{1} Bugs by priority (1160 matches)

Lists all open bugs in order of priority.

Results (201 - 300 of 1160)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#9821 DeriveAnyClass support for higher-kinded classes + some more comments Compiler 7.9 normal dreixel infoneeded Nov 21, 2014
#12439 DeriveDataTypeable - deriving Data for several type constructor applications Compiler 8.0.1 normal new Jul 26, 2016
#12438 DeriveDataTypeable - deriving instance Data (Mu (Const ())) Compiler 8.0.1 normal new Jul 26, 2016
#12399 DeriveFunctor fail Compiler (Type checker) 8.1 normal 8.0.2 merge Jul 16, 2016
#1544 Derived Read instances for recursive datatypes with infix constructors are too inefficient Compiler 6.6.1 normal normal new Jul 18, 2007
#5642 Deriving Generic of a big type takes a long time and lots of space Compiler 7.3 normal bgamari merge Nov 17, 2011
#10980 Deriving Read instance from datatype with N fields leads to N^2 code size growth Compiler 7.10.2 normal new Oct 16, 2015
#8740 Deriving instance conditionally compiles Compiler (Type checker) 7.6.3 normal new Feb 5, 2014
#9557 Deriving instances is slow Compiler 7.8.3 normal new Sep 6, 2014
#8195 Different floating point results with -msse2 on 32bit Linux Compiler (NCG) 7.7 low new Aug 29, 2013
#11008 Difficulties around inferring exotic contexts Compiler 7.10.2 normal new Oct 22, 2015
#2940 Do CSE after CorePrep Compiler 6.10.1 lowest normal simonpj new Jan 12, 2009
#9655 Do not UNPACK strict fields that are very wide Compiler 7.8.3 normal new Oct 1, 2014
#11306 Do not generate warning in `do` when result is of type `Void`. Compiler 7.10.3 normal infoneeded Dec 28, 2015
#9247 Document -XDatatypeContexts in flag reference Documentation 7.9 low goldfire new Jun 29, 2014
#9248 Document -XHaskell98 and -XHaskell2010 in flag reference Documentation 7.9 normal goldfire new Jun 29, 2014
#2776 Document -pgmL (Use cmd as the literate pre-processor) Documentation 6.10.1 lowest minor new Nov 13, 2008
#11968 Document AMP in the deviations from the standard Documentation 8.1 normal new Apr 22, 2016
#11650 Documentation does not mention that default definitions for Alternative(some, many) can easily blow up Documentation 7.10.3 normal new Feb 26, 2016
#5466 Documentation for Chan could be better Core Libraries 7.2.1 normal new Sep 7, 2011
#4861 Documentation for base does not include special items Core Libraries 7.0.1 low upstream Dec 24, 2010
#11691 Documentation indicates RelaxedPolyRec is optional Documentation 8.0.1-rc2 normal 8.0.2 new Mar 9, 2016
#12388 Don't barf on failures in the RTS linker Runtime System (Linker) 8.0.1 normal 8.2.1 new Jul 13, 2016
#11437 Don't put static (version-based) feature gates in compilerInfo Compiler 7.11 normal new Jan 15, 2016
#8887 Double double assignment in optimized Cmm on SPARC Compiler (CodeGen) 7.9 normal new Mar 13, 2014
#3081 Double output after Ctrl+C on Windows Runtime System 6.10.1 normal normal new Mar 9, 2009
#11677 Dramatic de-optimization with "-O", "-O1", "-O2" options Compiler 7.10.3 normal new Mar 5, 2016
#11253 Duplicate warnings for pattern guards and relevant features (e.g. View Patterns) Compiler 7.11 normal gkaracha new Dec 18, 2015
#10355 Dynamic linker not initialised Runtime System (Linker) 7.10.1 normal infoneeded Apr 25, 2015
#5620 Dynamic linking and threading does not work on Windows Compiler (Linking) 7.2.1 normal new Nov 10, 2011
#5786 Dynanmic way fails when GHC built with LLVM backend Compiler (LLVM) 7.4.1-rc1 normal dterei new Jan 17, 2012
