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Ticket Summary Status Owner Priority Milestone Component
#284 RPM doesn't support --prefix new juhp normal Build System
#989 Build GHC on Windows using Microsoft toolchain new low Build System
#7152 Add flag to configure that skips overwriting of symlinks on install new thoughtpolice normal 7.12.1 Build System
#9101 Need option to use system gcc and binutils on Windows/msys2 new gintas normal Build System
#9500 Allow GHC defaults to be modified with an environment variable new lowest Build System
#9685 GHC fails to build with mingw32-make on Windows new gintas low Build System
#2075 hpc should render information about the run in its html markup new andy@… lowest 7.12.1 Code Coverage
#436 Declare large amounts of constant data new normal Compiler
#849 Offer control over branch prediction new normal 7.12.1 Compiler
#860 CPP fails when a macro is used on a line containing a single quote character new lowest Compiler
#960 Lexical call site string new normal Compiler
#1192 GHC-only IOErrorType constructors, and is*Error(Type) functions new low Compiler
#1231 deprecation warnings are reported too often new simonpj low Compiler
#1311 newtypes of unboxed types disallowed - documentation bug and/or feature request new low Compiler
#1316 add warning for local type signatures that use the same type variable names as outer type signatures new simonpj normal Compiler
#1409 Allow recursively dependent modules transparently (without .hs-boot or anything) new normal Compiler
#1628 warning(s) for using stolen syntax that's not currently enabled new low Compiler
#1768 More flexible type signatures for data constructors new low Compiler
#1885 Improve CPR analysis new lowest 7.12.1 Compiler
#1921 change default to support extensions that involve a change of syntax new normal Compiler
#1965 Allow unconstrained existential contexts in newtypes new normal 7.12.1 Compiler
#1974 length "foo" doesn't work with -XOverloadedStrings new normal Compiler
#2101 Allow some form of type-level lemma new normal Compiler
#2119 explicitly importing deprecated symbols should elicit the deprecation warning new lowest 7.12.1 Compiler
#2135 Warn if functions are exported whose types cannot be written new lowest 7.12.1 Compiler
#2207 Load the interface details for GHC.* even without -O new normal Compiler
#2258 ghc --cleanup new VictorDenisov lowest 7.12.1 Compiler
#2269 Word type to Double or Float conversions are slower than Int conversions new dons@… lowest 7.12.1 Compiler
#2333 Emit a warning if an INLINE function is a loop breaker new lowest 7.12.1 Compiler
#2365 Warn about usage of `OPTIONS_GHC -XLanguageExtension` new lowest 7.12.1 Compiler
#2403 caching for runghc (runhaskell) new jsnx normal Compiler
#2427 Allow compilation of source from stdin new normal Compiler
#2460 provide -mwindows option like gcc new lowest 7.12.1 Compiler
#2465 Fusion of recursive functions new low Compiler
#2522 Warning for missing export lists new lowest 7.12.1 Compiler
#2551 Allow multiple modules per source file new normal Compiler
#2595 Implement record update for existential and GADT data types new normal Compiler
#2598 Avoid excessive specialisation in SpecConstr new lowest 7.12.1 Compiler
#2600 Bind type variables in RULES new simonpj lowest 7.12.1 Compiler
#2641 Revise the rules for -XExtendedDefaultRules new lowest 7.12.1 Compiler
#2867 Make a way to tell GHC that a pragma name should be "recognised" new lowest 7.12.1 Compiler
#2893 Implement "Quantified contexts" proposal new normal Compiler
#2895 Implement the "Class System Extension" proposal new normal Compiler
#2896 Warning suggestion: argument not necessarily a binary operator new low Compiler
#3085 warn about language extensions that are not used new normal 7.12.1 Compiler
#3122 Enhance --info new duncan lowest 7.12.1 Compiler
#3123 make INLINE work for recursive definitions (generalized loop peeling/loop unrolling) new lowest 7.12.1 Compiler
#3205 Generalized isomorphic deriving new normal Compiler
#3217 Make GHCi have separate flags for interactive Haskell expressions new normal 7.12.1 Compiler
