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Ticket Summary Status Owner Type Priority Milestone
738ghc can't load files with selinux Enforcingreopenedfeature requesthigh6.10.1
955more object-code blow-up in ghc-6.8.3 vs. ghc-6.4.2 (both with optimization)reopenedrun-time performance bughigh6.10.1
1136High memory use when compiling many let bindings.newcompile-time performance bughigh6.10.1
1346bootstrap from HC filesnewbughigh6.12 branch
1501Panic in RegisterAllocreopenedbughigh6.10.1
1876Complete shared library supportnewtaskhigh6.10.1
1924Rewrite the handling of values we get from ./configurenewbughigh6.10.1
1964GHC.Primnewbughigh6.10.1
2002problems with very large (list) literalsnewsimonmarcompile-time performance bughigh6.10.1
2063Breackage on OpenBSD due to mmap remapnew--bughigh6.10.1
2148x86_64 code use several GiB of memory generates: internal error: ASSERTION FAILED: file sm/Storage.c, line 1126newsimonmarbughigh6.10.1
2297Profiler is inconsistent about biography for GHC's heapnewbughigh6.10.1
2328Compiling DoCon with 6.8.3 has 3x slow-down compared with 6.8.2newsimonpjcompile-time performance bughigh6.10.1
2335Haddock's internal GHC version must match the configured GHC versionnew--bughigh6.10.1
2342timer problem under Sparc Solaris for Release Candidate ghc-6.8.2.20080603newbughigh6.10.1
2359Data.IntMap update{Min,Max}WithKey corrupts data structurenewbughigh6.10.1
2414GHCi / GHC segfault : type checker problemnewmergehigh6.8 branch
2542runghc does not infer module file extensionsnewsimonmarbughigh6.10.1
68Warnings for unitialized fieldsassignednobodyfeature requestnormal_|_
95GHCi editor binding with ":e"newfeature requestnormal6.10 branch
110Cygwin binariesassignednobodyfeature requestnormal_|_
149missed CSE opportunitynewrun-time performance bugnormal6.10.1
284RPM doesn't support --prefixnewjuhpfeature requestnormal_|_
285hp-ux 11.11 binariesassignednobodyfeature requestnormal_|_
288amd64-FreeBSD-5.3 port?assignednobodyfeature requestnormal_|_
317Simplifier doesn't preserve bottoms sometimesnewbugnormal_|_
322fromInteger-related pattern match overlap warningsassignedsimonpjbugnormal_|_
344arrow notation: incorrect scope of existential dictionariesnewrossbugnormal6.10 branch
366incomplete patterns and GADTassignednobodyfeature requestnormal_|_
368Provide a Java Backendassignednobodyfeature requestnormal_|_
393functions without implementationsnewsimonpjfeature requestnormal_|_
420O'Haskellassignednobodyfeature requestnormal_|_
436Declare large amounts of constant datanewfeature requestnormal_|_
451GHC poor type-checker error messagenewbugnormal_|_
457Strictness problemnewbugnormal_|_
459Bad parse error messagenewsimonmarbugnormal_|_
472Supertyping of classesassignednobodyfeature requestnormal_|_
476HUnit treats failures as errorsnewRichardGbugnormalNot GHC
487powerpc/linux segfaulting binariesassignednobodybugnormal_|_
566mips-sgi-irix6.5 port?assignednobodyfeature requestnormal_|_
592signal handlers should be able to access siginfo_t informationnew--feature requestnormal6.10 branch
593Cache contents of package.conf in a binary filenewtasknormal6.10 branch
594Support use of SSE2 in the x86 native code genreatornewtasknormal6.10 branch
595Overhaul GHC's overlapping/non-exhaustive pattern checkingnewtasknormal_|_
599The Front Panelnewtasknormal_|_
601Replace GMPnewtasknormal_|_
602Warning Suppressionnewtasknormal6.10 branch
603GC-spy connectionnewtasknormal_|_
605Optimisation: strict enumerationsnewtasknormal_|_
606Sparc native code generatornewtasknormal_|_
607Ticky-ticky profilingassignedtimtasknormal_|_
609Useful optimisation for set-cost-centrenewtasknormal_|_
617Alpha portnewtasknormal_|_
618Dependency caching in ghc --makenewtasknormal_|_
619Port Hugs's Windows front end to GHCi.newtasknormal_|_
624Program location for thread error messagesnewtasknormal_|_
