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Ticket Summary Status Owner Priority Milestone Component
#9985 GHC panic with ViewPatterns and GADTs in a proc pattern new normal Compiler
#9991 runghc shows the value produced by main when its type is a non-() Show instance new normal Compiler
#9992 Constructor specialization requires eta expansion new normal Compiler
#10001 GHC crash trying to build a project within Nix-shell new normal Compiler
#10005 Operations on string literals won't be inlined new normal Compiler
#10012 Cheap-to-compute values aren't pushed into case branches inducing unnecessary register pressure new normal Compiler
#10027 Importing constructor of associated data type fails new normal Compiler
#10029 ARM: internal error: evacuate(static): strange closure type 62744 new normal Compiler
#10042 progain 350 overview new lowest Compiler
#10044 Wrong line number reported with CPP and line beginning with # new low Compiler
#10045 type holes related ghc panic new thomasw normal Compiler
#10052 Panic (something to do with floatExpr?) new simonmar high 7.10.1 Compiler
#10068 Make the runtime reflection API for names, modules, locations more systematic new high 7.12.1 Compiler
#10069 CPR related performance issue new normal Compiler
#10075 Muddling Constraint and * means that Core is inconsistent new normal Compiler
#10083 ghc: panic! (the 'impossible' happened) infoneeded normal Compiler
#10097 GHC 7.11 errors on dictionary casting tricks new normal Compiler
#10098 Refactor wild card renaming new thomasw normal 7.12.1 Compiler
#10100 Bogus "redundant constraint" warning with functional dependencies merge simonpj normal 7.10.1 Compiler
#10105 ghc panic Simplifier ticks exhausted when trying UnfoldingDone x_alB new normal Compiler
#10106 GHC doesn't warn on typos in language pragmas new normal Compiler
#10108 Dramatic slowdown with -O2 bytestream and list streams combined. new normal 7.10.2 Compiler
#10109 Kinds aren't checked in the coverage condition new normal Compiler
#10114 Kind mismatches with AnyK in rank-2 types new normal Compiler
#10115 Unable to run cabal haddock --hoogle on GHC 7.10 new highest 7.10.1 Compiler
#10117 Change the scheme for reporting redundant imports new normal Compiler
#10120 Unnecessary code duplication from case analysis new normal Compiler
#10124 Simple case analyses generate too many branches new normal Compiler
#10127 There is no ghc-7.8.4 for 32 bit Windows new normal Compiler
#10132 Inconsistent kind polymorphism for top-level and associated type families new normal Compiler
#10133 Problemlösung pur- durch advana tone abnehmen new lowest Compiler
#10134 Pattern Matching Causes Infinite Type Error new normal Compiler
#8048 Register spilling produces ineffecient/highly contending code new normal Compiler (CodeGen)
#8327 Cmm sinking does not eliminate dead code in loops new normal Compiler (CodeGen)
#8336 Sinking pass could optimize some assignments better new normal Compiler (CodeGen)
#8871 No-op assignment I64[BaseReg + 784] = I64[BaseReg + 784]; is generated into optimized Cmm new normal Compiler (CodeGen)
#8887 Double double assignment in optimized Cmm on SPARC new normal Compiler (CodeGen)
#8905 Function arguments are always spilled/reloaded if scrutinee is already in WHNF new normal Compiler (CodeGen)
#8949 switch -msse2 to be on by default new normal Compiler (CodeGen)
#9125 int-to-float conversion broken on ARM infoneeded high 7.12.1 Compiler (CodeGen)
#9660 unnecessary indirect jump when returning a case scrutinee new normal Compiler (CodeGen)
#9886 PowerPC : Undefined reference to `__sync_fetch_and_xor_8' new erikd normal Compiler (CodeGen)
#10062 Codegen on sequential FFI calls is not very good new normal Compiler (CodeGen)
#2926 Foreign exported function returns wrong type new low Compiler (FFI)
#3238 CInt FFI exports do not use C int in _stub.h header file new lowest 7.12.1 Compiler (FFI)
#3971 FFI callback segfaults on PPC new normal Compiler (FFI)
#4105 ffi005 fails on OS X new low 7.12.1 Compiler (FFI)
#7621 Cross-build for QNX ARM smashes stack when using FunPtr wrappers infoneeded normal 7.12.1 Compiler (FFI)
#4308 LLVM compiles Updates.cmm badly new low 7.12.1 Compiler (LLVM)
#5786 Dynanmic way fails when GHC built with LLVM backend new dterei normal 7.12.1 Compiler (LLVM)
#7297 LLVM incorrectly hoisting loads new dterei normal 7.12.1 Compiler (LLVM)
