{3} Feature requests by priority (572 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#8206 Add support for Portable Native Client Compiler normal Alex Sayers new Aug 31, 2013
#8583 Associated pattern synonyms Compiler normal new Dec 1, 2013
#8605 Alternative, guard-like syntax for view patterns Compiler normal new Dec 10, 2013
#8816 Make SPARC registerised again. Compiler normal new Feb 22, 2014
#8875 Track Exceptions Compiler normal new Mar 11, 2014
#8881 No way to unsubscribe a bug Trac & Git normal new Mar 13, 2014
#8914 Remove unnecessary constraints from MonadComprehensions and ParallelListComp Compiler (Type checker) normal new Mar 19, 2014
#9819 Create typesafe method of obtaining dictionary types from class definitions, and constraint objects from dictionary types Compiler normal new Nov 21, 2014
#9990 Top level module identifiers shadow imported identifiers Compiler normal new Jan 15, 2015
#10323 Add Android and iOS Operating Systems in Trac Trac & Git normal hvr new Apr 18, 2015
#2403 caching for runghc (runhaskell) Compiler normal normal jsnx new Jun 29, 2008
#3919 Or-patterns as GHC extension Compiler normal new Mar 14, 2010
#9866 ssh pubkey self-mgmt Trac & Git normal hvr new Dec 5, 2014
#4385 Type-level natural numbers Compiler (Type checker) normal diatchki new Oct 11, 2010
#4470 Loop optimization: identical counters Compiler normal new Nov 4, 2010
#4900 Consider usage files in the GHCi recompilation check Compiler normal new Jan 18, 2011
#5972 option to suppress (Monomorphic) record selector functions Compiler normal new Mar 27, 2012
#7140 Allow type signature in export list Compiler (Type checker) normal new Aug 13, 2012
#8581 Pattern synonym used in an expression context could have different constraints to pattern used in a pattern context Compiler normal new Dec 1, 2013
#8761 Make pattern synonyms work with Template Haskell Template Haskell normal bollmann new Feb 9, 2014
#9649 symbols should/might be type level lists of chars Compiler normal ibotty new Sep 29, 2014
#9671 Allow expressions in patterns Compiler normal new Oct 8, 2014
#9846 GHC --make should also look for .hi, not only for .hs Driver normal new Nov 28, 2014
#3517 GHC has lots of extra hidden IOErrorType values Core Libraries low normal new Sep 15, 2009
#10391 Ability to get export list of TH reified module Template Haskell low new May 7, 2015
#989 Build GHC on Windows using Microsoft toolchain Compiler low normal new Nov 6, 2006
#3372 Allow for multiple linker instances Runtime System (Linker) low normal new Jul 14, 2009
#3895 "Fix" pervasive-but-unnecessary signedness in GHC.Prim Compiler low new Feb 22, 2010
#5266 Licensing requirements and copyright notices None low new Jun 19, 2011
#2742 The -> in ViewPatterns binds more weakly than infix data constructors. Compiler (Parser) 6.10.1 normal normal new Nov 4, 2008
#2893 Implement "Quantified contexts" proposal Compiler 6.10.1 normal normal new Dec 23, 2008
#2895 Implement the "Class System Extension" proposal Compiler 6.10.1 normal normal new Dec 24, 2008
#3021 A way to programmatically insert marks into heap profiling output Profiling 6.10.1 normal normal new Feb 12, 2009
#3085 warn about language extensions that are not used Compiler 6.10.1 normal normal new Mar 11, 2009
#2896 Warning suggestion: argument not necessarily a binary operator Compiler 6.10.1 low normal new Dec 24, 2008
#3052 ghc FFI doesn't support thiscall Compiler (FFI) 6.10.1 low normal new Feb 27, 2009
#2721 Newtype deriving doesn't work with type families Compiler (Type checker) 6.10.1 lowest normal new Oct 22, 2008
#2867 Make a way to tell GHC that a pragma name should be "recognised" Compiler 6.10.1 lowest normal new Dec 9, 2008
#2945 add command :mergetrace GHCi 6.10.1 lowest normal new Jan 13, 2009
#2946 tracing should be controled by a global flag GHCi 6.10.1 lowest minor new Jan 13, 2009
#2950 show breakpoint numbers of breakpoints which were ignored during :force GHCi 6.10.1 lowest trivial new Jan 14, 2009
#2986 :info printing instances often isn't wanted GHCi 6.10.1 lowest normal Remi new Jan 28, 2009
#3000 :break command should recognize also nonexported top level symbols in qualified IDs GHCi 6.10.1 lowest normal new Feb 3, 2009
#3122 Enhance --info Compiler 6.10.1 lowest normal duncan new Mar 24, 2009
#1409 Allow recursively dependent modules transparently (without .hs-boot or anything) Compiler 6.10.2 normal normal new Jun 4, 2007
#3205 Generalized isomorphic deriving Compiler 6.10.2 normal normal new May 3, 2009
#3283 Selective disabling of unused bind warnings Compiler 6.10.2 normal normal new Jun 8, 2009
#3192 Add dynCompileCoreExpr :: GhcMonad m => Bool -> Expr CoreBind -> m Dynamic to ghc-api GHC API 6.10.2 lowest normal new Apr 25, 2009
#3282 How to start an emacs editor within ghci asynchronously with :edit filename.hs :set editor emacs & don't go GHCi 6.10.2 lowest normal new Jun 7, 2009
#3314 Add compilation date to +RTS --info Compiler 6.10.2 lowest normal new Jun 20, 2009
#3215 Valgrind support Runtime System 6.10.3 normal trivial new May 10, 2009
