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Status: new (100 matches)

Ticket Summary Owner Type Priority Version Created
#3895 "Fix" pervasive-but-unnecessary signedness in GHC.Prim feature request low 4 years
#3321 -fhpc assumes original sources relative to the current directory bug lowest 6.10.1 5 years
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported bug lowest 6.8.3 5 years
#2104 Add Labels feature request lowest 6.8.2 6 years
#4114 Add a flag to remove/delete intermediate files generated by GHC iduhetonas feature request low 6.10.4 4 years
#2550 Add an option to read file names from a file instead of the command line feature request lowest 6.9 6 years
#5073 Add blockST for nested ST scopes bug low 7.0.3 3 years
#3314 Add compilation date to +RTS --info feature request lowest 6.10.2 5 years
#4466 Add extension for type application feature request low 6.12.3 3 years
#3458 Allocation where none should happen bug lowest 6.10.4 5 years
#5834 Allow both INLINE and INLINABLE for the same function feature request normal 7.5 2 years
#3372 Allow for multiple linker instances feature request low 5 years
#4453 Allow specifying .hi files of imports on command line in batch mode feature request low 6.12.3 3 years
#1965 Allow unconstrained existential contexts in newtypes feature request normal 6.8.1 6 years
#2598 Avoid excessive specialisation in SpecConstr feature request lowest 6.8.3 6 years
#3073 Avoid reconstructing dictionaries in recursive instance methods bug lowest 6.10.1 5 years
#2731 Avoid unnecessary evaluation when unpacking constructors bug lowest 6.8.3 5 years
#1016 Avoidance of unaligned loads is overly conservative task lowest 6.6 7 years
#5924 Bad Cmm generated for updating one element in Array# bug normal 7.4.1 2 years
#4960 Better inlining test in CoreUnfold bug low 7.0.1 3 years
#2600 Bind type variables in RULES simonpj feature request lowest 6.8.3 6 years
#3571 Bizzarely bloated binaries bug lowest 6.10.4 5 years
#5647 CLI option to silence "Loading package foo ... linking ... done" output feature request normal 7.2.1 2 years
#5075 CPR optimisation for sum types if only one constructor is used simonpj feature request normal 7.0.3 3 years
#3744 Comparisons against minBound/maxBound not optimised bug low 6.13 4 years
#2346 Compilation of large source files requires a lot of RAM bug lowest 6.8.2 6 years
#4012 Compilation results are not deterministic bug high 6.12.2 4 years
#5262 Compiling with -O makes some expressions too lazy and causes space leaks bug low 7.1 3 years
#5763 Confusing error message simonpj bug high 7.2.2 2 years
#4938 Core2 CPU not detected correctly bug low 7.1 3 years
#2836 Data.Typeable does not use qualified names feature request lowest 6.10.1 5 years
#5791 Defer other kinds of errors until runtime, not just type errors task normal 7.2.2 2 years
#1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient bug normal 6.6.1 7 years
#4896 Deriving Data does not work for attached code bug low 7.1 3 years
#5642 Deriving Generic of a big type takes a long time and lots of space dimitris bug high 7.3 2 years
#2940 Do CSE after CorePrep simonpj bug lowest 6.10.1 5 years
#5429 Docase notation as GHC extension tomasp feature request normal 3 years
#2333 Emit a warning if an INLINE function is a loop breaker feature request lowest 6.8.2 6 years
#3646 Enforce requirement that our repos contains a subset of upstream's patches task lowest 6.10.4 4 years
#3122 Enhance --info duncan feature request lowest 6.10.1 5 years
#5443 Errors when shutting down the event manager loop tibbe bug normal 7.2.1 3 years
#5630 External Core needs love bug normal 7.2.1 2 years
#5823 FFI and CAPI needs {-# INCLUDE #-} back? feature request normal 7.5 2 years
#4833 Finding the right loop breaker bug low 7.0.1 3 years
#4092 Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64# feature request normal 6.12.2 4 years
#1883 GHC can't find library using "short" name bug lowest 6.6.1 6 years
#5539 GHC panic - Simplifier ticks exhausted simonpj bug high 7.3 3 years
#6047 GHC retains unnecessary binding simonpj bug normal 7.4.1 2 years
#7316 GHC segfaults on ARM bgamari bug normal 7.4.2 19 months
#3379 GHC should use the standard binary package task normal 6.10.4 5 years
