id summary owner type priority component version 5787 Add instances to ZipList feature request normal libraries/base 7.2.2 5550 GHC infinite loop when compiling vector bug low Compiler 7.2.1 5909 Segfault with multi-threaded retainer profiling simonmar bug high Runtime System 7.4.1 7636 threadStackUnderflow: not enough space for return values simonmar bug high Compiler 7.6.2 2721 Newtype deriving doesn't work with type families feature request lowest Compiler 6.10.1 2776 Document -pgmL (Use cmd as the literate pre-processor) bug lowest Documentation 6.10.1 2823 Another arity expansion bug bug lowest Compiler 6.10.1 2836 Data.Typeable does not use qualified names feature request lowest Compiler 6.10.1 2840 Top level string literals bug lowest Compiler 6.10.1 2867 "Make a way to tell GHC that a pragma name should be ""recognised""" bug lowest Compiler 6.10.1 2915 Arity is smaller than need be simonpj bug lowest Compiler 6.10.1 2933 LDFLAGS ignored by build system bug lowest Build System 6.10.1 2940 Do CSE after CorePrep simonpj bug lowest Compiler 6.10.1 2945 add command :mergetrace feature request lowest GHCi 6.10.1 2946 tracing should be controled by a global flag feature request lowest GHCi 6.10.1 2950 show breakpoint numbers of breakpoints which were ignored during :force feature request lowest GHCi 6.10.1 2968 add test for C trigraphs kchugalinskiy task lowest Compiler 6.10.1 2986 :info printing instances often isn't wanted Remi feature request lowest GHCi 6.10.1 2988 Improve float-in bug lowest Compiler 6.10.1 2991 .mix files generation broken with -fhpc and --make flags with lhs modules andy@galois.com bug lowest Code Coverage 6.10.1 3000 :break command should recognize also nonexported top level symbols in qualified IDs feature request lowest GHCi 6.10.1 3003 Happy does not reject pragmas bug lowest Build System 6.10.1 3034 divInt# floated into a position which leads to low arity bug lowest Compiler 6.10.1 3052 ghc FFI doesn't support thiscall feature request low Compiler (FFI) 6.10.1 3061 GHC's GC default heap growth strategy is not as good as other runtimes bug lowest Runtime System 6.10.1 3065 Reorder tests in quot to improve code bug lowest libraries/base 6.10.1 3070 floor(0/0) should not be defined squadette bug lowest Prelude 6.10.1 3073 Avoid reconstructing dictionaries in recursive instance methods bug lowest Compiler 6.10.1 3085 warn about language extensions that are not used feature request normal Compiler 6.10.1 3107 Over-eager GC when blocked on a signal in the non-threaded runtime bug lowest Runtime System 6.10.1 3122 Enhance --info duncan feature request lowest Compiler 6.10.1 3138 Returning a known constructor: GHC generates terrible code for cmonad bug lowest Compiler 6.10.1 3140 (Windows?) GHCi doesn't load hierachical modules feature request lowest GHCi 6.10.1 3321 -fhpc assumes original sources relative to the current directory bug lowest Compiler 6.10.1 3184 package.conf should be under /var, not /usr -- bug low Package system 6.10.2 3191 hpc reports spurious results with .lhs files even after processing with ghc -E andy@galois.com bug lowest Code Coverage 6.10.2 3192 Add dynCompileCoreExpr :: GhcMonad m => Bool -> Expr CoreBind -> m Dynamic to ghc-api feature request lowest GHC API 6.10.2 3217 Make GHCi have separate flags for interactive Haskell expressions feature request normal Compiler 6.10.2 3251 split rts headers into public and private feature request lowest Runtime System 6.10.2 3282 How to start an emacs editor within ghci asynchronously with :edit filename.hs :set editor emacs & don't go feature request lowest GHCi 6.10.2 3314 Add compilation date to +RTS --info feature request lowest Compiler 6.10.2 3351 Generated ghc man page missing xrefs bug lowest Documentation 6.10.3 3355 Refactor Template Haskell syntax conversions task lowest Compiler 6.10.3 3231 Permission denied error with runProcess/openFile simonmar bug normal libraries/base 6.10.4 3333 GHCi doesn't load weak symbols bug normal GHCi 6.10.4 3376 hpc and CPP don't mix on Windows andy@galois.com bug lowest Code Coverage 6.10.4 3379 GHC should use the standard binary package task normal Compiler 6.10.4 3427 control what sort of entity a deprecated pragma applies to bug low Compiler 6.10.4 3452 Show type of most recent expression in GHCi feature request lowest GHCi 6.10.4 3458 Allocation where none should happen bug lowest Compiler 6.10.4 3464 Find import declaration importing a certain function feature request low GHCi 6.10.4 3470 OSX installer should give an informative error message when XCode is missing bug lowest Build System 6.10.4 3483 "Some mechanism for eliminating ""absurd"" patterns" feature request low Compiler 6.10.4 3533 mac installer package deletes old version