id summary status type priority milestone component 7482 GHC.Event overwrites main IO managers hooks to RTS new bug normal 7.8.1 libraries/base 7926 eventfd: unsupported operation when doing anything new bug highest 7.8.1 Compiler 1853 hpc mix files for Main modules overwrite each other new bug lowest 7.6.2 Code Coverage 2180 Any installed signal handler stops deadlock detection, but XCPU never happens in a deadlock new feature request normal _|_ Runtime System 2986 :info printing instances often isn't wanted new feature request lowest 7.6.2 GHCi 1487 unix package: test needed for getLoginName new bug lowest 7.6.2 libraries/unix 2075 hpc should render information about the run in its html markup new feature request lowest 7.6.2 Code Coverage 2224 -fhpc inteferes/prevents rewrite rules from firing new bug lowest 7.6.2 Code Coverage 2991 .mix files generation broken with -fhpc and --make flags with lhs modules new bug lowest 7.6.2 Code Coverage 3191 hpc reports spurious results with .lhs files even after processing with ghc -E new bug lowest 7.6.2 Code Coverage 3376 hpc and CPP don't mix on Windows new bug lowest 7.6.2 Code Coverage 3977 Support double-byte encodings (Chinese/Japanese/Korean) on Windows new feature request low 7.8.1 libraries/base 3782 "Data Parallel ""Impossible happened"" compiler error" new bug low 7.6.2 Data Parallel Haskell 3903 "DPH bad sliceP causes RTS panic ""allocGroup: requested zero blocks""" new bug low 7.6.2 Data Parallel Haskell 4081 Strict constructor fields inspected in loop new bug low 7.6.2 Compiler 4438 "Rename and register the ""PArr"" language extension when it is judged to be ready" new task normal _|_ Data Parallel Haskell 5807 DPH library functions don't work without -fvectorise. new bug normal 7.6.2 Data Parallel Haskell 6004 dph-lifted-vseg package doesn't provide Data.Array.Parallel.Prelude.Float module new bug normal 7.8.1 Data Parallel Haskell 7063 Register allocators can't handle non-uniform register sets new bug normal 7.8.1 Compiler (NCG) 7091 DPH Matrix product memory usage new bug normal 7.8.1 Data Parallel Haskell 7098 GHC 7.4.1 reports an internal error and core dumps while using DPH new bug normal 7.8.1 Compiler 7330 Data Parallel Haskell (DPH) isn't usable yet. new feature request normal 7.8.1 Compiler 7883 enable GHC LLVM backend to use LLVM provided CAS / Atomicity primitives? new feature request normal -- Compiler 5369 Reinstate VECTORISE pragmas with expressions as right-hand sides new bug normal 7.6.2 Data Parallel Haskell 5470 The DPH library needs to support PData and PRepr instances for more than 15-tuples new bug normal 7.6.2 Data Parallel Haskell 5646 Initialise tuples using pragmas new bug normal 7.6.2 Data Parallel Haskell 5702 Can't vectorise pattern matching on numeric literals new bug normal 7.6.2 Data Parallel Haskell 5840 Extend the supported environment sizes of vectorised closures new bug normal 7.6.2 Data Parallel Haskell 7078 Panic using mixing list with parallel arrays incorrectly new bug normal 7.8.1 Compiler 7736 Parallel array enumeration causes compiler panic (enumFromToP) new bug normal 7.8.1 Compiler 7540 Panic on type inference with vectorised parallel arrays new bug highest 7.8.1 Compiler 2725 Remove Hack in compiler/nativeGen/MachCodeGen.hs new bug high 7.8.1 Compiler (NCG) 5615 ghc produces poor code for `div` with constant powers of 2. new bug normal 7.6.2 Compiler 4385 Type-level natural numbers new feature request normal 7.6.2 Compiler (Type checker) 5642 Deriving Generic of a big type takes a long time and lots of space new bug high 7.6.2 Compiler 2269 Word type to Double or Float conversions are slower than Int conversions new feature request lowest 7.6.2 Compiler 5682 Properly parse kind operators (from promoted type operators) new bug low 7.6.2 Compiler 7263 Add derived Show instances to GHC.Generics new feature request normal 7.8.1 GHC API 7269 GeneralizedNewtypeDeriving and PolyKinds new bug normal 7.8.1 Compiler 7346 Allow the use of `deriving` for GHC generics new feature request normal 7.8.1 Compiler 7459 deriving Generic does not work with TypeLits new feature request normal 7.8.1 Compiler 7492 Generic1 deriving: Can we replace Rec1 f with f :.: Par1? new feature request normal 7.8.1 Compiler 7800 Error message when deriving Typeable without PolyKinds new bug normal 7.8.1 Compiler 4210 LLVM: Dynamic Library Support new feature request low 7.6.2 Compiler (LLVM) 4213 LLVM: Add support for TNTC to LLVM compiler suite new feature request low 7.6.2 Compiler (LLVM) 4211 LLVM: Stack alignment on OSX new task normal 7.6.2 Compiler (LLVM) 5567 LLVM: Improve alias analysis / performance new task normal 7.6.2 Compiler (LLVM) 5786 Dynanmic way fails when GHC built with LLVM backend new bug normal 7.6.2 Compiler (LLVM) 5793 make nofib awesome new task normal _|_ NoFib benchmark suite 5794 Nofib nightly regressions with pretty graphs new task normal _|_ NoFib benchmark suite 7297 LLVM incorrectly hoisting loads new bug normal 7.8.1 Compiler (LLVM) 7608 LLVM only handles a hard-coded list of triples. new task normal 7.8.1 Compiler (LLVM) 7610 Cross compilation support for LLVM backend new bug normal 7.8.1 Compiler (LLVM) 7666 excessive space and time usage for rendering (somewhat) deeply nested Docs new bug normal 7.8.1 libraries/pretty 7694 LLVM: bootstrapping with LLVM 3.2 does not work new bug normal 7.8.1 Compiler (LLVM) 7143 ghc-7.6.0.20120810-x86_64-windows.exe -> ghc can't figure out LLVM version new bug high 7.8.1 Compiler (LLVM) 3122 Enhance --info new feature request lowest 7.6.2 Compiler 2496 Invalid Eq/Ord instances in Data.Version new bug normal _|_ libraries/base 5672 parBufferWHNF could be less subtle new feature request normal 7.6.2 libraries (other) 5827 /usr/local hard-coded in cabal new bug normal 7.6.2 libraries (other) 5861 bytestring: incorrect documentation for hGetContents new bug normal 7.6.2 libraries (other) 7200 template-haskell-2.7.0.0 fails to build with GHC 7.0.4 due to missing pragma new bug high 7.8.1 Template Haskell 5140 Fix LLVM backend for PowerPC new task low 7.6.2 Compiler (LLVM) 367 Infinite loops can hang Concurrent Haskell new bug lowest _|_ Compiler 4001 Implement an atomic readMVar new task low 7.6.2 Runtime System 7606 Stride scheduling for Haskell threads with priorities new feature request normal 7.8.1 Runtime System 7746 Support loading/unloading profiled objects from a profiled executable new feature request normal 7.8.1 Runtime System 7751 Incremental heap census new feature request normal 7.8.1 Profiling 7790 Add dummy undefined symbols to indicate ways new task normal 7.8.1 Compiler 7831 Bad fragmentation when allocating many large objects new bug normal 7.8.1 Runtime System 7930 Nested STM Invariants are lost new bug normal Runtime System 7938 Unbound kind variable can appear in RHS of associated type new bug normal -- Compiler 7814 panic in PPC NCG new bug high 7.8.1 Compiler 1693 Make distclean (still) doesn't new bug lowest 7.6.2 Build System 5578 write access permission of binary result different on OpenBSD new bug low 7.6.2 Test Suite 1407 Add the ability to :set -l{foo} in .ghci files new feature request normal _|_ GHCi 3647 unify handling and error messages for -X vs. {-#LANGUAGE ...#-} pragmas/extensions new feature request normal 7.8.1 Compiler (Parser) 5401 LANGUAGE pragma parser nit new bug normal 7.6.2 Compiler (Parser) 5972 option to suppress (Monomorphic) record selector functions new feature request normal 7.8.1 Compiler 7243 regression: acceptable foreign result types new bug normal 7.6.2 Compiler (FFI) 7275 Give more detailed information about PINNED data in a heap profile new feature request normal 7.8.1 Compiler 7371 Supporting old GHC versions in our libraries new task normal 7.8.1 Build System 7388 CAPI doesn't work with ghci new bug normal 7.6.2 GHCi 7463 [PATCH] When -keep-hc-files is enabled, foreign stubs *_stub.c should also be kept. new bug normal 7.8.1 Compiler 7464 git tag for base-4.6.0.0 missing new bug normal 7.8.1 libraries/base 7544 GHC downloads are unsigned new feature request normal 7.8.1 Build System 7655 7.6.2 Segmentation Fault/Bus Error in large exponentation new bug normal 7.8.1 GHCi 7660 warning: conflicting types when compiling via-C new bug normal 7.8.1 Compiler 7665 dynamicToo001 fails on Windows new bug normal 7.8.1 Compiler 7698 thread blocked indefinitely in an MVar operation new bug normal 7.8.1 GHCi 7727 Nonsense evaluation: sequence [] = [] new bug normal 7.8.1 GHCi 7765 Odd error message for `runghc` with missing `main` function. new bug normal 7.8.1 Compiler 7768 """untracked content"" in fresh clone of haskeline" new bug normal 7.8.1 Build System 7779 building GHC overwrites the installed package database if GHC_PACKAGE_PATH is set new bug normal 7.8.1 Build System 7789 GHCI core dumps when used with VTY new bug normal 7.8.1 GHCi 3658 Dynamically link GHCi (and use system linker) on platforms that support it new task high 7.8.1 GHCi 4374 Remove in-tree gmp new task high 7.8.1 Build System 5218 Add unpackCStringLen# to create Strings from string literals new feature request high 7.8.1 Compiler 5620 Dynamic linking and threading does not work on Windows new bug high 7.6.2 Runtime System 7028 incorrect link paths for in mac os x after install new bug high 7.8.1 Build System 7043 32-bit GHC ceiling of negative float SEGFAULT: 11 new bug high 7.6.2 Compiler 7298 Test 2228 fails with dynamic-by-default new bug high 7.8.1 GHCi 7326 print035(ghci) fails when ghci is dynamic new bug high 7.8.1 GHCi 7456 GHC API displays linker messages to stdout instead of via log_action new bug high 7.8.1 GHC API 7490 ghc-stage1 panic when building a cross-compiler or cross-building a compiler new bug high 7.8.1 Compiler 7712 """make install"" fails on Windows" new bug high 7.8.1 Build System 7772 Finish support for DYNAMIC_GHC_PROGRAMS on Windows new bug high 7.8.1 Compiler 7833 installed GHC refers to libffi in the build directory new bug high 7.8.1 Build System 7134 ghc-7.6.0.20120810-x86_64-windows.exe -> internal error R_X86_64_PC32 new bug highest 7.8.1 GHCi 7167 Make it a warning (not error) to hide an import that isn't exported new bug highest 7.8.1 Compiler 7359 unix-2.6.0.0 fails to install on mac os x with 7.4.