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Status: new (100 matches)

Ticket Summary Owner Type Priority Version Created
#1216 Missed opportunity for let-no-esape simonpj bug normal 6.6 7 years
#1466 Stack check for AP_STACK simonmar bug normal 6.6.1 7 years
#1498 Optimisation: eliminate unnecessary heap check in recursive function bug low 6.6.1 7 years
#1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient bug normal 6.6.1 7 years
#1883 GHC can't find library using "short" name bug lowest 6.6.1 6 years
#2028 STM slightly conservative on write-only transactions bug lowest 6.8.1 6 years
#2147 unhelpful error message for a misplaced DEPRECATED pragma bug lowest 6.8.2 6 years
#2159 Use a more efficient representation than [DynFlag] bug lowest 6.8.2 6 years
#2256 Incompleteness of type inference: must quantify over implication constraints simonpj bug lowest 6.8.2 6 years
#2273 inlining defeats seq bug lowest 6.9 6 years
#2289 Needless reboxing of values when returning from a tight loop bug lowest 6.8.2 6 years
#2346 Compilation of large source files requires a lot of RAM bug lowest 6.8.2 6 years
#2370 num009 fails on OS X 10.5? bug lowest 6.9 6 years
#2387 Optimizer misses unboxing opportunity bug lowest 6.8.2 6 years
#2439 Missed optimisation with dictionaries and loops simonpj bug lowest 6.9 6 years
#2530 deriving Show adds extra parens for constructor with record syntax bug lowest 6.8.3 6 years
#2642 Improve SpecConstr for join points bug lowest 6.8.3 6 years
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported bug lowest 6.8.3 5 years
#2731 Avoid unnecessary evaluation when unpacking constructors bug lowest 6.8.3 5 years
#2867 Make a way to tell GHC that a pragma name should be "recognised" bug lowest 6.10.1 5 years
#2940 Do CSE after CorePrep simonpj bug lowest 6.10.1 5 years
#2988 Improve float-in bug lowest 6.10.1 5 years
#3055 Int / Word / IntN / WordN are unequally optimized bug lowest 6.11 5 years
#3073 Avoid reconstructing dictionaries in recursive instance methods bug lowest 6.10.1 5 years
#3138 Returning a known constructor: GHC generates terrible code for cmonad bug lowest 6.10.1 5 years
#3321 -fhpc assumes original sources relative to the current directory bug lowest 6.10.1 5 years
#3427 control what sort of entity a deprecated pragma applies to bug low 6.10.4 5 years
#3458 Allocation where none should happen bug lowest 6.10.4 5 years
#3533 mac installer package deletes old version of ghc bug lowest 6.10.4 5 years
#3571 Bizzarely bloated binaries bug lowest 6.10.4 5 years
#3588 ghc -M should emit dependencies on CPP headers bug low 6.10.4 5 years
#3704 Using -shared without -dynamic should be rejected on linux bug low 4 years
#3744 Comparisons against minBound/maxBound not optimised bug low 6.13 4 years
#3767 SpecConstr for join points bug low 6.12.1 4 years
#3771 haddock: internal error: evacuate: strange closure type 19269 bug lowest 6.12.1 4 years
#3781 Improve inlining for local functions bug lowest 6.12.1 4 years
#3859 Problems with toClockTime on NetBSD bug lowest 6.12.1 4 years
#3990 UNPACK doesn't unbox data families bug low 7.0.3 4 years
#4012 Compilation results are not deterministic bug high 6.12.2 4 years
#4017 Unhelpful error message in GHCi bug lowest 6.12.2 4 years
#4019 deriving Ord can produce incorrect and inefficient instances bug low 6.13 4 years
#4081 Strict constructor fields inspected in loop benl bug low 6.13 4 years
#4101 Primitive constant unfolding schyler bug low 6.12.2 4 years
#4105 ffi005 fails on OS X bug low 6.12.2 4 years
#4121 Refactor the plumbing of CafInfo to make it more robust bug low 6.12.2 4 years
#4140 dynHelloWorld(dyn) fails in an unreg build bug low 6.12.3 4 years
#4176 reject unary minus in infix left hand side function bindings that resolve differently as expressions bug low 7.2.1 4 years
#4218 System.Random is way too lazy rrnewton bug low 6.12.3 4 years
#4288 Poor -fspec-constr-count=n warning messages bug low 6.13 4 years
#4295 Review higher-rank and impredicative types simonpj bug normal 6.12.3 4 years
