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Ticket Summary Status Owner Priority Milestone Component
#149 missed CSE opportunity new normal Compiler
#229 Integer overflow in array allocation new rwbarton normal 7.12.1 Core Libraries
#314 #line pragmas not respected inside nested comments new high 7.12.1 Compiler (Parser)
#322 fromInteger-related pattern match overlap warnings new simonpj normal Compiler
#344 arrow notation: incorrect scope of existential dictionaries new ross lowest 7.12.1 Compiler (Type checker)
#345 GADT - fundep interaction new simonpj low Compiler (Type checker)
#367 Infinite loops can hang Concurrent Haskell new ezyang lowest Compiler
#418 throwTo to a thread inside 'block' new lowest Runtime System
#427 Random.StdGen slowness new ekmett normal Core Libraries
#487 powerpc/linux segfaulting binaries new normal Compiler
#552 GHCi :m doesn't restore default decl new lowest GHCi
#589 Various poor type error messages new low Compiler (Type checker)
#781 GHCi on x86_64, cannot link to static data in shared libs new high 7.12.1 Compiler
#806 hGetBufNonBlocking doesn't work on Windows new normal Core Libraries
#816 Weird fundep behavior (with -fallow-undecidable-instances) new normal Compiler (Type checker)
#917 -O introduces space leak new lowest Compiler
#926 infinite loop in ShutdownIOManager() new lowest Runtime System
#947 ghc -O space leak: CSE between different CAFs new normal Compiler
#1012 ghc panic with mutually recursive modules and template haskell new lowest 7.12.1 Template Haskell
#1057 Implicit parameters on breakpoints new normal GHCi
#1062 Bad output from Text.PrettyPrint.HughesPJ new ekmett normal Core Libraries
#1087 bang patterns with infix ops new normal Compiler (Parser)
#1147 Quadratic behaviour in the compacting GC new normal Runtime System
#1158 Problem with GADTs and explicit type signatures new simonpj lowest Compiler
#1168 Optimisation sometimes decreases sharing in IO code new normal Compiler
#1171 GHC doesn't respect the imprecise exceptions semantics new low Compiler
#1176 Infinite loop when printing error message new thorkilnaur low Compiler
#1216 Missed opportunity for let-no-esape new simonpj normal 7.12.1 Compiler
#1290 ghc runs preprocessor too much new normal Driver
#1307 Warning refers to code not in the source new lowest Compiler
#1308 Type signature in warning is wrong new normal Compiler
#1330 Impredicativity bug: Church2 test gives a rather confusing error with the HEAD new simonpj lowest 7.12.1 Compiler (Type checker)
#1400 :set +r doesn't work for interpreted modules new simonmar normal GHCi
#1466 Stack check for AP_STACK new simonmar normal 7.12.1 Compiler
#1487 unix package: test needed for getLoginName new ekmett lowest Core Libraries
#1498 Optimisation: eliminate unnecessary heap check in recursive function new low 7.12.1 Compiler
#1526 -fobject-code doesn't apply to expressions typed at the prompt new normal Compiler
#1530 debugging :steps inside TH spliced code need to be bypassed new normal GHCi
#1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient new normal 7.12.1 Compiler
#1612 GHC_PACKAGE_PATH and $topdir bug new lowest 7.12.1 Package system
#1614 Type checker does not use functional dependency to avoid ambiguity new normal Compiler (Type checker)
#1620 ModBreaks.modBreaks_array not initialised new normal 7.12.1 GHCi
#1687 A faster (^)-function. new normal Prelude
#1693 Make distclean (still) doesn't new lowest 7.12.1 Build System
#1727 Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression new lowest 7.12.1 Compiler (Parser)
#1820 Windows segfault-catching only works for the main thread new lowest 7.12.1 Runtime System
#1831 reify never provides the declaration of variables new normal Template Haskell
#1851 "make install-strip" should work new normal 7.12.1 Build System
#1853 hpc mix files for Main modules overwrite each other new AndyGill lowest 7.12.1 Code Coverage
#1883 GHC can't find library using "short" name new lowest 7.12.1 Compiler
#1928 Confusing type error message new low Compiler (Type checker)
