{3} Feature requests by priority (509 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#9101 Need option to use system gcc and binutils on Windows/msys2 Build System 7.8.2 normal gintas new May 12, 2014
#7152 Add flag to configure that skips overwriting of symlinks on install Build System 7.4.2 normal 7.12.1 thoughtpolice new Aug 15, 2012
#284 RPM doesn't support --prefix Build System None normal minor juhp new Dec 13, 2004
#9685 GHC fails to build with mingw32-make on Windows Build System 7.9 low gintas new Oct 12, 2014
#989 Build GHC on Windows using Microsoft toolchain Build System low normal new Nov 6, 2006
#9500 Allow GHC defaults to be modified with an environment variable Build System 7.8.2 lowest new Aug 21, 2014
#2075 hpc should render information about the run in its html markup Code Coverage 6.8.2 lowest normal 7.12.1 andy@… new Feb 4, 2008
#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
#7845 RebindableSyntax should allow rebinding tuples and lists Compiler 7.7 normal new Apr 19, 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
#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
#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 kanetw 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
#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
#8372 enable -dcmm-lint by default for .cmm input files Compiler 7.7 normal new Sep 27, 2013
#8494 Warn if a pattern guard obviates all others Compiler 7.6.3 normal new Nov 1, 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
#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
#8697 Type rationals Compiler 7.6.3 normal new Jan 25, 2014
#8809 Prettier error messages? Compiler 7.9 normal new Feb 20, 2014
#8816 Make SPARC registerised again. Compiler normal new Feb 22, 2014
#8875 Track Exceptions Compiler normal new Mar 11, 2014
#8903 Add dead store elimination Compiler 7.9 normal new Mar 16, 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
#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
#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
#9112 support for deriving Vector/MVector instances Compiler 7.8.2 normal new May 15, 2014
#9137 A way to match RULES only for literals Compiler 7.8.2 normal new May 23, 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
#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
#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
#9328 MINIMAL pragma should supprt negation Compiler 7.8.3 normal new Jul 18, 2014
#9351 add ability to version symbols .c for packages with C code Compiler 7.8.3 normal new Jul 23, 2014
#9378 Make unknown LANGUAGE pragmas a warning, not an error Compiler 7.8.2 normal new Jul 29, 2014
#9429 Alternative to type family Any Compiler 7.9 normal new Aug 10, 2014
#9441 CSE should deal with letrec Compiler 7.8.2 normal new Aug 14, 2014
#9476 Implement late lambda-lifting Compiler 7.8.2 normal nfrisby new Aug 20, 2014
#9478 Partial type signatures Compiler 7.8.2 normal new Aug 20, 2014
#9499 Add -prelude-is flag Compiler 7.9 normal agibiansky new Aug 21, 2014
#9611 Suggest the cause of "No instance" errors involving multiple versions of a package Compiler 7.8.3 normal new Sep 19, 2014
#9617 Implement `quot` and `rem` using `quotRem`; implement `div` and `mod` using `divMod` Compiler 7.9 normal new Sep 19, 2014
#9637 Type level programming needs an error function Compiler 7.8.3 normal new Sep 26, 2014
#9642 LANGUAGE pragma synonyms Compiler 7.9 normal new Sep 28, 2014
#9645 Optimize range checks for primitive types Compiler 7.9 normal new Sep 29, 2014
#9659 Offer branchless conditional (CMOV) primop Compiler 7.8.3 normal new Oct 2, 2014
#9661 Branchless ==# is compiled to branchy code Compiler 7.9 normal bgamari new Oct 3, 2014
#9688 Improve the interaction between CSE and the join point transformation Compiler 7.9 normal new Oct 13, 2014
#9700 Support C structures in Haskell FFI Compiler 7.8.3 normal new Oct 16, 2014
#9702 Offer a weaker name shadowing warning Compiler 7.9 normal new Oct 18, 2014
#9731 Inductive type definitions on Nat Compiler 7.8.3 normal new Oct 27, 2014
#9789 Make GHC accept .format+lhs as extension for literate haskell files Compiler 7.9 normal merijn new Nov 11, 2014
#9790 Produce coercion rules for derived Functor instances Compiler 7.9 normal new Nov 11, 2014
#9819 Create typesafe method of obtaining dictionary types from class definitions, and constraint objects from dictionary types Compiler normal new Nov 21, 2014
#9931 Option to truncate Show output in ghci REPL Compiler 7.8.4 normal new Dec 27, 2014
#9938 GHC's link step needs to be told which packages to link Compiler 7.11 normal new Dec 29, 2014
#9948 Recommend class constraint instead of instance constraint Compiler 7.8.4 normal new Jan 1, 2015
#9952 Add -g<level> Compiler 7.8.4 normal new Jan 2, 2015
#9990 Top level module identifiers shadow imported identifiers Compiler normal new Jan 15, 2015
#9993 PostfixOperators doesn't work for types Compiler 7.8.4 normal new Jan 16, 2015
#10016 UNPACK support for existentials Compiler 7.8.4 normal new Jan 23, 2015
#10049 Lower level memcpy primop Compiler 7.8.4 normal new Jan 30, 2015
#10064 Add support for "foo"## literals to MagicHash Compiler 7.8.4 normal new Feb 4, 2015
#10076 Don't suppress warnings in the presence of errors Compiler 7.11 normal new Feb 10, 2015
#10089 feature: warn about unused data definitions (with typeclass instances) Compiler 7.8.4 normal new Feb 15, 2015
#10116 Closed type families: Warn if it doesn't handle all cases Compiler 7.8.4 normal new Feb 25, 2015
#10131 improve error message for build on noexec-mounted device Compiler 7.8.4 normal new Mar 2, 2015
#10225 GHC does not specialize based on type equality Compiler 7.10.1 normal new Apr 1, 2015
#10235 Get profiling info without stopping program Compiler 7.10.1 normal new Apr 3, 2015
#10327 Devise workaround for how infinite types prevent closed type family reduction Compiler 7.10.1 normal new Apr 20, 2015
#849 Offer control over branch prediction Compiler 6.4.2 normal normal 7.12.1 new Aug 8, 2006
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