of ghc bug lowest Compiler 6.10.4 3543 -fext-core doesn't force recompilation when .hcr file doesn't exist bug lowest Driver 6.10.4 3547 Improve granularity of UndecidableInstances feature request low Compiler 6.10.4 3559 split ghci modules off into their own package task low GHCi 6.10.4 3571 Bizzarely bloated binaries bug lowest Compiler 6.10.4 3588 ghc -M should emit dependencies on CPP headers bug low Compiler 6.10.4 3606 The Ord instance for unboxed arrays is very inefficient bug lowest libraries (other) 6.10.4 3619 allow to set ghc search path globally (a'la CPATH) feature request low Compiler 6.10.4 3625 GHCI doesn't work with dtrace on OS X bug low GHCi 6.10.4 3632 lift restrictions on records with existential fields, especially in the presence of class constraints feature request low Compiler 6.10.4 3645 Layout and pragmas feature request low Compiler (Parser) 6.10.4 3646 Enforce requirement that our repos contains a subset of upstream's patches task lowest Compiler 6.10.4 3649 inconsistent exception between unix/windows for running non-existant program bug low libraries/process 6.10.4 3693 Show stack traces feature request normal Runtime System 6.10.4 3699 Wildcards in type functions feature request low Compiler 6.10.4 3701 allow existential wrapper newtypes feature request low Compiler 6.10.4 3711 Bad error reporting when calling a function in a module which depends on a DLL on Windows -- bug lowest Runtime System 6.10.4 3713 Track -dynamic/-fPIC to avoid obscure linker errors task low Compiler 6.10.4 3766 Parsing of lambdas is not consistent with Haskell'98 report. bug low Compiler (Parser) 6.10.4 3996 bug in GHC when compiling HOC (SVN revision 413) bug lowest Compiler 6.10.4 4114 Add a flag to remove/delete intermediate files generated by GHC feature request low Compiler 6.10.4 2805 Test ffi009(ghci) fails on PPC Mac OS X bug lowest GHCi 6.11 3055 Int / Word / IntN / WordN are unequally optimized bug lowest Compiler 6.11 3123 make INLINE work for recursive definitions (generalized loop peeling/loop unrolling) feature request lowest Compiler 6.11 3238 CInt FFI exports do not use C int in _stub.h header file bug lowest Compiler (FFI) 6.11 3462 New codegen: allocate large objects using allocateLocal() task low Compiler 6.11 3509 libffi.so not found on Mac OS X (10.5.8) bug lowest Build System 6.11 3753 Make ghci's -l option consistent with GNU ld's -l option feature request low GHCi 6.12.1 3755 Improve join point inlining task low Compiler 6.12.1 3767 SpecConstr for join points bug low Compiler 6.12.1 3771 haddock: internal error: evacuate: strange closure type 19269 bug lowest Compiler 6.12.1 3781 Improve inlining for local functions bug lowest Compiler 6.12.1 3782 "Data Parallel ""Impossible happened"" compiler error" benl bug low Data Parallel Haskell 6.12.1 3786 showing function arguments when stopped at its definition feature request low GHCi 6.12.1 3844 Undeprecate #include (in at least some circumstances) bug low Compiler (FFI) 6.12.1 3859 Problems with toClockTime on NetBSD bug lowest Compiler 6.12.1 3869 RTS GC Statistics from -S should be logged via the eventlog system feature request low Runtime System 6.12.1 3870 Avoid Haddock-links to the Prelude feature request lowest Documentation 6.12.1 3881 section parse errors, e.g. ( let x=1 in x + ) bug low Compiler (Parser) 6.12.1 3915 GHC panic; possibly related to mutually recursive modules bug lowest Compiler 6.12.1 3924 Strictness analyser missing useful strictness bug low Compiler 6.12.1 3937 Cannot killThread in listen/accept on Windows threaded runtime bug low Runtime System 6.12.1 3946 Better diagnostic when entering a GC'd CAF task low Runtime System 6.12.1 3960 ghc panic when attempting to compile DPH code rl bug lowest Data Parallel Haskell 6.12.1 3980 System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag feature request low libraries/unix 6.12.1 3984 Handle multiline input in GHCi history feature request normal GHCi 6.12.1 4124 GHC rejects instance quotations with splices in the instance head bug low Template Haskell 6.12.1 4128 Can't capture classes inside a template haskell type quotation feature request low Template Haskell 6.12.1 4135 Can't Quote Instance Associated Types in Template Haskell bug low Template Haskell 6.12.1 4955 increase error message detail for module lookups failure due to hi references bug low Compiler 6.12.1 5188 Runtime error when allocating lots of memory bug low GHCi 6.12.1 3712 Implement -dynamic-lib option task low Compiler 6.12.1 RC1 3722 Haskeline Iconv needs HAVE_LANGINFO_H -- bug low libraries (other) 6.12.1 RC1 3654 Mach-O GHCi linker lacks support for a range of relocation entries bug normal Runtime System 6.13 3697 Method selectors aren't floated