634Implement a more efficient TArraynew--tasknormal_|_
635Replace use of select() in the I/O manager with epoll/kqueue/etc.newtasknormal_|_
650Improve interaction between mutable arrays and GCnewrun-time performance bugnormal_|_
666Collection hierarchy proposalnewjpbernardyfeature requestnormal_|_
676Write a performance checker for collections.newAlson Kemptasknormal_|_
691Make the testsuite standalonenewtasknormalNot GHC
692Incorporate programs from the shootout in nofibnewtasknormalNot GHC
701Better CSE optimisationnewtasknormal_|_
706GHC uses _stub.c files regardless of whether any 'foreign import' decls remain in a .hs filenewbugnormal_|_
723The package database should be a directory of files instead of a single filenewtasknormal6.10 branch
728switch to compacting collection when swapping occursnewfeature requestnormal_|_
731GHCi doesn't work on powerpc64newbugnormal_|_
750Set -M, -H, -c and other memory-related values based on available virtual/physical memorynewfeature requestnormal_|_
768Improve performance of binary serialisation for interface filesnewtasknormal_|_
781GHCi on x86_64, cannot link to static data in shared libsnewbugnormal_|_
783performance problem compiling large filenewcompile-time performance bugnormal6.10.1
788Class aliases (as proposaed by John Meacham)newfeature requestnormal_|_
789BCOs can only have 64k instructionsnewbugnormal_|_
806hGetBufNonBlocking doesn't work on Windowsnewbugnormal_|_
813-optc-O2 used by default in GhcRtsHcOpts while building 6.5, leading make to failnewbugnormal_|_
816Weird fundep behavior (with -fallow-undecidable-instances)newsimonpjbugnormal_|_
835Expose less type/class info in an interface file, to reduce recompilationnewfeature requestnormal_|_
836rebindable if-then-else syntaxnewfeature requestnormal_|_
849Offer control over branch predictionnewfeature requestnormal6.10 branch
855Improvements to SpecConstrnewtasknormal_|_
872OSX universal binary distributionnewfeature requestnormal_|_
876Length is not a good consumernewsimonpjbugnormal6.10 branch
881Improve space profiling for referencesnewfeature requestnormal_|_
886Profiling doesn't work with SMP executionnewtasknormal_|_
888Implement the static argument transformationnewtasknormal6.10 branch
910--make should have a -j flag for parallel buildingnew--feature requestnormal_|_
915Implement list fusion using streams instead of foldr/buildnewtasknormal6.12 branch
932Improve inliningnewsimonpjtasknormal_|_
947ghc -O space leak: CSE between different CAFsnewbugnormal_|_
948Incorrect Core transformations with cost centresnewbugnormal_|_
949-hy heap profile shows "stg_ap_4_upd_info" instead of correct typenewbugnormal_|_
951stage2 on sparc dies with "schedule: re-entered unsafely"newbugnormal_|_
956improving error messages #1newsimonpjfeature requestnormal_|_
959Debugging info(?) leaks out: "Urk! Inventing strangely-kinded void TyCon"newbugnormal_|_
960Lexical call site stringnewfeature requestnormal_|_
964Cross Compile and Universal Binarynewfeature requestnormal_|_
989Windows "native" portnewtasknormal_|_
1007Add parsing (and some more) to the time packagenewproposalnormalNot GHC
1009GHC Performance Indexnewtasknormal_|_
1012ghc panic with mutually recursive modules and template haskellreopenedbugnormal6.10 branch
1015regex001(ghci,threaded1) seg-faults under Solarisnewbugnormal_|_
1016Avoidance of unaligned loads is overly conservativenewtasknormal6.10 branch
1026coarbitrary for Double and FloatnewbugnormalNot GHC
1036Asynchronous exceptions improvementsnewsimonmartasknormal_|_
1057Implicit parameters on breakpointsnewbugnormal6.10 branch
1058Highlight matching parantheses in Visual Studionewfeature requestnormalNot GHC
1060GHC accepts program with incorrect layoutnewbugnormal_|_
1064Allow users to add commentary to Haddock docsnewtasknormalNot GHC
1070Add hPutNonBlocking to Data.ByteStringnew--feature requestnormalNot GHC
