{1} Bugs by priority (945 matches)

Lists all open bugs in order of priority.

Results (101 - 200 of 945)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#1168 Optimisation sometimes decreases sharing in IO code Compiler 6.6 normal normal new Feb 23, 2007
#1171 GHC doesn't respect the imprecise exceptions semantics Compiler 6.6 low normal new Feb 24, 2007
#1158 Problem with GADTs and explicit type signatures Compiler 6.6 lowest normal simonpj new Feb 20, 2007
#1466 Stack check for AP_STACK Compiler 6.6.1 normal normal 7.12.1 simonmar new Jun 28, 2007
#1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient Compiler 6.6.1 normal normal 7.12.1 new Jul 18, 2007
#1687 A faster (^)-function. Prelude 6.6.1 normal normal new Sep 12, 2007
#1498 Optimisation: eliminate unnecessary heap check in recursive function Compiler 6.6.1 low normal 7.12.1 new Jul 6, 2007
#1693 Make distclean (still) doesn't Build System 6.6.1 lowest normal 7.12.1 new Sep 14, 2007
#1727 Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression Compiler (Parser) 6.6.1 lowest minor 7.12.1 new Sep 22, 2007
#1883 GHC can't find library using "short" name Compiler 6.6.1 lowest normal 7.12.1 new Nov 13, 2007
#1612 GHC_PACKAGE_PATH and $topdir bug Package system 6.6.1 lowest normal new Aug 12, 2007
#1290 ghc runs preprocessor too much Driver 6.7 normal normal 7.12.1 new Apr 26, 2007
#1308 Type signature in warning is wrong Compiler (Type checker) 6.7 normal normal new Apr 27, 2007
#1400 :set +r doesn't work for interpreted modules GHCi 6.7 normal normal simonmar new May 31, 2007
#1526 -fobject-code doesn't apply to expressions typed at the prompt Compiler 6.7 normal normal new Jul 12, 2007
#1530 debugging :steps inside TH spliced code need to be bypassed GHCi 6.7 normal normal new Jul 13, 2007
#1614 Type checker does not use functional dependency to avoid ambiguity Compiler (Type checker) 6.7 normal normal new Aug 14, 2007
#1330 Impredicativity bug: Church2 test gives a rather confusing error with the HEAD Compiler (Type checker) 6.7 lowest normal 7.12.1 simonpj new May 5, 2007
#1831 reify never provides the declaration of variables Template Haskell 6.8.1 normal normal new Nov 4, 2007
#1928 Confusing type error message Compiler (Type checker) 6.8.1 low normal new Nov 25, 2007
#1853 hpc mix files for Main modules overwrite each other Code Coverage 6.8.1 lowest normal 7.12.1 AndyGill new Nov 8, 2007
#2028 STM slightly conservative on write-only transactions Compiler 6.8.1 lowest normal 7.12.1 new Jan 9, 2008
#2189 hSetBuffering stdin NoBuffering doesn't work on Windows Core Libraries 6.8.2 normal normal 7.12.1 new Mar 31, 2008
#1057 Implicit parameters on breakpoints GHCi 6.8.2 normal normal new Dec 18, 2006
#2031 relocation overflow Compiler 6.8.2 normal normal new Jan 10, 2008
#2057 inconsistent .hi file error gets ignored Compiler 6.8.2 normal normal new Jan 19, 2008
#2132 Optimise nested comparisons Compiler 6.8.2 normal normal new Feb 28, 2008
#2255 Improve SpecConstr for free variables Compiler 6.8.2 normal normal new May 1, 2008
#1012 ghc panic with mutually recursive modules and template haskell Template Haskell 6.8.2 lowest normal 7.12.1 new Nov 19, 2006
#2064 problems with duplicate modules Package system 6.8.2 lowest normal 7.12.1 new Jan 25, 2008
#2140 cpuTimePrecision is wrong for me on Windows (XP) Core Libraries 6.8.2 lowest normal 7.12.1 ekmett new Mar 6, 2008
#2147 unhelpful error message for a misplaced DEPRECATED pragma Compiler 6.8.2 lowest minor 7.12.1 new Mar 11, 2008
#2159 Use a more efficient representation than [DynFlag] Compiler 6.8.2 lowest normal 7.12.1 new Mar 15, 2008