out of loops bug low Compiler 6.13 3698 Bad code generated for zip/filter/filter loop bug low Compiler 6.13 3725 Annotations not written to interface files bug lowest Compiler 6.13 3744 Comparisons against minBound/maxBound not optimised bug low Compiler 6.13 3903 "DPH bad sliceP causes RTS panic ""allocGroup: requested zero blocks""" benl bug low Data Parallel Haskell 6.13 4019 deriving Ord can produce incorrect and inefficient instances bug low Compiler 6.13 4022 GHC Bindist is Broken on FreeBSD/amd64 pgj bug lowest libraries (other) 6.13 4081 Strict constructor fields inspected in loop benl bug low Compiler 6.13 4210 LLVM: Dynamic Library Support dterei feature request low Compiler (LLVM) 6.13 4211 LLVM: Stack alignment on OSX dterei task normal Compiler (LLVM) 6.13 4213 LLVM: Add support for TNTC to LLVM compiler suite dterei feature request low Compiler (LLVM) 6.13 4267 Strictness analyser is to conservative about passing a boxed parameter bug low Compiler 6.13 4288 Poor -fspec-constr-count=n warning messages bug low Compiler 6.13 4308 LLVM compiles Updates.cmm badly bug low Compiler (LLVM) 6.13 4366 in-tree GMP build problem with shared libraries bug low Build System 6.13 344 arrow notation: incorrect scope of existential dictionaries ross bug lowest Compiler (Type checker) 6.4 849 Offer control over branch prediction feature request normal Compiler 6.4.2 888 Implement the static argument transformation task normal Compiler 6.4.2 1016 Avoidance of unaligned loads is overly conservative task lowest Compiler 6.6 1216 Missed opportunity for let-no-esape simonpj bug normal Compiler 6.6 1349 Generalise the ! and UNPACK mechanism for data types, to unpack function arguments task normal Compiler 6.6.1 1365 -fbyte-code is ignored in a OPTIONS_GHC pragma feature request lowest GHCi 6.6.1 1466 Stack check for AP_STACK simonmar bug normal Compiler 6.6.1 1487 unix package: test needed for getLoginName adrien bug lowest libraries/unix 6.6.1 1498 Optimisation: eliminate unnecessary heap check in recursive function bug low Compiler 6.6.1 1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient bug normal Compiler 6.6.1 1572 Make it easy to find documentation for GHC and installed packages task lowest Compiler 6.6.1 1574 Broken link testing feature request lowest Documentation 6.6.1 1600 Optimisation: CPR the results of IO task lowest Compiler 6.6.1 1612 GHC_PACKAGE_PATH and $topdir bug -- bug lowest Package system 6.6.1 1631 Make the External Package Table contain ModDetails not ModIface task lowest Compiler 6.6.1 1693 Make distclean (still) doesn't igloo bug lowest Build System 6.6.1 1721 Make GHCi print the entire result of an interactive 'bind' statement feature request lowest Compiler 6.6.1 1727 Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression bug lowest Compiler (Parser) 6.6.1 1883 "GHC can't find library using ""short"" name" bug lowest Compiler 6.6.1 1330 Impredicativity bug: Church2 test gives a rather confusing error with the HEAD simonpj bug lowest Compiler (Type checker) 6.7 1377 GHCi debugger tasks mnislaih task lowest GHCi 6.7 1379 Allow breakpoints and single-stepping for functions defined interactively feature request lowest GHCi 6.7 1420 Automatic heap profile intervals feature request lowest Profiling 6.7 1496 Newtypes and type families combine to produce inconsistent FC(X) axiom sets simonpj bug normal Compiler (Type checker) 6.7 1534 "[Debugger] Watch on accesses of ""variables""" feature request lowest GHCi 6.7 1820 Windows segfault-catching only works for the main thread bug lowest Runtime System 6.8.1 1853 hpc mix files for Main modules overwrite each other AndyGill bug lowest Code Coverage 6.8.1 1880 Unify flag descriptions to generate both docs and code task lowest Compiler 6.8.1 1885 Improve CPR analysis simonpj feature request lowest Compiler 6.8.1 1894 Add a total order on type constructors feature request lowest Compiler (Type checker) 6.8.1 1965 Allow unconstrained existential contexts in newtypes feature request normal Compiler 6.8.1 2028 STM slightly conservative on write-only transactions bug lowest Compiler 6.8.1 1012 ghc panic with mutually recursive modules and template haskell bug lowest Template Haskell 6.8.2 2064 problems with duplicate modules -- bug lowest Package system 6.8.2 2075 hpc should render information about the run in its html markup andy@galois.com feature request lowest Code Coverage 6.8.2 2104 Add Labels feature request lowest Compiler 6.8.2 2110 Rules to eliminate casted id's feature request lowest Compiler 6.8.2 2119 explicitly importing deprecated symbols should elicit the deprecation warning feature request lowest Compiler 6.8.2 2123 implement waitForProcess using signals task lowest libraries/process 6.8.2 