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Ticket Summary Status Owner Type Priority Milestone
#670 External Core is broken new tim bug normal _|_
#816 Weird fundep behavior (with -fallow-undecidable-instances) new bug normal _|_
#917 -O introduces space leak new bug lowest _|_
#1012 ghc panic with mutually recursive modules and template haskell new bug lowest 7.6.2
#1057 Implicit parameters on breakpoints new bug normal _|_
#1062 Bad output from Text.PrettyPrint.HughesPJ new bug normal _|_
#1087 bang patterns with infix ops new bug normal _|_
#1147 Quadratic behaviour in the compacting GC new bug normal _|_
#1158 Problem with GADTs and explicit type signatures new simonpj bug lowest _|_
#1168 Optimisation sometimes decreases sharing in IO code new bug normal _|_
#1171 GHC doesn't respect the imprecise exceptions semantics new bug low _|_
#1176 Infinite loop when printing error message new thorkilnaur bug low _|_
#1201 ghci runs Template Haskell splices 4 times new simonpj bug low _|_
#1216 Missed opportunity for let-no-esape new simonpj bug normal 7.6.2
#1290 ghc runs preprocessor too much new bug normal _|_
#1330 Impredicativity bug: Church2 test gives a rather confusing error with the HEAD new simonpj bug lowest 7.6.2
#1400 :set +r doesn't work for interpreted modules new simonmar bug normal _|_
#1466 Stack check for AP_STACK new simonmar bug normal 7.6.2
#1473 isSpace is too slow new bug normal _|_
#1476 Template Haskell: splicing types and patterns new bug low _|_
#1496 Newtypes and type families combine to produce inconsistent FC(X) axiom sets new simonpj bug normal 7.6.2
#1498 Optimisation: eliminate unnecessary heap check in recursive function new bug low 7.6.2
#1526 -fobject-code doesn't apply to expressions typed at the prompt new bug normal _|_
#1530 debugging :steps inside TH spliced code need to be bypassed new bug normal _|_
#1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient new bug normal 7.6.2
#1614 Type checker does not use functional dependency to avoid ambiguity new bug normal _|_
#1693 Make distclean (still) doesn't new igloo bug lowest 7.6.2
#1727 Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression new bug lowest 7.6.2
#1831 reify never provides the declaration of variables new bug normal _|_
#1928 Confusing type error message new bug low _|_
#2028 STM slightly conservative on write-only transactions new bug lowest 7.6.2
#2057 inconsistent .hi file error gets ignored new bug normal _|_
#2064 problems with duplicate modules new -- bug lowest 7.6.2
#2132 Optimise nested comparisons new bug normal _|_
#2147 unhelpful error message for a misplaced DEPRECATED pragma new bug lowest 7.6.2
#2159 Use a more efficient representation than [DynFlag] new bug lowest 7.6.2
#2161 finaliser of a ForeignPtr called while references from unreachable threads exist new bug low 7.6.2
#2182 ghc sessions (--make, --interactive, ghc api) erroneously retain instances new bug low _|_
#2224 -fhpc inteferes/prevents rewrite rules from firing new andy@… bug lowest 7.6.2
#2255 Improve SpecConstr for free variables new bug normal _|_
#2256 Incompleteness of type inference: must quantify over implication constraints new simonpj bug lowest 7.6.2
#2260 Non-ideal error message for misplaced LANGUAGE pragma new bug lowest 7.6.2
#2273 inlining defeats seq new bug lowest 7.6.2
#2289 Needless reboxing of values when returning from a tight loop new bug lowest 7.6.2
#2301 Proper handling of SIGINT/SIGQUIT new bug normal 7.6.2
#2356 GHC accepts multiple instances for the same type in different modules new bug low _|_
#2401 aborting an STM transaction should throw an exception new -- bug low 7.6.2
#2439 Missed optimisation with dictionaries and loops new simonpj bug lowest 7.6.2
#2450 Data.Complex.magnitude squares using ^(2 :: Int), which is slow new bug lowest 7.6.2
#2496 Invalid Eq/Ord instances in Data.Version new duncan bug normal _|_
