id,summary,status,owner,type,priority,component
344,arrow notation: incorrect scope of existential dictionaries,new,ross,bug,lowest,Compiler (Type checker)
602,Warning Suppression,new,,task,lowest,Compiler
609,Useful optimisation for set-cost-centre,new,simonmar,task,normal,Profiling
849,Offer control over branch prediction,new,,feature request,normal,Compiler
888,Implement the static argument transformation,new,,task,normal,Compiler
1012,ghc panic with mutually recursive modules and template haskell,new,,bug,lowest,Template Haskell
1016,Avoidance of unaligned loads is overly conservative,new,,task,lowest,Compiler
1216,Missed opportunity for let-no-esape,new,simonpj,bug,normal,Compiler
1330,Impredicativity bug: Church2 test gives a rather confusing error with the HEAD,new,simonpj,bug,lowest,Compiler (Type checker)
1349,"Generalise the ! and UNPACK mechanism for data types, to unpack function arguments",new,,task,normal,Compiler
1365,-fbyte-code is ignored in a OPTIONS_GHC pragma,new,,feature request,lowest,GHCi
1377,GHCi debugger tasks,new,mnislaih,task,lowest,GHCi
1379,Allow breakpoints and single-stepping for functions defined interactively,new,,feature request,lowest,GHCi
1420,Automatic heap profile intervals,new,,feature request,lowest,Profiling
1466,Stack check for AP_STACK,new,simonmar,bug,normal,Compiler
1487,unix package: test needed for getLoginName,new,adrien,bug,lowest,libraries/unix
1496,Newtypes and type families combine to produce inconsistent FC(X) axiom sets,new,simonpj,bug,normal,Compiler (Type checker)
1498,Optimisation: eliminate unnecessary heap check in recursive function,new,,bug,low,Compiler
1534,"[Debugger] Watch on accesses of ""variables""",new,,feature request,lowest,GHCi
1544,Derived Read instances for recursive datatypes with infix constructors are too inefficient,new,,bug,normal,Compiler
1572,Make it easy to find documentation for GHC and installed packages,new,,task,lowest,Compiler
1574,Broken link testing,new,,feature request,lowest,Documentation
1600,Optimisation: CPR the results of IO,new,,task,lowest,Compiler
1612,GHC_PACKAGE_PATH and $topdir bug,new,--,bug,lowest,Package system
1631,Make the External Package Table contain ModDetails not ModIface,new,,task,lowest,Compiler
1693,Make distclean (still) doesn't,new,igloo,bug,lowest,Build System
1721,Make GHCi print the entire result of an interactive 'bind' statement,new,,feature request,lowest,Compiler
1727,Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression,new,,bug,lowest,Compiler (Parser)
1820,Windows segfault-catching only works for the main thread,new,,bug,lowest,Runtime System
1853,hpc mix files for Main modules overwrite each other,new,AndyGill,bug,lowest,Code Coverage
1880,Unify flag descriptions to generate both docs and code,new,,task,lowest,Compiler
1883,"GHC can't find library using ""short"" name",new,,bug,lowest,Compiler
1885,Improve CPR analysis,new,simonpj,feature request,lowest,Compiler
1894,Add a total order on type constructors,new,,feature request,lowest,Compiler (Type checker)
1965,Allow unconstrained existential contexts in newtypes,new,,feature request,normal,Compiler
2028,STM slightly conservative on write-only transactions,new,,bug,lowest,Compiler
2064,problems with duplicate modules,new,--,bug,lowest,Package system
2075,hpc should render information about the run in its html markup,new,andy@galois.com,feature request,lowest,Code Coverage
2104,Add Labels,new,,feature request,lowest,Compiler
2110,Rules to eliminate casted id's,new,,feature request,lowest,Compiler
2119,explicitly importing deprecated symbols should elicit the deprecation warning,new,,feature request,lowest,Compiler
2123,implement waitForProcess using signals,new,,task,lowest,libraries/process
2135,Warn if functions are exported whose types cannot be written,new,,feature request,lowest,Compiler
2140,cpuTimePrecision is wrong for me on Windows (XP),new,,bug,lowest,libraries/base
2147,unhelpful error message for a misplaced DEPRECATED pragma,new,,bug,lowest,Compiler
2159,Use a more efficient representation than [DynFlag],new,,bug,lowest,Compiler
2161,finaliser of a ForeignPtr called while references from unreachable threads exist,new,,bug,low,Runtime System
2168,ghci should show haddock comments for identifier,new,,feature request,lowest,GHCi
2184,"if findExecutable finds a file that matchs the argument, check if it is an executable",new,,bug,lowest,libraries/directory
2189,hSetBuffering stdin NoBuffering doesn't work on Windows,new,,bug,normal,libraries/base
2215,:disable command to disable breakpoints,new,,feature request,lowest,GHCi
