{3} Feature requests by priority (310 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#7867 Allow template-haskell to communicate with itself between compilation units through the interface file Template Haskell 7.6.3 normal infoneeded 04/26/13
#5787 Add instances to ZipList libraries/base 7.2.2 normal 7.6.2 infoneeded 01/16/12
#6084 Add stg_ap_pnnv and related call patterns Runtime System 7.4.1 normal 7.8.1 simonmar infoneeded 05/08/12
#7401 Can't derive instance for Eq when datatype has no constructor, while it is trivial do do so. Compiler 7.6.1 normal 7.8.1 infoneeded 11/09/12
#7693 Flush .hp file at the end of each sample Runtime System 7.7 normal 7.6.3 merge 02/15/13
#5610 Improve "Unacceptable argument type in foreign declaration" error message Compiler (Type checker) 7.6.1-rc1 high 7.4.1 new 11/07/11
#4879 Deprecate exports Compiler 7.0.1 high 7.8.1 new 01/05/11
#5218 Add unpackCStringLen# to create Strings from string literals Compiler 7.0.3 high 7.8.1 igloo new 05/25/11
#5910 Holes with other constraints Compiler (Type checker) 7.5 high 7.8.1 new 03/02/12
#7266 Allow fractional-looking integer literals Compiler 7.6.1 high 7.8.1 new 09/23/12
#7300 Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC Compiler (FFI) 7.4.1 high 7.8.1 new 10/05/12
#7835 ghc --make: allow passign .cmm, .c and .hs files in one command line Compiler 7.6.2 normal new 04/14/13
#7845 RebindableSyntax should allow rebinding tuples and lists Compiler 7.7 normal new 04/18/13
#7870 Compilatio​n errors break the complexity encapsulat​ion on DSLs, impairs success in industry Compiler (Type checker) 7.7 normal new 04/27/13
#7883 enable GHC LLVM backend to use LLVM provided CAS / Atomicity primitives? Compiler 7.7 normal carter new 05/02/13
#7895 Warning for literal overflow Compiler 7.6.3 normal new 05/07/13
#7855 Use optimizer for more information about incomplete pattern matches Compiler (Type checker) 7.7 normal new 04/22/13
#7863 Verbosity level for quieter Template Haskell Template Haskell 7.6.3 normal new 04/25/13
#7881 Warning for pointless ranges like [5..2] Compiler 7.6.3 normal new 05/02/13
#2595 Implement record update for existential and GADT data types Compiler 6.8.3 normal normal 6.12 branch new 09/15/08
#849 Offer control over branch prediction Compiler 6.4.2 normal normal 7.6.2 new 08/08/06
#1965 Allow unconstrained existential contexts in newtypes Compiler 6.8.1 normal minor 7.6.2 new 12/08/07
#3085 warn about language extensions that are not used Compiler 6.10.1 normal normal 7.6.2 new 03/11/09
#3217 Make GHCi have separate flags for interactive Haskell expressions Compiler 6.10.2 normal normal 7.6.2 new 05/11/09
#3693 Show stack traces Runtime System 6.10.4 normal 7.6.2 new 11/25/09
#3984 Handle multiline input in GHCi history GHCi 6.12.1 normal 7.6.2 new 04/13/10
#4092 Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64# Compiler 6.12.2 normal 7.6.2 new 05/24/10
#4102 Bit manipulation built-ins libraries/base 6.12.2 normal 7.6.2 new 05/28/10
#4385 Type-level natural numbers Compiler (Type checker) normal 7.6.2 diatchki new 10/11/10
#4470 Loop optimization: identical counters Compiler normal 7.6.2 new 11/04/10
#4900 DEPENDS pragma Compiler normal 7.6.2 new 01/17/11
#4937 Remove indirections caused by sum types, such as Maybe Compiler 7.0.1 normal 7.6.2 new 01/31/11
