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Ticket Summary Status Owner Priority Milestone Component
#7952 Can cost-centre annotations be included in -ddump-simpl? new normal Compiler
#7870 Compilatio​n errors break the complexity encapsulat​ion on DSLs, impairs success in industry new normal Compiler (Type checker)
#7863 Verbosity level for quieter Template Haskell new normal Template Haskell
#7860 Add more bit fiddling functions to 'integer-gmp' new normal libraries (other)
#7845 RebindableSyntax should allow rebinding tuples and lists new normal Compiler
#7808 data families and TH names do not mix well (e.g. cannot use TH deriving) new normal 7.8.3 Template Haskell
#7767 "internal error: evacuate: strange closure type 154886248" crash new normal 7.8.3 Runtime System
#7746 Support loading/unloading profiled objects from a profiled executable new ezyang normal 7.8.3 Runtime System
#7741 Add SIMD support to x86/x86_64 NCG new normal 7.8.3 Compiler
#7662 Improve GC of mutable objects new normal Runtime System
#7647 UNPACK polymorphic fields new simonpj normal 7.10.1 Compiler
#7637 split-objs not supported for ARM new normal 7.8.3 Compiler
#7635 SafeHaskell implying other options new normal 7.8.3 Compiler
#7606 Stride scheduling for Haskell threads with priorities new ezyang normal 7.8.3 Runtime System
#7544 GHC downloads are unsigned new normal 7.8.3 Build System
#7495 Rebindable list syntax? new normal 7.8.3 Compiler
#7494 Allow compatible type synonyms to be the return type of a GADT data constructor. new normal 7.8.3 Compiler (Type checker)
#7492 Generic1 deriving: Can we replace Rec1 f with f :.: Par1? new dreixel normal 7.8.3 Compiler
#7459 deriving Generic does not work with TypeLits new dreixel normal 7.8.3 Compiler
#7414 plugins always trigger recompilation new normal 7.8.3 Compiler
#7413 runghc (runhaskell) should be able to reload code on editing new normal 7.8.3 Compiler
#7401 Can't derive instance for Eq when datatype has no constructor, while it is trivial do do so. new monoidal normal 7.8.3 Compiler
#7395 DefaultSignatures conflict with default implementations new normal 7.8.3 Compiler
#7337 GHC does not generate great code for bit-level rotation new normal 7.8.3 Compiler
#7335 Need for extra warning pragma for accidental pattern matching in do blocks new normal 7.8.3 Compiler
#7331 Allow the evaluation of declaration splices in GHCi new normal 7.8.3 GHCi
#7330 Data Parallel Haskell (DPH) isn't usable yet. new benl normal 7.8.3 Compiler
#7300 Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC new high 7.8.3 Compiler (FFI)
#7291 hp2ps should cope with incomplete data new normal Profiling
#7285 mkWeakMVar is non-compositional new normal 7.8.3 Compiler
#7283 Specialise INLINE functions new normal 7.8.3 Compiler
#7275 Give more detailed information about PINNED data in a heap profile new normal 7.8.3 Compiler
#7261 ghci's :info and :browse break encapsulation new normal GHCi
#7253 Top-level bindings in ghci new normal 7.8.3 GHCi
#7204 Use a class to control FFI marshalling new normal 7.8.3 Compiler
#7181 Add documentation on heap-profile file format. new normal 7.8.3 Documentation
#7169 Warning for incomplete record field label used as function new normal 7.8.3 Compiler
#7158 GHCi commands case insensitive new normal 7.8.3 GHCi
#7140 Allow type signature in export list new normal 7.8.3 Compiler (Type checker)
#7105 Better names for derived SCCs of instances new simonmar normal 7.6.2 Profiling
#7104 Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue new simonmar normal 7.8.3 libraries (other)
#7081 arrow analogs of lambda case and multi-way if new normal 7.8.3 Compiler
#7048 Add the ability to statically define a `FunPtr` to a haskell function new normal 7.8.3 Compiler
#7015 Add support for 'static' new normal 7.8.3 Compiler
#6089 Allow declaration splices inside declaration brackets new simonpj normal 7.8.3 Template Haskell
#6030 Typeclass constraint should pick the OverloadedString type. new normal Compiler
#6024 Allow defining kinds alone, without a datatype new normal 7.8.3 Compiler (Type checker)
#6018 Injective type families new simonpj normal 7.8.3 Compiler
#5972 option to suppress (Monomorphic) record selector functions new adamgundry normal 7.8.3 Compiler
#5942 implement POSIX confstr() in System/Posix/Unistd.hsc new normal 7.6.2 libraries/unix