2224,-fhpc inteferes/prevents rewrite rules from firing,new,andy@galois.com,bug,lowest,Code Coverage
2256,Incompleteness of type inference: must quantify over implication constraints,new,simonpj,bug,lowest,Compiler
2258,ghc --cleanup,new,,feature request,lowest,Compiler
2260,Non-ideal error message for misplaced LANGUAGE pragma,new,,bug,lowest,Compiler (Parser)
2269,Word type to Double or Float conversions are slower than Int conversions,new,dons@galois.com,feature request,lowest,Compiler
2273,inlining defeats seq,new,,bug,lowest,Compiler
2289,Needless reboxing of values when returning from a tight loop,new,,bug,lowest,Compiler
2301,Proper handling of SIGINT/SIGQUIT,new,,bug,normal,libraries/process
2333,Emit a warning if an INLINE function is a loop breaker,new,,feature request,lowest,Compiler
2340,Improve Template Haskell error recovery,new,--,feature request,lowest,Template Haskell
2345,":browse limitations (browsing virtual namespaces, listing namespaces)",new,,feature request,lowest,GHCi
2346,Compilation of large source files requires a lot of RAM,new,,bug,lowest,Compiler
2365,Warn about suspicious flags in OPTIONS_GHC pragmas,new,,feature request,lowest,Compiler
2370,num009 fails on OS X 10.5?,new,,bug,lowest,Compiler
2374,MutableByteArray# is slower than Addr#,new,,bug,lowest,Compiler (NCG)
2387,Optimizer misses unboxing opportunity,new,,bug,lowest,Compiler
2401,aborting an STM transaction should throw an exception,new,--,bug,low,Runtime System
2437,More accurate package dependencies,new,--,task,lowest,Package system
2439,Missed optimisation with dictionaries and loops,new,simonpj,bug,lowest,Compiler
2450,"Data.Complex.magnitude squares using ^(2 :: Int), which is slow",new,,bug,lowest,libraries/base
2459,"can't link haskell without ""main"" function, or -no-hs-main broken on windows?",new,,bug,lowest,Driver
2460,provide -mwindows option like gcc,new,,feature request,lowest,Compiler
2514,Add/Expose Binary API that allows dumping of any GHC Binary instance,new,nominolo,feature request,lowest,GHC API
2522,Warning for missing export lists,new,,feature request,lowest,Compiler
2526,warn about missing signatures only for exported functions,new,,feature request,lowest,Compiler
2530,deriving Show adds extra parens for constructor with record syntax,new,,bug,lowest,Compiler
2531,Prune duplicates in ghci history,new,,feature request,lowest,GHCi
2550,Add an option to read file names from a file instead of the command line,new,,feature request,lowest,Compiler
2598,Avoid excessive specialisation in SpecConstr,new,,feature request,lowest,Compiler
2600,Bind type variables in RULES,new,simonpj,feature request,lowest,Compiler
2614,"Enumeration of values for `Sys.Info.os`, `Sys.Info.arch`",new,mjg,feature request,low,libraries/base
2640,Treat -X flags consistently in GHCi,new,,feature request,lowest,Compiler
2641,Revise the rules for -XExtendedDeafultRules,new,,feature request,lowest,Compiler
2642,Improve SpecConstr for join points,new,,bug,lowest,Compiler
2648,Report out of date interface files robustly,new,,feature request,lowest,GHCi
2710,-main-is flag in {-# OPTIONS #-} pragma not fully supported,new,,bug,lowest,Compiler
2721,Newtype deriving doesn't work with type families,new,,feature request,lowest,Compiler
2731,Avoid unnecessary evaluation when unpacking constructors,new,,bug,lowest,Compiler
2737,add :tracelocal to ghci debugger to trace only the expressions in a given function,new,,feature request,lowest,GHCi
2776,Document -pgmL (Use cmd as the literate pre-processor),new,,bug,lowest,Documentation
2803,bring full top level of a module in scope when a breakpoint is hit in the module,new,,feature request,lowest,GHCi
2805,Test ffi009(ghci) fails on PPC Mac OS X,new,,bug,lowest,GHCi
2823,Another arity expansion bug,new,,bug,lowest,Compiler
2836,Data.Typeable does not use qualified names,new,,feature request,lowest,Compiler
2840,Top level string literals,new,,bug,lowest,Compiler
2867,"Make a way to tell GHC that a pragma name should be ""recognised""",new,,bug,lowest,Compiler
2915,Arity is smaller than need be,new,simonpj,bug,lowest,Compiler
2933,LDFLAGS ignored by build system,new,,bug,lowest,Build System
2940,Do CSE after CorePrep,new,simonpj,bug,lowest,Compiler
2945,add command :mergetrace,new,,feature request,lowest,GHCi
2946,tracing should be controled by a global flag,new,,feature request,lowest,GHCi
2950,show breakpoint numbers of breakpoints which were ignored during :force,new,,feature request,lowest,GHCi
2968,add test for C trigraphs,new,kchugalinskiy,task,lowest,Compiler
2986,:info printing instances often isn't wanted,new,Remi,feature request,lowest,GHCi