#4329 GHC.Conc modifyTVar primitive feature request low 6.12.3 4 years
#1349 Generalise the ! and UNPACK mechanism for data types, to unpack function arguments task normal 6.6.1 7 years
#5928 INLINABLE fails to specialize in presence of simple wrapper bug normal 7.4.1 2 years
#3712 Implement -dynamic-lib option task low 6.12.1 RC1 4 years
#888 Implement the static argument transformation task normal 6.4.2 8 years
#1885 Improve CPR analysis feature request lowest 6.8.1 6 years
#2642 Improve SpecConstr for join points bug lowest 6.8.3 6 years
#5224 Improve consistency checking for family instances simonpj bug low 7.0.3 3 years
#2988 Improve float-in bug lowest 6.10.1 5 years
#3547 Improve granularity of UndecidableInstances feature request low 6.10.4 5 years
#3781 Improve inlining for local functions bug lowest 6.12.1 4 years
#3755 Improve join point inlining task low 6.12.1 4 years
#2256 Incompleteness of type inference: must quantify over implication constraints simonpj bug lowest 6.8.2 6 years
#5775 Inconsistency in demand analysis bug normal 7.5 2 years
#4471 Incorrect Unicode output on Windows Console bug low 6.12.3 3 years
#5298 Inlined functions aren't fully specialised bug low 7.0.3 3 years
#4815 Instance constraints should be used when deriving on associated data types feature request low 6.12.3 3 years
#3055 Int / Word / IntN / WordN are unequally optimized bug lowest 6.11 5 years
#6087 Join points need strictness analysis bug normal 7.4.1 2 years
#5288 Less noisy version of -fwarn-name-shadowing feature request low 7.0.3 3 years
#5355 Link plugins against existing libHSghc bug normal 7.0.3 3 years
#4428 Local functions lose their unfoldings bug low 7.1 3 years
#4470 Loop optimization: identical counters feature request normal 3 years
#4823 Loop strength reduction for array indexing feature request low 7.1 3 years
#3217 Make GHCi have separate flags for interactive Haskell expressions feature request normal 6.10.2 5 years
#1721 Make GHCi print the entire result of an interactive 'bind' statement feature request lowest 6.6.1 7 years
#2867 Make a way to tell GHC that a pragma name should be "recognised" bug lowest 6.10.1 5 years
#5835 Make better use of known dictionaries feature request normal 7.5 2 years
#4806 Make error message more user friendly when module is not found because package is unusable feature request low 7.0.1 3 years
#4281 Make impredicativity work properly simonpj task low 6.12.3 4 years
#1572 Make it easy to find documentation for GHC and installed packages task lowest 6.6.1 7 years
#1631 Make the External Package Table contain ModDetails not ModIface task lowest 6.6.1 7 years
#4800 Memory Leak when Compiling qtHaskell bug low 6.12.3 3 years
#5171 Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement feature request low 7.0.3 3 years
#1216 Missed opportunity for let-no-esape simonpj bug normal 6.6 7 years
#2439 Missed optimisation with dictionaries and loops simonpj bug lowest 6.9 6 years
#2289 Needless reboxing of values when returning from a tight loop bug lowest 6.8.2 6 years
#3462 New codegen: allocate large objects using allocateLocal() task low 6.11 5 years
#4096 New primops for indexing: index*OffAddrUsing# etc feature request low 6.12.2 4 years
#2721 Newtype deriving doesn't work with type families feature request lowest 6.10.1 5 years
#4899 Non-standard compile plus Template Haskell produces spurious "unknown symbol" linker error simonmar bug low 7.0.1 3 years
#5813 Offer a compiler warning for failable pattern matches feature request normal 7.2.2 2 years
#849 Offer control over branch prediction feature request normal 6.4.2 8 years
#1600 Optimisation: CPR the results of IO nomeata task lowest 6.6.1 7 years
#1498 Optimisation: eliminate unnecessary heap check in recursive function bug low 6.6.1 7 years
#4301 Optimisations give bad core for foldl' (flip seq) () bug low 6.12.3 4 years
#2387 Optimizer misses unboxing opportunity bug lowest 6.8.2 6 years
#5954 Performance regression 7.0 -> 7.2 (still in 7.4) simonpj bug high 7.4.1 2 years
#6166 Performance regression in mwc-random since 7.0.x bug high 7.4.2 22 months
#5326 Polymorphic instances aren't automatically specialised simonpj bug low 7.0.3 3 years
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