{3} Feature requests by priority (508 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#4426 Simplify the rules for implicit quantification Compiler 6.12.3 highest 7.12.1 new Oct 22, 2010
#4879 Deprecate exports Compiler 7.0.1 high 7.12.1 new Jan 5, 2011
#8299 Add richer data model address arithmetic: AddrDiff and AddrInt (ie d Int_ptr_diff and Int_ptr_size) Compiler 7.6.3 high 7.12.1 new Sep 14, 2013
#8364 equip GHC with an accurate internal model of floating point Compiler 7.6.3 high 7.12.1 new Sep 26, 2013
#8634 Relax functional dependency coherence check ("liberal coverage condition") Compiler 7.7 high 7.12.1 new Dec 27, 2013
#10067 The Read Integer instance is too slow Core Libraries 7.11 high 7.12.1 new Feb 6, 2015
#7845 RebindableSyntax should allow rebinding tuples and lists Compiler 7.7 normal new Apr 19, 2013
#7870 Compilatio​n errors break the complexity encapsulat​ion on DSLs, impairs success in industry Compiler (Type checker) 7.7 normal new Apr 27, 2013
#8012 Warn when using Enum instance for Float or Double Compiler 7.6.3 normal new Jun 25, 2013
#8015 Show warning when file-header pragma is used after module keyword Compiler 7.6.3 normal new Jun 26, 2013
#2595 Implement record update for existential and GADT data types Compiler 6.8.3 normal normal new Sep 15, 2008
#6077 Respect XDG_CONFIG_HOME None 7.4.1 normal new May 4, 2012
#7860 Add more bit fiddling functions to 'integer-gmp' Core Libraries 7.6.3 normal new Apr 23, 2013
#7952 Can cost-centre annotations be included in -ddump-simpl? Compiler 7.6.3 normal new May 29, 2013
#7961 Remove restrictions on promoting GADT's Compiler 7.6.3 normal new Jun 5, 2013
#8043 Feature Request : Qualified module exports Compiler 7.7 normal new Jul 8, 2013
#8045 Move I/O manager benchmarks into the GHC tree NoFib benchmark suite 7.6.3 normal new Jul 8, 2013
#8046 Make the timer management scale better across multicore Compiler 7.6.3 normal new Jul 8, 2013
#8061 Support for Complex Double in Foreign Function Interface Compiler 7.6.3 normal new Jul 15, 2013
#8064 Warning out when "undefined" value has been used. Compiler 7.6.3 normal new Jul 16, 2013
#8086 Minimal install for GHC Compiler 7.6.3 normal new Jul 23, 2013
#8099 Alternate syntax for indicating when a function is "fully applied" for purposes of inlining Compiler 7.6.3 normal new Jul 27, 2013
#8109 Type family patterns should support as-patterns. Compiler 7.6.3 normal qnikst new Aug 1, 2013
#8150 Foreign export requires redundant type signature Compiler 7.6.3 normal new Aug 21, 2013
#8171 Extending ExtendedDefaultRules Compiler 7.6.3 normal new Aug 24, 2013
#8206 Add support for Portable Native Client Compiler normal Alex Sayers new Aug 31, 2013
#8220 Macros / functions for source location Compiler 7.6.3 normal new Sep 3, 2013
#8263 allow duplicate deriving / standalone deriving Compiler 7.6.3 normal new Sep 10, 2013
#8300 split-objs doesn't split on LLVM Compiler (LLVM) 7.7 normal new Sep 14, 2013
#8311 suboptimal code generated for even :: Int -> Bool by NCG (x86, x86_64) Compiler (NCG) 7.7 normal new Sep 16, 2013
#8325 Pattern guards in anonymous functions Compiler 7.6.3 normal new Sep 18, 2013
#8347 Add a Strict LANGUAGE pragma Compiler 7.6.3 normal tibbe new Sep 23, 2013
#8353 Easy way to defer type errors GHCi 7.6.3 normal new Sep 24, 2013
#8354 Add INLINE (or at least INLINABLE) pragmas for methods of Ord in ghc-prim Core Libraries 7.6.3 normal ekmett new Sep 24, 2013
#8372 enable -dcmm-lint by default for .cmm input files Compiler 7.7 normal new Sep 27, 2013
#8404 Default to turning on architecture specific optimizations in the codegen Compiler (NCG) 7.6.3 normal new Oct 3, 2013
#8473 Generate table of cost-centre numbers with source locations Profiling 7.6.3 normal new Oct 23, 2013
#8477 Allow inferring ambiguous types Compiler (Type checker) 7.6.3 normal new Oct 25, 2013
#8494 Warn if a pattern guard obviates all others Compiler 7.6.3 normal new Nov 1, 2013
#8501 Improve error message when using rec/mdo keyword without RecursiveDo extention. Compiler (Parser) 7.6.3 normal new Nov 4, 2013
#8555 Simplify given `Coercible` constraints Compiler (Type checker) 7.7 normal new Nov 22, 2013
#8582 Record syntax for pattern synonyms Compiler normal cactus new Dec 1, 2013
#8583 Associated pattern synonyms Compiler normal new Dec 1, 2013
#8596 Add support for "reponse files" to workaround Windows command line length limitations Compiler 7.6.3 normal new Dec 5, 2013
#8605 Alternative, guard-like syntax for view patterns Compiler normal new Dec 10, 2013
#8642 Allow GHCi to print non-pretty forms of things. GHCi 7.9 normal new Dec 30, 2013
#8643 Silent name shadowing Compiler 7.4.1 normal new Dec 31, 2013
#8673 GHC could generate GADT record selectors in more cases Compiler 7.6.3 normal new Jan 17, 2014
#8679 Extend FunD data constructor with information about type signature Template Haskell 7.7 normal new Jan 18, 2014