2988,Improve float-in,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
3000,:break command should recognize also nonexported top level symbols in qualified IDs,new,,feature request,lowest,GHCi
3003,Happy does not reject pragmas,new,,bug,lowest,Build System
3032,would be nice if -fno-code and --make worked together,new,,feature request,lowest,Compiler
3034,divInt# floated into a position which leads to low arity,new,,bug,lowest,Compiler
3052,ghc FFI doesn't support thiscall,new,,feature request,low,Compiler (FFI)
3055,Int / Word / IntN / WordN are unequally optimized,new,,bug,lowest,Compiler
3061,GHC's GC default heap growth strategy is not as good as other runtimes,new,,bug,lowest,Runtime System
3065,Reorder tests in quot to improve code,new,,bug,lowest,libraries/base
3070,floor(0/0) should not be defined,new,squadette,bug,lowest,Prelude
3073,Avoid reconstructing dictionaries in recursive instance methods,new,,bug,lowest,Compiler
3085,warn about language extensions that are not used,new,,feature request,normal,Compiler
3107,Over-eager GC when blocked on a signal in the non-threaded runtime,new,,bug,lowest,Runtime System
3122,Enhance --info,new,duncan,feature request,lowest,Compiler
3123,make INLINE work for recursive definitions (generalized loop peeling/loop unrolling),new,,feature request,lowest,Compiler
3138,Returning a known constructor: GHC generates terrible code for cmonad,new,,bug,lowest,Compiler
3140,(Windows?) GHCi doesn't load hierachical modules,new,,feature request,lowest,GHCi
3184,"package.conf should be under /var, not /usr",new,--,bug,low,Package system
3191,hpc reports spurious results with .lhs files even after processing with ghc -E,new,andy@galois.com,bug,lowest,Code Coverage
3192,Add dynCompileCoreExpr :: GhcMonad m => Bool -> Expr CoreBind -> m Dynamic to ghc-api,new,,feature request,lowest,GHC API
3217,Make GHCi have separate flags for interactive Haskell expressions,new,,feature request,normal,Compiler
3231,Permission denied error with runProcess/openFile,new,simonmar,bug,normal,libraries/base
3238,CInt FFI exports do not use C int in _stub.h header file,new,,bug,lowest,Compiler (FFI)
3242,ghci: can't load .so/.DLL for: m (addDLL: could not load DLL),new,,bug,normal,GHCi
3251,split rts headers into public and private,new,,feature request,lowest,Runtime System
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
3314,Add compilation date to +RTS --info,new,,feature request,lowest,Compiler
3321,-fhpc assumes original sources relative to the current directory,new,,bug,lowest,Compiler
3333,GHCi doesn't load weak symbols,new,,bug,normal,GHCi
3351,Generated ghc man page missing xrefs,new,,bug,lowest,Documentation
3355,Refactor Template Haskell syntax conversions,new,,task,lowest,Compiler
3372,Allow for multiple linker instances,new,,feature request,low,Compiler
3373,GHC API is not thread safe,new,,feature request,low,GHC API
3376,hpc and CPP don't mix on Windows,new,andy@galois.com,bug,lowest,Code Coverage
3379,GHC should use the standard binary package,new,,task,normal,Compiler
3427,control what sort of entity a deprecated pragma applies to,new,,bug,low,Compiler
3452,Show type of most recent expression in GHCi,new,,feature request,lowest,GHCi
3458,Allocation where none should happen,new,,bug,lowest,Compiler
3462,New codegen: allocate large objects using allocateLocal(),new,,task,low,Compiler
3464,Find import declaration importing a certain function,new,,feature request,low,GHCi
3470,OSX installer should give an informative error message when XCode is missing,new,,bug,lowest,Build System
3483,"Some mechanism for eliminating ""absurd"" patterns",new,,feature request,low,Compiler
3509,libffi.so not found on Mac OS X (10.5.8),new,,bug,lowest,Build System
3517,GHC has lots of extra hidden IOErrorType values,new,,bug,low,libraries/base
3533,mac installer package deletes old version of ghc,new,,bug,lowest,Compiler
3543,-fext-core doesn't force recompilation when .hcr file doesn't exist,new,,bug,lowest,Driver
3547,Improve granularity of UndecidableInstances,new,,feature request,low,Compiler
3559,split ghci modules off into their own package,new,,task,low,GHCi
3571,Bizzarely bloated binaries,new,,bug,lowest,Compiler
3588,ghc -M should emit dependencies on CPP headers,new,,bug,low,Compiler
3606,The Ord instance for unboxed arrays is very inefficient,new,,bug,lowest,libraries (other)
3619,allow to set ghc search path globally (a'la CPATH),new,,feature request,low,Compiler
3625,GHCI doesn't work with dtrace on OS X,new,,bug,low,GHCi
3632,"lift restrictions on records with existential fields, especially in the presence of class constraints",new,,feature request,low,Compiler