#2530 deriving Show adds extra parens for constructor with record syntax new bug lowest 7.6.2
#2607 Inlining defeats selector thunk optimisation new bug normal _|_
#2625 Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields new bug low _|_
#2642 Improve SpecConstr for join points new bug lowest 7.6.2
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported new bug lowest 7.6.2
#2725 Remove Hack in compiler/nativeGen/MachCodeGen.hs new clemens bug high 7.8.1
#2731 Avoid unnecessary evaluation when unpacking constructors new bug lowest 7.6.2
#2776 Document -pgmL (Use cmd as the literate pre-processor) new bug lowest 7.6.2
#2786 Blackhole loops are not detected and reported in GHCi new bug normal _|_
#2823 Another arity expansion bug new bug lowest 7.6.2
#2840 Top level string literals new bug lowest 7.6.2
#2867 Make a way to tell GHC that a pragma name should be "recognised" new bug lowest 7.6.2
#2915 Arity is smaller than need be new simonpj bug lowest 7.6.2
#2917 alloca and allocaArray do not respect alignment new bug normal _|_
#2926 Foreign exported function returns wrong type new bug low _|_
#2940 Do CSE after CorePrep new simonpj bug lowest 7.6.2
#2988 Improve float-in new bug lowest 7.6.2
#2991 .mix files generation broken with -fhpc and --make flags with lhs modules new andy@… bug lowest 7.6.2
#3003 Happy does not reject pragmas new bug lowest 7.6.2
#3034 divInt# floated into a position which leads to low arity new bug lowest 7.6.2
#3048 Heap size suggestion gets ignored when -G1 flag is passed new bug normal _|_
#3055 Int / Word / IntN / WordN are unequally optimized new bug lowest 7.6.2
#3061 GHC's GC default heap growth strategy is not as good as other runtimes new bug lowest 7.6.2
#3065 Reorder tests in quot to improve code new bug lowest 7.6.2
#3070 floor(0/0) should not be defined new squadette bug lowest 7.6.2
#3073 Avoid reconstructing dictionaries in recursive instance methods new bug lowest 7.6.2
#3103 Compiling base with cabal fails. new bug high 7.8.1
#3134 encodeFloat . decodeFloat new bug normal _|_
#3138 Returning a known constructor: GHC generates terrible code for cmonad new bug lowest 7.6.2
#3184 package.conf should be under /var, not /usr new -- bug low 7.6.2
#3191 hpc reports spurious results with .lhs files even after processing with ghc -E new andy@… bug lowest 7.6.2
#3238 CInt FFI exports do not use C int in _stub.h header file new bug lowest 7.6.2
#3321 -fhpc assumes original sources relative to the current directory new bug lowest 7.6.2
#3351 Generated ghc man page missing xrefs new bug lowest 7.6.2
#3353 Add CLDouble support new bug normal _|_
#3427 control what sort of entity a deprecated pragma applies to new bug low 7.6.2
#3472 Porting through .hc files broken new -- bug high 7.8.1
#3517 GHC has lots of extra hidden IOErrorType values new bug low 7.6.2
#3543 -fext-core doesn't force recompilation when .hcr file doesn't exist new bug lowest 7.6.2
#3549 unlit does not follow H98 spec new bug normal _|_
#3569 ghci can't handle utf-8 chinese char correctly when modify. new judah bug normal _|_
#3571 Bizzarely bloated binaries new bug lowest 7.6.2
#3575 mkStdGen and split conspire to make some programs predictable new rrnewton bug normal _|_
#3588 ghc -M should emit dependencies on CPP headers new bug low 7.6.2
#3620 The seeds generated by split are not independent new rrnewton bug normal _|_
#3628 exceptions reported to stderr when they propagate past forkIO new -- bug normal _|_
#3649 inconsistent exception between unix/windows for running non-existant program new bug low 7.6.2
#3676 realToFrac doesn't sanely convert between floating types new bug normal _|_
#3697 Method selectors aren't floated out of loops new bug low 7.6.2
#3698 Bad code generated for zip/filter/filter loop new bug low 7.6.2
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