* (works with 7.6.1) new bug highest 7.6.3 libraries/unix 2403 caching for runghc (runhaskell) new feature request normal _|_ Compiler 3569 ghci can't handle utf-8 chinese char correctly when modify. new bug normal _|_ GHCi 284 RPM doesn't support --prefix new feature request normal _|_ Build System 2968 add test for C trigraphs new task lowest 7.6.2 Compiler 701 Better CSE optimisation new task normal _|_ Compiler 2614 Enumeration of values for `Sys.Info.os`, `Sys.Info.arch` new feature request low 7.6.2 libraries/base 1377 GHCi debugger tasks new task lowest 7.6.2 GHCi 7401 Can't derive instance for Eq when datatype has no constructor, while it is trivial do do so. new feature request normal 7.8.1 Compiler 7782 flag to run the demand analysis a second time new task normal 7.8.1 Compiler 7240 Stack trace truncated too much with indirect recursion new bug normal 7.8.1 Profiling 2514 Add/Expose Binary API that allows dumping of any GHC Binary instance new feature request lowest 7.6.2 GHC API 5158 Update .git-ignore in all the repos new task low 7.6.2 Compiler 5692 Source code with large floating constants in exponential notation cannot be compiled new bug normal 7.6.2 Compiler 7116 Missing optimisation: strength reduction of floating-point multiplication new bug normal 7.8.1 Compiler 4022 GHC Bindist is Broken on FreeBSD/amd64 new bug lowest 7.6.2 libraries (other) 4429 Ability to specify the namespace in mkName new feature request low 7.6.2 Template Haskell 3960 ghc panic when attempting to compile DPH code new bug lowest 7.6.2 Data Parallel Haskell 4831 Too many specialisations in SpecConstr new bug low 7.6.2 Data Parallel Haskell 3577 Complete support for Data Parallel Haskell new feature request normal _|_ Data Parallel Haskell 344 arrow notation: incorrect scope of existential dictionaries new bug lowest 7.6.2 Compiler (Type checker) 5267 Missing type checks for arrow command combinators new bug low 7.6.2 Compiler (Type checker) 5333 Arrow command combinators and infixr cause the desugarer to fail new bug low 7.6.2 Compiler (Parser) 5777 core lint error with arrow notation and GADTs new bug normal 7.6.2 Compiler 4218 System.Random is way too lazy new bug low 7.6.2 Compiler 427 Random.StdGen slowness new bug normal _|_ libraries/random 2280 randomR too slow new bug normal _|_ libraries/random 3575 mkStdGen and split conspire to make some programs predictable new bug normal _|_ libraries/random 3620 The seeds generated by split are not independent new bug normal _|_ libraries/random 5278 System.Random.randomIvalInteger makes invalid assumptions about RandomGen new bug normal _|_ libraries/random 5280 System.Random commits (rand `mod` base) error. new bug normal _|_ libraries/random 1593 Improve runInteractiveProcess error message when working directory does not exist new task low _|_ libraries/process 4899 "Non-standard compile plus Template Haskell produces spurious ""unknown symbol"" linker error" new bug low 7.6.2 Compiler 5142 stub header files don't work with the MS C compiler new bug low 7.6.2 Compiler 5654 Profiling semantics bug new bug low 7.6.2 Profiling 609 Useful optimisation for set-cost-centre new task normal 7.6.2 Profiling 1400 :set +r doesn't work for interpreted modules new bug normal _|_ GHCi 1466 Stack check for AP_STACK new bug normal 7.6.2 Compiler 2233 Overhaul System.Process new task normal _|_ libraries/process 3231 Permission denied error with runProcess/openFile new bug normal 7.6.2 libraries/base 4451 Re-linking avoidance is too aggressive new bug normal 7.6.2 Compiler 5143 Soft heap limit flag new task normal 7.6.2 Runtime System 7104 Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue new feature request normal 7.8.1 libraries (other) 7105 Better names for derived SCCs of instances new feature request normal 7.6.2 Profiling 7189 RTS Assertion Crash new bug normal 7.8.1 Runtime System 7991 stm: add mkWeakTVar new feature request normal 7.8.1 libraries (other) 5902 Cannot tell from an exception handler whether the exception was asynchronous new bug high 7.8.1 Compiler 7198 New codegen more than doubles compile time of T3294 new bug high 7.8.1 Compiler 7320 GHC crashes when building on 32-bit Linux in a Linode new bug high 7.6.2 Runtime System 7970 Thread GC frees roots before thread actually finishes new bug high 7.8.1 Runtime System 2451 New signal-handling API new task highest 7.8.1 libraries/unix 7953 Segfault on x86 with -O2 new bug highest 7.8.1 Compiler 1158 Problem with GADTs and explicit type signatures new bug lowest _|_ Compiler 1330 Impredicativity bug: Church2 test gives a rather confusing error with the HEAD new bug lowest 7.6.2 Compiler (Type checker) 1885 Improve CPR analysis new feature request lowest 7.6.2 Compiler 2256 Incompleteness of type inference: must quantify over implication constraints new bug lowest 7.6.2 Compiler 2439 Missed optimisation with dictionaries and loops new bug lowest 7.6.2 Compiler 2600 Bind type variables in RULES new feature request lowest 7.6.2 Compiler 2915 Arity is smaller than need be new bug lowest 7.6.2 Compiler 2940 Do CSE after CorePrep new bug lowest 7.6.2 Compiler 345 GADT - fundep interaction new bug low _|_ Compiler (Type checker) 1201 ghci runs Template Haskell splices 4 times new bug low _|_ Template Haskell 1231 deprecation warnings are reported too often new feature request low _|_ Compiler 4281 Make impredicativity work properly new task low 7.6.2 Compiler 4296 The dreaded SkolemOccurs problem new bug low 7.6.2 Compiler 4863 TH crashes if you reify the Name of a dfun new bug low _|_ Template Haskell 5224 Improve consistency checking for family instances new bug low 7.6.2 Compiler 5302 Unused arguments in join points new bug low 7.6.2 Compiler 5326 Polymorphic instances aren't automatically specialised new bug low 7.6.2 Compiler 322 fromInteger-related pattern match overlap warnings new bug normal _|_ Compiler 393 functions without implementations new feature request normal _|_ Compiler (Type checker) 932 Improve inlining new task normal _|_ Compiler 1216 Missed opportunity for let-no-esape new bug normal 7.6.2 Compiler 1316 add warning for local type signatures that use the same type variable names as outer type signatures new feature request normal _|_ Compiler 1496 Newtypes and type families combine to produce inconsistent FC(X) axiom sets new bug normal 7.6.2 Compiler (Type checker) 4295 Review higher-rank and impredicative types new bug normal 7.6.2 Compiler 5075 CPR optimisation for sum types if only one constructor is used new feature request normal 7.6.2 Compiler 5320 check_overlap panic (7.1 regression) new bug normal 7.6.2 Compiler 5344 CSE should look through coercions new feature request normal _|_ Compiler 5522 mc03 -O -fliberate-case -fspec-constr runs out of memory new bug normal 7.6.2 Compiler 5590 """guarded instances"": instance selection can add extra parameters to the class" new feature request normal 7.6.2 Compiler (Type checker) 5722 GHC inlines class method forever new bug normal _|_ Compiler 5809 Arity analysis could be better new bug normal 7.6.2 Compiler 5945 Lambda lifting new bug normal 7.8.1 Compiler 6018 Injective type families new feature request normal 7.8.1 Compiler 6040 Adding a type signature changes heap allocation into stack allocation without changing the actual type new bug normal 7.8.1 Compiler 6047 GHC retains unnecessary binding new bug normal 7.6.2 Compiler 6056 INLINABLE pragma prevents worker-wrapper to happen. new bug normal 7.8.1 Compiler 6062 TH treats non-functions in function position inconsistently new bug normal 7.8.1 Compiler 6070 Fun with the demand analyser new bug normal 7.8.1 Compiler 6089 Allow declaration splices inside declaration brackets new feature request normal 7.8.1 Template Haskell 6092 Liberate case not happening new bug normal 7.8.1 Compiler 7057 Simplifier infinite loop regression new bug normal 7.8.1 Compiler 7066 isInstance does not work for compound types new bug normal 7.8.1 Template Haskell 7109 Inlining depends on datatype size, even with INLINE pragmas new bug normal 7.8.1 Compiler 7141 Inlining the single method of a class can shadow rules new bug normal 7.8.1 Compiler 7148 generalized newtype and type families is unsound new bug normal 7.8.1 Compiler (Type checker) 7206 Implement cheap build new bug normal _|_ Compiler 7241 GHC-7.6.1 panics on template haskell code new bug normal 7.8.1 Template Haskell 7258 Compiling DynFlags is jolly slow new bug normal 7.8.1 Compiler 7259 Eta expansion of products in System FC new bug normal 7.8.1 Compiler 7296 ghc-7 assumes incoherent instances without requiring language `IncoherentInstances` new bug normal 7.8.1 Compiler (Type checker) 7437 peculiar behaviour with default instances and type variables new bug normal 7.8.1 Compiler 7503 Bug with PolyKinds, type synonyms & GADTs new bug normal 7.8.1 Compiler (Type checker) 7542 GHC doesn't optimize (strict) composition with id new bug normal 7.8.1 Compiler 7558 Terrible error message when given and wanted are both insoluble new bug normal 7.8.1 Compiler 7596 Opportunity to improve CSE new bug normal 7.8.1 Compiler 7619 Make worker-wrapper unbox data families new feature request normal 7.8.1 Compiler 7643 Kind application error new bug normal 7.8.1 Compiler (Type checker) 7647 UNPACK polymorphic fields new feature request normal 7.8.1 Compiler 7771 RTS should provide stg_sel_n_noupd_closure new bug normal 7.8.1 Compiler 7788 Recursive type family causes <> new bug normal 7.8.1 Compiler (Type checker) 3831 SpecConstr should exploit cases where there is exactly one call pattern new bug high 7.8.1 Compiler 3927 Incomplete/overlapped pattern warnings + GADTs = inadequate new bug high 7.8.1 Compiler 4364 Template Haskell: Cycle in type synonym declarations new bug high 7.8.1 Compiler (Type checker) 5539 GHC panic - Simplifier ticks exhausted new bug high 7.6.2 Compiler 5763 Confusing error message new bug high 7.6.2 Compiler 5859 unsafeInterleaveIO duplicates computation when evaluated by multiple threads new bug high 7.6.2 libraries/base 5954 Performance regression 7.0 -> 7.2 (still in 7.4) new bug high 7.6.2 Compiler 6022 GHC infers over-general types new bug high 7.8.1 Compiler 6147 GeneralizedNewtypeDeriving should fail with data families new bug high 7.8.1 Compiler (Type checker) 7068 Extensive Memory usage (regression) new bug high 7.8.1 Compiler 3070 floor(0/0) should not be defined new bug lowest 7.6.2 Prelude 4413 (^^) is not correct for Double and Float new bug low 7.6.2 libraries/base 1176 Infinite loop when printing error message new bug low _|_ Compiler 7574 Register allocator chokes on certain branches with literals new bug high 7.8.1 Compiler (NCG) 7602 Threaded RTS performing badly on recent OS X (10.8?) new bug high 7.8.1 Runtime System 7678 GHC should compile cleanly with clang new bug high 7.8.1 Compiler 5443 Errors when shutting down the event manager loop new bug normal 7.6.2 Compiler 7133 GHCi: strange behaviour after CTRL-C, followed by 'hPutChar: resource vanished (Broken Pipe)' when quitting new bug normal 7.8.1 GHCi 7460 Double literals generated bad core new bug normal 7.8.1 Compiler 4245 ghci panic: thread blocked indefinitely in an MVar operation new bug high 7.6.2 GHCi 670 External Core is broken new bug normal _|_ External Core 5429 Docase notation