3645,Layout and pragmas,new,,feature request,low,Compiler (Parser)
3646,Enforce requirement that our repos contains a subset of upstream's patches,new,,task,lowest,Compiler
3649,inconsistent exception between unix/windows for running non-existant program,new,,bug,low,libraries/process
3654,Mach-O GHCi linker lacks support for a range of relocation entries,new,,bug,normal,Runtime System
3693,Show stack traces,new,,feature request,normal,Runtime System
3697,Method selectors aren't floated out of loops,new,,bug,low,Compiler
3698,Bad code generated for zip/filter/filter loop,new,,bug,low,Compiler
3699,Wildcards in type functions,new,,feature request,low,Compiler
3701,allow existential wrapper newtypes,new,,feature request,low,Compiler
3704,Using -shared without -dynamic should be rejected on linux,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
3712,Implement -dynamic-lib option,new,,task,low,Compiler
3713,Track -dynamic/-fPIC to avoid obscure linker errors,new,,task,low,Compiler
3722,Haskeline Iconv needs HAVE_LANGINFO_H,new,--,bug,low,libraries (other)
3725,Annotations not written to interface files,new,,bug,lowest,Compiler
3739,ghc-cabal mishandles relative paths in arguments,new,,bug,low,Build System
3744,Comparisons against minBound/maxBound not optimised,new,,bug,low,Compiler
3753,Make ghci's -l option consistent with GNU ld's -l option,new,,feature request,low,GHCi
3755,Improve join point inlining,new,,task,low,Compiler
3766,Parsing of lambdas is not consistent with Haskell'98 report.,new,,bug,low,Compiler (Parser)
3767,SpecConstr for join points,new,,bug,low,Compiler
3771,haddock: internal error: evacuate: strange closure type 19269,new,,bug,lowest,Compiler
3781,Improve inlining for local functions,new,,bug,lowest,Compiler
3782,"Data Parallel ""Impossible happened"" compiler error",new,benl,bug,low,Data Parallel Haskell
3786,showing function arguments when stopped at its definition,new,,feature request,low,GHCi
3844,Undeprecate #include (in at least some circumstances),new,,bug,low,Compiler (FFI)
3859,Problems with toClockTime on NetBSD,new,,bug,lowest,Compiler
3869,RTS GC Statistics from -S should be logged via the eventlog system,new,,feature request,low,Runtime System
3870,Avoid Haddock-links to the Prelude,new,,feature request,lowest,Documentation
3881,"section parse errors, e.g. ( let x=1 in x + )",new,,bug,low,Compiler (Parser)
3895,"""Fix"" pervasive-but-unnecessary signedness in GHC.Prim",new,,feature request,low,Compiler
3903,"DPH bad sliceP causes RTS panic ""allocGroup: requested zero blocks""",new,benl,bug,low,Data Parallel Haskell
3915,GHC panic; possibly related to mutually recursive modules,new,,bug,lowest,Compiler
3924,Strictness analyser missing useful strictness,new,,bug,low,Compiler
3937,Cannot killThread in listen/accept on Windows threaded runtime,new,,bug,low,Runtime System
3946,Better diagnostic when entering a GC'd CAF,new,,task,low,Runtime System
3960,ghc panic when attempting to compile DPH code,new,rl,bug,lowest,Data Parallel Haskell
3980,System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag,new,,feature request,low,libraries/unix
3984,Handle multiline input in GHCi history,new,,feature request,normal,GHCi
3990,UNPACK doesn't unbox data families,new,,bug,low,Compiler
3996,bug in GHC when compiling HOC (SVN revision 413),new,,bug,lowest,Compiler
4001,Implement an atomic readMVar,new,ezyang,task,low,Runtime System
4012,Compilation results are not deterministic,new,,bug,high,Compiler
4016,Strange display behaviour in GHCi,new,,feature request,low,Compiler
4017,Unhelpful error message in GHCi,new,,bug,lowest,Compiler
4019,deriving Ord can produce incorrect and inefficient instances,new,,bug,low,Compiler
4020,Please consider adding support for local type synonyms,new,,feature request,low,Compiler (Type checker)
4022,GHC Bindist is Broken on FreeBSD/amd64,new,pgj,bug,lowest,libraries (other)
4048,ghc-pkg should check for existence of extra-libraries,new,,bug,low,Package system
4049,Support for ABI versioning of C libraries,new,,bug,low,Build System
4052,Two sided sections,new,,feature request,low,Compiler
4081,Strict constructor fields inspected in loop,new,benl,bug,low,Compiler
4092,Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64#,new,,feature request,normal,Compiler
4096,New primops for indexing: index*OffAddrUsing# etc,new,,feature request,low,Compiler
4101,Primitive constant unfolding,new,,bug,low,Compiler
4102,Bit manipulation built-ins,new,,feature request,normal,libraries/base
4105,ffi005 fails on OS X,new,,bug,low,Compiler