#9314 Each object file in a static archive file (.a) is loaded into its own mmap()ed page Runtime System 7.8.3 high 8.2.1 new Jul 14, 2014
#12231 Eliminate redundant heap allocations/deallocations Compiler (CodeGen) 8.0.1 normal new Jun 25, 2016
#9547 Empty constraint tuples are mis-kinded Compiler (Type checker) 7.8.2 normal new Sep 3, 2014
#11126 Entered absent arg in a Repa program Compiler 7.10.2 high 8.0.2 new Nov 23, 2015
#12018 Equality constraint not available in pattern type signature (GADTs/ScopedTypeVariables) Compiler (Type checker) 7.10.3 lowest new May 6, 2016
#10684 Error cascade when unrelated class derivation fails Compiler (Type checker) 7.11 low new Jul 24, 2015
#11976 Error message mentions impredicative polymorphism Compiler 7.10.3 normal 8.0.2 merge Apr 23, 2016
#9672 Error message too long (full case statement printed) Compiler (Type checker) 7.8.3 normal new Oct 9, 2014
#12371 Error message, room for improvement Compiler 8.0.1 normal merge Jul 7, 2016
#7461 Error messages about "do" statements contain false information Compiler (Type checker) 7.6.1 normal new Nov 30, 2012
#7849 Error on pattern matching of an existential whose context includes a type function Compiler (Type checker) 7.4.2 normal new Apr 20, 2013
#11384 Error says to fix incorrect return type Compiler 7.6.3 normal new Jan 8, 2016
#11282 Error warns about non-injectivity of injective type family Compiler 7.11 normal new Dec 24, 2015
#9813 Error when reifying type constructor Template Haskell 7.8.3 normal new Nov 19, 2014
#10167 Error with dash character Compiler 7.8.3 normal new Mar 17, 2015
#11009 Errors reading stdin on Windows libraries/base 7.10.2 normal new Oct 23, 2015
#7259 Eta expansion of products in System FC Compiler 7.6.1 normal simonpj new Sep 21, 2012
#11131 Eta reduction/expansion loop Compiler 7.10.2 normal new Nov 25, 2015
#11435 Evidence from TC Plugin triggers core-lint warning Compiler 7.10.2 normal new Jan 15, 2016
#4144 Exception: ToDo: hGetBuf - when using custom handle infrastructure Core Libraries 7.6.1 high 8.2.1 new Jun 21, 2010
#7411 Exceptions are optimized away in certain situations Compiler 7.6.1 high 8.0.2 new Nov 13, 2012
#10436 Excessive numbers of packages loaded for TH Compiler 7.10.1 normal patch May 20, 2015
#9059 Excessive space usage while generating code for fractional literals with big exponents Compiler 7.8.2 normal new Apr 30, 2014
#8224 Excessive system time -- new IO manager problem? Runtime System 7.7 high 8.2.1 new Sep 4, 2013
#10995 Existentials in newtypes Compiler (Type checker) 7.10.2 normal new Oct 21, 2015
#11101 Expand Template Haskell type splices before quantification Compiler 7.10.2 normal new Nov 17, 2015
#8147 Exponential behavior in instance resolution on fixpoint-of-sum Compiler 7.6.3 normal new Aug 21, 2013
#11602 Exponential behaviour in typeKind, unifyTys etc Compiler 7.10.3 normal new Feb 18, 2016
#12398 Expose 'withCleanupSession' as a replacement for 'defaultCleanupHandler' Compiler 8.0.1 normal 8.0.2 new Jul 15, 2016
#5840 Extend the supported environment sizes of vectorised closures Data Parallel Haskell 7.4.1 normal chak infoneeded Feb 2, 2012
#12075 Fails to build on powerpcspe because of inline assembly Compiler (NCG) 8.0.1 normal 8.2.1 infoneeded May 16, 2016
#12176 Failure of bidirectional type inference at the kind level Compiler 8.0.1 normal goldfire new Jun 10, 2016
#12135 Failure to recompile when #include file is created earlier on include path Driver 8.0.1 normal new May 30, 2016