as GHC extension new feature request normal 7.6.2 Compiler 4459 Polymorphic Data.Dynamic new feature request low 7.6.2 GHC API 17 Separate warnings for unused local and top-level bindings new feature request lowest _|_ Compiler 1612 GHC_PACKAGE_PATH and $topdir bug new bug lowest 7.6.2 Package system 2064 problems with duplicate modules new bug lowest 7.6.2 Package system 2340 Improve Template Haskell error recovery new feature request lowest 7.6.2 Template Haskell 2437 More accurate package dependencies new task lowest 7.6.2 Package system 3711 Bad error reporting when calling a function in a module which depends on a DLL on Windows new bug lowest 7.6.2 Runtime System 2401 aborting an STM transaction should throw an exception new bug low 7.6.2 Runtime System 3184 package.conf should be under /var, not /usr new bug low 7.6.2 Package system 3722 Haskeline Iconv needs HAVE_LANGINFO_H new bug low 7.6.2 libraries (other) 634 Implement a more efficient TArray new task normal _|_ Runtime System 1800 Template Haskell support for running functions defined in the same module new feature request normal _|_ Template Haskell 1826 unable to list source for should never occur new feature request normal _|_ GHCi 2630 installed packages should have a src-dirs field, for access to optionally installed sources new feature request normal _|_ Package system 3178 Fix linking -lpthread for semaphores new bug normal _|_ libraries/unix 3195 runghc failing sometimes new bug normal _|_ None 3545 As-patterns for type signatures new feature request normal _|_ Compiler (Type checker) 3615 GHCi doesn't allow the use of imported data contructors new feature request normal _|_ GHCi 3628 exceptions reported to stderr when they propagate past forkIO new bug normal _|_ libraries/base 3472 Porting through .hc files broken new bug high 7.8.1 Build System 418 throwTo to a thread inside 'block' new bug lowest _|_ Runtime System 552 GHCi :m doesn't restore default decl new bug lowest _|_ GHCi 602 Warning Suppression new task lowest 7.6.2 Compiler 860 CPP fails when a macro is used on a line containing a single quote character new feature request lowest _|_ Compiler 917 -O introduces space leak new bug lowest _|_ Compiler 926 infinite loop in ShutdownIOManager() new bug lowest _|_ Runtime System 1012 ghc panic with mutually recursive modules and template haskell new bug lowest 7.6.2 Template Haskell 1016 Avoidance of unaligned loads is overly conservative new task lowest 7.6.2 Compiler 1307 Warning refers to code not in the source new bug lowest _|_ Compiler 1365 -fbyte-code is ignored in a OPTIONS_GHC pragma new feature request lowest 7.6.2 GHCi 1379 Allow breakpoints and single-stepping for functions defined interactively new feature request lowest 7.6.2 GHCi 1420 Automatic heap profile intervals new feature request lowest 7.6.2 Profiling 1534 "[Debugger] Watch on accesses of ""variables""" new feature request lowest 7.6.2 GHCi 1572 Make it easy to find documentation for GHC and installed packages new task lowest 7.6.2 Compiler 1574 Broken link testing new feature request lowest 7.6.2 Documentation 1600 Optimisation: CPR the results of IO new task lowest 7.6.2 Compiler 1631 Make the External Package Table contain ModDetails not ModIface new task lowest 7.6.2 Compiler 1721 Make GHCi print the entire result of an interactive 'bind' statement new feature request lowest 7.6.2 Compiler 1727 Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression new bug lowest 7.6.2 Compiler (Parser) 1820 Windows segfault-catching only works for the main thread new bug lowest 7.6.2 Runtime System 1880 Unify flag descriptions to generate both docs and code new task lowest 7.6.2 Compiler 1883 "GHC can't find library using ""short"" name" new bug lowest 7.6.2 Compiler 1894 Add a total order on type constructors new feature request lowest 7.6.2 Compiler (Type checker) 2028 STM slightly conservative on write-only transactions new bug lowest 7.6.2 Compiler 2104 Add Labels new feature request lowest 7.6.2 Compiler 2110 Rules to eliminate casted id's new feature request lowest 7.6.2 Compiler 2119 explicitly importing deprecated symbols should elicit the deprecation warning new feature request lowest 7.6.2 Compiler 2123 implement waitForProcess using signals new task lowest 7.6.2 libraries/process 2135 Warn if functions are exported whose types cannot be written new feature request lowest 7.6.2 Compiler 2140 cpuTimePrecision is wrong for me on Windows (XP) new bug lowest 7.6.2 libraries/base 2147 unhelpful error message for a misplaced DEPRECATED pragma new bug lowest 7.6.2 Compiler 2159 Use a more efficient representation than [DynFlag] new bug lowest 7.6.2 Compiler 2168 ghci should show haddock comments for identifier new feature request lowest 7.6.2 GHCi 2184 if findExecutable finds a file that matchs the argument, check if it is an executable new bug lowest 7.6.2 libraries/directory 2215 :disable command to disable breakpoints new feature request lowest 7.6.2 GHCi 2258 ghc --cleanup new feature request lowest 7.6.2 Compiler 2260 Non-ideal error message for misplaced LANGUAGE pragma new bug lowest 7.6.2 Compiler (Parser) 2273 inlining defeats seq new bug lowest 7.6.2 Compiler 2289 Needless reboxing of values when returning from a tight loop new bug lowest 7.6.2 Compiler 2333 Emit a warning if an INLINE function is a loop breaker new feature request lowest 7.6.2 Compiler 2345 :browse limitations (browsing virtual namespaces, listing namespaces) new feature request lowest 7.6.2 GHCi 2346 Compilation of large source files requires a lot of RAM new bug lowest 7.6.2 Compiler 2365 Warn about suspicious flags in OPTIONS_GHC pragmas new feature request lowest 7.6.2 Compiler 2370 num009 fails on OS X 10.5? new bug lowest 7.6.2 Compiler 2374 MutableByteArray# is slower than Addr# new bug lowest 7.6.2 Compiler (NCG) 2387 Optimizer misses unboxing opportunity new bug lowest 7.6.2 Compiler 2450 Data.Complex.magnitude squares using ^(2 :: Int), which is slow new bug lowest 7.6.2 libraries/base 2459 "can't link haskell without ""main"" function, or -no-hs-main broken on windows?" new bug lowest 7.6.2 Driver 2460 provide -mwindows option like gcc new feature request lowest 7.6.2 Compiler 2522 Warning for missing export lists new feature request lowest 7.6.2 Compiler 2526 warn about missing signatures only for exported functions new feature request lowest 7.6.2 Compiler 2530 deriving Show adds extra parens for constructor with record syntax new bug lowest 7.6.2 Compiler 2531 Prune duplicates in ghci history new feature request lowest 7.6.2 GHCi 2550 Add an option to read file names from a file instead of the command line new feature request lowest 7.6.2 Compiler 2598 Avoid excessive specialisation in SpecConstr new feature request lowest 7.6.2 Compiler 2640 Treat -X flags consistently in GHCi new feature request lowest 7.6.2 Compiler 2641 Revise the rules for -XExtendedDeafultRules new feature request lowest 7.6.2 Compiler 2642 Improve SpecConstr for join points new bug lowest 7.6.2 Compiler 2648 Report out of date interface files robustly new feature request lowest 7.6.2 GHCi 2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported new bug lowest 7.6.2 Compiler 2721 Newtype deriving doesn't work with type families new feature request lowest 7.6.2 Compiler 2731 Avoid unnecessary evaluation when unpacking constructors new bug lowest 7.6.2 Compiler 2737 add :tracelocal to ghci debugger to trace only the expressions in a given function new feature request lowest 7.6.2 GHCi 2776 Document -pgmL (Use cmd as the literate pre-processor) new bug lowest 7.6.2 Documentation 2803 bring full top level of a module in scope when a breakpoint is hit in the module new feature request lowest 7.6.2 GHCi 2805 Test ffi009(ghci) fails on PPC Mac OS X new bug lowest 7.6.2 GHCi 2823 Another arity expansion bug new bug lowest 7.6.2 Compiler 2836 Data.Typeable does not use qualified names new feature request lowest 7.6.2 Compiler 2840 Top level string literals new bug lowest 7.6.2 Compiler 2867 "Make a way to tell GHC that a pragma name should be ""recognised""" new bug lowest 7.6.2 Compiler 2933 LDFLAGS ignored by build system new bug lowest 7.6.2 Build System 2945 add command :mergetrace new feature request lowest 7.6.2 GHCi 2946 tracing should be controled by a global flag new feature request lowest 7.6.2 GHCi 2950 show breakpoint numbers of breakpoints which were ignored during :force new feature request lowest 7.6.2 GHCi 2988 Improve float-in new bug lowest 7.6.2 Compiler 3000 :break command should recognize also nonexported top level symbols in qualified IDs new feature request lowest 7.6.2 GHCi 3003 Happy does not reject pragmas new bug lowest 7.6.2 Build System 3032 would be nice if -fno-code and --make worked together new feature request lowest 7.6.2 Compiler 3034 divInt# floated into a position which leads to low arity new bug lowest 7.6.2 Compiler 3055 Int / Word / IntN / WordN are unequally optimized new bug lowest 7.6.2 Compiler 3061 GHC's GC default heap growth strategy is not as good as other runtimes new bug lowest 7.6.2 Runtime System 3065 Reorder tests in quot to improve code new bug lowest 7.6.2 libraries/base 3073 Avoid reconstructing dictionaries in recursive instance methods new bug lowest 7.6.2 Compiler 3107 Over-eager GC when blocked on a signal in the non-threaded runtime new bug lowest 7.6.2 Runtime System 3123 make INLINE work for recursive definitions (generalized loop peeling/loop unrolling) new feature request lowest 7.6.2 Compiler 3138 Returning a known constructor: GHC generates terrible code for cmonad new bug lowest 7.6.2 Compiler 3140 (Windows?) GHCi doesn't load hierachical modules new feature request lowest 7.6.2 GHCi 3192 Add dynCompileCoreExpr :: GhcMonad m => Bool -> Expr CoreBind -> m Dynamic to ghc-api new feature request lowest 7.6.2 GHC API 3238 CInt FFI exports do not use C int in _stub.h header file new bug lowest 7.6.2 Compiler (FFI) 3251 split rts headers into public and private new feature request lowest 7.6.2 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 7.6.2 GHCi 3314 Add compilation date to +RTS --info new feature request lowest 7.6.2 Compiler 3321 -fhpc assumes original sources relative to the current directory new bug lowest 7.6.2 Compiler 3351 Generated ghc man page missing xrefs new bug lowest 7.6.2 Documentation 3355 Refactor Template Haskell syntax conversions new task lowest 7.6.2 Compiler 3452 Show type of most recent expression in GHCi new feature request lowest 7.6.2 GHCi 3458 Allocation where none should happen new bug lowest 7.6.2 Compiler 3470 OSX installer should give an informative error message when XCode is missing new bug lowest 7.6.2 Build System 3509 libffi.so not found on Mac OS X (10.5.8) new bug lowest 7.6.2 Build