#2224 -fhpc inteferes/prevents rewrite rules from firing Code Coverage 6.8.2 lowest normal 7.12.1 andy@… new Apr 17, 2008
#2256 Incompleteness of type inference: must quantify over implication constraints Compiler (Type checker) 6.8.2 lowest normal 7.12.1 simonpj new May 1, 2008
#2260 Non-ideal error message for misplaced LANGUAGE pragma Compiler (Parser) 6.8.2 lowest trivial 7.12.1 new May 3, 2008
#2289 Needless reboxing of values when returning from a tight loop Compiler 6.8.2 lowest normal 7.12.1 new May 17, 2008
#2346 Compilation of large source files requires a lot of RAM Compiler 6.8.2 lowest major 7.12.1 new Jun 5, 2008
#2374 MutableByteArray# is slower than Addr# Compiler (NCG) 6.8.2 lowest minor 7.12.1 new Jun 18, 2008
#2387 Optimizer misses unboxing opportunity Compiler 6.8.2 lowest minor 7.12.1 new Jun 19, 2008
#2459 can't link haskell without "main" function, or -no-hs-main broken on windows? Driver 6.8.2 lowest normal 7.12.1 new Jul 21, 2008
#2496 Invalid Eq/Ord instances in Data.Version Core Libraries 6.8.3 normal normal 7.12.1 new Aug 7, 2008
#2607 Inlining defeats selector thunk optimisation Compiler 6.8.3 normal normal new Sep 18, 2008
#2786 Blackhole loops are not detected and reported in GHCi GHCi 6.8.3 normal normal new Nov 17, 2008
#2401 aborting an STM transaction should throw an exception Runtime System 6.8.3 low normal 7.12.1 new Jun 28, 2008
#2356 GHC accepts multiple instances for the same type in different modules Compiler 6.8.3 low normal new Jun 10, 2008
#2625 Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields Compiler 6.8.3 low normal new Sep 24, 2008
#2642 Improve SpecConstr for join points Compiler 6.8.3 lowest normal 7.12.1 new Oct 2, 2008
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported Compiler 6.8.3 lowest normal 7.12.1 infoneeded Oct 19, 2008
#2731 Avoid unnecessary evaluation when unpacking constructors Compiler 6.8.3 lowest normal 7.12.1 new Oct 30, 2008
#2273 inlining defeats seq Compiler 6.9 lowest normal 7.12.1 new May 8, 2008
#2370 num009 fails on OS X 10.5? Compiler 6.9 lowest normal 7.12.1 new Jun 17, 2008
#2439 Missed optimisation with dictionaries and loops Compiler 6.9 lowest normal 7.12.1 simonpj new Jul 11, 2008
#4505 Segmentation fault on long input (list of pairs) Compiler 7.0.1 high 7.12.1 bgamari new Nov 17, 2010
#4945 Another SpecConstr infelicity Compiler 7.0.1 high 7.12.1 new Feb 3, 2011
#4824 Windows: Dynamic linking doesn't work out-of-the-box Runtime System 7.0.1 low 7.12.1 new Dec 8, 2010
#4831 Too many specialisations in SpecConstr Data Parallel Haskell 7.0.1 low 7.12.1 rl new Dec 10, 2010
#4833 Finding the right loop breaker Compiler 7.0.1 low 7.12.1 new Dec 10, 2010
#4836 literate markdown not handled correctly by unlit Compiler 7.0.1 low 7.12.1 new Dec 12, 2010
#4837 Template Haskell does not work in a profiled compiler. Profiling 7.0.1 low 7.12.1 new Dec 13, 2010
#4899 Non-standard compile plus Template Haskell produces spurious "unknown symbol" linker error Compiler 7.0.1 low 7.12.1 simonmar new Jan 18, 2011
#4931 hsc2hs emits invalid OPTIONS_GHC pragmas hsc2hs 7.0.1 low 7.12.1 terrelln new Jan 29, 2011
#4861 Documentation for base does not include special items Core Libraries 7.0.1 low ekmett upstream Dec 24, 2010
#4863 TH crashes if you reify the Name of a dfun Template Haskell 7.0.1 low simonpj new Dec 26, 2010
#5051 Typechecker behaviour change Compiler (Type checker) 7.0.2 normal new Mar 26, 2011
#5251 copyFile does not copy metadata Core Libraries 7.0.2 low 7.12.1 ekmett new Jun 10, 2011