#5941 Add compilation stage plugins new normal 7.8.3 Compiler
#5927 A type-level "implies" constraint on Constraints new normal 7.6.2 Compiler (Type checker)
#5918 hsc2hs forces wordsize (i.e. -m32 or -m64) to be the choice of GHC instead of allowing a different (or no/default choice) new low 7.6.2 hsc2hs
#5910 Holes with other constraints new high 7.8.3 Compiler (Type checker)
#5850 Greater customization of GHCi prompt new normal 7.6.2 GHCi
#5835 Make better use of known dictionaries new normal 7.6.2 Compiler
#5834 Allow both INLINE and INLINABLE for the same function new normal 7.6.2 Compiler
#5823 FFI and CAPI needs {-# INCLUDE #-} back? new normal 7.6.2 Compiler
#5813 Offer a compiler warning for failable pattern matches new normal 7.6.2 Compiler
#5672 parBufferWHNF could be less subtle new duncan normal 7.6.2 libraries (other)
#5647 CLI option to silence "Loading package foo ... linking ... done" output new normal 7.6.2 Compiler
#5619 Shorter qualified import statements new normal 7.6.2 Compiler
#5610 Improve "Unacceptable argument type in foreign declaration" error message new high 7.4.1 Compiler (Type checker)
#5590 "guarded instances": instance selection can add extra parameters to the class new simonpj normal 7.6.2 Compiler (Type checker)
#5556 Support pin-changing on ByteArray#s new normal 7.6.2 Compiler
#5542 also parse class/instance declarations as "HEAD <= CONTEXT where" new normal 7.6.2 Compiler (Parser)
#5476 Cap memory usage for one thread without disrupting other threads new normal Runtime System
#5467 Template Haskell: support for Haddock comments new normal 7.6.2 Template Haskell
#5462 Deriving clause for arbitrary classes new dreixel normal Compiler
#5429 Docase notation as GHC extension new tomasp normal 7.6.2 Compiler
#5416 Local modules and Template Haskell declaration splices new normal Compiler
#5392 Warnings about impossible MPTCs would be nice new normal 7.6.2 Compiler
#5364 Access RTS flag values from inside Haskell programs new normal 7.6.2 libraries/base
#5344 CSE should look through coercions new simonpj normal Compiler
#5324 Locally-scoped RULES new normal Compiler
#5296 Add explicit type applications new low 7.6.2 Compiler (Type checker)
#5288 Less noisy version of -fwarn-name-shadowing new low 7.6.2 Compiler
#5273 error and undefined should print a location new low 7.6.2 Compiler
#5266 Licensing requirements and copyright notices new low 7.6.2 None
#5248 Infer type context in a type signature new low 7.6.2 Compiler (Type checker)
#5239 Em-dash for "--" with UnicodeSyntax. new normal 7.6.2 Compiler (Parser)
#5219 need a version of hs_init that returns an error code for command-line errors new low 7.6.2 Runtime System
#5218 Add unpackCStringLen# to create Strings from string literals new thoughtpolice high 7.8.3 Compiler
#5197 Support static linker semantics for archives and weak symbols new low 7.6.2 Runtime System
#5171 Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement new low 7.6.2 Compiler
#5108 Allow unicode sub/superscript symbols in both identifiers and operators new normal 7.6.2 Compiler (Parser)
#5082 Emit warnings when conflicting flags are supplied new low Compiler
#5075 CPR optimisation for sum types if only one constructor is used new simonpj normal 7.6.2 Compiler
#5059 Pragma to SPECIALISE on value arguments new low 7.6.2 Compiler
#5016 Make Template Haskell: -ddump-splices generate executable code new low 7.6.2 Template Haskell
#4980 Warning about module abbreviation clashes new low 7.6.2 Compiler
#4959 Warning about variables with leading underscore that are used anyway new low 7.10.1 Compiler (Parser)
#4937 Remove indirections caused by sum types, such as Maybe new normal 7.6.2 Compiler
#4921 report ambiguous type variables more consistently new low 7.6.2 Compiler (Type checker)
#4913 Make event tracing conditional on an RTS flag only new low 7.6.2 Runtime System
#4900 DEPENDS pragma new normal 7.8.3 Compiler
#4894 Missing improvement for fun. deps. new normal Compiler (Type checker)
#4879 Deprecate exports new high 7.8.3 Compiler
#4823 Loop strength reduction for array indexing new low 7.6.2 Compiler
#4815 Instance constraints should be used when deriving on associated data types new low 7.6.2 Compiler
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