#4296 The dreaded SkolemOccurs problem simonpj bug low 6.12.3 4 years
#4301 Optimisations give bad core for foldl' (flip seq) () bug low 6.12.3 4 years
#4428 Local functions lose their unfoldings bug low 7.1 3 years
#4451 Re-linking avoidance is too aggressive bug normal 7.1 3 years
#4471 Incorrect Unicode output on Windows Console bug low 6.12.3 3 years
#4505 Segmentation fault on long input (list of pairs) bug low 7.0.1 3 years
#4800 Memory Leak when Compiling qtHaskell bug low 6.12.3 3 years
#4833 Finding the right loop breaker bug low 7.0.1 3 years
#4836 literate markdown not handled correctly by unlit bug low 7.0.1 3 years
#4896 Deriving Data does not work for attached code bug low 7.1 3 years
#4899 Non-standard compile plus Template Haskell produces spurious "unknown symbol" linker error simonmar bug low 7.0.1 3 years
#4938 Core2 CPU not detected correctly bug low 7.1 3 years
#4955 increase error message detail for module lookups failure due to hi references bug low 6.12.1 3 years
#4960 Better inlining test in CoreUnfold bug low 7.0.1 3 years
#5073 Add blockST for nested ST scopes bug low 7.0.3 3 years
#5142 stub header files don't work with the MS C compiler simonmar bug low 7.0.3 3 years
#5224 Improve consistency checking for family instances simonpj bug low 7.0.3 3 years
#5262 Compiling with -O makes some expressions too lazy and causes space leaks bug low 7.1 3 years
#5292 libHSghc exports more symbols than Windows can handle bug low 7.0.3 3 years
#5298 Inlined functions aren't fully specialised bug low 7.0.3 3 years
#5302 Unused arguments in join points simonpj bug low 7.0.3 3 years
#5305 crash after writing around 40 gigabytes to stdout bug low 7.0.3 3 years
#5320 check_overlap panic (7.1 regression) simonpj bug normal 7.1 3 years
#5326 Polymorphic instances aren't automatically specialised simonpj bug low 7.0.3 3 years
#5355 Link plugins against existing libHSghc bug normal 7.0.3 3 years
#5378 unreg compiler: warning: conflicting types for built-in function ‘memcpy’ bug low 7.3 3 years
#5387 ffi/should_run fptr02 fails on OS X amd64 bug low 7.3 3 years
#5388 ghcilink003 and ghcilink006 fail on OSX bug low 7.0.4 3 years
#5443 Errors when shutting down the event manager loop tibbe bug normal 7.2.1 3 years
#5444 Slow 64-bit primops on 32 bit system bug normal 7.2.1 3 years
#5495 simple program fails with -shared on mac bug low 7.2.1 3 years
#5522 mc03 -O -fliberate-case -fspec-constr runs out of memory simonpj bug normal 7.3 3 years
#5539 GHC panic - Simplifier ticks exhausted simonpj bug high 7.3 3 years
#5615 ghc produces poor code for `div` with constant powers of 2. daniel.is.fischer bug normal 7.4.1-rc1 2 years
#5630 External Core needs love bug normal 7.2.1 2 years
#5642 Deriving Generic of a big type takes a long time and lots of space dimitris bug high 7.3 2 years
#5645 Sharing across functions causing space leak bug normal 7.2.1 2 years
#5692 Source code with large floating constants in exponential notation cannot be compiled pcapriotti bug normal 7.2.1 2 years
#5763 Confusing error message simonpj bug high 7.2.2 2 years
#5775 Inconsistency in demand analysis bug normal 7.5 2 years
#5777 core lint error with arrow notation and GADTs ross bug normal 7.4.2 2 years
#5821 SPECIALISE fails with a cryptic warning bug normal 7.5 2 years
#5841 seg fault in ghci but not ghc when using chart-gtk code bug normal 7.4.1 2 years
#5898 ghc: internal error: Invalid Mach-O file bug normal 7.0.4 2 years
#5916 runST isn't free bug normal 7.4.1 2 years
#5924 Bad Cmm generated for updating one element in Array# bug normal 7.4.1 2 years
#5928 INLINABLE fails to specialize in presence of simple wrapper bug normal 7.4.1 2 years
#5954 Performance regression 7.0 -> 7.2 (still in 7.4) simonpj bug high 7.4.1 2 years
#5959 Top level splice in Template Haskell has over-ambitious lexical scope? bug low 7.5 2 years
#5985 Type operators are not accepted as variables in contexts bug normal 7.5 2 years
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