#5041 Incorrect Read deriving for MagicHash constructors Compiler 7.0.2 low new Mar 23, 2011
#5289 Can't use ghci with a library linked against libstdc++ GHCi 7.0.3 normal 7.12.1 new Jun 29, 2011
#5071 GHCi crashes on large alloca/allocaBytes requests Compiler 7.0.3 normal new Mar 31, 2011
#5448 GHC stuck in infinite loop compiling with optimizations Compiler 7.0.3 normal new Aug 31, 2011
#5355 Link plugins against existing libHSghc Compiler 7.0.3 normal new Jul 29, 2011
#3990 UNPACK doesn't unbox data families Compiler 7.0.3 low 7.12.1 new Apr 14, 2010
#5063 unix package has untracked dependency on libbsd Core Libraries 7.0.3 low 7.12.1 trommler new Mar 29, 2011
#5142 stub header files don't work with the MS C compiler Compiler 7.0.3 low 7.12.1 simonmar new Apr 20, 2011
#5224 Improve consistency checking for family instances Compiler 7.0.3 low 7.12.1 simonpj new May 26, 2011
#5267 Missing type checks for arrow command combinators Compiler (Type checker) 7.0.3 low 7.12.1 ross new Jun 22, 2011
#5291 GhcDynamic build fails on Windows: can't find DLLs Build System 7.0.3 low 7.12.1 new Jul 1, 2011
#5298 Inlined functions aren't fully specialised Compiler 7.0.3 low 7.12.1 new Jul 4, 2011
#5302 Unused arguments in join points Compiler 7.0.3 low 7.12.1 simonpj new Jul 5, 2011
#5305 crash after writing around 40 gigabytes to stdout Compiler 7.0.3 low 7.12.1 infoneeded Jul 6, 2011
#5326 Polymorphic instances aren't automatically specialised Compiler 7.0.3 low 7.12.1 simonpj new Jul 15, 2011
#5369 Reinstate VECTORISE pragmas with expressions as right-hand sides Data Parallel Haskell 7.0.4 normal 7.12.1 chak new Aug 2, 2011
#6132 Can't use both shebang line and #ifdef declarations in the same file. Compiler 7.0.4 normal 7.12.1 new May 29, 2012
#5400 GHC loops on compiling with optimizations Compiler 7.0.4 normal new Aug 10, 2011
#10555 RULE left-hand side too complicated to desugar Compiler 7.0.4 low new Jun 21, 2015
#5376 Quotation in System.Process.system for Windows Core Libraries 7.0.4 low 7.12.1 snoyberg new Aug 4, 2011
#8258 GHC accepts `data Foo where` in H2010 mode Compiler 7.0.4 low 7.12.1 new Sep 9, 2013
#4451 Re-linking avoidance is too aggressive Compiler 7.1 normal 7.12.1 new Oct 29, 2010
#5320 check_overlap panic (7.1 regression) Compiler (Type checker) 7.1 normal 7.12.1 simonpj new Jul 13, 2011
#4413 (^^) is not correct for Double and Float Core Libraries 7.1 low 7.12.1 tcsavage new Oct 18, 2010
#5262 Compiling with -O makes some expressions too lazy and causes space leaks Compiler 7.1 low 7.12.1 new Jun 16, 2011
#10487 DeriveGeneric breaks when the same data name is used in different modules Compiler 7.10.1 highest 7.12.1 osa1 new Jun 4, 2015
#10510 Testsuite driver does not run tests in parallel on Windows Test Suite 7.10.1 high new Jun 11, 2015
#10571 GHC 7.10.1 segfaults when shiftL-ing Integers by negative amounts Compiler 7.10.1 high new Jun 26, 2015
#10375 arm: ghci hits an illegal instruction GHCi 7.10.1 high 7.10.3 new May 4, 2015
#10438 GHC 7.10.1 panic due to PartialTypeSignatures, TypeFamilies, and local bindings Compiler 7.10.1 high 7.10.3 merge May 22, 2015
#10458 GHCi fails to load shared object (the 'impossible' happened) GHCi 7.10.1 high 7.10.3 new May 28, 2015
#10516 PolyKinds results in incorrect reporting of type synonym parameter count Compiler 7.10.1 high 7.10.3 merge Jun 13, 2015
#10672 checkProddableBlock crash during Template Haskell linking Compiler 7.10.1 high 7.10.3 new Jul 23, 2015
#10747 Infix pattern synonyms fail to parse (regression) Compiler 7.10.1 high new Aug 6, 2015
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