4114,Add a flag to remove/delete intermediate files generated by GHC,new,,feature request,low,Compiler
4121,Refactor the plumbing of CafInfo to make it more robust,new,,bug,low,Compiler
4124,GHC rejects instance quotations with splices in the instance head,new,,bug,low,Template Haskell
4128,Can't capture classes inside a template haskell type quotation,new,,feature request,low,Template Haskell
4135,Can't Quote Instance Associated Types in Template Haskell,new,,bug,low,Template Haskell
4140,dynHelloWorld(dyn) fails in an unreg build,new,,bug,low,Compiler
4150,CPP+QuasiQuotes confuses compilation errors' line numbers,new,,bug,low,Compiler (Parser)
4162,GHC API messes up signal handlers,new,,bug,low,GHC API
4170,"Invalid ""duplicate instance"" error",new,,bug,low,Template Haskell
4176,reject unary minus in infix left hand side function bindings that resolve differently as expressions,new,,bug,low,Compiler
4180,do not consider associativity for unary minus for fixity resolution,new,,feature request,low,Compiler (Parser)
4196,add more stolen syntax to the user guide,new,,task,low,Documentation
4210,LLVM: Dynamic Library Support,new,dterei,feature request,low,Compiler (LLVM)
4211,LLVM: Stack alignment on OSX,new,dterei,task,normal,Compiler (LLVM)
4213,LLVM: Add support for TNTC to LLVM compiler suite,new,dterei,feature request,low,Compiler (LLVM)
4215,canonicalizePath behaves strangely with paths that do not exist,new,,bug,low,libraries/directory
4218,System.Random is way too lazy,new,rrnewton,bug,low,Compiler
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
4245,ghci panic: thread blocked indefinitely in an MVar operation,new,tibbe,bug,high,GHCi
4267,Strictness analyser is to conservative about passing a boxed parameter,new,,bug,low,Compiler
4268,Annotation extension needs a flag,new,,bug,normal,Compiler
4281,Make impredicativity work properly,new,simonpj,task,low,Compiler
4288,Poor -fspec-constr-count=n warning messages,new,,bug,low,Compiler
4295,Review higher-rank and impredicative types,new,simonpj,bug,normal,Compiler
4296,The dreaded SkolemOccurs problem,new,simonpj,bug,low,Compiler
4301,Optimisations give bad core for foldl' (flip seq) (),new,,bug,low,Compiler
4308,LLVM compiles Updates.cmm badly,new,,bug,low,Compiler (LLVM)
4316,"Interactive ""do"" notation in GHCi",new,,feature request,low,GHCi
4329,GHC.Conc modifyTVar primitive,new,,feature request,low,Compiler
4340,Add alignment to hsc2hs template,new,,feature request,low,Compiler (FFI)
4347,Bug in unification of polymorphic and not-yet-polymorphic type,new,,bug,normal,Compiler (Type checker)
4366,in-tree GMP build problem with shared libraries,new,,bug,low,Build System
4372,Extending quasiquotation support,new,,bug,normal,Template Haskell
4385,Type-level natural numbers,new,diatchki,feature request,normal,Compiler (Type checker)
4413,(^^) is not correct for Double and Float,new,tcsavage,bug,low,libraries/base
4426,Simplify the rules for implicit quantification,new,,feature request,low,Compiler
4428,Local functions lose their unfoldings,new,,bug,low,Compiler
4429,Ability to specify the namespace in mkName,new,reinerp,feature request,low,Template Haskell
4440,time004 fails depending on the date,new,,bug,low,Test Suite
4442,Add unaligned version of indexWordArray#,new,,feature request,low,libraries (other)
4451,Re-linking avoidance is too aggressive,new,simonmar,bug,normal,Compiler
4453,Allow specifying .hi files of imports on command line in batch mode,new,,feature request,low,Compiler
4459,Polymorphic Data.Dynamic,new,vivian,feature request,low,GHC API
4466,Add extension for type application,new,,feature request,low,Compiler
4470,Loop optimization: identical counters,new,,feature request,normal,Compiler
4471,Incorrect Unicode output on Windows Console,new,,bug,low,Compiler
4479,Add Type Directed Name Resolution,new,,feature request,low,Compiler (Type checker)
4505,Segmentation fault on long input (list of pairs),new,,bug,low,Compiler
4520,"startup code on Windows should use SetDllDirectory("""")",new,,feature request,low,Runtime System
4800,Memory Leak when Compiling qtHaskell,new,,bug,low,Compiler
4806,Make error message more user friendly when module is not found because package is unusable,new,,feature request,low,Compiler
4815,Instance constraints should be used when deriving on associated data types,new,,feature request,low,Compiler
4823,Loop strength reduction for array indexing,new,,feature request,low,Compiler
4824,Windows: Dynamic linking doesn't work out-of-the-box,new,,bug,low,Runtime System
4831,Too many specialisations in SpecConstr,new,rl,bug,low,Data Parallel Haskell