#3283 Selective disabling of unused bind warnings new normal Compiler
#3314 Add compilation date to +RTS --info new lowest 7.12.1 Compiler
#3372 Allow for multiple linker instances new low 7.12.1 Compiler
#3427 control what sort of entity a deprecated pragma applies to new low 7.12.1 Compiler
#3483 Some mechanism for eliminating "absurd" patterns new low 7.12.1 Compiler
#3490 Relax superclass restrictions new normal Compiler
#3547 Improve granularity of UndecidableInstances new low 7.12.1 Compiler
#3583 Default view patterns new normal Compiler
#3619 allow to set ghc search path globally (a'la CPATH) new low 7.12.1 Compiler
#3632 lift restrictions on records with existential fields, especially in the presence of class constraints new low 7.12.1 Compiler
#3744 Comparisons against minBound/maxBound not optimised for (Int|Word)(8|16|32) new low 7.12.1 Compiler
#3895 "Fix" pervasive-but-unnecessary signedness in GHC.Prim new low 7.12.1 Compiler
#3919 Or-patterns as GHC extension new normal Compiler
#4016 Strange display behaviour in GHCi new low 7.12.1 Compiler
#4091 Parse error on curried context of instance declaration new normal Compiler
#4092 Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64# new normal 7.12.1 Compiler
#4096 New primops for indexing: index*OffAddrUsing# etc new low 7.12.1 Compiler
#4114 Add a flag to remove/delete intermediate files generated by GHC new VictorDenisov low 7.12.1 Compiler
#4370 Bring back monad comprehensions new normal Compiler
#4426 Simplify the rules for implicit quantification new highest 7.12.1 Compiler
#4442 Add unaligned version of indexWordArray# new ekmett low 7.12.1 Compiler
#4453 Allow specifying .hi files of imports on command line in batch mode new low 7.12.1 Compiler
#4466 Add extension for type application new low 7.12.1 Compiler
#4470 Loop optimization: identical counters new normal 7.12.1 Compiler
#4815 Instance constraints should be used when deriving on associated data types new low 7.12.1 Compiler
#4823 Loop strength reduction for array indexing new low 7.12.1 Compiler
#4879 Deprecate exports new high 7.12.1 Compiler
#4900 Consider usage files in the GHCi recompilation check new normal 7.12.1 Compiler
#4937 Remove indirections caused by sum types, such as Maybe new normal 7.12.1 Compiler
#4980 Warning about module abbreviation clashes new low 7.12.1 Compiler
#5059 Pragma to SPECIALISE on value arguments new low 7.12.1 Compiler
#5073 Add blockST for nested ST scopes new low 7.12.1 Compiler
#5075 CPR optimisation for sum types if only one constructor is used new simonpj normal 7.12.1 Compiler
#5082 Emit warnings when conflicting flags are supplied new low Compiler
#5171 Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement new low 7.12.1 Compiler
#5218 Add unpackCStringLen# to create Strings from string literals new thoughtpolice normal 7.12.1 Compiler
#5273 error and undefined should print a location new low 7.12.1 Compiler
#5288 Less noisy version of -fwarn-name-shadowing new low 7.12.1 Compiler
#5324 Locally-scoped RULES new normal Compiler
#5344 CSE should look through coercions new simonpj normal Compiler
#5392 Warnings about impossible MPTCs would be nice new normal 7.12.1 Compiler
#5429 Docase notation as GHC extension new tomasp normal 7.12.1 Compiler
#5556 Support pin-changing on ByteArray#s new normal 7.12.1 Compiler
#5619 Shorter qualified import statements new normal 7.12.1 Compiler
#5813 Offer a compiler warning for failable pattern matches new normal 7.12.1 Compiler
#5823 FFI and CAPI needs {-# INCLUDE #-} back? new normal 7.12.1 Compiler
#5834 Allow both INLINE and INLINABLE for the same function new normal 7.12.1 Compiler
#5835 Make better use of known dictionaries new normal 7.12.1 Compiler
#5972 option to suppress (Monomorphic) record selector functions new adamgundry normal 7.12.1 Compiler
#5985 Type operators are not accepted as variables in contexts new normal 7.12.1 Compiler
#6018 Injective type families new jstolarek normal 7.12.1 Compiler
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