#5075 CPR optimisation for sum types if only one constructor is used Compiler 7.0.3 normal 7.6.2 simonpj new 04/01/11
#5108 Allow unicode sub/superscript symbols in both identifiers and operators Compiler (Parser) 7.1 normal 7.6.2 new 04/12/11
#5239 Em-dash for "--" with UnicodeSyntax. Compiler (Parser) 7.0.3 normal 7.6.2 new 06/04/11
#5364 Access RTS flag values from inside Haskell programs libraries/base 7.3 normal 7.6.2 new 07/30/11
#5392 Warnings about impossible MPTCs would be nice Compiler 7.0.4 normal 7.6.2 new 08/08/11
#5429 Docase notation as GHC extension Compiler normal 7.6.2 tomasp new 08/24/11
#5462 Deriving clause for arbitrary classes Compiler 7.2.1 normal 7.6.2 new 09/05/11
#5467 Template Haskell: support for Haddock comments Template Haskell 7.2.1 normal 7.6.2 new 09/06/11
#5542 also parse class/instance declarations as "HEAD <= CONTEXT where" Compiler (Parser) 7.2.1 normal 7.6.2 new 10/09/11
#5556 Support pin-changing on ByteArray#s Compiler 7.2.1 normal 7.6.2 new 10/13/11
#5590 "guarded instances": instance selection can add extra parameters to the class Compiler (Type checker) 7.2.1 normal 7.6.2 simonpj new 10/27/11
#5619 Shorter qualified import statements Compiler 7.2.1 normal 7.6.2 new 11/09/11
#5647 CLI option to silence "Loading package foo ... linking ... done" output Compiler 7.2.1 normal 7.6.2 new 11/19/11
#5672 parBufferWHNF could be less subtle libraries (other) 7.2.1 normal 7.6.2 duncan new 12/02/11
#5687 Friendly Interface for auto-completion of GHCi GHCi 7.2.1 normal 7.6.2 new 12/07/11
#5813 Offer a compiler warning for failable pattern matches Compiler 7.2.2 normal 7.6.2 new 01/24/12
#5823 FFI and CAPI needs {-# INCLUDE #-} back? Compiler 7.5 normal 7.6.2 new 01/28/12
#5834 Allow both INLINE and INLINABLE for the same function Compiler 7.5 normal 7.6.2 new 01/30/12
#5835 Make better use of known dictionaries Compiler 7.5 normal 7.6.2 new 01/30/12
#5850 Greater customization of GHCi prompt GHCi 7.4.1 normal 7.6.2 new 02/06/12
#5925 Add inline version of newArray# Compiler 7.4.1 normal 7.6.2 new 03/09/12
#5927 A type-level "implies" constraint on Constraints Compiler (Type checker) 7.4.1 normal 7.6.2 new 03/11/12
#5942 implement POSIX confstr() in System/Posix/Unistd.hsc libraries/unix 7.4.1 normal 7.6.2 new 03/14/12
#7105 Better names for derived SCCs of instances Profiling 7.4.2 normal 7.6.2 simonmar new 07/30/12
#3647 unify handling and error messages for -X vs. {-#LANGUAGE ...#-} pragmas/extensions Compiler (Parser) 6.10.4 normal trivial 7.8.1 igloo new 11/07/09
#4259 Relax restrictions on type family instance overlap Compiler (Type checker) 6.12.1 normal 7.8.1 new 08/16/10
#5941 Add compilation stage plugins Compiler 7.4.1 normal 7.8.1 new 03/14/12
#5972 option to suppress (Monomorphic) record selector functions Compiler normal 7.8.1 igloo new 03/27/12
#6018 Injective type families Compiler 7.4.1 normal 7.8.1 simonpj new 04/18/12
#6024 Allow defining kinds alone, without a datatype Compiler (Type checker) 7.5 normal 7.8.1 new 04/19/12
#6089 Allow declaration splices inside declaration brackets Template Haskell 7.4.1 normal 7.8.1 simonpj new 05/11/12
#6135 Unboxed Booleans Compiler 7.4.1 normal 7.8.1 jstolarek new 05/31/12
#7015 Add support for 'static' Compiler 7.4.2 normal 7.8.1 new 06/20/12
#7021 Tuple (and other exotic predicates) not yet handled in Template Haskell Template Haskell 7.5 normal 7.8.1 new 06/21/12
