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Ticket Summary Keywords Status Owner Type Priority
#367 Infinite loops can hang Concurrent Haskell scheduler allocation new ezyang bug lowest
#860 CPP fails when a macro is used on a line containing a single quote character cpp quote prime new feature request lowest
#2215 :disable command to disable breakpoints debugger ghci new feature request lowest
#2224 -fhpc inteferes/prevents rewrite rules from firing rules, hpc new andy@… bug lowest
#2258 ghc --cleanup newcomer new VictorDenisov feature request lowest
#2269 Word type to Double or Float conversions are slower than Int conversions rules, performance, double new dons@… feature request lowest
#2289 Needless reboxing of values when returning from a tight loop boxing, loops, performance new bug lowest
#2374 MutableByteArray# is slower than Addr# performance array new bug lowest
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported -main-is ghc new bug lowest
#2986 :info printing instances often isn't wanted :info instances new Remi feature request lowest
#2991 .tix file generation broken with -fhpc and --make flags with lhs modules hpc make lhs patch andy@… bug lowest
#3061 GHC's GC default heap growth strategy is not as good as other runtimes performance, GC new bug lowest
#3960 ghc panic when attempting to compile DPH code panic, DPH new rl bug lowest
#3632 lift restrictions on records with existential fields, especially in the presence of class constraints existential records accessor update new feature request low
#3699 Wildcards in type functions newcomer new feature request low
#3869 RTS GC Statistics from -S should be logged via the eventlog system gc, garbage collection, statistics new feature request low
#4052 Two sided sections section new feature request low
#4114 Add a flag to remove/delete intermediate files generated by GHC newcomer new VictorDenisov feature request low
#4329 GHC.Conc modifyTVar primitive TVar, STM, modifyTVar, Concurrency new ekmett feature request low
#4459 Polymorphic Data.Dynamic polymorphic, dynamic, class, linking new vivian feature request low
#4899 Non-standard compile plus Template Haskell produces spurious "unknown symbol" linker error template link prof dynamic new simonmar bug low
#4959 Warning about variables with leading underscore that are used anyway warning unused underscore variable new feature request low
#5016 Make Template Haskell: -ddump-splices generate executable code dump-splices new feature request low
#5171 Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement Cmm optimisation new feature request low
#5262 Compiling with -O makes some expressions too lazy and causes space leaks laziness, strictness, space leak new bug low
#5266 Licensing requirements and copyright notices copyright new feature request low
#5326 Polymorphic instances aren't automatically specialised specialisation new simonpj bug low
#8441 Allow family instances in an hs-boot file backpack new ezyang feature request low
#8730 Invalid Unicode Codepoints in Char unicode new ekmett bug low
#9095 make sdist picks up test files newcomer new bug low
#9261 -S prints incorrect number of bound tasks newcomer new simonmar bug low
#9385 Additions to Control.Monad report-impact infoneeded ekmett feature request low
#9392 "\n" is displayed weirdly in error messages newcomer new bug low
#9518 Improve error message for unacceptable role annotations newcomer infoneeded feature request low
#9525 +RTS -xc stack trace sometimes reported twice profiling, stack trace, error new osa1 bug low
#9723 Give Tab warning only once per file newcomer new feature request low
#9940 GHCi crashes when I hold down control-c for a short time, and then hold down any key that would normally result in typing. crash, control-c new bug low
#393 functions without implementations newcomer new simonpj feature request normal
#728 switch to compacting collection when swapping occurs compacting new feature request normal
#1147 Quadratic behaviour in the compacting GC ghci compacting new bug normal
#1262 RecursiveDo in Template Haskell newcomer new feature request normal
#1409 Allow recursively dependent modules transparently (without .hs-boot or anything) backpack new feature request normal
#2200 big static random access arrays static array new ekmett feature request normal
#2725 Remove Hack in compiler/nativeGen/MachCodeGen.hs codegen new thoughtpolice bug normal
#2742 The -> in ViewPatterns binds more weakly than infix data constructors. newcomer new feature request normal
#3283 Selective disabling of unused bind warnings newcomer new feature request normal
#3511 port GHC to OpenBSD/sparc64 (unregisterised is fine) port sparc64 new task normal
#3541 Allow local foreign imports newcomer new feature request normal
#3601 When running two or more instances of GHCi, persistent history is only kept for the first one ghci history new feature request normal
#3676 realToFrac doesn't sanely convert between floating types report-impact new ekmett bug normal