System 3533 mac installer package deletes old version of ghc new bug lowest 7.6.2 Compiler 3543 -fext-core doesn't force recompilation when .hcr file doesn't exist new bug lowest 7.6.2 Driver 3571 Bizzarely bloated binaries new bug lowest 7.6.2 Compiler 3606 The Ord instance for unboxed arrays is very inefficient new bug lowest 7.6.2 libraries (other) 3646 Enforce requirement that our repos contains a subset of upstream's patches new task lowest 7.6.2 Compiler 3725 Annotations not written to interface files new bug lowest 7.6.2 Compiler 3771 haddock: internal error: evacuate: strange closure type 19269 new bug lowest 7.6.2 Compiler 3781 Improve inlining for local functions new bug lowest 7.6.2 Compiler 3859 Problems with toClockTime on NetBSD new bug lowest 7.6.2 Compiler 3870 Avoid Haddock-links to the Prelude new feature request lowest 7.6.2 Documentation 3915 GHC panic; possibly related to mutually recursive modules new bug lowest 7.6.2 Compiler 3996 bug in GHC when compiling HOC (SVN revision 413) new bug lowest 7.6.2 Compiler 4017 Unhelpful error message in GHCi new bug lowest 7.6.2 Compiler 5340 wrong warning on incomplete case analysis in conjunction with empty data declarations new bug lowest _|_ Compiler 229 Integer overflow in array allocation new bug low _|_ libraries/base 307 Implicit Parameters and monomorphism new feature request low _|_ None 589 Various poor type error messages new bug low _|_ Compiler (Type checker) 597 Various error messages have inaccurate source locations new task low _|_ Compiler 1171 GHC doesn't respect the imprecise exceptions semantics new bug low _|_ Compiler 1192 GHC-only IOErrorType constructors, and is*Error(Type) functions new feature request low _|_ Compiler 1311 newtypes of unboxed types disallowed - documentation bug and/or feature request new feature request low _|_ Compiler 1388 Newbie help features new feature request low _|_ GHCi 1476 Template Haskell: splicing types and patterns new bug low _|_ Template Haskell 1498 Optimisation: eliminate unnecessary heap check in recursive function new bug low 7.6.2 Compiler 1628 warning(s) for using stolen syntax that's not currently enabled new feature request low _|_ Compiler 1768 More flexible type signatures for data constructors new feature request low _|_ Compiler 1928 Confusing type error message new bug low _|_ Compiler (Type checker) 2161 finaliser of a ForeignPtr called while references from unreachable threads exist new bug low 7.6.2 Runtime System 2182 ghc sessions (--make, --interactive, ghc api) erroneously retain instances new bug low _|_ GHCi 2204 Improve 'patterns not matched' warnings new feature request low _|_ Compiler 2356 GHC accepts multiple instances for the same type in different modules new bug low _|_ Compiler 2465 View + Pattern Match not fused sufficiently new bug low _|_ Compiler 2625 Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields new bug low _|_ Compiler 2708 Error message should suggest UnboxedTuples language extension new feature request low _|_ Compiler (Parser) 2896 Warning suggestion: argument not necessarily a binary operator new feature request low _|_ Compiler 2926 Foreign exported function returns wrong type new bug low _|_ Compiler (FFI) 3052 ghc FFI doesn't support thiscall new feature request low 7.6.2 Compiler (FFI) 3372 Allow for multiple linker instances new feature request low 7.6.2 Compiler 3373 GHC API is not thread safe new feature request low 7.6.2 GHC API 3427 control what sort of entity a deprecated pragma applies to new bug low 7.6.2 Compiler 3462 New codegen: allocate large objects using allocateLocal() new task low 7.6.2 Compiler 3464 Find import declaration importing a certain function new feature request low 7.6.2 GHCi 3483 "Some mechanism for eliminating ""absurd"" patterns" new feature request low 7.6.2 Compiler 3517 GHC has lots of extra hidden IOErrorType values new bug low 7.6.2 libraries/base 3547 Improve granularity of UndecidableInstances new feature request low 7.6.2 Compiler 3559 split ghci modules off into their own package new task low 7.6.2 GHCi 3588 ghc -M should emit dependencies on CPP headers new bug low 7.6.2 Compiler 3619 allow to set ghc search path globally (a'la CPATH) new feature request low 7.6.2 Compiler 3625 GHCI doesn't work with dtrace on OS X new bug low 7.6.2 GHCi 3632 lift restrictions on records with existential fields, especially in the presence of class constraints new feature request low 7.6.2 Compiler 3645 Layout and pragmas new feature request low 7.6.2 Compiler (Parser) 3649 inconsistent exception between unix/windows for running non-existant program new bug low 7.6.2 libraries/process 3697 Method selectors aren't floated out of loops new bug low 7.6.2 Compiler 3698 Bad code generated for zip/filter/filter loop new bug low 7.6.2 Compiler 3699 Wildcards in type functions new feature request low 7.6.2 Compiler 3701 allow existential wrapper newtypes new feature request low 7.6.2 Compiler 3704 Using -shared without -dynamic should be rejected on linux new bug low 7.6.2 Compiler 3712 Implement -dynamic-lib option new task low 7.6.2 Compiler 3713 Track -dynamic/-fPIC to avoid obscure linker errors new task low 7.6.2 Compiler 3739 ghc-cabal mishandles relative paths in arguments new bug low 7.6.2 Build System 3744 Comparisons against minBound/maxBound not optimised new bug low 7.6.2 Compiler 3753 Make ghci's -l option consistent with GNU ld's -l option new feature request low 7.6.2 GHCi 3755 Improve join point inlining new task low 7.6.2 Compiler 3766 Parsing of lambdas is not consistent with Haskell'98 report. new bug low 7.6.2 Compiler (Parser) 3767 SpecConstr for join points new bug low 7.6.2 Compiler 3786 showing function arguments when stopped at its definition new feature request low 7.6.2 GHCi 3844 Undeprecate #include (in at least some circumstances) new bug low 7.6.2 Compiler (FFI) 3869 RTS GC Statistics from -S should be logged via the eventlog system new feature request low 7.6.2 Runtime System 3881 section parse errors, e.g. ( let x=1 in x + ) new bug low 7.6.2 Compiler (Parser) 3895 """Fix"" pervasive-but-unnecessary signedness in GHC.Prim" new feature request low 7.6.2 Compiler 3924 Strictness analyser missing useful strictness new bug low 7.6.2 Compiler 3937 Cannot killThread in listen/accept on Windows threaded runtime new bug low 7.6.2 Runtime System 3946 Better diagnostic when entering a GC'd CAF new task low 7.6.2 Runtime System 3980 System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag new feature request low 7.6.2 libraries/unix 3990 UNPACK doesn't unbox data families new bug low 7.6.2 Compiler 4016 Strange display behaviour in GHCi new feature request low 7.6.2 Compiler 4019 deriving Ord can produce incorrect and inefficient instances new bug low 7.6.2 Compiler 4020 Please consider adding support for local type synonyms new feature request low 7.6.2 Compiler (Type checker) 4048 ghc-pkg should check for existence of extra-libraries new bug low 7.6.2 Package system 4049 Support for ABI versioning of C libraries new bug low 7.6.2 Build System 4052 Two sided sections new feature request low 7.6.2 Compiler 4096 New primops for indexing: index*OffAddrUsing# etc new feature request low 7.6.2 Compiler 4101 Primitive constant unfolding new bug low 7.6.2 Compiler 4105 ffi005 fails on OS X new bug low 7.6.2 Compiler 4114 Add a flag to remove/delete intermediate files generated by GHC new feature request low 7.6.2 Compiler 4121 Refactor the plumbing of CafInfo to make it more robust new bug low 7.6.2 Compiler 4124 GHC rejects instance quotations with splices in the instance head new bug low 7.6.2 Template Haskell 4128 Can't capture classes inside a template haskell type quotation new feature request low 7.6.2 Template Haskell 4135 Can't Quote Instance Associated Types in Template Haskell new bug low 7.6.2 Template Haskell 4140 dynHelloWorld(dyn) fails in an unreg build new bug low 7.6.2 Compiler 4150 CPP+QuasiQuotes confuses compilation errors' line numbers new bug low 7.6.2 Compiler (Parser) 4162 GHC API messes up signal handlers new bug low 7.6.2 GHC API 4170 "Invalid ""duplicate instance"" error" new bug low 7.6.2 Template Haskell 4176 reject unary minus in infix left hand side function bindings that resolve differently as expressions new bug low 7.6.2 Compiler 4180 do not consider associativity for unary minus for fixity resolution new feature request low 7.6.2 Compiler (Parser) 4196 add more stolen syntax to the user guide new task low 7.6.2 Documentation 4215 canonicalizePath behaves strangely with paths that do not exist new bug low 7.6.2 libraries/directory 4222 Template Haskell lets you reify supposedly-abstract data types new feature request low 7.6.2 Compiler 4230 Template Haskell: less type checking in quotations? new feature request low 7.6.2 Compiler 4267 Strictness analyser is to conservative about passing a boxed parameter new bug low 7.6.2 Compiler 4288 Poor -fspec-constr-count=n warning messages new bug low 7.6.2 Compiler 4301 Optimisations give bad core for foldl' (flip seq) () new bug low 7.6.2 Compiler 4308 LLVM compiles Updates.cmm badly new bug low 7.6.2 Compiler (LLVM) 4316 "Interactive ""do"" notation in GHCi" new feature request low 7.6.2 GHCi 4329 GHC.Conc modifyTVar primitive new feature request low 7.6.2 Compiler 4340 Add alignment to hsc2hs template new feature request low 7.6.2 Compiler (FFI) 4366 in-tree GMP build problem with shared libraries new bug low 7.6.2 Build System 4426 Simplify the rules for implicit quantification new feature request low 7.6.2 Compiler 4428 Local functions lose their unfoldings new bug low 7.6.2 Compiler 4440 time004 fails depending on the date new bug low 7.6.2 Test Suite 4442 Add unaligned version of indexWordArray# new feature request low 7.6.2 libraries (other) 4453 Allow specifying .hi files of imports on command line in batch mode new feature request low 7.6.2 Compiler 4463 CORE notes break optimisation new bug low _|_ Compiler 4466 Add extension for type application new feature request low 7.6.2 Compiler 4471 Incorrect Unicode output on Windows Console new bug low 7.6.2 Compiler 4479 Add Type Directed Name Resolution new feature request low 7.6.2 Compiler (Type checker) 4505 Segmentation fault on long input (list of pairs) new bug low 7.6.2 Compiler 4520 "startup code on Windows should use SetDllDirectory("""")" new feature request low 7.6.2 Runtime System 4800 Memory Leak when Compiling qtHaskell new bug low 7.6.2 Compiler 4806 Make error message more user friendly when module is not found because package is unusable new feature request low 7.6.2 Compiler 4815 Instance constraints should be used when deriving on associated data types new feature request low 7.6.2 Compiler 4823 Loop strength reduction for array indexing new feature