bug,normal,Compiler
1087,bang patterns with infix ops,new,,bug,normal,Compiler (Parser)
1399,better support for developing threaded applications in ghci,new,,feature request,normal,GHCi
2200,big static random access arrays,new,,feature request,normal,Compiler
3354,binaries built with GHC on Mac OS X 10.5 (Leopard) do not work on 10.4 (Tiger),new,,bug,normal,Build System
2403,caching for runghc (runhaskell),new,jsnx,feature request,normal,Compiler
1921,change default to support extensions that involve a change of syntax,new,,feature request,normal,Compiler
1530,debugging :steps inside TH spliced code need to be bypassed,new,,bug,normal,GHCi
1231,deprecation warnings are reported too often,new,simonpj,feature request,low,Compiler
3134,encodeFloat . decodeFloat,new,,bug,normal,Prelude
3628,exceptions reported to stderr when they propagate past forkIO,new,--,bug,normal,libraries/base
322,fromInteger-related pattern match overlap warnings,new,simonpj,bug,normal,Compiler
393,functions without implementations,new,simonpj,feature request,normal,Compiler (Type checker)
947,ghc -O space leak: CSE between different CAFs,new,,bug,normal,Compiler
1290,ghc runs preprocessor too much,new,,bug,normal,Driver
2182,"ghc sessions (--make, --interactive, ghc api) erroneously retain instances",new,,bug,low,GHCi
3569,ghci can't handle utf-8 chinese char correctly when modify.,new,judah,bug,normal,GHCi
4029,ghci leaks memory when loading a file,new,,bug,normal,GHCi
1201,ghci runs Template Haskell splices 4 times,new,simonpj,bug,low,Template Haskell
1477,ghci shouldn't link entire package,new,,feature request,normal,GHCi
7261,ghci's :info and :browse break encapsulation,new,,feature request,normal,GHCi
806,hGetBufNonBlocking doesn't work on Windows,new,,bug,normal,libraries/base
2628,hIsTerminalDevice returns True for /dev/null (aka NUL) on Windows,new,,bug,normal,libraries/base
1791,heap overflow should generate an exception,new,,feature request,normal,Runtime System
285,hp-ux 11.11 binaries,new,,feature request,normal,None
7291,hp2ps should cope with incomplete data,new,,feature request,normal,Profiling
2057,inconsistent .hi file error gets ignored,new,,bug,normal,Compiler
926,infinite loop in ShutdownIOManager(),new,,bug,lowest,Runtime System
2630,"installed packages should have a src-dirs field, for access to optionally installed sources",new,--,feature request,normal,Package system
1473,isSpace is too slow,new,,bug,normal,libraries/base
1974,"length ""foo"" doesn't work with -XOverloadedStrings",new,,feature request,normal,Compiler
5793,make nofib awesome,new,dterei,task,normal,NoFib benchmark suite
149,missed CSE opportunity,new,,bug,normal,Compiler
3575,mkStdGen and split conspire to make some programs predictable,new,rrnewton,bug,normal,libraries/random
1311,newtypes of unboxed types disallowed - documentation bug and/or feature request,new,,feature request,low,Compiler
2344,oddity with package prefixes for data constructors,new,,feature request,normal,GHCi
3511,port GHC to OpenBSD/sparc64 (unregisterised is fine),new,,task,normal,Compiler
487,powerpc/linux segfaulting binaries,new,,bug,normal,Compiler
2280,randomR too slow,new,rrnewton,bug,normal,libraries/random
5797,readRawBufferPtr cannot be interrupted by exception on Windows with -threaded,new,,bug,normal,libraries/base
3676,realToFrac doesn't sanely convert between floating types,new,,bug,normal,libraries (other)
1831,reify never provides the declaration of variables,new,,bug,normal,Template Haskell
2031,relocation overflow,new,,bug,normal,Compiler
3195,runghc failing sometimes,new,--,bug,normal,None
5957,signatures are too permissive,new,,bug,low,Compiler (Type checker)
3998,strace breaks System.Process(?),new,,bug,normal,libraries/process