1074-fwarn-unused-imports complains about wrong importnewbugnormal_|_
1087bang patterns with infix opsnewbugnormal_|_
1099Visual Haskell crashes when ".." is used in hs-source-dirsnewbugnormalNot GHC
1105Custom Runtimesnewfeature requestnormal_|_
1107Incorrect error message when there is a dot in the package name.newbugnormalNot GHC
1120randomR is non-uniform for most rangesnew--bugnormalNot GHC
1123Impredicativity bug: forall not hoisted properlynewsimonpjbugnormal6.10 branch
1147Quadratic behaviour in the compacting GCnewrun-time performance bugnormal_|_
1161Clean up the library testing storynewtasknormalNot GHC
1167mangler makes global symbol disappear on linux-ppcnewbugnormal_|_
1168Optimisation sometimes decreases sharing in IO codenewbugnormal_|_
1182splitAt does not implement H98 report behaviour, it is too strict in 'n'newbugnormal_|_
1216indexing 2d arrays is slow and leaky. why?newsimonpjrun-time performance bugnormal6.10.1
1241Functional dependency Coverage Condition is lifted, and should not benewbugnormal_|_
1243Linking error of ALUTnewbugnormalNot GHC
1245Turn tuples into syntactic sugar for heterogeneous listsnewfeature requestnormal_|_
1246<= operators get compiled worse than ==newbugnormal6.10 branch
1257Bytecode generator can't handle unboxed tuplesnewbugnormal_|_
1262mdo in Template Haskellnewfeature requestnormal_|_
1273would like to print partial application values when at a breakpointnewfeature requestnormal_|_
1290ghc runs preprocessor too muchnewbugnormal_|_
1293building ghc 6.8.3 hangs on sparc solaris at Language/Haskell/Syntax.hsreopenedbugnormal6.10.1
1298Data.Complex.phase does unnecessary pattern matchnewbugnormal_|_
1308Type signature in warning is wrongnewbugnormal6.10 branch
1316add warning for local type signatures that use the same type variable names as outer type signaturesnewsimonpjfeature requestnormal6.10 branch
1318add warning for prefix negate operator and flag to replace it with negative numeric literalsnewfeature requestnormal_|_
1324threadDelay can't handle long timesnewbugnormal6.10 branch
1330Impredicativity bug: Church2 test gives a rather confusing error with the HEADnewsimonpjbugnormal6.10 branch
1333core lint failures from arrow notation + HPCnewbugnormal6.10 branch
1338base package breakupnewtasknormal6.12 branch
1341allow loading partially correct modulesnewfeature requestnormal_|_
1348inconsistent 'ghc --help" messagenewigloobugnormal6.10 branch
1349Generalise the ! and UNPACK mechanism for data types, to unpack function argumentsnewtasknormal6.10 branch
1363Sourcing multi-line scripts in GHCi: track line numbers, and bail out after first errornewfeature requestnormal6.10 branch
1364Finalizers not guaranteed to run before the program exitsnewsimonmarfeature requestnormal6.10.1
1365-fbyte-code is ignored in a OPTIONS_GHC pragmanewfeature requestnormal6.10 branch
1371Add -O3newtasknormal6.10 branch
1377GHCi debugger tasksnewtasknormal6.10 branch
1379Allow breakpoints and single-stepping for functions defined interactivelynewfeature requestnormal6.10 branch
1380Safe Haskellnewfeature requestnormal_|_
1389readline checks in configure.ac can probably be removednewiglootasknormal6.10.1
1399better support for developing threaded applications in ghcinewfeature requestnormal6.10 branch
1400:set +r doesn't work for interpreted modulesnewbugnormal6.10 branch
1404allow more type signaturesnewfeature requestnormal_|_
1405Make ghc (stage1) be compilable by non-GHCnewtasknormal_|_
1407Add the ability to :set -l{foo} in .ghci filesnewfeature requestnormal6.10 branch
1409Allow recursively dependent modules transparently (without .hs-boot or anything)newfeature requestnormal_|_
1414CString marshalling functions do not perform the specified conversionnewbugnormal6.10 branch
1420Automatic heap profile intervalsnewfeature requestnormal6.10 branch