2135 Warn if functions are exported whose types cannot be written feature request lowest Compiler 6.8.2 2140 cpuTimePrecision is wrong for me on Windows (XP) bug lowest libraries/base 6.8.2 2147 unhelpful error message for a misplaced DEPRECATED pragma bug lowest Compiler 6.8.2 2159 Use a more efficient representation than [DynFlag] bug lowest Compiler 6.8.2 2161 finaliser of a ForeignPtr called while references from unreachable threads exist bug low Runtime System 6.8.2 2168 ghci should show haddock comments for identifier feature request lowest GHCi 6.8.2 2184 if findExecutable finds a file that matchs the argument, check if it is an executable bug lowest libraries/directory 6.8.2 2189 hSetBuffering stdin NoBuffering doesn't work on Windows bug normal libraries/base 6.8.2 2224 -fhpc inteferes/prevents rewrite rules from firing andy@galois.com bug lowest Code Coverage 6.8.2 2256 Incompleteness of type inference: must quantify over implication constraints simonpj bug lowest Compiler 6.8.2 2258 ghc --cleanup feature request lowest Compiler 6.8.2 2260 Non-ideal error message for misplaced LANGUAGE pragma bug lowest Compiler (Parser) 6.8.2 2269 Word type to Double or Float conversions are slower than Int conversions dons@galois.com feature request lowest Compiler 6.8.2 2289 Needless reboxing of values when returning from a tight loop bug lowest Compiler 6.8.2 2333 Emit a warning if an INLINE function is a loop breaker feature request lowest Compiler 6.8.2 2340 Improve Template Haskell error recovery -- feature request lowest Template Haskell 6.8.2 2345 :browse limitations (browsing virtual namespaces, listing namespaces) feature request lowest GHCi 6.8.2 2346 Compilation of large source files requires a lot of RAM bug lowest Compiler 6.8.2 2365 Warn about suspicious flags in OPTIONS_GHC pragmas feature request lowest Compiler 6.8.2 2374 MutableByteArray# is slower than Addr# bug lowest Compiler (NCG) 6.8.2 2387 Optimizer misses unboxing opportunity bug lowest Compiler 6.8.2 2459 "can't link haskell without ""main"" function, or -no-hs-main broken on windows?" bug lowest Driver 6.8.2 2460 provide -mwindows option like gcc feature request lowest Compiler 6.8.2 3032 would be nice if -fno-code and --make worked together feature request lowest Compiler 6.8.2 2401 aborting an STM transaction should throw an exception -- bug low Runtime System 6.8.3 2437 More accurate package dependencies -- task lowest Package system 6.8.3 2450 Data.Complex.magnitude squares using ^(2 :: Int), which is slow bug lowest libraries/base 6.8.3 2522 Warning for missing export lists feature request lowest Compiler 6.8.3 2526 warn about missing signatures only for exported functions feature request lowest Compiler 6.8.3 2530 deriving Show adds extra parens for constructor with record syntax bug lowest Compiler 6.8.3 2531 Prune duplicates in ghci history feature request lowest GHCi 6.8.3 2598 Avoid excessive specialisation in SpecConstr feature request lowest Compiler 6.8.3 2600 Bind type variables in RULES simonpj feature request lowest Compiler 6.8.3 2614 Enumeration of values for `Sys.Info.os`, `Sys.Info.arch` mjg feature request low libraries/base 6.8.3 2640 Treat -X flags consistently in GHCi feature request lowest Compiler 6.8.3 2641 Revise the rules for -XExtendedDeafultRules feature request lowest Compiler 6.8.3 2642 Improve SpecConstr for join points bug lowest Compiler 6.8.3 2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported bug lowest Compiler 6.8.3 2731 Avoid unnecessary evaluation when unpacking constructors bug lowest Compiler 6.8.3 2737 add :tracelocal to ghci debugger to trace only the expressions in a given function feature request lowest GHCi 6.8.3 2803 bring full top level of a module in scope when a breakpoint is hit in the module feature request lowest GHCi 6.8.3 2215 :disable command to disable breakpoints feature request lowest GHCi 6.9 2273 inlining defeats seq bug lowest Compiler 6.9 2370 num009 fails on OS X 10.5? bug lowest Compiler 6.9 2439 Missed optimisation with dictionaries and loops simonpj bug lowest Compiler 6.9 2514 Add/Expose Binary API that allows dumping of any GHC Binary instance nominolo feature request lowest GHC API 6.9 2550 Add an option to read file names from a file instead of the command line feature request lowest Compiler 6.9 602 Warning Suppression task lowest Compiler None 609 Useful optimisation for set-cost-centre simonmar task normal Profiling None 4001 Implement an atomic readMVar task low Runtime System 6.12.2 4012 Compilation results are not deterministic bug high Compiler 6.12.2 4016 Strange display behaviour in GHCi feature request low Compiler 6.12.2 4017 Unhelpful error message in GHCi bug lowest Compiler 6.12.2 4020 Please consider