728,switch to compacting collection when swapping occurs,new,,feature request,normal,Runtime System
4934,threadWaitRead works incorrectly on nonthreaded RTS,new,,bug,normal,Runtime System
418,throwTo to a thread inside 'block',new,,bug,lowest,Runtime System
1826,unable to list source for <exception thrown> should never occur,new,--,feature request,normal,GHCi
3549,unlit does not follow H98 spec,new,,bug,normal,Compiler
1628,warning(s) for using stolen syntax that's not currently enabled,new,,feature request,low,Compiler
1273,would like to print partial application values when at a breakpoint,new,,feature request,normal,GHCi
5340,wrong warning on incomplete case analysis in conjunction with empty data declarations,new,,bug,lowest,Compiler
7901,Bad error message when using UnicodeSyntax ∀ without ExplicitForall,new,,bug,normal,Compiler
7884,Cannot build hedgewars with new haskell 7.6,new,,bug,normal,Compiler
7870,"Compilatio​n errors break the complexity encapsulat​ion on DSLs, impairs success in industry",new,,feature request,normal,Compiler (Type checker)
7894,Crash on :i M.->,new,,bug,normal,Compiler (Parser)
7849,Error on pattern matching of an existential whose context includes a type function,new,,bug,normal,Compiler (Type checker)
7858,Fix definitions of abs/signum for Floats/Doubles,new,,bug,normal,libraries/base
7842,Incorrect checking of let-bindings in recursive do,new,,bug,normal,Compiler (Type checker)
7885,LLVM build broken,new,,bug,normal,Compiler (LLVM)
7912,Missing symbols from termios.h when linking on Android,new,,bug,normal,libraries/unix
7845,RebindableSyntax should allow rebinding tuples and lists,new,,feature request,normal,Compiler
7918,SrcSpan's associated with expanded quasi-quotes are inconsistent,new,,bug,normal,Compiler
7895,Warning for literal overflow,new,,feature request,normal,Compiler
7883,enable GHC LLVM backend to use LLVM provided CAS / Atomicity primitives?,new,carter,feature request,normal,Compiler
7866,floor (0/0) :: Int is different with -O0 and -O1,new,,bug,normal,Compiler
7835,"ghc --make: allow passign .cmm, .c and .hs files in one command line",new,,feature request,normal,Compiler
7925,ghc 7.4.2 builds with errors on Red Had Enterprise Linux 6,new,,bug,normal,Compiler
7876,hClose002 for ghci hangs on Mac OS X,new,,bug,normal,Compiler
7877,hSetBuffering002(ghci) and hSetBuffering004(ghci) fail on OS X,new,,bug,normal,GHCi
7917,update documentation of InstalledPackageInfo,new,,task,normal,Documentation
7913,Argument order not preserved by nubBy,new,,bug,normal,Prelude
7854,Constrained method type accepted in Haskell 98 mode,new,,bug,normal,Compiler
7862,"Could not deduce (A) from the context (A, ...)",new,,bug,normal,Compiler (Type checker)
7903,Failure to find class instance specified with extra parentheses,new,,bug,normal,Compiler
7904,GHC calls the cc1 of a gcc thats not the first in PATH,new,,bug,normal,Compiler
7908,InstanceSigs suggestion not accepted,new,,bug,normal,Compiler
7897,"MakeTypeRep fingerprints be proper, robust fingerprints",new,,bug,normal,Compiler
7880,"Require ""forall"" in definitions of polymorphic types",new,,bug,normal,Compiler
7898,SpecConstr explodes when compiling module BSP of frag-1.1.2,new,,bug,normal,Compiler
7855,Use optimizer for more information about incomplete pattern matches,new,,feature request,normal,Compiler (Type checker)
7863,Verbosity level for quieter Template Haskell,new,,feature request,normal,Template Haskell
7881,Warning for pointless ranges like [5..2],new,,feature request,normal,Compiler
7922,adding direct *.c -> object code (*.o/so/dylib) support to compilation driver,new,,feature request,normal,Compiler
7874,segfault 11 on mac os x when building compiler for ghc 7.7.20130430,new,,bug,normal,Compiler