1434Slow conversion from Double to Intnewdonstasknormal6.10.1
1444Template Haskell: add proper support for qualified names in non-splicing applicationsnewfeature requestnormal_|_
1447Improve code generation for dense switchesnewtasknormal_|_
1451Provide way to show the origin of a constraintnewfeature requestnormal_|_
1466Stack check for AP_STACKnewsimonmarbugnormal6.10 branch
1467GHC API: expose separate compilation stagesnewnominolotasknormal6.10 branch
1470Overlapping (etc) instancesnewsimonpjbugnormal6.10 branch
1473isSpace is too slownewbugnormal_|_
1475Adding imports and exports with Template Haskellnewfeature requestnormal_|_
1477ghci shouldn't link entire packagenewfeature requestnormal_|_
1480Template Haskell should allow reification of modulesnewfeature requestnormal_|_
1496Newtypes and type families combine to produce inconsistent FC(X) axiom setsnewsimonpjbugnormal6.10 branch
1498Optimisation: eliminate unnecessary heap check in recursive functionnewtasknormal6.10 branch
1499Visual Haskell installer issue(s)newbugnormalNot GHC
1500NCG: shortcutBranch doesn't handle loops properlynewbugnormal6.10 branch
1502GHC should integrate better with mingwnewfeature requestnormal6.12 branch
1508hasktags program needs replacementnewbugnormal_|_
1518Make it possible to evaluate monadic actions when assigning record fields (<-)newfeature requestnormal_|_
1520Use Linux's signalfd() instead of pipe() to deliver signals to the IO managernewtasknormal6.10 branch
1521Problems building the time library with Cabal / Setup.hsnewbugnormalNot GHC
1522Make [n..] etc syntax rebindablenewsimonpjfeature requestnormal6.10 branch
1526-fobject-code doesn't apply to expressions typed at the promptnewbugnormal_|_
1530debugging :steps inside TH spliced code need to be bypassednewbugnormal_|_
1534[Debugger] Watch on accesses of "variables"newfeature requestnormal6.12 branch
1541No way at all to set fixity for infix operators defined in template haskellnewbugnormal6.10 branch
1544Derived Read instances for recursive datatypes with infix constructors are too inefficientnewbugnormal6.10 branch
1547Arity can decrease with -profnewbugnormal_|_
1548printf bugsreopenedlennart@augustsson.netbugnormal6.10.1
1555Reverse do notation: lexer bug?reopenedfeature requestnormal_|_
1572Make it easy to find documentation for GHC and installed packagesnewtasknormal6.10 branch
1574Broken link testingnewfeature requestnormal6.12 branch
1576Document Template Haskell APInewfeature requestnormal_|_
1578darcs-all work around for darcs Issue 467newbugnormal_|_
1579instance Read Integer contradicts Haskell98newbugnormal6.10 branch
1580Get GHC happy with alternate base packages (split base)newtasknormal6.10 branch
1592Unexpected boxing in generated codenewbugnormal6.10 branch
1594Better QuickCheck/HUnit integrationnewfeature requestnormalNot GHC
1595duplicate "not in scope" error when giving multiple vars type-signatures at oncenewbugnormal6.10 branch
1597OpenGL: Bindings for GLE library?newbugnormalNot GHC
1598Could instances of Typeable, Data be added?newashley@semantic.orgfeature requestnormalNot GHC
1600Optimisation: CPR the results of IOnewtasknormal6.10 branch
1605hppa port -- gmp handed misaligned memorynewbugnormal6.10.1
1607seq can make code slowernewbugnormal6.10 branch
1612GHC_PACKAGE_PATH and $topdir bugnewbugnormal6.10 branch
1614Type checker does not use functional dependency to avoid ambiguityreopenedbugnormal_|_
1631Make the External Package Table contain ModDetails not ModIfacenewtasknormal6.10 branch
1633Now where does this error come fromnewfeature requestnormal6.10 branch
1634Type signature normalizationnewbugnormal6.10 branch
1645{-# SPECIALIZE #-} doesn'tnewbugnormal6.10 branch
1647Using -fdicts-strict flag causes Core Lint errornewbugnormal6.10 branch
1653GHCi ':set' completion does not list all optionsnewbugnormal6.10 branch