adding support for local type synonyms feature request low Compiler (Type checker) 6.12.2 4048 ghc-pkg should check for existence of extra-libraries bug low Package system 6.12.2 4049 Support for ABI versioning of C libraries bug low Build System 6.12.2 4052 Two sided sections feature request low Compiler 6.12.2 4092 Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64# feature request normal Compiler 6.12.2 4096 New primops for indexing: index*OffAddrUsing# etc feature request low Compiler 6.12.2 4101 Primitive constant unfolding bug low Compiler 6.12.2 4102 Bit manipulation built-ins feature request normal libraries/base 6.12.2 4105 ffi005 fails on OS X bug low Compiler 6.12.2 4121 Refactor the plumbing of CafInfo to make it more robust bug low Compiler 6.12.2 2301 Proper handling of SIGINT/SIGQUIT bug normal libraries/process 6.12.3 4140 dynHelloWorld(dyn) fails in an unreg build bug low Compiler 6.12.3 4150 CPP+QuasiQuotes confuses compilation errors' line numbers bug low Compiler (Parser) 6.12.3 4162 GHC API messes up signal handlers bug low GHC API 6.12.3 4170 "Invalid ""duplicate instance"" error" bug low Template Haskell 6.12.3 4180 do not consider associativity for unary minus for fixity resolution feature request low Compiler (Parser) 6.12.3 4185 Deriving higher-arity instances for newtype family instances fails simonpj bug low Compiler 6.12.3 4196 add more stolen syntax to the user guide task low Documentation 6.12.3 4215 canonicalizePath behaves strangely with paths that do not exist bug low libraries/directory 6.12.3 4218 System.Random is way too lazy rrnewton bug low Compiler 6.12.3 4222 Template Haskell lets you reify supposedly-abstract data types feature request low Compiler 6.12.3 4245 ghci panic: thread blocked indefinitely in an MVar operation tibbe bug high GHCi 6.12.3 4281 Make impredicativity work properly simonpj task low Compiler 6.12.3 4295 Review higher-rank and impredicative types simonpj bug normal Compiler 6.12.3 4296 The dreaded SkolemOccurs problem simonpj bug low Compiler 6.12.3 4301 Optimisations give bad core for foldl' (flip seq) () bug low Compiler 6.12.3 4329 GHC.Conc modifyTVar primitive feature request low Compiler 6.12.3 4340 Add alignment to hsc2hs template feature request low Compiler (FFI) 6.12.3 4372 Extending quasiquotation support bug normal Template Haskell 6.12.3 4426 Simplify the rules for implicit quantification feature request low Compiler 6.12.3 4429 Ability to specify the namespace in mkName reinerp feature request low Template Haskell 6.12.3 4453 Allow specifying .hi files of imports on command line in batch mode feature request low Compiler 6.12.3 4466 Add extension for type application feature request low Compiler 6.12.3 4471 Incorrect Unicode output on Windows Console bug low Compiler 6.12.3 4800 Memory Leak when Compiling qtHaskell bug low Compiler 6.12.3 4815 Instance constraints should be used when deriving on associated data types feature request low Compiler 6.12.3 4942 GHC.ConsoleHandler does not call back application when Close button is pressed bug low GHC API 6.12.3 4505 Segmentation fault on long input (list of pairs) bug low Compiler 7.0.1 4520 "startup code on Windows should use SetDllDirectory("""")" feature request low Runtime System 7.0.1 4806 Make error message more user friendly when module is not found because package is unusable feature request low Compiler 7.0.1 4824 Windows: Dynamic linking doesn't work out-of-the-box bug low Runtime System 7.0.1 4831 Too many specialisations in SpecConstr rl bug low Data Parallel Haskell 7.0.1 4833 Finding the right loop breaker bug low Compiler 7.0.1 4836 literate markdown not handled correctly by unlit bug low Compiler 7.0.1 4837 Template Haskell does not work in a profiled compiler. bug low Profiling 7.0.1 4846 Newtype derving used wrongly bug low Compiler 7.0.1 4861 Documentation for base does not include special items bug low libraries/base 7.0.1 4899 "Non-standard compile plus Template Haskell produces spurious ""unknown symbol"" linker error" simonmar bug low Compiler 7.0.1 4913 Make event tracing conditional on an RTS flag only feature request low Runtime System 7.0.1 4921 report ambiguous type variables more consistently feature request low Compiler (Type checker) 7.0.1 4931 hsc2hs emits invalid OPTIONS_GHC pragmas bug low hsc2hs 7.0.1 4937 Remove indirections caused by sum types, such as Maybe feature request normal Compiler 7.0.1 4959 Warning about variables with leading underscore that are used anyway feature request low Compiler (Parser) 7.0.1 4960 Better inlining test in CoreUnfold bug low Compiler 7.0.1 4980 Warning about module abbreviation clashes feature request low Compiler 7.0.1 4985 Improve locations in ghci errors bug low Compiler 