request low 7.6.2 Compiler 4824 Windows: Dynamic linking doesn't work out-of-the-box new bug low 7.6.2 Runtime System 4833 Finding the right loop breaker new bug low 7.6.2 Compiler 4836 literate markdown not handled correctly by unlit new bug low 7.6.2 Compiler 4837 Template Haskell does not work in a profiled compiler. new bug low 7.6.2 Profiling 4846 Newtype derving used wrongly new bug low 7.6.2 Compiler 4861 Documentation for base does not include special items new bug low 7.6.2 libraries/base 4896 Deriving Data does not work for attached code new bug low 7.6.2 Compiler 4913 Make event tracing conditional on an RTS flag only new feature request low 7.6.2 Runtime System 4921 report ambiguous type variables more consistently new feature request low 7.6.2 Compiler (Type checker) 4931 hsc2hs emits invalid OPTIONS_GHC pragmas new bug low 7.6.2 hsc2hs 4938 Core2 CPU not detected correctly new bug low 7.6.2 Compiler 4942 GHC.ConsoleHandler does not call back application when Close button is pressed new bug low 7.6.2 GHC API 4955 increase error message detail for module lookups failure due to hi references new bug low 7.6.2 Compiler 4959 Warning about variables with leading underscore that are used anyway new feature request low 7.6.2 Compiler (Parser) 4960 Better inlining test in CoreUnfold new bug low 7.6.2 Compiler 4980 Warning about module abbreviation clashes new feature request low 7.6.2 Compiler 4985 Improve locations in ghci errors new bug low 7.6.2 Compiler 5013 sporadic failures during compilation under solaris new bug low 7.6.2 Compiler 5014 canonicalizePath throws exception on paths that do not exist new bug low 7.6.2 libraries/directory 5016 Make Template Haskell: -ddump-splices generate executable code new feature request low 7.6.2 Template Haskell 5041 Incorrect Read deriving for MagicHash constructors new bug low _|_ Compiler 5059 Pragma to SPECIALISE on value arguments new feature request low 7.6.2 Compiler 5062 Patch: Debug output for OS X linker and coding standard upgrades new bug low 7.6.2 Runtime System 5063 unix package has untracked dependency on libbsd new bug low 7.6.2 libraries/unix 5073 Add blockST for nested ST scopes new bug low 7.6.2 Compiler 5171 Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement new feature request low 7.6.2 Compiler 5188 Runtime error when allocating lots of memory new bug low 7.6.2 GHCi 5190 TinyCoreLinux extension new bug low 7.6.2 Build System 5197 Support static linker semantics for archives and weak symbols new feature request low 7.6.2 Runtime System 5202 Docs on strictness info out of date new bug low 7.6.2 Documentation 5209 ^C doesn't correctly reset the prompt from within multiline commands in ghci new bug low 7.6.2 GHCi 5219 need a version of hs_init that returns an error code for command-line errors new feature request low 7.6.2 Runtime System 5248 Infer type context in a type signature new feature request low 7.6.2 Compiler (Type checker) 5251 copyFile does not copy metadata new bug low 7.6.2 libraries/directory 5262 Compiling with -O makes some expressions too lazy and causes space leaks new bug low 7.6.2 Compiler 5266 Licensing requirements and copyright notices new feature request low 7.6.2 None 5273 error and undefined should print a location new feature request low 7.6.2 Compiler 5288 Less noisy version of -fwarn-name-shadowing new feature request low 7.6.2 Compiler 5291 GhcDynamic build fails on Windows: can't find DLLs new bug low 7.6.2 Build System 5292 libHSghc exports more symbols than Windows can handle new bug low 7.6.2 Compiler 5296 Add explicit type applications new feature request low 7.6.2 Compiler (Type checker) 5298 Inlined functions aren't fully specialised new bug low 7.6.2 Compiler 5305 crash after writing around 40 gigabytes to stdout new bug low 7.6.2 Compiler 5308 Generalize -msse2 command line flag to -msse new feature request low 7.6.2 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 5376 Quotation in System.Process.system for Windows new bug low 7.6.2 libraries/process 5378 unreg compiler: warning: conflicting types for built-in function ‘memcpy’ new bug low 7.6.2 Compiler 5387 ffi/should_run fptr02 fails on OS X amd64 new bug low 7.6.2 Compiler 5388 ghcilink003 and ghcilink006 fail on OSX new bug low 7.6.2 Compiler 5495 simple program fails with -shared on mac new bug low 7.6.2 Compiler 5537 ghc doesn't find libffi.so.5 in testsuite new bug low 7.6.2 Test Suite 5608 Fix T3807 for Mac OS X 10.5 new bug low 7.6.2 Test Suite 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 7.6.2 hsc2hs 5957 signatures are too permissive new bug low _|_ Compiler (Type checker) 5959 Top level splice in Template Haskell has over-ambitious lexical scope? new bug low 7.6.2 Compiler 6034 Parse error when using ' with promoted kinds new bug low _|_ Compiler (Parser) 95 GHCi :edit command should jump to the the last error new feature request normal _|_ GHCi 110 Cygwin binaries new feature request normal _|_ None 149 missed CSE opportunity new bug normal _|_ Compiler 285 hp-ux 11.11 binaries new feature request normal _|_ None 368 Provide a Java Backend new feature request normal _|_ Compiler 436 Declare large amounts of constant data new feature request normal _|_ Compiler 457 Strictness problem new bug normal _|_ Compiler 472 Supertyping of classes new feature request normal _|_ Compiler (Type checker) 487 powerpc/linux segfaulting binaries new bug normal _|_ Compiler 595 Overhaul GHC's overlapping/non-exhaustive pattern checking new task normal _|_ Compiler 599 The Front Panel new task normal _|_ Runtime System 603 GC-spy connection new task normal _|_ Runtime System 605 Optimisation: strict enumerations new task normal _|_ Compiler 617 Alpha port new task normal _|_ Compiler 618 Dependency caching in ghc --make new task normal _|_ Compiler 624 Program location for thread error messages new task normal _|_ Compiler 703 all binaries built by ghc have executable stacks new merge normal 6.6.1 Compiler (NCG) 728 switch to compacting collection when swapping occurs new feature request normal _|_ Runtime System 750 Set -M, -H, -c and other memory-related values based on available virtual/physical memory new feature request normal _|_ Runtime System 806 hGetBufNonBlocking doesn't work on Windows new bug normal _|_ libraries/base 816 Weird fundep behavior (with -fallow-undecidable-instances) new bug normal _|_ Compiler (Type checker) 849 Offer control over branch prediction new feature request normal 7.6.2 Compiler 855 Improvements to SpecConstr new task normal _|_ Compiler 881 Improve space profiling for references new feature request normal _|_ Profiling 888 Implement the static argument transformation new task normal 7.6.2 Compiler 910 --make should have a -j flag for parallel building new feature request normal _|_ Compiler 947 ghc -O space leak: CSE between different CAFs new bug normal _|_ Compiler 960 Lexical call site string new feature request normal _|_ Compiler 989 "Windows ""native"" port" new task normal _|_ Compiler 1009 GHC Performance Index new task normal _|_ Build System 1057 Implicit parameters on breakpoints new bug normal _|_ GHCi 1062 Bad output from Text.PrettyPrint.HughesPJ new bug normal _|_ libraries/pretty 1087 bang patterns with infix ops new bug normal _|_ Compiler (Parser) 1147 Quadratic behaviour in the compacting GC new bug normal _|_ Runtime System 1168 Optimisation sometimes decreases sharing in IO code new bug normal _|_ Compiler 1262 RecursiveDo in Template Haskell new feature request normal _|_ Template Haskell 1273 would like to print partial application values when at a breakpoint new feature request normal _|_ GHCi 1290 ghc runs preprocessor too much new bug normal _|_ Driver 1308 Type signature in warning is wrong new bug normal _|_ Compiler 1318 add warning for prefix negate operator and flag to replace it with negative numeric literals new feature request normal _|_ Compiler (Parser) 1349 Generalise the ! and UNPACK mechanism for data types, to unpack function arguments new task normal 7.6.2 Compiler 1371 Add -O3 new task normal _|_ Compiler 1399 better support for developing threaded applications in ghci new feature request normal _|_ GHCi 1404 allow more type signatures new feature request normal _|_ Compiler (Type checker) 1405 Make ghc (stage1) be compilable by non-GHC new task normal _|_ Compiler 1409 Allow recursively dependent modules transparently (without .hs-boot or anything) new feature request normal _|_ Compiler 1444 Template Haskell: add proper support for qualified names in non-splicing applications new feature request normal _|_ Template Haskell 1451 Provide way to show the origin of a constraint new feature request normal _|_ Compiler (Type checker) 1473 isSpace is too slow new bug normal _|_ libraries/base 1475 Adding imports and exports with Template Haskell new feature request normal _|_ Template Haskell 1477 ghci shouldn't link entire package new feature request normal _|_ GHCi 1480 Template Haskell should allow reification of modules new feature request normal _|_ Template Haskell 1526 -fobject-code doesn't apply to expressions typed at the prompt new bug normal _|_ Compiler 1530 debugging :steps inside TH spliced code need to be bypassed new bug normal _|_ GHCi 1532 Implicit parameters are not available in breakpoints new feature request normal _|_ GHCi 1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient new bug normal 7.6.2 Compiler 1614 Type checker does not use functional dependency to avoid ambiguity new bug normal _|_ Compiler (Type checker) 1687 A faster (^)-function. new bug normal _|_ Prelude 1791 heap overflow should generate an exception new feature request normal _|_ Runtime System 1830 Automatic derivation of Lift new feature request normal _|_ Template Haskell 1831 reify never provides the declaration of variables new bug normal _|_ Template Haskell 1921 change default to support extensions that involve a change of syntax new feature request normal _|_ Compiler 1965 Allow unconstrained existential contexts in newtypes new feature request normal 7.6.2 Compiler 1974 "length ""foo"" doesn't work with -XOverloadedStrings" new feature request normal _|_ Compiler 2031 relocation overflow new bug normal _|_ Compiler 2041 Allow splicing in concrete syntax new feature request normal _|_ Template Haskell 2057 inconsistent .hi file error gets ignored new bug normal _|_ Compiler 2101 Allow some form of type-level lemma new feature request normal _|_ Compiler 2132 Optimise nested comparisons new bug normal _|_ Compiler 2189 hSetBuffering stdin NoBuffering doesn't work on Windows new bug normal 7.6.2 libraries/base 2200 big static random access arrays new feature request normal _|_ Compiler 2207 Load the interface details for GHC.