1657throwTo + unsafeInterleaveIO oddnessnewbugnormal_|_
1687A faster (^)-function.newbugnormal_|_
1692GLUT timedCallback fires twicenewsven.panne@aedion.debugnormalNot GHC
1693Make distclean (still) doesn'tnew--bugnormal6.10 branch
1702type operator precedences don't work in contextsnewbugnormal6.10 branch
1717ghc-6.8 configure does not recognise 32bit userland on ppc64reopenedbugnormal6.10 branch
1721Make GHCi print the entire result of an interactive 'bind' statementnewfeature requestnormal6.10 branch
1727Precedence and associativity rules ignored when mixing infix type and data constructors in a single expressionnewbugnormal6.10 branch
1735unused binding changes program behaviournewsimonpjbugnormal6.10.1
1741Threaded RTS must use processor affinity and processor informationnew--tasknormal6.10 branch
1769Deriving Typeable for data familiesnewchaktasknormal6.10 branch
1775type families: poor error massages when lacking instancesnewchakbugnormal6.10 branch
1777Refactor the implementation of arrow notationnewrosstasknormal6.10 branch
1786can't build ghc-6.8.0.20071017 under Solaris using a GNU linkernewbugnormal_|_
1789New warning: missing import listsnewtasknormal6.10 branch
1791heap overflow should generate an exceptionnewfeature requestnormal6.10 branch
1800Template Haskell support for running functions defined in the same modulenew--feature requestnormal_|_
1803Include qCurrentLoc in the Quasi classnewfeature requestnormal6.10 branch
1811liberate case needs an independent thresholdnewbugnormal6.10 branch
1817Should be possible to specify pragmas with mixed casenewbugnormal6.10 branch
1820Windows segfault-catching only works for the main threadnewigloobugnormal6.10.1
1830Automatic derivation of Liftnewfeature requestnormal6.10 branch
1831reify never provides the declaration of variablesnewbugnormal6.10 branch
1835Provide information of the instance environmentnewfeature requestnormal6.10 branch
1841Data.Typeable: Instances of basic types don't provide qualified strings to mkTyConnewbugnormalNot GHC
1845unconditional relative branch out of range (GHC version 6.8.1/6.8.2 for powerpc_apple_darwin)newthorkilnaurbugnormal6.10.1
1849Template Haskell: reify is not consistent with the special constructors ListT and TupleTnew--bugnormal6.10 branch
1853hpc mix files for Main modules overwrite each otherassignedAndyGillbugnormal6.10 branch
1856Improve error message for mutally recursive modulesnewfeature requestnormal6.10 branch
1868Exception fails all exception predicatesnewbugnormal6.10 branch
1870ghc-6.8.1 panics compiling regex-tdfa-0.93newsimonpjbugnormal6.10.1
1872Extensible Recordsnewfeature requestnormal6.10 branch
1875Compiling with -O is 30 times slower than with -Onotnewcompile-time performance bugnormal6.10.1
1877Change the meaning of -fextended-default-rulesnewtasknormal6.10 branch
1880Unify flag descriptions to generate both docs and codenewtasknormal6.10 branch
1883GHC can't find library using "short" namenewbugnormal6.10 branch
1884Win64 Portnewtasknormal6.10 branch
1885Improve CPR analysisnewsimonpjtasknormal6.10 branch
1886GHC API should preserve and provide access to commentsnewbugnormal6.10 branch
1887internal error while running parallel programnewsimonmarbugnormal6.10 branch
1891New RTS "--info" option not in help messagenewbugnormal6.10 branch
1894Add a total order on type constructorsnewfeature requestnormal6.10 branch
1895Allow aliases in GHCi module importsnewfeature requestnormal6.10 branch
1896Keep old bindings until :load succeedsnewfeature requestnormal6.10 branch
1904Strictness analyser should be smarternewbugnormal_|_
1908Haskell code as a DLL triggers timeouts in the client programnew--bugnormal6.10 branch
1911-w doesn't turn off nullModuleExportassignedAndreaRossatobugnormal6.10 branch
1920Show instance for Ratio is wrongnewsimonmarbug