#12415 Fancy BinIface encoding for tuples is broken for constraint tuples Compiler 8.0.1 normal new Jul 20, 2016
#8362 Filesystem related tests failed on solaris (SmartOS) Core Libraries 7.6.3 normal new Sep 26, 2013
#4833 Finding the right loop breaker Compiler 7.0.1 low new Dec 10, 2010
#11578 Fix GHC on AArch64/Arm64 Compiler 8.1 normal 8.2.1 new Feb 15, 2016
#10007 Fix misattribution of Cost Centre profiles to lintAnnots Profiling 7.10.1-rc1 high 8.2.1 scpmw new Jan 19, 2015
#10816 Fixity declaration for associated type rejected Compiler 7.10.2 normal new Aug 31, 2015
#11789 Flag suggestion does not always work Driver 8.0.1 normal new Apr 4, 2016
#12121 FlexibleContexts is under specified Documentation 8.0.1 normal thomie new May 26, 2016
#10440 Float out just gets floated in Compiler 7.10.1 normal new May 22, 2015
#10698 Forall'd variable ‘$rcobox’ is not bound in RULE lhs Compiler 7.11 normal new Jul 28, 2015
#2926 Foreign exported function returns wrong type Compiler (FFI) 6.10.1 low normal new Jan 8, 2009
#9079 Foreign.C.Types in haskell2010 Core Libraries 7.8.2 normal new May 5, 2014
#9877 ForeignImport coercion evaluated before typechecking GHC API 7.8.3 normal infoneeded Dec 10, 2014
#9798 Frustrating behaviour of the INLINE pragma Compiler 7.8.3 normal new Nov 13, 2014
#11819 Full validation issues for 8.0.1 Compiler 8.0.1-rc3 highest 8.0.2 new Apr 10, 2016
#6070 Fun with the demand analyser Compiler 7.4.1 normal simonpj new May 2, 2012
#8905 Function arguments are always spilled/reloaded if scrutinee is already in WHNF Compiler (CodeGen) 7.9 normal new Mar 16, 2014
#9636 Function with type error accepted Compiler 7.8.3 normal new Sep 26, 2014
#345 GADT - fundep interaction Compiler (Type checker) 6.4 low normal simonpj new Apr 8, 2005
#11721 GADT-syntax data constructors don't work well with TypeApplications Compiler 8.1 normal 8.2.1 goldfire new Mar 19, 2016
#9701 GADTs not specialized properly Compiler 7.9 normal new Oct 17, 2014
#10818 GHC 7.10.2 takes much longer to compile some packages Compiler 7.10.2 high new Aug 31, 2015
#10097 GHC 7.11 errors on dictionary casting tricks Compiler 7.11 normal new Feb 17, 2015
#7098 GHC 7.4.1 reports an internal error and core dumps while using DPH Data Parallel Haskell 7.4.1 normal benl new Jul 26, 2012
#9074 GHC 7.8.2's ghci does not track missing symbols when loading non-Haskell object files Compiler (Linking) 7.8.2 normal new May 4, 2014
#12151 GHC 8 allows ambiguous type without AllowAmbiguousTypes Compiler (Type checker) 8.0.1 normal 8.0.2 merge Jun 4, 2016
#12100 GHC 8.0.1 build segmentation fault in haddock Compiler 8.0.1 highest 8.0.2 new May 22, 2016
#3373 GHC API is not thread safe GHC API low normal new Jul 14, 2009
#4162 GHC API messes up signal handlers GHC API 6.12.3 low new Jun 30, 2010
#7430 GHC API reports CPP errors in confusing ways GHC API 7.6.1 normal new Nov 19, 2012
#4022 GHC Bindist is Broken on FreeBSD/amd64 Core Libraries 6.13 lowest pgj new Apr 27, 2010
#10338 GHC Forgets Constraints Compiler 7.8.3 normal new Apr 21, 2015
#10965 GHC Panic on import with 'OPTIONS_GHC -fobject-code -O' Compiler 8.0.1-rc2 normal new Oct 13, 2015
#9445 GHC Panic: Tick Exhausted with high factor Compiler 7.8.3 normal new Aug 14, 2014
#8258 GHC accepts `data Foo where` in H2010 mode Compiler (Parser) 7.0.4 low new Sep 9, 2013
#12120 GHC accepts invalid Haskell: `class Eq (a Int) => C a where` Compiler 8.0.1 lowest new May 26, 2016
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