#4114 Add a flag to remove/delete intermediate files generated by GHC Compiler 6.10.4 normal 8.2.1 kaiha patch Jun 2, 2010
#3490 Relax superclass restrictions Compiler 6.10.4 normal minor DevarshDesai new Sep 8, 2009
#3583 Default view patterns Compiler 6.10.4 normal normal new Oct 13, 2009
#3601 When running two or more instances of GHCi, persistent history is only kept for the first one GHCi 6.10.4 normal minor new Oct 20, 2009
#3615 GHCi doesn't allow the use of imported data contructors GHCi 6.10.4 normal minor new Oct 27, 2009
#3427 control what sort of entity a deprecated pragma applies to Compiler 6.10.4 low normal new Aug 12, 2009
#3464 Find import declaration importing a certain function GHCi 6.10.4 low normal new Aug 26, 2009
#3483 Some mechanism for eliminating "absurd" patterns Compiler 6.10.4 low normal new Sep 3, 2009
#3547 Improve granularity of UndecidableInstances Compiler 6.10.4 low normal new Sep 28, 2009
#3619 allow to set ghc search path globally (a'la CPATH) Compiler 6.10.4 low normal new Oct 28, 2009
#3632 lift restrictions on records with existential fields, especially in the presence of class constraints Compiler 6.10.4 low normal new Nov 2, 2009
#3645 Layout and pragmas Compiler (Parser) 6.10.4 low normal new Nov 7, 2009
#3701 allow existential wrapper newtypes Compiler (Type checker) 6.10.4 low new Nov 28, 2009
#3452 Show type of most recent expression in GHCi GHCi 6.10.4 lowest normal new Aug 23, 2009
#3545 As-patterns for type signatures Compiler (Type checker) 6.11 normal normal new Sep 27, 2009
#3557 CPU Vector instructions in GHC.Prim Data Parallel Haskell 6.11 normal normal new Oct 2, 2009
#3123 make INLINE work for recursive definitions (generalized loop peeling/loop unrolling) Compiler 6.11 lowest normal new Mar 25, 2009
#3769 Add manpages for programs installed alongside ghc Documentation 6.12.1 normal new Dec 16, 2009
#3984 Handle multiline input in GHCi history GHCi 6.12.1 normal new Apr 13, 2010
#4259 Relax restrictions on type family instance overlap Compiler (Type checker) 6.12.1 normal new Aug 16, 2010
#3753 Make ghci's -l option consistent with GNU ld's -l option GHCi 6.12.1 low new Dec 15, 2009
#3786 showing function arguments when stopped at its definition GHCi 6.12.1 low new Dec 25, 2009
#3869 RTS GC Statistics from -S should be logged via the eventlog system Runtime System 6.12.1 low new Feb 8, 2010
#3980 System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag Core Libraries 6.12.1 low new Apr 11, 2010
#4955 increase error message detail for module lookups failure due to hi references Package system 6.12.1 low new Feb 11, 2011
#3870 Avoid Haddock-links to the Prelude Documentation 6.12.1 lowest new Feb 8, 2010
#3541 Allow local foreign imports Compiler (FFI) 6.12.2 normal normal DevarshDesai new Sep 25, 2009
#4091 Parse error on curried context of instance declaration Compiler 6.12.2 normal new May 24, 2010
#4092 Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64# Compiler 6.12.2 normal new May 24, 2010
#4102 Bit manipulation built-ins Core Libraries 6.12.2 normal new May 29, 2010
#4016 Strange display behaviour in GHCi Compiler 6.12.2 low new Apr 26, 2010
#4020 Please consider adding support for local type synonyms Compiler (Type checker) 6.12.2 low new Apr 27, 2010
#4052 Two sided sections Compiler (Parser) 6.12.2 low new May 7, 2010
#4096 New primops for indexing: index*OffAddrUsing# etc Compiler 6.12.2 low new May 25, 2010
#4370 Bring back monad comprehensions Compiler 6.12.3 normal new Oct 6, 2010
#4180 do not consider associativity for unary minus for fixity resolution Compiler (Parser) 6.12.3 low new Jul 8, 2010
#4222 Template Haskell lets you reify supposedly-abstract data types Template Haskell 6.12.3 low new Jul 26, 2010
#4329 GHC.Conc modifyTVar primitive Core Libraries 6.12.3 low new Sep 21, 2010
#4453 Allow specifying .hi files of imports on command line in batch mode Compiler 6.12.3 low new Oct 29, 2010
#4815 Instance constraints should be used when deriving on associated data types Compiler 6.12.3 low new Dec 3, 2010
#3577 Complete support for Data Parallel Haskell Data Parallel Haskell 6.13 normal normal rl new Oct 12, 2009
#3744 Comparisons against minBound/maxBound not optimised for (Int|Word)(8|16|32) Compiler 6.13 low new Dec 11, 2009
#728 switch to compacting collection when swapping occurs Runtime System 6.4.1 normal major new Mar 16, 2006
#750 Set -M, -H, -c and other memory-related values based on available virtual/physical memory Runtime System 6.4.1 normal normal new Apr 19, 2006
#881 Improve space profiling for references Profiling 6.4.2 normal normal new Aug 31, 2006
#849 Offer control over branch prediction Compiler 6.4.2 normal normal simonmar new Aug 8, 2006
#860 CPP fails when a macro is used on a line containing a single quote character Compiler 6.4.2 lowest minor new Aug 10, 2006
#1262 RecursiveDo in Template Haskell Template Haskell 6.6 normal normal new Apr 3, 2007
#1192 GHC-only IOErrorType constructors, and is*Error(Type) functions Compiler 6.6 low minor new Mar 4, 2007
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