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Ticket Summary Status Owner Priority Milestone Component
#5909 Segfault with multi-threaded retainer profiling merge simonmar high 7.6.2 Runtime System
#7189 RTS Assertion Crash new simonmar normal 7.8.1 Runtime System
#7198 New codegen more than doubles compile time of T3294 new simonmar high 7.8.1 Compiler
#7320 GHC crashes when building on 32-bit Linux in a Linode new simonmar high 7.6.2 Runtime System
#7636 threadStackUnderflow: not enough space for return values merge simonmar high 7.6.2 Compiler
#7646 resource busy (file is locked) with multi-threaded file ops merge simonmar high 7.6.3 libraries/base
#7919 Heap corruption (segfault) from large 'let' expression patch simonmar high 7.8.1 Runtime System
#322 fromInteger-related pattern match overlap warnings new simonpj normal _|_ Compiler
#345 GADT - fundep interaction new simonpj low _|_ Compiler (Type checker)
#1158 Problem with GADTs and explicit type signatures new simonpj lowest _|_ 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
#1330 Impredicativity bug: Church2 test gives a rather confusing error with the HEAD new simonpj lowest 7.6.2 Compiler (Type checker)
#1496 Newtypes and type families combine to produce inconsistent FC(X) axiom sets new simonpj normal 7.6.2 Compiler (Type checker)
#2256 Incompleteness of type inference: must quantify over implication constraints new simonpj lowest 7.6.2 Compiler
#2439 Missed optimisation with dictionaries and loops new simonpj lowest 7.6.2 Compiler
#2915 Arity is smaller than need be new simonpj lowest 7.6.2 Compiler
#2940 Do CSE after CorePrep new simonpj lowest 7.6.2 Compiler
#3831 SpecConstr should exploit cases where there is exactly one call pattern new simonpj high 7.8.1 Compiler
#3927 Incomplete/overlapped pattern warnings + GADTs = inadequate new simonpj high 7.8.1 Compiler
#4185 Deriving higher-arity instances for newtype family instances fails new simonpj low 7.6.2 Compiler
#4295 Review higher-rank and impredicative types new simonpj normal 7.6.2 Compiler
#4296 The dreaded SkolemOccurs problem new simonpj low 7.6.2 Compiler
#4364 Template Haskell: Cycle in type synonym declarations new simonpj high 7.8.1 Compiler (Type checker)
#4863 TH crashes if you reify the Name of a dfun new simonpj low _|_ Template Haskell
#5224 Improve consistency checking for family instances new simonpj low 7.6.2 Compiler
#5302 Unused arguments in join points new simonpj low 7.6.2 Compiler
#5320 check_overlap panic (7.1 regression) new simonpj normal 7.6.2 Compiler
#5326 Polymorphic instances aren't automatically specialised new simonpj low 7.6.2 Compiler
#5522 mc03 -O -fliberate-case -fspec-constr runs out of memory new simonpj normal 7.6.2 Compiler
#5539 GHC panic - Simplifier ticks exhausted new simonpj high 7.6.2 Compiler
#5722 GHC inlines class method forever new simonpj normal _|_ Compiler
#5763 Confusing error message new simonpj high 7.6.2 Compiler
#5809 Arity analysis could be better new simonpj normal 7.6.2 Compiler
#5859 unsafeInterleaveIO duplicates computation when evaluated by multiple threads new simonpj high 7.6.2 libraries/base
#5945 Lambda lifting new simonpj normal 7.8.1 Compiler
#5954 Performance regression 7.0 -> 7.2 (still in 7.4) new simonpj high 7.6.2 Compiler
#5996 fix for CSE patch simonpj normal 7.8.1 Compiler
#6022 GHC infers over-general types new simonpj high 7.8.1 Compiler
#6040 Adding a type signature changes heap allocation into stack allocation without changing the actual type new simonpj normal 7.8.1 Compiler
#6047 GHC retains unnecessary binding new simonpj normal 7.6.2 Compiler
#6056 INLINABLE pragma prevents worker-wrapper to happen. new simonpj normal 7.8.1 Compiler
#6062 TH treats non-functions in function position inconsistently new simonpj normal 7.8.1 Compiler
#6070 Fun with the demand analyser new simonpj normal 7.8.1 Compiler
#6092 Liberate case not happening new simonpj normal 7.8.1 Compiler
#6147 GeneralizedNewtypeDeriving should fail with data families new simonpj high 7.8.1 Compiler (Type checker)
