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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 low _|_ libraries/base
#314 #line pragmas not respected inside nested comments new high 7.8.1 Compiler (Parser)
#322 fromInteger-related pattern match overlap warnings new simonpj normal _|_ Compiler
#344 arrow notation: incorrect scope of existential dictionaries new ross lowest 7.6.2 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 rrnewton normal _|_ libraries/random
#457 Strictness problem new normal _|_ Compiler
#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)
#670 External Core is broken new tim normal _|_ External Core
#781 GHCi on x86_64, cannot link to static data in shared libs new high 7.8.1 Compiler
#806 hGetBufNonBlocking doesn't work on Windows new normal _|_ libraries/base
#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 7.6.2 Template Haskell
#1057 Implicit parameters on breakpoints new normal _|_ GHCi
#1062 Bad output from Text.PrettyPrint.HughesPJ new normal _|_ libraries/pretty
#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
#1201 ghci runs Template Haskell splices 4 times new simonpj low _|_ Template Haskell
#1216 Missed opportunity for let-no-esape new simonpj normal 7.6.2 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 7.6.2 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 7.6.2 Compiler
#1473 isSpace is too slow new normal _|_ libraries/base
#1476 Template Haskell: splicing types and patterns new low _|_ Template Haskell
#1487 unix package: test needed for getLoginName new adrien lowest 7.6.2 libraries/unix
#1496 Newtypes and type families combine to produce inconsistent FC(X) axiom sets new simonpj normal 7.6.2 Compiler (Type checker)
#1498 Optimisation: eliminate unnecessary heap check in recursive function new low 7.6.2 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 7.6.2 Compiler
#1612 GHC_PACKAGE_PATH and $topdir bug new -- lowest 7.6.2 Package system
#1614 Type checker does not use functional dependency to avoid ambiguity new normal _|_ Compiler (Type checker)
#1687 A faster (^)-function. new normal _|_ Prelude
#1693 Make distclean (still) doesn't new igloo lowest 7.6.2 Build System
#1727 Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression new lowest 7.6.2 Compiler (Parser)
#1820 Windows segfault-catching only works for the main thread new lowest 7.6.2 Runtime System
#1831 reify never provides the declaration of variables new normal _|_ Template Haskell
#1853 hpc mix files for Main modules overwrite each other new AndyGill lowest 7.6.2 Code Coverage
#1883 GHC can't find library using "short" name new lowest 7.6.2 Compiler
#1928 Confusing type error message new low _|_ Compiler (Type checker)
#2028 STM slightly conservative on write-only transactions new lowest 7.6.2 Compiler
#2031 relocation overflow new normal _|_ Compiler
#2057 inconsistent .hi file error gets ignored new normal _|_ Compiler
#2064 problems with duplicate modules new -- lowest 7.6.2 Package system
#2132 Optimise nested comparisons new normal _|_ Compiler
#2140 cpuTimePrecision is wrong for me on Windows (XP) new lowest 7.6.2 libraries/base
#2147 unhelpful error message for a misplaced DEPRECATED pragma new lowest 7.6.2 Compiler
#2159 Use a more efficient representation than [DynFlag] new lowest 7.6.2 Compiler
#2161 finaliser of a ForeignPtr called while references from unreachable threads exist new low 7.6.2 Runtime System
#2182 ghc sessions (--make, --interactive, ghc api) erroneously retain instances new low _|_ GHCi
#2184 if findExecutable finds a file that matchs the argument, check if it is an executable new lowest 7.6.2 libraries/directory
#2189 hSetBuffering stdin NoBuffering doesn't work on Windows new normal 7.6.2 libraries/base
#2224 -fhpc inteferes/prevents rewrite rules from firing new andy@… lowest 7.6.2 Code Coverage
#2255 Improve SpecConstr for free variables new normal _|_ Compiler
#2256 Incompleteness of type inference: must quantify over implication constraints new simonpj lowest 7.6.2 Compiler
#2260 Non-ideal error message for misplaced LANGUAGE pragma new lowest 7.6.2 Compiler (Parser)
#2273 inlining defeats seq new lowest 7.6.2 Compiler
#2280 randomR too slow new rrnewton normal _|_ libraries/random
#2283 WIndows: loading objects that refer to DLL symbols new high 7.8.1 GHCi
#2289 Needless reboxing of values when returning from a tight loop new lowest 7.6.2 Compiler
#2301 Proper handling of SIGINT/SIGQUIT new normal 7.6.2 libraries/process
#2346 Compilation of large source files requires a lot of RAM new lowest 7.6.2 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 7.6.2 Compiler
#2374 MutableByteArray# is slower than Addr# new lowest 7.6.2 Compiler (NCG)
#2387 Optimizer misses unboxing opportunity new lowest 7.6.2 Compiler
#2401 aborting an STM transaction should throw an exception new -- low 7.6.2 Runtime System
#2439 Missed optimisation with dictionaries and loops new simonpj lowest 7.6.2 Compiler
#2450 Data.Complex.magnitude squares using ^(2 :: Int), which is slow new lowest 7.6.2 libraries/base
#2459 can't link haskell without "main" function, or -no-hs-main broken on windows? new lowest 7.6.2 Driver
#2465 View + Pattern Match not fused sufficiently new low _|_ Compiler
#2489 Registry keys are created in per-user HKCU instead of system-wide HKLM new normal _|_ None
#2496 Invalid Eq/Ord instances in Data.Version new duncan normal _|_ libraries/base
#2528 nub not as reliable as nubBy new normal 6.10.1 libraries/base
#2530 deriving Show adds extra parens for constructor with record syntax new lowest 7.6.2 Compiler
#2607 Inlining defeats selector thunk optimisation new normal _|_ Compiler
#2625 Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields new low _|_ Compiler
#2628 hIsTerminalDevice returns True for /dev/null (aka NUL) on Windows new normal _|_ libraries/base
#2642 Improve SpecConstr for join points new lowest 7.6.2 Compiler
#2697 bad testsuite results with ghc-6.10.0.20081007 new normal _|_ Compiler
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported new lowest 7.6.2 Compiler
#2725 Remove Hack in compiler/nativeGen/MachCodeGen.hs new clemens high 7.8.1 Compiler (NCG)
#2731 Avoid unnecessary evaluation when unpacking constructors new lowest 7.6.2 Compiler
#2776 Document -pgmL (Use cmd as the literate pre-processor) new lowest 7.6.2 Documentation
#2786 Blackhole loops are not detected and reported in GHCi new normal _|_ GHCi
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