7.0.1 5014 canonicalizePath throws exception on paths that do not exist bug low libraries/directory 7.0.2 5016 Make Template Haskell: -ddump-splices generate executable code feature request low Template Haskell 7.0.2 5251 copyFile does not copy metadata bug low libraries/directory 7.0.2 3990 UNPACK doesn't unbox data families bug low Compiler 7.0.3 4316 "Interactive ""do"" notation in GHCi" feature request low GHCi 7.0.3 5059 Pragma to SPECIALISE on value arguments feature request low Compiler 7.0.3 5062 Patch: Debug output for OS X linker and coding standard upgrades bug low Runtime System 7.0.3 5063 unix package has untracked dependency on libbsd bug low libraries/unix 7.0.3 5073 Add blockST for nested ST scopes bug low Compiler 7.0.3 5075 CPR optimisation for sum types if only one constructor is used simonpj feature request normal Compiler 7.0.3 5142 stub header files don't work with the MS C compiler simonmar bug low Compiler 7.0.3 5143 Soft heap limit flag simonmar task normal Runtime System 7.0.3 5158 Update .git-ignore in all the repos pcapriotti task low Compiler 7.0.3 5171 Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement feature request low Compiler 7.0.3 5190 TinyCoreLinux extension bug low Build System 7.0.3 5197 Support static linker semantics for archives and weak symbols feature request low Runtime System 7.0.3 5202 Docs on strictness info out of date bug low Documentation 7.0.3 5209 ^C doesn't correctly reset the prompt from within multiline commands in ghci bug low GHCi 7.0.3 5219 need a version of hs_init that returns an error code for command-line errors feature request low Runtime System 7.0.3 5224 Improve consistency checking for family instances simonpj bug low Compiler 7.0.3 5239 "Em-dash for ""--"" with UnicodeSyntax." feature request normal Compiler (Parser) 7.0.3 5248 Infer type context in a type signature feature request low Compiler (Type checker) 7.0.3 5267 Missing type checks for arrow command combinators ross bug low Compiler (Type checker) 7.0.3 5288 Less noisy version of -fwarn-name-shadowing feature request low Compiler 7.0.3 5289 Can't use ghci with a library linked against libstdc++ bug normal GHCi 7.0.3 5291 GhcDynamic build fails on Windows: can't find DLLs bug low Build System 7.0.3 5292 libHSghc exports more symbols than Windows can handle bug low Compiler 7.0.3 5296 Add explicit type applications feature request low Compiler (Type checker) 7.0.3 5298 Inlined functions aren't fully specialised bug low Compiler 7.0.3 5302 Unused arguments in join points simonpj bug low Compiler 7.0.3 5305 crash after writing around 40 gigabytes to stdout bug low Compiler 7.0.3 5326 Polymorphic instances aren't automatically specialised simonpj bug low Compiler 7.0.3 5333 Arrow command combinators and infixr cause the desugarer to fail ross bug low Compiler (Parser) 7.0.3 5355 Link plugins against existing libHSghc bug normal Compiler 7.0.3 5401 LANGUAGE pragma parser nit igloo bug normal Compiler (Parser) 7.0.3 5907 Crashed loading package Safe bug normal Package system 7.0.3 4268 Annotation extension needs a flag bug normal Compiler 7.0.4 5013 sporadic failures during compilation under solaris bug low Compiler 7.0.4 5308 Generalize -msse2 command line flag to -msse feature request low Compiler 7.0.4 5369 Reinstate VECTORISE pragmas with expressions as right-hand sides chak bug normal Data Parallel Haskell 7.0.4 5376 Quotation in System.Process.system for Windows bug low libraries/process 7.0.4 5388 ghcilink003 and ghcilink006 fail on OSX bug low Compiler 7.0.4 5392 Warnings about impossible MPTCs would be nice feature request normal Compiler 7.0.4 5898 ghc: internal error: Invalid Mach-O file bug normal Compiler 7.0.4 6016 On Windows, runhaskell hits an error on UTF-8 files with a BOM bug normal Compiler (Parser) 7.0.4 4347 Bug in unification of polymorphic and not-yet-polymorphic type bug normal Compiler (Type checker) 7.1 4413 (^^) is not correct for Double and Float tcsavage bug low libraries/base 7.1 4428 Local functions lose their unfoldings bug low Compiler 7.1 4440 time004 fails depending on the date bug low Test Suite 7.1 4442 Add unaligned version of indexWordArray# feature request low libraries (other) 7.1 4451 Re-linking avoidance is too aggressive simonmar bug normal Compiler 7.1 4459 Polymorphic Data.Dynamic vivian feature request low GHC API 7.1 4823 Loop strength reduction for array indexing feature request low Compiler 7.1 4896 Deriving Data does not work for attached code bug low Compiler 7.1 4938 Core2 CPU not detected correctly bug low Compiler 7.1 5108 Allow unicode sub/superscript symbols in both identifiers and operators feature request normal Compiler (Parser) 7.1 5140 Fix LLVM backend for PowerPC erikd task low