#7057 Simplifier infinite loop regression new simonpj normal 7.8.1 Compiler
#7066 isInstance does not work for compound types new simonpj normal 7.8.1 Template Haskell
#7068 Extensive Memory usage (regression) new simonpj high 7.8.1 Compiler
#7109 Inlining depends on datatype size, even with INLINE pragmas new simonpj normal 7.8.1 Compiler
#7141 Inlining the single method of a class can shadow rules new simonpj normal 7.8.1 Compiler
#7148 generalized newtype and type families is unsound new simonpj normal 7.8.1 Compiler (Type checker)
#7206 Implement cheap build new simonpj normal _|_ Compiler
#7241 GHC-7.6.1 panics on template haskell code new simonpj normal 7.8.1 Template Haskell
#7258 Compiling DynFlags is jolly slow new simonpj normal 7.8.1 Compiler
#7259 Eta expansion of products in System FC new simonpj normal 7.8.1 Compiler
#7296 ghc-7 assumes incoherent instances without requiring language `IncoherentInstances` new simonpj normal 7.8.1 Compiler (Type checker)
#7437 peculiar behaviour with default instances and type variables new simonpj normal 7.8.1 Compiler
#7503 Bug with PolyKinds, type synonyms & GADTs new simonpj normal 7.8.1 Compiler (Type checker)
#7542 GHC doesn't optimize (strict) composition with id new simonpj normal 7.8.1 Compiler
#7558 Terrible error message when given and wanted are both insoluble new simonpj normal 7.8.1 Compiler
#7596 Opportunity to improve CSE new simonpj normal 7.8.1 Compiler
#7643 Kind application error new simonpj normal 7.8.1 Compiler (Type checker)
#7771 RTS should provide stg_sel_n_noupd_closure new simonpj normal 7.8.1 Compiler
#7786 strange errors when deducing constraints new simonpj normal 7.8.1 Compiler
#7788 Recursive type family causes <<loop>> new simonpj normal 7.8.1 Compiler (Type checker)
#3070 floor(0/0) should not be defined new squadette lowest 7.6.2 Prelude
#4413 (^^) is not correct for Double and Float new tcsavage low 7.6.2 libraries/base
#1176 Infinite loop when printing error message new thorkilnaur low _|_ Compiler
#6063 GHC's build-time ld-flag checks are problematic patch thoughtpolice high 7.8.1 Compiler
#7574 Register allocator chokes on certain branches with literals new thoughtpolice high 7.8.1 Compiler (NCG)
#7602 Threaded RTS performing badly on recent OS X (10.8?) new thoughtpolice normal _|_ Runtime System
#7678 GHC should compile cleanly with clang new thoughtpolice high 7.8.1 Compiler
#4245 ghci panic: thread blocked indefinitely in an MVar operation new tibbe high 7.6.2 GHCi
#5443 Errors when shutting down the event manager loop new tibbe normal 7.6.2 Compiler
#7133 GHCi: strange behaviour after CTRL-C, followed by 'hPutChar: resource vanished (Broken Pipe)' when quitting new tibbe normal 7.8.1 GHCi
#7460 Double literals generated bad core new tibbe normal 7.8.1 Compiler
#7653 incorrect handling of StackOverflow exception in the event manager patch tibbe normal 7.8.1 libraries/base
#670 External Core is broken new tim normal _|_ External Core
#1612 GHC_PACKAGE_PATH and $topdir bug new -- lowest 7.6.2 Package system
#2064 problems with duplicate modules new -- lowest 7.6.2 Package system
#2401 aborting an STM transaction should throw an exception new -- low 7.6.2 Runtime System
#3178 Fix linking -lpthread for semaphores new -- normal _|_ libraries/unix
#3184 package.conf should be under /var, not /usr new -- low 7.6.2 Package system
#3195 runghc failing sometimes new -- normal _|_ None
#3472 Porting through .hc files broken new -- high 7.8.1 Build System
#3628 exceptions reported to stderr when they propagate past forkIO new -- normal _|_ libraries/base
#3711 Bad error reporting when calling a function in a module which depends on a DLL on Windows new -- lowest 7.6.2 Runtime System
#3722 Haskeline Iconv needs HAVE_LANGINFO_H new -- low 7.6.2 libraries (other)
#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)
#418 throwTo to a thread inside 'block' new lowest _|_ Runtime System
#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)
#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)
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