#1978 Error message: Undefined reference to `XXX_closure' new normal Compiler
#2028 STM slightly conservative on write-only transactions new lowest 7.12.1 Compiler
#2031 relocation overflow new normal Compiler
#2057 inconsistent .hi file error gets ignored new normal Compiler
#2064 problems with duplicate modules new lowest 7.12.1 Package system
#2132 Optimise nested comparisons new normal Compiler
#2140 cpuTimePrecision is wrong for me on Windows (XP) new ekmett lowest 7.12.1 Core Libraries
#2147 unhelpful error message for a misplaced DEPRECATED pragma new lowest 7.12.1 Compiler
#2159 Use a more efficient representation than [DynFlag] new lowest 7.12.1 Compiler
#2189 hSetBuffering stdin NoBuffering doesn't work on Windows new normal 7.12.1 Core Libraries
#2224 -fhpc inteferes/prevents rewrite rules from firing new andy@… lowest 7.12.1 Code Coverage
#2255 Improve SpecConstr for free variables new normal Compiler
#2256 Incompleteness of type inference: must quantify over implication constraints new simonpj lowest 7.12.1 Compiler (Type checker)
#2260 Non-ideal error message for misplaced LANGUAGE pragma new lowest 7.12.1 Compiler (Parser)
#2273 inlining defeats seq new lowest 7.12.1 Compiler
#2280 randomR too slow new ekmett normal Core Libraries
#2289 Needless reboxing of values when returning from a tight loop new lowest 7.12.1 Compiler
#2346 Compilation of large source files requires a lot of RAM new lowest 7.12.1 Compiler
#2356 GHC accepts multiple instances for the same type in different modules new low Compiler
#2370 num009 fails on OS X 10.5? new lowest 7.12.1 Compiler
#2374 MutableByteArray# is slower than Addr# new lowest 7.12.1 Compiler (NCG)
#2387 Optimizer misses unboxing opportunity new lowest 7.12.1 Compiler
#2401 aborting an STM transaction should throw an exception new low 7.12.1 Runtime System
#2408 threadWaitRead on mingw32 threaded causes internal error new normal 7.12.1 Core Libraries
#2439 Missed optimisation with dictionaries and loops new simonpj lowest 7.12.1 Compiler
#2459 can't link haskell without "main" function, or -no-hs-main broken on windows? new lowest 7.12.1 Driver
#2496 Invalid Eq/Ord instances in Data.Version new normal 7.12.1 Core Libraries
#2607 Inlining defeats selector thunk optimisation new normal Compiler
#2625 Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields new low Compiler
#2642 Improve SpecConstr for join points new lowest 7.12.1 Compiler
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported new lowest 7.12.1 Compiler
#2725 Remove Hack in compiler/nativeGen/MachCodeGen.hs new thoughtpolice normal 7.12.1 Compiler (NCG)
#2731 Avoid unnecessary evaluation when unpacking constructors new lowest 7.12.1 Compiler
#2776 Document -pgmL (Use cmd as the literate pre-processor) new lowest 7.12.1 Documentation
#2786 Blackhole loops are not detected and reported in GHCi new normal GHCi
#2805 Test ffi009(ghci) fails on PPC Mac OS X new lowest 7.12.1 GHCi
#2926 Foreign exported function returns wrong type new low Compiler (FFI)
#2933 LDFLAGS ignored by build system new lowest 7.12.1 Build System
#2940 Do CSE after CorePrep new simonpj lowest 7.12.1 Compiler
#2988 Improve float-in new lowest 7.12.1 Compiler
#2991 .tix file generation broken with -fhpc and --make flags with lhs modules new andy@… lowest 7.12.1 Code Coverage
#3048 Heap size suggestion gets ignored when -G1 flag is passed new normal Runtime System
#3055 Int / Word / IntN / WordN are unequally optimized new normal 7.12.1 Compiler
#3061 GHC's GC default heap growth strategy is not as good as other runtimes new lowest 7.12.1 Runtime System
#3070 floor(0/0) should not be defined new squadette lowest 7.12.1 Prelude
#3073 Avoid reconstructing dictionaries in recursive instance methods new lowest 7.12.1 Compiler
#3081 Double output after Ctrl+C on Windows new normal Runtime System
#3094 Some GHC.* module should export word size and heap object header size new normal 6.12.1 libraries (other)
#3107 Over-eager GC when blocked on a signal in the non-threaded runtime new lowest 7.12.1 Runtime System
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