Compiler (LLVM) 7.1 5262 Compiling with -O makes some expressions too lazy and causes space leaks bug low Compiler 7.1 5273 error and undefined should print a location feature request low Compiler 7.1 5320 check_overlap panic (7.1 regression) simonpj bug normal Compiler 7.1 5412 dataTypeConstrs gives unhelpful error message bug normal libraries/base 7.1 4176 reject unary minus in infix left hand side function bindings that resolve differently as expressions bug low Compiler 7.2.1 5443 Errors when shutting down the event manager loop tibbe bug normal Compiler 7.2.1 5444 Slow 64-bit primops on 32 bit system bug normal Compiler 7.2.1 5462 Deriving clause for arbitrary classes feature request normal Compiler 7.2.1 5463 SPECIALISE pragmas generated from Template Haskell are ignored bug normal Template Haskell 7.2.1 5467 Template Haskell: support for Haddock comments feature request normal Template Haskell 7.2.1 5495 simple program fails with -shared on mac bug low Compiler 7.2.1 5542 "also parse class/instance declarations as ""HEAD <= CONTEXT where""" feature request normal Compiler (Parser) 7.2.1 5556 Support pin-changing on ByteArray#s feature request normal Compiler 7.2.1 5578 write access permission of binary result different on OpenBSD igloo bug low Test Suite 7.2.1 5590 """guarded instances"": instance selection can add extra parameters to the class" simonpj feature request normal Compiler (Type checker) 7.2.1 5619 Shorter qualified import statements feature request normal Compiler 7.2.1 5620 Dynamic linking and threading does not work on Windows igloo bug high Runtime System 7.2.1 5630 External Core needs love bug normal Compiler 7.2.1 5641 The -L flag should not exist bug normal Profiling 7.2.1 5645 Sharing across functions causing space leak bug normal Compiler 7.2.1 5647 "CLI option to silence ""Loading package foo ... linking ... done"" output" feature request normal Compiler 7.2.1 5654 Profiling semantics bug simonmar bug low Profiling 7.2.1 5672 parBufferWHNF could be less subtle duncan feature request normal libraries (other) 7.2.1 5687 Friendly Interface for auto-completion of GHCi feature request normal GHCi 7.2.1 5692 Source code with large floating constants in exponential notation cannot be compiled pcapriotti bug normal Compiler 7.2.1 5757 zero unexpected failures on all tier 1 platforms task highest Test Suite 7.2.1 5763 Confusing error message simonpj bug high Compiler 7.2.2 5791 Defer other kinds of errors until runtime, not just type errors task normal Compiler 7.2.2 5807 DPH library functions don't work without -fvectorise. benl bug normal Data Parallel Haskell 7.2.2 5813 Offer a compiler warning for failable pattern matches feature request normal Compiler 7.2.2 5859 unsafeInterleaveIO duplicates computation when evaluated by multiple threads simonpj bug high libraries/base 7.2.2 5364 Access RTS flag values from inside Haskell programs feature request normal libraries/base 7.3 5378 unreg compiler: warning: conflicting types for built-in function ‘memcpy’ bug low Compiler 7.3 5387 ffi/should_run fptr02 fails on OS X amd64 bug low Compiler 7.3 5470 The DPH library needs to support PData and PRepr instances for more than 15-tuples chak bug normal Data Parallel Haskell 7.3 5498 Generalized newtype deriving allows creating of instances I can't create by hand bug normal Compiler 7.3 5522 mc03 -O -fliberate-case -fspec-constr runs out of memory simonpj bug normal Compiler 7.3 5537 ghc doesn't find libffi.so.5 in testsuite bug low Test Suite 7.3 5539 GHC panic - Simplifier ticks exhausted simonpj bug high Compiler 7.3 5608 Fix T3807 for Mac OS X 10.5 bug low Test Suite 7.3 5642 Deriving Generic of a big type takes a long time and lots of space dimitris bug high Compiler 7.3 5646 Initialise tuples using pragmas chak bug normal Data Parallel Haskell 7.3 5682 Properly parse kind operators (from promoted type operators) dreixel bug low Compiler 7.3 5702 Can't vectorise pattern matching on numeric literals chak bug normal Data Parallel Haskell 7.3 5724 Confusing warning message for incomplete patterns bug normal Compiler 7.3 3242 ghci: can't load .so/.DLL for: m (addDLL: could not load DLL) bug normal GHCi 7.4.1 5840 Extend the supported environment sizes of vectorised closures chak bug normal Data Parallel Haskell 7.4.1 5841 seg fault in ghci but not ghc when using chart-gtk code bug normal Compiler 7.4.1 5844 Panic on generating Core code bug normal External Core 7.4.1 5850 Greater customization of GHCi prompt feature request normal GHCi 7.4.1 5863 Deriving Typeable for data families bug normal Compiler 7.4.1 5889 -fno-prof-count-entries leads to linking errors bug normal Compiler 7.4.1 5916 runST isn't free bug normal Compiler 7.4.1 5918 hsc2hs forces wordsize (i.e. -m32 or -m64) to be the choice of GHC instead of allowing a different (or no/default choice) feature request low hsc2hs 7.4.1 5924 Bad Cmm generated for updating one element in Array# bug normal Compiler 7.4.1 5925 Add inline version of newArray# feature request normal Compiler 7.4.1 5927 "A type-level ""implies"" constraint on Constraints" feature request normal Compiler (Type checker) 7.4.1 5928 INLINABLE fails to specialize in presence of simple wrapper bug normal Compiler 7.4.1 5942 implement POSIX confstr() in System/Posix/Unistd.hsc feature request normal libraries/unix 7.4.1 5954 Performance regression 7.0 -> 7.2 (still in 7.4) simonpj bug high Compiler 7.4.1 5966 getAppUserDataDirectory does not respect XDG specification bug normal libraries/directory 7.4.1 5982 Incorrect dynamic library name in OSX bug normal libraries/base 7.4.1 5983 Libraries installed in wrong place bug normal libraries/base 7.4.1 6047 GHC retains unnecessary binding simonpj bug normal Compiler 7.4.1 6087 Join points need strictness analysis bug normal Compiler 7.4.1 6113 Profiling with -p not written if killed with SIGTERM bug normal Profiling 7.4.1 7043 32-bit GHC ceiling of negative float SEGFAULT: 11 igloo bug high Compiler 7.4.1 7056 "GHCi loadArchive ""libiconv.a"":failed Unknown PEi386 section name `.drectve'" bug high GHCi 7.4.1 5615 ghc produces poor code for `div` with constant powers of 2. daniel.is.fischer bug normal Compiler 7.4.1-rc1 5786 Dynanmic way fails when GHC built with LLVM backend dterei bug normal Compiler (LLVM) 7.4.1-rc1 5827 /usr/local hard-coded in cabal duncan bug normal libraries (other) 7.4.1-rc2 5666 Can't use writeFile to write unicode characters. bug normal libraries (other) 7.4.2 5777 core lint error with arrow notation and GADTs ross bug normal Compiler 7.4.2 6166 Performance regression in mwc-random since 7.0.x bug high Compiler 7.4.2 7045 The `Read` instance of `Rational` does not support decimal notation bug normal libraries/base 7.4.2 7103 Compiler panic, when loading wxc in GHCi bug high GHCi 7.4.2 7105 Better names for derived SCCs of instances simonmar feature request normal Profiling 7.4.2 7277 Recompilation check fails for TH unless functions are inlined bug high Template Haskell 7.4.2 7316 GHC segfaults on ARM bug high Compiler 7.4.2 4479 Add Type Directed Name Resolution feature request low Compiler (Type checker) 7.5 5775 Inconsistency in demand analysis bug normal Compiler 7.5 5809 Arity analysis could be better simonpj bug normal Compiler 7.5 5821 SPECIALISE fails with a cryptic warning bug normal Compiler 7.5 5823 FFI and CAPI needs {-# INCLUDE #-} back? feature request normal Compiler 7.5 5834 Allow both INLINE and INLINABLE for the same function feature request normal Compiler 7.5 5835 Make better use of known dictionaries feature request normal Compiler 7.5 5959 Top level splice in Template Haskell has over-ambitious lexical scope? bug low Compiler 7.5 5985 Type operators are not accepted as variables in contexts bug normal Compiler 7.5 6079 SEH exception handler not implemented on Win64 bug normal Runtime System 7.5 7243 regression: acceptable foreign result types igloo bug normal Compiler (FFI) 7.6.1 7320 GHC crashes when building on 32-bit Linux in a Linode simonmar bug high Runtime System 7.6.1 7325 threadDelay mistreats minBound and maxBound in some configurations bug high Runtime System 7.6.1 7388 CAPI doesn't work with ghci igloo bug normal GHCi 7.6.1 2648 Report out of date interface files robustly feature request lowest GHCi 7.6.3 4230 Template Haskell: less type checking in quotations? feature request low Compiler 7.6.3 3372 Allow for multiple linker instances feature request low Compiler 3373 GHC API is not thread safe feature request low GHC API 3517 GHC has lots of extra hidden IOErrorType values bug low libraries/base 3704 Using -shared without -dynamic should be rejected on linux bug low Compiler 3739 ghc-cabal mishandles relative paths in arguments bug low Build System 3895 """Fix"" pervasive-but-unnecessary signedness in GHC.Prim" feature request low Compiler 4385 Type-level natural numbers diatchki feature request normal Compiler (Type checker) 4470 Loop optimization: identical counters feature request normal Compiler 4900 DEPENDS pragma feature request normal Compiler 5266 Licensing requirements and copyright notices feature request low None 5429 Docase notation as GHC extension tomasp feature request normal Compiler 5567 LLVM: Improve alias analysis / performance dterei task normal Compiler (LLVM) 5761 Getting stdout and stderr as a single handle from createProcess does not work on Windows bug normal libraries/process 5861 bytestring: incorrect documentation for hGetContents duncan bug normal libraries (other)