4833,Finding the right loop breaker,new,,bug,low,Compiler
4836,literate markdown not handled correctly by unlit,new,,bug,low,Compiler
4837,Template Haskell does not work in a profiled compiler.,new,,bug,low,Profiling
4846,Newtype derving used wrongly,new,,bug,low,Compiler
4861,Documentation for base does not include special items,new,,bug,low,libraries/base
4896,Deriving Data does not work for attached code,new,,bug,low,Compiler
4899,"Non-standard compile plus Template Haskell produces spurious ""unknown symbol"" linker error",new,simonmar,bug,low,Compiler
4900,DEPENDS pragma,new,,feature request,normal,Compiler
4913,Make event tracing conditional on an RTS flag only,new,,feature request,low,Runtime System
4921,report ambiguous type variables more consistently,new,,feature request,low,Compiler (Type checker)
4931,hsc2hs emits invalid OPTIONS_GHC pragmas,new,,bug,low,hsc2hs
4937,"Remove indirections caused by sum types, such as Maybe",new,,feature request,normal,Compiler
4938,Core2 CPU not detected correctly,new,,bug,low,Compiler
4942,GHC.ConsoleHandler does not call back application when Close button is pressed,new,,bug,low,GHC API
4955,increase error message detail for module lookups failure due to hi references,new,,bug,low,Compiler
4959,Warning about variables with leading underscore that are used anyway,new,,feature request,low,Compiler (Parser)
4960,Better inlining test in CoreUnfold,new,,bug,low,Compiler
4980,Warning about module abbreviation clashes,new,,feature request,low,Compiler
4985,Improve locations in ghci errors,new,,bug,low,Compiler
5013,sporadic failures during compilation under solaris,new,,bug,low,Compiler
5014,canonicalizePath throws exception on paths that do not exist,new,,bug,low,libraries/directory
5016,Make Template Haskell: -ddump-splices generate executable code,new,,feature request,low,Template Haskell
5059,Pragma to SPECIALISE on value arguments,new,,feature request,low,Compiler
5062,Patch: Debug output for OS X linker and coding standard upgrades,new,,bug,low,Runtime System
5063,unix package has untracked dependency on libbsd,new,,bug,low,libraries/unix
5073,Add blockST for nested ST scopes,new,,bug,low,Compiler
5075,CPR optimisation for sum types if only one constructor is used,new,simonpj,feature request,normal,Compiler
5108,Allow unicode sub/superscript symbols in both identifiers and operators,new,,feature request,normal,Compiler (Parser)
5140,Fix LLVM backend for PowerPC,new,erikd,task,low,Compiler (LLVM)
5142,stub header files don't work with the MS C compiler,new,simonmar,bug,low,Compiler
5143,Soft heap limit flag,new,simonmar,task,normal,Runtime System
5158,Update .git-ignore in all the repos,new,pcapriotti,task,low,Compiler
5171,Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement,new,,feature request,low,Compiler
5188,Runtime error when allocating lots of memory,new,,bug,low,GHCi
5190,TinyCoreLinux extension,new,,bug,low,Build System
5197,Support static linker semantics for archives and weak symbols,new,,feature request,low,Runtime System
5202,Docs on strictness info out of date,new,,bug,low,Documentation
5209,^C doesn't correctly reset the prompt from within multiline commands in ghci,new,,bug,low,GHCi
5219,need a version of hs_init that returns an error code for command-line errors,new,,feature request,low,Runtime System
5224,Improve consistency checking for family instances,new,simonpj,bug,low,Compiler
5239,"Em-dash for ""--"" with UnicodeSyntax.",new,,feature request,normal,Compiler (Parser)
5248,Infer type context in a type signature,new,,feature request,low,Compiler (Type checker)
5251,copyFile does not copy metadata,new,,bug,low,libraries/directory
5262,Compiling with -O makes some expressions too lazy and causes space leaks,new,,bug,low,Compiler
5266,Licensing requirements and copyright notices,new,,feature request,low,None
5267,Missing type checks for arrow command combinators,new,ross,bug,low,Compiler (Type checker)
5273,error and undefined should print a location,new,,feature request,low,Compiler
5288,Less noisy version of -fwarn-name-shadowing,new,,feature request,low,Compiler
5289,Can't use ghci with a library linked against libstdc++,new,,bug,normal,GHCi
5291,GhcDynamic build fails on Windows: can't find DLLs,new,,bug,low,Build System
5292,libHSghc exports more symbols than Windows can handle,new,,bug,low,Compiler
5296,Add explicit type applications,new,,feature request,low,Compiler (Type checker)
5298,Inlined functions aren't fully specialised,new,,bug,low,Compiler
5302,Unused arguments in join points,new,simonpj,bug,low,Compiler
5305,crash after writing around 40 gigabytes to stdout,new,,bug,low,Compiler