#7610 Cross compilation support for LLVM backend new normal 7.12.1 Compiler (LLVM)
#8974 64 bit windows executable built with ghc-7.9.20140405+LLVM segfaults infoneeded high 7.12.1 Compiler (LLVM)
#9308 nofib fannkuch-redux runs perpetually with -fllvm new normal Compiler (LLVM)
#9439 LlvmCodegen: Overzealous mangler incorrectly transforms user code merge highest 7.8.4 Compiler (LLVM)
#9504 LLVM backend TBAA is too aggressive new normal Compiler (LLVM)
#9555 internal error: ARR_WORDS object entered! new normal Compiler (LLVM)
#9929 New alias handling not compatible with LLVM 3.4 new high 7.10.1 Compiler (LLVM)
#10010 LLVM/optimized code for sqrt incorrect for negative values new normal Compiler (LLVM)
#2374 MutableByteArray# is slower than Addr# new lowest 7.12.1 Compiler (NCG)
#2725 Remove Hack in compiler/nativeGen/MachCodeGen.hs new thoughtpolice normal 7.12.1 Compiler (NCG)
#7063 Register allocators can't handle non-uniform register sets new benl normal 7.12.1 Compiler (NCG)
#7679 Regression in -fregs-graph performance new high 7.12.1 Compiler (NCG)
#8082 Ordering of assembly blocks affects performance new normal Compiler (NCG)
#8195 Different floating point results with -msse2 on 32bit Linux new low Compiler (NCG)
#8657 -fregs-graph still has a limit on spill slots new archblob normal 7.12.1 Compiler (NCG)
#8847 Int64 ^ Int64 broken by optimization on SPARC new normal Compiler (NCG)
#8922 GHC unnecessarily sign/zero-extends C call arguments new normal 7.12.1 Compiler (NCG)
#8971 Native Code Generator for 7.8 is not as optimized as 7.6.3... new normal 7.12.1 Compiler (NCG)
#9041 NCG generates slow loop code new normal Compiler (NCG)
#9307 LLVM vs NCG: floating point numbers close to zero have different sign new low 7.12.1 Compiler (NCG)
#9577 String literals are wasting space new xnyhps low Compiler (NCG)
#9862 defined but not used errors on Solaris/SPARC new normal Compiler (NCG)
#314 #line pragmas not respected inside nested comments new high 7.12.1 Compiler (Parser)
#1087 bang patterns with infix ops new normal Compiler (Parser)
#1727 Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression new lowest 7.12.1 Compiler (Parser)
#2260 Non-ideal error message for misplaced LANGUAGE pragma new lowest 7.12.1 Compiler (Parser)
#3766 Parsing of lambdas is not consistent with Haskell'98 report. new low 7.12.1 Compiler (Parser)
#3881 section parse errors, e.g. ( let x=1 in x + ) new low 7.12.1 Compiler (Parser)
#3995 Comment delimiters ignored inside compiler pragma new normal Compiler (Parser)
#4043 Parsing of guards, and type signatures new normal Compiler (Parser)
#4150 CPP+QuasiQuotes confuses compilation errors' line numbers new low 7.12.1 Compiler (Parser)
#5333 Arrow command combinators and infixr cause the desugarer to fail new ross low 7.12.1 Compiler (Parser)
#6034 Parse error when using ' with promoted kinds new low Compiler (Parser)
#8708 Kind annotation in tuple not parsed new normal Compiler (Parser)
#9225 Missing syntax error for package qualified import with version number new ezyang normal Compiler (Parser)
#9573 Add warning for invalid digits in integer literals new vlopez normal 7.12.1 Compiler (Parser)
#9947 Unicode «other number» characters not consistently accepted in identifiers new normal Compiler (Parser)
#9978 DEBUG is always replaced as 1 when CPP pragma is on new normal Compiler (Parser)
#10056 Inconsistent precedence of ~ new normal Compiler (Parser)
#344 arrow notation: incorrect scope of existential dictionaries new ross lowest 7.12.1 Compiler (Type checker)
#345 GADT - fundep interaction new simonpj low Compiler (Type checker)
#589 Various poor type error messages new low Compiler (Type checker)
#816 Weird fundep behavior (with -fallow-undecidable-instances) new normal Compiler (Type checker)
#1330 Impredicativity bug: Church2 test gives a rather confusing error with the HEAD new simonpj lowest 7.12.1 Compiler (Type checker)
#1614 Type checker does not use functional dependency to avoid ambiguity new normal Compiler (Type checker)
#1928 Confusing type error message new low Compiler (Type checker)
#2256 Incompleteness of type inference: must quantify over implication constraints new simonpj lowest 7.12.1 Compiler (Type checker)
#5051 Typechecker behaviour change new normal Compiler (Type checker)
#5267 Missing type checks for arrow command combinators new ross low 7.12.1 Compiler (Type checker)
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