#8685 -split-objs doesn't work for executables Driver 7.6.3 normal new Jan 20, 2014
#8697 Type rationals Compiler 7.6.3 normal new Jan 25, 2014
#8772 ghci should save history more often Core Libraries 7.6.3 normal ekmett upstream Feb 12, 2014
#8779 Exhaustiveness checks for pattern synonyms Compiler (Type checker) 7.6.3 normal new Feb 13, 2014
#8799 Orientation of given `Coercible` constraints Compiler (Type checker) 7.6.3 normal new Feb 18, 2014
#8809 Prettier error messages? Compiler 7.9 normal new Feb 20, 2014
#8812 Make *_stub.c files available again Driver 7.6.3 normal new Feb 20, 2014
#8816 Make SPARC registerised again. Compiler normal new Feb 22, 2014
#8822 Allow -- ^ Haddock syntax on record constructors Compiler (Parser) 7.9 normal new Feb 25, 2014
#8844 Pseudo terminal and process-1.2.0.0 Core Libraries 7.6.3 normal snoyberg new Mar 4, 2014
#8850 (Compositional) function mkWeakChan Core Libraries 7.6.3 normal ekmett new Mar 5, 2014
#8875 Track Exceptions Compiler normal new Mar 11, 2014
#8903 Add dead store elimination Compiler 7.9 normal new Mar 16, 2014
#8914 Remove unnecessary constraints from MonadComprehensions and ParallelListComp Compiler (Type checker) normal new Mar 19, 2014
#8924 Text.ParserCombinators.ReadP needs some kind of "commit" or "cut" to force a single parse.. Compiler 7.6.3 normal new Mar 23, 2014
#8927 Multiple case match at once Compiler (Parser) 7.8.1-rc2 normal new Mar 25, 2014
#8930 GHC API: List of available Pragmas GHC API 7.6.3 normal new Mar 26, 2014
#8944 Warn instead of stopping on misplaced Haddock comments Compiler (Parser) 7.9 normal new Mar 31, 2014
#8955 Syscall intrinsic Compiler 7.6.3 normal new Apr 4, 2014
#8967 Add syntax for creating finite maps and sets Compiler 7.6.3 normal new Apr 7, 2014
#8989 nofib should record and report more fine-grained binary size information NoFib benchmark suite 7.9 normal new Apr 12, 2014
#8996 mark more things as const in C codegen Compiler (CodeGen) 7.8.2 normal new Apr 14, 2014
#9015 A documented way to differentiate between statements, declarations, imports, etc. GHC API 7.8.2 normal new Apr 20, 2014
#9030 An async exception handler that blocks throwTo until handler finishes running Compiler 7.8.2 normal new Apr 23, 2014
#9037 Add option to make selected warnings errors Compiler 7.8.2 normal new Apr 24, 2014
#9051 Report heap profile data in eventlog Profiling 7.9 normal new Apr 29, 2014
#9052 Support a "stable heap" which doesn't get garbage collected Runtime System 7.9 normal simonmar new Apr 29, 2014
#9091 print and/or apply constraints when showing info for typed holes Compiler (Type checker) 7.8.2 normal new May 8, 2014
#9101 Need option to use system gcc and binutils on Windows/msys2 Build System 7.8.2 normal gintas new May 12, 2014
#9112 support for deriving Vector/MVector instances Compiler 7.8.2 normal new May 15, 2014
#9118 Can't eta-reduce representational coercions Compiler 7.8.2 normal new May 15, 2014
#9119 Additional symbols for XUnicodeSyntax Compiler (Parser) 7.8.2 normal infoneeded May 16, 2014
#9120 Cache intermediate powers Core Libraries 7.8.2 normal ekmett new May 16, 2014
#9137 A way to match RULES only for literals Compiler 7.8.2 normal new May 23, 2014
#9143 feature request: way to set actual program argv Runtime System 7.8.2 normal new May 25, 2014
#9180 New magic function `staticError` Compiler 7.8.2 normal nomeata new Jun 7, 2014
#9183 GHC shouldn't expand constraint synonyms Compiler 7.8.2 normal new Jun 8, 2014
#9192 Add sameByteArray# Compiler 7.8.2 normal new Jun 10, 2014
#9197 FFI types should be usable in foreign import decls without revealing representations Compiler (FFI) 7.8.2 normal new Jun 11, 2014
#9214 UNPACK support for sum types Compiler 7.8.2 normal new Jun 18, 2014
#9244 Compiler could warn about type variable shadowing, and hint about ScopedTypeVariables Compiler 7.6.3 normal new Jun 27, 2014
#9252 Generalize hs-boot files to be more like module signatures Compiler 7.8.2 normal ezyang new Jun 30, 2014
#9256 Support automatic derivation of an hs-boot file from an hs file Compiler 7.8.2 normal ezyang new Jul 1, 2014
#9259 GHCi should list its available command line options Driver normal kolmodin new Jul 3, 2014
#9269 Type families returning quantified types Compiler 7.8.2 normal new Jul 5, 2014
#9291 Don't reconstruct sum types if the type subtly changes Compiler 7.8.2 normal new Jul 10, 2014
#9319 nofib-analyze doesn’t provide per-benchmark compile time/alloc numbers NoFib benchmark suite 7.8.2 normal new Jul 16, 2014
#9321 Support for waiting on multiple MVars Runtime System 7.8.3 normal simonmar new Jul 16, 2014
#9328 MINIMAL pragma should supprt negation Compiler 7.8.3 normal new Jul 18, 2014
#9334 Implement "instance chains" Compiler (Type checker) 7.9 normal diatchki new Jul 19, 2014
#9350 Consider using xchg instead of mfence for CS stores Compiler (NCG) 7.9 normal new Jul 23, 2014
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