* even without -O new feature request normal _|_ Compiler 2255 Improve SpecConstr for free variables new bug normal _|_ Compiler 2301 Proper handling of SIGINT/SIGQUIT new bug normal 7.6.2 libraries/process 2344 oddity with package prefixes for data constructors new feature request normal _|_ GHCi 2427 Allow compilation of source from stdin new feature request normal _|_ Compiler 2456 For higher kinds, instance declarations need quantification in the context new feature request normal _|_ Compiler 2489 Registry keys are created in per-user HKCU instead of system-wide HKLM new bug normal _|_ None 2528 nub not as reliable as nubBy new bug normal 7.8.1 libraries/base 2595 Implement record update for existential and GADT data types new feature request normal 6.12 branch Compiler 2607 Inlining defeats selector thunk optimisation new bug normal _|_ Compiler 2628 hIsTerminalDevice returns True for /dev/null (aka NUL) on Windows new bug normal _|_ libraries/base 2697 bad testsuite results with ghc-6.10.0.20081007 new bug normal _|_ Compiler 2742 The -> in ViewPatterns binds more weakly than infix data constructors. new feature request normal _|_ Compiler 2786 Blackhole loops are not detected and reported in GHCi new bug normal _|_ GHCi 2841 Ghci + foreign export declarations result in undefined symbols new bug normal _|_ Compiler (FFI) 2893 "Implement ""Quantified contexts"" proposal" new feature request normal _|_ Compiler 2895 "Implement the ""Class System Extension"" proposal" new feature request normal _|_ Compiler 2917 alloca and allocaArray do not respect alignment new bug normal _|_ Compiler (FFI) 3021 A way to programmatically insert marks into heap profiling output new feature request normal _|_ Profiling 3024 Rewrite hp2ps in Haskell new task normal _|_ Profiling 3048 Heap size suggestion gets ignored when -G1 flag is passed new bug normal _|_ Runtime System 3081 Double output after Ctrl+C on Windows new bug normal _|_ Runtime System 3085 warn about language extensions that are not used new feature request normal 7.6.2 Compiler 3134 encodeFloat . decodeFloat new bug normal _|_ Prelude 3205 Generalized isomorphic deriving new feature request normal _|_ Compiler 3215 Valgrind support new feature request normal _|_ Runtime System 3217 Make GHCi have separate flags for interactive Haskell expressions new feature request normal 7.6.2 Compiler 3242 ghci: can't load .so/.DLL for: m (addDLL: could not load DLL) new bug normal 7.6.2 GHCi 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 3333 GHCi doesn't load weak symbols new bug normal 7.6.2 GHCi 3353 Add CLDouble support new bug 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 3379 GHC should use the standard binary package new task normal 7.6.2 Compiler 3384 Add HsSyn prettyprinter tests new task normal _|_ Test Suite 3447 Class restrictions on type instances new feature request normal _|_ Compiler 3490 Relax superclass restrictions new feature request normal _|_ Compiler 3511 port GHC to OpenBSD/sparc64 (unregisterised is fine) new task normal _|_ Compiler 3541 Allow local foreign imports new feature request normal _|_ Compiler (FFI) 3549 unlit does not follow H98 spec new bug normal _|_ Compiler 3557 CPU Vector instructions in GHC.Prim new feature request normal _|_ Compiler (NCG) 3583 Default view patterns new feature request normal _|_ Compiler 3601 When running two or more instances of GHCi, persistent history is only kept for the first one new feature request normal _|_ GHCi 3654 Mach-O GHCi linker lacks support for a range of relocation entries new bug normal 7.6.2 Runtime System 3676 realToFrac doesn't sanely convert between floating types new bug normal _|_ libraries (other) 3693 Show stack traces new feature request normal 7.6.2 Runtime System 3765 "Rules should ""look through"" case binders too" new bug normal _|_ Compiler 3769 Add manpages for programs installed alongside ghc new feature request normal _|_ Documentation 3814 Compile to more than one (sub)-architecture new feature request normal _|_ Compiler 3827 Compiling fails on linux-powerpc new bug normal _|_ Compiler 3872 New way to make the simplifier diverge new bug normal _|_ Compiler 3919 Or-patterns as GHC extension new feature request normal _|_ Compiler 3971 FFI callback segfaults on PPC new bug normal _|_ Compiler (FFI) 3984 Handle multiline input in GHCi history new feature request normal 7.6.2 GHCi 3995 Comment delimiters ignored inside compiler pragma new bug normal _|_ Compiler (Parser) 3998 strace breaks System.Process(?) new bug normal _|_ libraries/process 4005 Bad behaviour in the generational GC with paraffins -O2 new bug normal _|_ Runtime System 4029 ghci leaks memory when loading a file new bug normal _|_ GHCi 4043 Parsing of guards, and type signatures new bug normal _|_ Compiler (Parser) 4091 Parse error on curried context of instance declaration new feature request normal _|_ Compiler 4092 Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64# new feature request normal 7.6.2 Compiler 4102 Bit manipulation built-ins new feature request normal 7.6.2 libraries/base 4139 Spurious non-exhaustive pattern match warnings are given using GADTs new bug normal 7.0.1 Compiler 4259 Relax restrictions on type family instance overlap new feature request normal 7.8.1 Compiler (Type checker) 4268 Annotation extension needs a flag new bug normal 7.6.2 Compiler 4347 Bug in unification of polymorphic and not-yet-polymorphic type new bug normal 7.6.2 Compiler (Type checker) 4370 Bring back monad comprehensions new feature request normal _|_ Compiler 4372 Extending quasiquotation support new bug normal 7.6.2 Template Haskell 4470 Loop optimization: identical counters new feature request normal 7.6.2 Compiler 4894 Missing improvement for fun. deps. new feature request normal _|_ Compiler (Type checker) 4900 DEPENDS pragma new feature request normal 7.6.2 Compiler 4934 threadWaitRead works incorrectly on nonthreaded RTS new bug normal _|_ Runtime System 4937 Remove indirections caused by sum types, such as Maybe new feature request normal 7.6.2 Compiler 4941 SpecConstr generates functions that do not use their arguments new task normal _|_ Compiler 5071 GHCi crashes on large alloca/allocaBytes requests new bug normal _|_ Compiler 5082 Emit warnings when conflicting flags are supplied new feature request normal _|_ Compiler 5108 Allow unicode sub/superscript symbols in both identifiers and operators new feature request normal 7.6.2 Compiler (Parser) 5144 Pattern synonyms new feature request normal _|_ Compiler 5239 "Em-dash for ""--"" with UnicodeSyntax." new feature request normal 7.6.2 Compiler (Parser) 5289 Can't use ghci with a library linked against libstdc++ new bug normal 7.6.2 GHCi 5324 Locally-scoped RULES new feature request normal _|_ Compiler 5355 Link plugins against existing libHSghc new bug normal 7.6.2 Compiler 5364 Access RTS flag values from inside Haskell programs new feature request normal 7.6.2 libraries/base 5392 Warnings about impossible MPTCs would be nice new feature request normal 7.6.2 Compiler 5400 GHC loops on compiling with optimizations new bug normal _|_ Compiler 5412 dataTypeConstrs gives unhelpful error message new bug normal 7.6.2 libraries/base 5416 Local modules and Template Haskell declaration splices new feature request normal _|_ Compiler 5435 GHCi linker should run constructors for linked libraries new bug normal 7.8.1 Compiler 5444 Slow 64-bit primops on 32 bit system new bug normal 7.6.2 Compiler 5448 GHC stuck in infinite loop compiling with optimizations new bug normal _|_ Compiler 5462 Deriving clause for arbitrary classes new feature request normal 7.6.2 Compiler 5463 SPECIALISE pragmas generated from Template Haskell are ignored new bug normal 7.6.2 Template Haskell 5466 Documentation for Chan could be better new bug normal _|_ libraries/base 5467 Template Haskell: support for Haddock comments new feature request normal 7.6.2 Template Haskell 5476 Cap memory usage for one thread without disrupting other threads new feature request normal _|_ Runtime System 5498 Generalized newtype deriving allows creating of instances I can't create by hand new bug normal 7.6.2 Compiler 5542 "also parse class/instance declarations as ""HEAD <= CONTEXT where""" new feature request normal 7.6.2 Compiler (Parser) 5556 Support pin-changing on ByteArray#s new feature request normal 7.6.2 Compiler 5619 Shorter qualified import statements new feature request normal 7.6.2 Compiler 5630 External Core needs love new bug normal 7.6.2 Compiler 5641 The -L flag should not exist new bug normal 7.6.2 Profiling 5645 Sharing across functions causing space leak new bug normal 7.6.2 Compiler 5647 "CLI option to silence ""Loading package foo ... linking ... done"" output" new feature request normal 7.6.2 Compiler 5666 Can't use writeFile to write unicode characters. new bug normal 7.6.2 libraries (other) 5687 Friendly Interface for auto-completion of GHCi new feature request normal 7.6.2 GHCi 5724 Confusing warning message for incomplete patterns new bug normal 7.6.2 Compiler 5728 Warnings from -fwarn-incomplete-record-updates even with all constructors matched new bug normal _|_ Compiler 5761 Getting stdout and stderr as a single handle from createProcess does not work on Windows new bug normal 7.6.2 libraries/process 5762 GHC gives incorrect warnings with simple applications of the view patterns extension new bug normal _|_ Compiler 5775 Inconsistency in demand analysis new bug normal 7.6.2 Compiler 5791 Defer other kinds of errors until runtime, not just type errors new task normal 7.6.2 Compiler 5797 readRawBufferPtr cannot be interrupted by exception on Windows with -threaded new bug normal _|_ libraries/base 5813 Offer a compiler warning for failable pattern matches new feature request normal 7.6.2 Compiler 5821 SPECIALISE fails with a cryptic warning new bug normal 7.6.2 Compiler 5823 FFI and CAPI needs {-# INCLUDE #-} back? new feature request normal 7.6.2 Compiler 5834 Allow both INLINE and INLINABLE for the same function new feature request normal 7.6.2 Compiler 5835 Make better use of known dictionaries new feature request normal 7.6.2 Compiler 5841 seg fault in ghci but not ghc when using chart-gtk code new bug normal 7.6.2 Compiler 5844 Panic on generating Core code new bug normal 7.6.2 External Core 5850 Greater customization of GHCi prompt new feature request normal 7.6.2 GHCi 5889 -fno-prof-count-entries leads to linking errors new bug normal 7.6.2 Compiler 5898 ghc: internal error: Invalid Mach-O file new bug normal 7.6.2 Compiler 5907 Crashed loading package Safe new bug normal 7.6.2 Package system 5916 runST isn't free new bug normal 7.6.2 Compiler 5924 Bad Cmm generated for updating one element in Array# new bug normal 7.6.2 Compiler 5925 Add inline version of newArray# new feature request