#3769 Add manpages for programs installed alongside ghc manpage documentation manpages new feature request normal
#3995 Comment delimiters ignored inside compiler pragma pragma comment new bug normal
#4139 Spurious non-exhaustive pattern match warnings are given using GADTs GADTs, warnings, pattern matching new bug normal
#5108 Allow unicode sub/superscript symbols in both identifiers and operators lexer unicode infoneeded feature request normal
#5239 Em-dash for "--" with UnicodeSyntax. unicode syntax extension new feature request normal
#5278 System.Random.randomIvalInteger makes invalid assumptions about RandomGen incorrect assumption new ekmett bug normal
#5344 CSE should look through coercions cse new simonpj feature request normal
#5429 Docase notation as GHC extension monad, syntactic sugar, mzip, comprehensions new tomasp feature request normal
#5666 Can't use writeFile to write unicode characters. unicode writeFile infoneeded ekmett bug normal
#5850 Greater customization of GHCi prompt newcomer patch jlengyel feature request normal
#5972 option to suppress (Monomorphic) record selector functions records new adamgundry feature request normal
#6018 Injective type families TypeFamilies, Injective new jstolarek feature request normal
#6065 Suggested type signature causes a type error (even though it appears correct) type signature typeclass instance forall new bug normal
#7300 Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC unsafe caf gc new feature request normal
#7401 Can't derive instance for Eq when datatype has no constructor, while it is trivial do do so. deriving, newcomer new monoidal feature request normal
#7414 plugins always trigger recompilation plugin, recompilation new feature request normal
#7608 LLVM only handles a hard-coded list of triples. cross-compiling llvm new task normal
#7621 Cross-build for QNX ARM smashes stack when using FunPtr wrappers qnx unregisterised cross-compile infoneeded bug normal
#7624 Handling ImplicitParams in Instance Declaration ImplicitParams new bug normal
#7669 Empty case causes warning EmptyCase new bug normal
#7672 boot file entities are sometimes invisible and are not (semantically) unified with corresponding entities in implementing module backpack new bug normal
#7789 GHCI core dumps when used with VTY core dump new bug normal
#7952 Can cost-centre annotations be included in -ddump-simpl? Core new feature request normal
#8029 batch-mode recompilation checking sometimes fails recompilation, batch-mode new bug normal
#8048 Register spilling produces ineffecient/highly contending code register allocator spill new bug normal
#8109 Type family patterns should support as-patterns. newcomer new feature request normal
#8144 Interface hashes include time stamp of dependent files (UsageFile mtime) testcase infoneeded bug normal
#8147 Exponential behavior in instance resolution on fixpoint-of-sum performance, new bug normal
#8206 Add support for Portable Native Client NaCl PNaCl Portable Native Client pexe new Alex Sayers feature request normal
#8272 testing if SpLim=$rbp and Sp=$rsp changed performance at all callingConvention new carter task normal
#8308 Resurrect ticky code for counting constructor arity newcomer new mlen task normal
#8353 Easy way to defer type errors newcomer new feature request normal
#8354 Add INLINE (or at least INLINABLE) pragmas for methods of Ord in ghc-prim ghc-prim new ekmett feature request normal
#8586 internal error: evacuate(static): strange closure type 5189 crash new bug normal
#8591 Concurrent executions of ghc-pkg can cause inconstant package.cache files ghc-pkg race new pgj bug normal
#8645 Improper response from GHCI terminal after importing Gnuplot package ghci, gnuplot infoneeded bug normal
#8721 Testsuite not reporting errors for DYN way on OS X dynamic linking new bug normal
#8746 Crosscompiling Crosscompile cross compile failed ncurses setupterm not found new bug normal
#8811 Profiling output jumbled together newcomer new bug normal
#8927 Multiple case match at once case, multiple new feature request normal
#8947 Depending on hint/ghc API fixes the binary version I can use backpack new bug normal
#8981 ghc-pkg complains about missing haddock interface files ghc-pkg new bug normal
#9022 TH pretty printer and GHC parser semicolon placement mismatch newcomer new bug normal
#9034 GHCi panics when given C++ object file on GNU/Linux panic, dynamic linking new bug normal
#9119 Additional symbols for XUnicodeSyntax unicode infoneeded feature request normal
#9122 Make Lint check for bad uses of `unsafeCoerce` newcomer new qnikst bug normal
#9176 GHC not generating dyn_hi files dynamic new bug normal
#9202 Strange Closure Type strange-closure-type new bug normal
#9251 ghc does not expose branchless max/min operations as primops newcomer new task normal
#9252 Generalize hs-boot files to be more like module signatures backpack new ezyang feature request normal
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