5308,Generalize -msse2 command line flag to -msse<version number>,new,,feature request,low,Compiler
5320,check_overlap panic (7.1 regression),new,simonpj,bug,normal,Compiler
5326,Polymorphic instances aren't automatically specialised,new,simonpj,bug,low,Compiler
5333,Arrow command combinators and infixr cause the desugarer to fail,new,ross,bug,low,Compiler (Parser)
5355,Link plugins against existing libHSghc,new,,bug,normal,Compiler
5364,Access RTS flag values from inside Haskell programs,new,,feature request,normal,libraries/base
5369,Reinstate VECTORISE pragmas with expressions as right-hand sides,new,chak,bug,normal,Data Parallel Haskell
5376,Quotation in System.Process.system for Windows,new,,bug,low,libraries/process
5378,unreg compiler: warning: conflicting types for built-in function ‘memcpy’,new,,bug,low,Compiler
5387,ffi/should_run fptr02 fails on OS X amd64,new,,bug,low,Compiler
5388,ghcilink003 and ghcilink006 fail on OSX,new,,bug,low,Compiler
5392,Warnings about impossible MPTCs would be nice,new,,feature request,normal,Compiler
5401,LANGUAGE pragma parser nit,new,igloo,bug,normal,Compiler (Parser)
5412,dataTypeConstrs gives unhelpful error message,new,,bug,normal,libraries/base
5429,Docase notation as GHC extension,new,tomasp,feature request,normal,Compiler
5443,Errors when shutting down the event manager loop,new,tibbe,bug,normal,Compiler
5444,Slow 64-bit primops on 32 bit system,new,,bug,normal,Compiler
5462,Deriving clause for arbitrary classes,new,,feature request,normal,Compiler
5463,SPECIALISE pragmas generated from Template Haskell are ignored,new,,bug,normal,Template Haskell
5467,Template Haskell: support for Haddock comments,new,,feature request,normal,Template Haskell
5470,The DPH library needs to support PData and PRepr instances for more than 15-tuples,new,chak,bug,normal,Data Parallel Haskell
5495,simple program fails with -shared on mac,new,,bug,low,Compiler
5498,Generalized newtype deriving allows creating of instances I can't create by hand,new,,bug,normal,Compiler
5522,mc03 -O -fliberate-case -fspec-constr runs out of memory,new,simonpj,bug,normal,Compiler
5537,ghc doesn't find libffi.so.5 in testsuite,new,,bug,low,Test Suite
5539,GHC panic -  Simplifier ticks exhausted,new,simonpj,bug,high,Compiler
5542,"also parse class/instance declarations as ""HEAD <= CONTEXT where""",new,,feature request,normal,Compiler (Parser)
5550,GHC infinite loop when compiling vector,merge,,bug,low,Compiler
5556,Support pin-changing on ByteArray#s,new,,feature request,normal,Compiler
5567,LLVM: Improve alias analysis / performance,new,dterei,task,normal,Compiler (LLVM)
5578,write access permission of binary result different on OpenBSD,new,igloo,bug,low,Test Suite
5590,"""guarded instances"": instance selection can add extra parameters to the class",new,simonpj,feature request,normal,Compiler (Type checker)
5608,Fix T3807 for Mac OS X 10.5,new,,bug,low,Test Suite
5615,ghc produces poor code for `div` with constant powers of 2.,new,daniel.is.fischer,bug,normal,Compiler
5619,Shorter qualified import statements,new,,feature request,normal,Compiler
5620,Dynamic linking and threading does not work on Windows,new,igloo,bug,high,Runtime System
5630,External Core needs love,new,,bug,normal,Compiler
5641,The -L flag should not exist,new,,bug,normal,Profiling
5642,Deriving Generic of a big type takes a long time and lots of space,new,dimitris,bug,high,Compiler
5645,Sharing across functions causing space leak,new,,bug,normal,Compiler
5646,Initialise tuples using pragmas,new,chak,bug,normal,Data Parallel Haskell
5647,"CLI option to silence ""Loading package foo ... linking ... done"" output",new,,feature request,normal,Compiler
5654,Profiling semantics bug,new,simonmar,bug,low,Profiling
5666,Can't use writeFile to write unicode characters.,new,,bug,normal,libraries (other)
5672,parBufferWHNF could be less subtle,new,duncan,feature request,normal,libraries (other)
5682,Properly parse kind operators (from promoted type operators),new,dreixel,bug,low,Compiler
5687,Friendly Interface for auto-completion of GHCi,new,,feature request,normal,GHCi
5692,Source code with large floating constants in exponential notation cannot be compiled,new,pcapriotti,bug,normal,Compiler
5702,Can't vectorise pattern matching on numeric literals,new,chak,bug,normal,Data Parallel Haskell
5724,Confusing warning message for incomplete patterns,new,,bug,normal,Compiler
5757,zero unexpected failures on all tier 1 platforms,new,,task,highest,Test Suite
5761,Getting stdout and stderr as a single handle from createProcess does not work on Windows,new,,bug,normal,libraries/process