normal 7.6.2 Compiler 5927 "A type-level ""implies"" constraint on Constraints" new feature request normal 7.6.2 Compiler (Type checker) 5928 INLINABLE fails to specialize in presence of simple wrapper new bug normal 7.6.2 Compiler 5941 Add compilation stage plugins new feature request normal 7.8.1 Compiler 5942 implement POSIX confstr() in System/Posix/Unistd.hsc new feature request normal 7.6.2 libraries/unix 5949 Demand analysis attributes manifestly wrong demand type new bug normal 7.8.1 Compiler 5966 getAppUserDataDirectory does not respect XDG specification new bug normal 7.6.2 libraries/directory 5974 Casts, rules, and parametricity new bug normal _|_ Compiler 5982 Incorrect dynamic library name in OSX new bug normal 7.6.2 libraries/base 5983 Libraries installed in wrong place new bug normal 7.6.2 libraries/base 5985 Type operators are not accepted as variables in contexts new bug normal 7.6.2 Compiler 6016 On Windows, runhaskell hits an error on UTF-8 files with a BOM new bug normal 7.6.2 Compiler (Parser) 6024 Allow defining kinds alone, without a datatype new feature request normal 7.8.1 Compiler (Type checker) 6030 Typeclass constraint should pick the OverloadedString type. new feature request normal _|_ Compiler 6037 Compile-time crash with sources with non-representable unicode characters new bug normal 7.8.1 Compiler 6065 Suggested type signature causes a type error (even though it appears correct) new bug normal _|_ Compiler (Type checker) 6079 SEH exception handler not implemented on Win64 new bug normal 7.6.2 Runtime System 6087 Join points need strictness analysis new bug normal 7.6.2 Compiler 6101 Show instance for integer-simple is not lazy enough new bug normal 7.8.1 libraries (other) 6107 GHCi runtime linker cannot link with duplicate common symbols new bug normal 7.8.1 Compiler 6113 Profiling with -p not written if killed with SIGTERM new bug normal 7.6.2 Profiling 6124 Spurious non-exhaustive warning with GADT and newtypes new bug normal 7.8.1 Compiler (Type checker) 6132 Can't use both shebang line and #ifdef declarations in the same file. new bug normal 7.8.1 Compiler 6135 Unboxed Booleans new feature request normal 7.8.1 Compiler 6149 ghc-7.4.2 tests for profasm seg-fault under solaris new bug normal 7.8.1 Compiler 7015 Add support for 'static' new feature request normal 7.8.1 Compiler 7021 Tuple (and other exotic predicates) not yet handled in Template Haskell new feature request normal 7.8.1 Template Haskell 7026 Impredicative implicit parameters new bug normal _|_ Compiler (Type checker) 7033 stale .tix files can cause programs built with -fhpc to segfault new bug normal 7.8.1 Code Coverage 7044 reject reading rationals with exponent notation new bug normal 7.8.1 Compiler 7045 The `Read` instance of `Rational` does not support decimal notation new bug normal 7.6.2 libraries/base 7048 Add the ability to statically define a `FunPtr` to a haskell function new feature request normal 7.8.1 Compiler 7072 GHC interpreter does not find stat64 symbol on Linux new bug normal 7.8.1 GHCi 7080 Make RULES and SPECIALISE more consistent new bug normal _|_ Compiler 7081 arrow analogs of lambda case and multi-way if new feature request normal 7.8.1 Compiler 7114 Cannot recover (good) inlining behaviour from 7.0.2 in 7.4.1 new bug normal 7.8.1 Compiler 7140 Allow type signature in export list new feature request normal 7.8.1 Compiler (Type checker) 7158 GHCi commands case insensitive new feature request normal 7.8.1 GHCi 7161 hSetNewlineMode and hSetEncoding can be performed on closed and semi-closed handles new bug normal 7.8.1 libraries/base 7169 Warning for incomplete record field label used as function new feature request normal 7.8.1 Compiler 7181 Add documentation on heap-profile file format. new feature request normal 7.8.1 Documentation 7186 problems with typelits and typenats new bug normal 7.8.1 Compiler (Type checker) 7190 GHC's -fprof-auto does not work with LINE pragmas new bug normal 7.8.1 Profiling 7204 Use a class to control FFI marshalling new feature request normal 7.8.1 Compiler 7245 INLINEing top-level patterns causes ghc to emit 'arity missing' traces new bug normal 7.8.1 Compiler 7246 Callstack depends on way (prof, profasm, profthreaded new bug normal 7.8.1 Profiling 7253 Top-level bindings in ghci new feature request normal 7.8.1 GHCi 7261 ghci's :info and :browse break encapsulation new feature request normal _|_ GHCi 7283 Specialise INLINE functions new feature request normal 7.8.1 Compiler 7285 mkWeakMVar is non-compositional new feature request normal 7.8.1 Compiler 7291 hp2ps should cope with incomplete data new feature request normal _|_ Profiling 7305 T5975a is broken on Windows new bug normal 7.8.1 Test Suite 7307 Share top-level code for strings new bug normal 7.8.1 Compiler 7309 The Ix instance for (,) leaks space in range new bug normal _|_ libraries (other) 7329 ghc-7.6.1 win64: internal error: R_X86_6 4_PC32: High bits are set in WSAGetLastError new bug normal 7.8.1 GHCi 7331 Allow the evaluation of declaration splices in GHCi new feature request normal 7.8.1 GHCi 7335 Need for extra warning pragma for accidental pattern matching in do blocks new feature request normal 7.8.1 Compiler 7337 GHC does not generate great code for bit-level rotation new feature request normal 7.8.1 Compiler 7353 Make system IO interruptible on Windows new bug normal 7.8.1 libraries/base 7367 Optimiser / Linker Problem on amd64 new bug normal 7.8.1 Build System 7373 When building GHC: Failed to load interface for `GHC.Fingerprint' new bug normal 7.8.1 libraries/base 7374 rule not firing new bug normal 7.8.1 Compiler 7378 Identical alts/bad divInt# code new bug normal 7.8.1 Compiler 7379 rangeTest test fails on Windows new bug normal 7.8.1 libraries/random 7380 Panic: mkNoTick: Breakpoint loading modules with -O2 via API new bug normal 7.8.1 GHC API 7389 can't link postgresql-libpq on windows new bug normal 7.8.1 GHCi 7395 DefaultSignatures conflict with default implementations new feature request normal 7.8.1 Compiler 7398 RULES don't apply to a newtype constructor new bug normal 7.8.1 Compiler 7399 Test Posix004 fails in test-suite new bug normal 7.8.1 libraries/unix 7413 runghc (runhaskell) should be able to reload code on editing new feature request normal 7.8.1 Compiler 7414 plugins always trigger recompilation new feature request normal 7.8.1 Compiler 7428 GHC compile times are seriously non-linear in program size new bug normal 7.8.1 Compiler 7430 GHC API reports CPP errors in confusing ways new bug normal 7.8.1 GHC API 7443 Generated C code under -prof -fprof-auto -fprof-cafs very slow to compile new bug normal 7.8.1 Profiling 7450 Regression in optimisation time of functions with many patterns (6.12 to 7.4)? new bug normal 7.8.1 Compiler 7461 "Error messages about ""do"" statements contain false information" new bug normal 7.8.1 Compiler (Type checker) 7473 getModificationTime gives only second-level resolution new bug normal 7.8.1 libraries/directory 7475 Mysterious Data.Word Segmentation Fault in GHCi new bug normal 7.8.1 Compiler 7477 reifyInstances can't deal with polykinded type families new bug normal 7.8.1 Compiler 7484 Template Haskell allows building invalid record fields/names new bug normal 7.8.1 Template Haskell 7494 Allow compatible type synonyms to be the return type of a GADT data constructor. new feature request normal 7.8.1 Compiler (Type checker) 7495 Rebindable list syntax? new feature request normal 7.8.1 Compiler 7500 GHC: internal error: getMBlock: mmap: Operation not permitted new bug normal 7.8.1 Compiler 7505 Commentary shipped with GHC sources is outdated new bug normal 7.8.1 Documentation 7511 Room for GHC runtime improvement >~5%, inlining related new bug normal 7.8.1 Compiler 7520 Implement cardinality analysis new bug normal 7.8.1 Compiler 7535 Using -with-rtsopts=-N should fail unless -threaded is also specified new bug normal 7.8.1 Compiler 7539 Hard ghc api crash when calling runStmt on code which has not been compiled new bug normal 7.8.1 Compiler 7543 Constraint synonym instances new bug normal 7.8.1 Compiler 7593 Unable to print exceptions of unicode identifiers new bug normal 7.8.1 Compiler 7604 "System.Directory.canonicalizePath """" behaviour differs between platforms" new bug normal 7.8.1 libraries/directory 7611 Rewrite rules application prevented by type variable application (map id vs. map (\x -> x)) new bug normal 7.8.1 Compiler 7621 Cross-build for QNX ARM smashes stack when using FunPtr wrappers new bug normal 7.8.1 Compiler (FFI) 7623 GHC Arm support new task normal 7.8.1 Compiler 7624 Handling ImplicitParams in Instance Declaration new bug normal 7.8.1 Documentation 7625 Semicolon is not handled between imports at the ghci command prompt new bug normal 7.8.1 GHCi 7633 "Checkable ""minimal complete definitions""" new feature request normal 7.8.1 Compiler 7634 MD5 collision could lead to SafeHaskell violation new bug normal 7.8.1 libraries/base 7635 SafeHaskell implying other options new feature request normal 7.8.1 Compiler 7637 split-objs not supported for ARM new feature request normal 7.8.1 Compiler 7644 Hackage docs for base library contain broken links new bug normal 7.8.1 Documentation 7650 can't use combining characters in identifiers new bug normal 7.8.1 Compiler 7662 Improve GC of mutable objects new feature request normal _|_ Runtime System 7667 Template Haskell fails to recognize type operator/function + new bug normal 7.8.1 Template Haskell 7668 Location in -fdefer-type-errors new bug normal 7.8.1 Compiler (Type checker) 7669 Empty case causes warning new bug normal 7.8.1 Compiler 7670 StablePtrs should be organized by generation for efficient minor collections new bug normal 7.8.1 Runtime System 7672 boot file entities are sometimes invisible and are not (semantically) unified with corresponding entities in implementing module new bug normal 7.8.1 Compiler (Type checker) 7676 Unify patterns and function bindings new feature request normal 7.8.1 Compiler 7685 :script command does not resolve ~ new bug normal 7.8.1 GHCi 7687 ghc panic on TH and deriveJSON new bug normal 7.8.1 Template Haskell 7695 Hang when locale-archive and gconv-modules are not there new bug normal 7.8.1 None 7713 Panic! make_exp (App _ (Coercion _)) when compiled with -fext-core new bug normal 7.8.1 External Core 7723 iOS patch no 12: Itimer.c doesn't work on iOS new bug normal 7.8.1 Runtime System 7724 cross-compile to iOS new feature request normal 7.8.1 Compiler 7725 Operators without colons new bug normal 7.8.1 Compiler 7730 :info and polykinds new bug normal 7.8.1 Compiler (Type checker) 7735 -fext-core doesn't generate .hcr when .o and .hi files are present new bug normal 7.8.1 External Core 7741 Add SIMD support to x86/x86_64 NCG new