#7048 Add the ability to statically define a `FunPtr` to a haskell function Compiler 7.4.2 normal 7.8.1 new 07/04/12
#7081 arrow analogs of lambda case and multi-way if Compiler 7.5 normal 7.8.1 new 07/16/12
#7104 Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue libraries (other) 7.4.2 normal 7.8.1 simonmar new 07/29/12
#7140 Allow type signature in export list Compiler (Type checker) normal 7.8.1 new 08/13/12
#7158 GHCi commands case insensitive GHCi 7.6.1-rc1 normal 7.8.1 new 08/17/12
#7169 Warning for incomplete record field label used as function Compiler 7.7 normal 7.8.1 new 08/20/12
#7181 Add documentation on heap-profile file format. Documentation 7.4.2 normal 7.8.1 new 08/23/12
#7204 Use a class to control FFI marshalling Compiler 7.4.2 normal 7.8.1 new 08/31/12
#7253 Top-level bindings in ghci GHCi 7.6.1 normal 7.8.1 new 09/19/12
#7263 Add derived Show instances to GHC.Generics GHC API 7.7 normal 7.8.1 dreixel new 09/23/12
#7275 Give more detailed information about PINNED data in a heap profile Compiler 7.6.1 normal 7.8.1 igloo new 09/28/12
#7283 Specialise INLINE functions Compiler 7.7 normal 7.8.1 new 09/30/12
#7285 mkWeakMVar is non-compositional Compiler 7.6.1 normal 7.8.1 new 10/01/12
#7330 Data Parallel Haskell (DPH) isn't usable yet. Compiler 7.6.1 normal 7.8.1 benl new 10/14/12
#7331 Allow the evaluation of declaration splices in GHCi GHCi 7.6.1 normal 7.8.1 new 10/14/12
#7335 Need for extra warning pragma for accidental pattern matching in do blocks Compiler 7.6.1 normal 7.8.1 new 10/16/12
#7337 GHC does not generate great code for bit-level rotation Compiler 7.6.1 normal 7.8.1 new 10/16/12
#7346 Allow the use of `deriving` for GHC generics Compiler 7.7 normal 7.8.1 dreixel new 10/19/12
#7395 DefaultSignatures conflict with default implementations Compiler 7.6.1 normal 7.8.1 new 11/05/12
#7413 runghc (runhaskell) should be able to reload code on editing Compiler 7.6.1 normal 7.8.1 new 11/13/12
#7414 plugins always trigger recompilation Compiler 7.6.1 normal 7.8.1 new 11/13/12
#7459 deriving Generic does not work with TypeLits Compiler 7.6.1 normal 7.8.1 dreixel new 11/29/12
#7492 Generic1 deriving: Can we replace Rec1 f with f :.: Par1? Compiler 7.7 normal 7.8.1 dreixel new 12/09/12
#7494 Allow compatible type synonyms to be the return type of a GADT data constructor. Compiler (Type checker) 7.4.1 normal 7.8.1 new 12/10/12
#7495 Rebindable list syntax? Compiler 7.6.1 normal 7.8.1 new 12/10/12
#7509 Changing the second prompt. :{ modules| No setting available to change. Compiler 7.6.1 normal 7.8.1 igloo new 12/18/12
#7544 GHC downloads are unsigned Build System 7.6.1 normal 7.8.1 igloo new 01/02/13
#7606 Stride scheduling for Haskell threads with priorities Runtime System 7.7 normal 7.8.1 ezyang new 01/18/13
#7619 Make worker-wrapper unbox data families Compiler 7.7 normal 7.8.1 simonpj new 01/23/13
#7633 Checkable "minimal complete definitions" Compiler 7.6.1 normal 7.8.1 new 01/27/13
#7635 SafeHaskell implying other options Compiler 7.6.1 normal 7.8.1 new 01/28/13
#7637 split-objs not supported for ARM Compiler 7.7 normal 7.8.1 new 01/29/13
#7647 UNPACK polymorphic fields Compiler 7.6.1 normal 7.8.1 simonpj new 01/31/13
#7676 Unify patterns and function bindings Compiler 7.7 normal 7.8.1 new 02/08/13
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