5763,Confusing error message,new,simonpj,bug,high,Compiler
5775,Inconsistency in demand analysis,new,,bug,normal,Compiler
5777,core lint error with arrow notation and GADTs,new,ross,bug,normal,Compiler
5786,Dynanmic way fails when GHC built with LLVM backend,new,dterei,bug,normal,Compiler (LLVM)
5787,Add instances to ZipList,patch,,feature request,normal,libraries/base
5791,"Defer other kinds of errors until runtime, not just type errors",new,,task,normal,Compiler
5807,DPH library functions don't work without -fvectorise.,new,benl,bug,normal,Data Parallel Haskell
5809,Arity analysis could be better,new,simonpj,bug,normal,Compiler
5813,Offer a compiler warning for failable pattern matches,new,,feature request,normal,Compiler
5821,SPECIALISE fails with a cryptic warning,new,,bug,normal,Compiler
5823,FFI and CAPI needs {-# INCLUDE #-} back?,new,,feature request,normal,Compiler
5827,/usr/local hard-coded in cabal,new,duncan,bug,normal,libraries (other)
5834,Allow both INLINE and INLINABLE for the same function,new,,feature request,normal,Compiler
5835,Make better use of known dictionaries,new,,feature request,normal,Compiler
5840,Extend the supported environment sizes of vectorised closures,new,chak,bug,normal,Data Parallel Haskell
5841,seg fault in ghci but not ghc when using chart-gtk code,new,,bug,normal,Compiler
5844,Panic on generating Core code,new,,bug,normal,External Core
5850,Greater customization of GHCi prompt,new,,feature request,normal,GHCi
5859,unsafeInterleaveIO duplicates computation when evaluated by multiple threads,new,simonpj,bug,high,libraries/base
5861,bytestring: incorrect documentation for hGetContents,new,duncan,bug,normal,libraries (other)
5889,-fno-prof-count-entries leads to linking errors,new,,bug,normal,Compiler
5898,ghc: internal error: Invalid Mach-O file,new,,bug,normal,Compiler
5907,Crashed loading package Safe,new,,bug,normal,Package system
5909,Segfault with multi-threaded retainer profiling,merge,simonmar,bug,high,Runtime System
5916,runST isn't free,new,,bug,normal,Compiler
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
5924,Bad Cmm generated for updating one element in Array#,new,,bug,normal,Compiler
5925,Add inline version of newArray#,new,,feature request,normal,Compiler
5927,"A type-level ""implies"" constraint on Constraints",new,,feature request,normal,Compiler (Type checker)
5928,INLINABLE fails to specialize in presence of simple wrapper,new,,bug,normal,Compiler
5942,implement POSIX confstr() in System/Posix/Unistd.hsc,new,,feature request,normal,libraries/unix
5954,Performance regression 7.0 -> 7.2 (still in 7.4),new,simonpj,bug,high,Compiler
5959,Top level splice in Template Haskell has over-ambitious lexical scope?,new,,bug,low,Compiler
5966,getAppUserDataDirectory does not respect XDG specification,new,,bug,normal,libraries/directory
5982,Incorrect dynamic library name in OSX,new,,bug,normal,libraries/base
5983,Libraries installed in wrong place,new,,bug,normal,libraries/base
5985,Type operators are not accepted as variables in contexts,new,,bug,normal,Compiler
6016,"On Windows, runhaskell hits an error on UTF-8 files with a BOM",new,,bug,normal,Compiler (Parser)
6047,GHC retains unnecessary binding,new,simonpj,bug,normal,Compiler
6079,SEH exception handler not implemented on Win64,new,,bug,normal,Runtime System
6087,Join points need strictness analysis,new,,bug,normal,Compiler
6113,Profiling with -p not written if killed with SIGTERM,new,,bug,normal,Profiling
6166,Performance regression in mwc-random since 7.0.x,new,,bug,high,Compiler
7043,32-bit GHC ceiling of negative float SEGFAULT: 11,new,igloo,bug,high,Compiler
7045,The `Read` instance of `Rational` does not support decimal notation,new,,bug,normal,libraries/base
7056,"GHCi loadArchive ""libiconv.a"":failed Unknown PEi386 section name `.drectve'",new,,bug,high,GHCi
7103,"Compiler panic, when loading wxc in GHCi",new,,bug,high,GHCi
7105,Better names for derived SCCs of instances,new,simonmar,feature request,normal,Profiling
7243,regression: acceptable foreign result types,new,igloo,bug,normal,Compiler (FFI)
7277,Recompilation check fails for TH unless functions are inlined,new,,bug,high,Template Haskell
7316,GHC segfaults on ARM,new,,bug,high,Compiler
7320,GHC crashes when building on 32-bit Linux in a Linode,new,simonmar,bug,high,Runtime System
7325,threadDelay mistreats minBound and maxBound in some configurations,new,,bug,high,Runtime System
7388,CAPI doesn't work with ghci,new,igloo,bug,normal,GHCi
7636,threadStackUnderflow: not enough space for return values,merge,simonmar,bug,high,Compiler