feature request normal 7.8.1 Compiler 7753 Profiling report broken with foreign exported functions new bug normal 7.8.1 Profiling 7762 when using lots of memory: internal error: evacuate(static): strange closure type 4 new bug normal 7.8.1 Runtime System 7767 """internal error: evacuate: strange closure type 154886248"" crash" new feature request normal 7.8.1 Runtime System 7774 T5313 fails new bug normal 7.8.1 GHC API 7783 MultiWayIf should start a new layout new bug normal 7.8.1 Compiler (Parser) 7794 "GHCi ""Prelude.undefined"" exceptions on ARM; ByteCodeItbls.mkJumpToAddr unimplemented" new bug normal 7.8.1 GHCi 7803 Superclass methods are left unspecialized new bug normal 7.8.1 Compiler 7808 data families and TH names do not mix well (e.g. cannot use TH deriving) new feature request normal 7.8.1 Template Haskell 7828 RebindableSyntax and Arrow new bug normal 7.8.1 Compiler (Type checker) 7829 make better/more robust loopbreaker choices new task normal 7.8.1 Compiler 7835 ghc --make: allow passign .cmm, .c and .hs files in one command line new feature request normal -- Compiler 7842 Incorrect checking of let-bindings in recursive do new bug normal -- Compiler (Type checker) 7845 RebindableSyntax should allow rebinding tuples and lists new feature request normal -- Compiler 7849 Error on pattern matching of an existential whose context includes a type function new bug normal -- Compiler (Type checker) 7854 Constrained method type accepted in Haskell 98 mode new bug normal Compiler 7855 Use optimizer for more information about incomplete pattern matches new feature request normal Compiler (Type checker) 7858 Fix definitions of abs/signum for Floats/Doubles new bug normal -- libraries/base 7860 Add more bit fiddling functions to 'integer-gmp' new feature request normal libraries (other) 7862 Could not deduce (A) from the context (A, ...) new bug normal Compiler (Type checker) 7863 Verbosity level for quieter Template Haskell new feature request normal Template Haskell 7866 floor (0/0) :: Int is different with -O0 and -O1 new bug normal -- Compiler 7867 Allow template-haskell to communicate with itself between compilation units through the interface file new feature request normal Template Haskell 7870 Compilatio​n errors break the complexity encapsulat​ion on DSLs, impairs success in industry new feature request normal -- Compiler (Type checker) 7874 segfault 11 on mac os x when building compiler for ghc 7.7.20130430 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 7880 "Require ""forall"" in definitions of polymorphic types" new bug normal Compiler 7881 Warning for pointless ranges like [5..2] new feature request normal Compiler 7884 Cannot build hedgewars with new haskell 7.6 new bug normal -- Compiler 7895 Warning for literal overflow new feature request normal -- Compiler 7897 MakeTypeRep fingerprints be proper, robust fingerprints new bug normal Compiler 7898 SpecConstr explodes when compiling module BSP of frag-1.1.2 new bug normal Compiler 7901 Bad error message when using UnicodeSyntax ∀ without ExplicitForall new bug normal -- Compiler 7908 InstanceSigs suggestion not accepted new bug normal Compiler 7912 Missing symbols from termios.h when linking on Android new bug normal -- libraries/unix 7913 Argument order not preserved by nubBy new bug normal Prelude 7917 update documentation of InstalledPackageInfo new task normal -- Documentation 7925 ghc 7.4.2 builds with errors on Red Had Enterprise Linux 6 new bug normal -- Compiler 7928 GHC fails to terminate while compiling with optimization level 2 new bug normal -- Compiler 7934 usleep hangs, no threads new bug normal -- Runtime System 7935 Syntactic sugar for comonads new feature request normal -- Compiler 7936 newStdGen leaks memory when result is not used new bug normal -- libraries/random 7940 Building GHC 7.7.20130526 (perf) for Windows x86_64 fails with Cmm lint error new bug normal Compiler 7942 aarch64 support in ghc new feature request normal -- Compiler 7944 GHC goes into an apparently infinite loop at -O2 new bug normal -- Compiler 7947 Name conflict with DerivingDataTypeable, StandaloneDeriving and qualified imports new bug normal -- Compiler 7949 Haskell Platform doesn't build on Fedora 17 new bug normal -- Compiler 7952 Can cost-centre annotations be included in -ddump-simpl? new feature request normal Compiler 7955 CApiFFI doesn't produce wrappers for #defined values in GHCi new bug normal -- GHCi 7956 ghci segfaults with -vN command-line options new bug normal -- Compiler 7957 -ddump-minimal-imports should honour -outputdir new feature request normal Compiler 7958 'Cannot continue after interface file error' during compilation new bug normal -- Compiler 7960 Compiling profiling CCS registration .c file takes far too long new bug normal Compiler 7961 Remove restrictions on promoting GADT's new feature request normal Compiler 7962 """ghc -e "" should return non-zero exit status" new feature request normal -- GHCi 7966 'make distclean' does not work in nofib new bug normal -- NoFib benchmark suite 7968 fft2 benchmark sometimes fails (nofib) new bug normal -- NoFib benchmark suite 7971 doesDirectoryExist description differs from its behavior new bug normal -- libraries/directory 7976 Failure building master (perf) on i686-pc-linux-gnu new bug normal Compiler 7977 Optimization: Shift dropped list heads by coeffecient to prevent thunk generation new feature request normal Compiler 7978 Profiling broken new bug normal -- Compiler 7979 ./configure script does not properly detect missing header files new bug normal -- Build System 7980 runghc dies silently when given large numbers of arguments. Compiled code does not. new bug normal -- Compiler 7982 ASSERT failed: TcCanonical:520 for kind-checking unsaturated type families new bug normal -- Compiler 7983 Bug in hsc2hs --cross-safe new bug normal -- hsc2hs 7984 hsc2hs --cross-compile does not handle negative #enum new bug normal -- hsc2hs 7985 Allow openFile on unknown file type new bug normal -- libraries/base 7986 make newBroadcastTChanIO match newBroadcastTChan new bug normal -- Compiler 7987 GHC Build Error new bug normal -- Compiler 7988 Big integers crashing integer-simple on qnxnto-arm new bug normal Compiler 7990 ghc-pkg warning shows the wrong command new bug normal -- Package system 7993 ghc 7.6 (not 7.4) sometimes hangs at child process exit on s390x new bug normal -- Runtime System 7994 Make foldl into a good consumer new bug normal Compiler 7995 "module Pretty's ""text/str"" rule doesn't fire" new bug normal -- Compiler 314 #line pragmas not respected inside nested comments new bug high 7.8.1 Compiler (Parser) 781 GHCi on x86_64, cannot link to static data in shared libs new bug high 7.8.1 Compiler 2283 WIndows: loading objects that refer to DLL symbols new bug high 7.8.1 GHCi 3103 Compiling base with cabal fails. new bug high 7.8.1 Compiler 4012 Compilation results are not deterministic new bug high 7.6.2 Compiler 4243 Make a proper options parser for the RTS new task high 7.8.1 Runtime System 4879 Deprecate exports new feature request high 7.8.1 Compiler 5019 OS X: ld: warning: could not create compact unwind for _ffi_call_unix64 new bug high 7.8.1 Compiler 5051 Typechecker behaviour change new bug high 7.2.1 Compiler 5361 regSpill: out of spill slots! new bug high 7.8.1 Compiler 5442 ghc-pkg unregister --user/--global/--package-conf not normative new bug high 7.8.1 ghc-pkg 5610 "Improve ""Unacceptable argument type in foreign declaration"" error message" new feature request high 7.4.1 Compiler (Type checker) 5780 -faggressive-primops change caused a failure in perf/compiler/parsing001 new bug high 7.8.1 Compiler 5910 Holes with other constraints new feature request high 7.8.1 Compiler (Type checker) 6017 Reading ./.ghci files raises security issues new task high 7.8.1 GHCi 6098 debugger does not know the correct type for a newtype field new bug high 7.8.1 GHCi 6166 Performance regression in mwc-random since 7.0.x new bug high 7.6.2 Compiler 7011 32bit GHC 7.4.2 cannot compile integer-gmp on OS X 10.8 new bug high 7.8.1 libraries (other) 7017 "Rethink need for tarballs under ""friendly"" environment" new task high 7.8.1 Build System 7056 "GHCi loadArchive ""libiconv.a"":failed Unknown PEi386 section name `.drectve'" new bug high 7.6.2 GHCi 7097 linker fails to load package with binding to foreign library new bug high 7.8.1 Runtime System 7103 Compiler panic, when loading wxc in GHCi new bug high 7.6.2 GHCi 7152 Add flag to configure that skips overwriting of symlinks on install new bug high 7.8.1 Build System 7229 Detecting if a process was killed by a signal is impossible new bug high 7.8.1 libraries/process 7266 Allow fractional-looking integer literals new feature request high 7.8.1 Compiler 7273 Binary size increase in nofib/grep between 7.6.1 and HEAD new bug high 7.8.1 Compiler 7277 Recompilation check fails for TH unless functions are inlined new bug high 7.6.2 Template Haskell 7289 Mingw FPU init not Windows compatible. new bug high 7.8.1 Runtime System 7300 Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC new feature request high 7.8.1 Compiler (FFI) 7316 GHC segfaults on ARM new bug high 7.6.2 Compiler 7325 threadDelay mistreats minBound and maxBound in some configurations new bug high 7.6.2 Runtime System 7411 Exceptions are optimized away in certain situations new bug high 7.8.1 Compiler 7452 [GNU gold] ld: error: cannot find [...]/Types__1.o new bug high 7.8.1 Build System 7481 Partially promoted data types new bug high 7.8.1 Compiler 7501 Some GHCi options are undocummented new bug high 7.8.1 Documentation 7521 Simplifier ticks exhausted when compiling Accelerate example. new bug high 7.8.1 Compiler 7534 allocateRegsAndSpill: Cannot read from uninitialized register new bug high 7.8.1 Compiler 7567 invalidateModSummaryCache throws exception if ms_hs_date is 0 new bug high 7.8.1 Compiler 7598 ghc-stage1 generates wrong assembler on StgCmmPrim (operand out of range) new bug high 7.8.1 Compiler 7651 Buiding GHC with parallel IO manager freezes on Mac (not on FreeBSD) new bug high 7.8.1 Build System 7679 Regression in -fregs-graph performance new bug high 7.8.1 Compiler (NCG) 7752 GHC as a library documentation out of sync new bug high 7.8.1 Documentation 7787 modifyMVar does not restore value if callback returns error value new bug high 7.8.1 libraries/base 7807 "Parse error with ""where"" and file-ending comment" new bug high 7.8.1 Compiler (Parser) 7830 Error: operand out of range new bug high 7.8.1 Compiler 7889 Build Error (master branch) new bug high 7.8.1 GHCi 5757 zero unexpected failures on all tier 1 platforms new task highest 7.6.2 Test Suite 7382 Evaluating GHCi expressions is slow following the dynamic-by-default change new bug highest 7.8.1 GHCi