{1} Bugs by priority (991 matches)

Lists all open bugs in order of priority.

Results (1 - 100 of 991)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#2530 deriving Show adds extra parens for constructor with record syntax Compiler 6.8.3 highest normal 8.0.1 bgamari new Aug 21, 2008
#10800 vector-0.11 compile time increased substantially with 7.10.1 Compiler 7.10.2 highest 8.0.1 bgamari new Aug 27, 2015
#11126 Entered absent arg in a Repa program Compiler 7.10.2 highest 8.0.1 new Nov 23, 2015
#11196 TypeInType performance regressions Compiler 7.11 highest 8.0.1 goldfire new Dec 11, 2015
#11246 Regression typechecking type synonym which includes `Any`. Compiler (Type checker) 8.0.1-rc2 highest 8.0.1 goldfire new Dec 17, 2015
#11329 Visible type applications: failing tests with WAY=hpc Compiler 7.11 highest 8.0.1 goldfire new Jan 1, 2016
#11334 GHC panic when calling typeOf on a promoted data constructor Compiler (Type checker) 8.0.1-rc1 highest 8.0.1 goldfire new Jan 1, 2016
#11339 Possible type-checker regression in GHC 8.0 Compiler (Type checker) 8.0.1-rc1 highest 8.0.1 simonpj new Jan 2, 2016
#11357 Regression when deriving Generic1 on poly-kinded data family Compiler (CodeGen) 7.11 highest 8.0.1 goldfire new Jan 5, 2016
#11399 Ill-kinded instance head involving -XTypeInType can invoke GHC panic Compiler (Type checker) 8.1 highest 8.0.1 goldfire merge Jan 10, 2016
#11401 No match in record selector ctev_dest Compiler 8.0.1-rc1 highest 8.0.1 goldfire new Jan 10, 2016
#11407 -XTypeInType uses up all memory when used in data family instance Compiler (Type checker) 8.0.1-rc1 highest 8.0.1 goldfire new Jan 11, 2016
#11414 Panic with -XStrict: StgCmmEnv: variable not found Compiler 7.11 highest 8.0.1 new Jan 12, 2016
#11432 Cannot export operator newtype Compiler 8.0.1-rc1 highest 8.0.1 skvadrik new Jan 15, 2016
#11473 Levity polymorphism checks are inadequate Compiler 7.10.3 highest 8.0.1 goldfire new Jan 21, 2016
#11520 GHC falls into a hole if given incorrect kind signature Compiler (Type checker) 8.0.1-rc1 highest 8.0.1 merge Jan 31, 2016
#11523 Infinite Loop when mixing UndecidableSuperClasses and the class/instance constraint synonym trick. Compiler (Type checker) 8.0.1-rc1 highest 8.0.1 merge Feb 1, 2016
#11549 Add -fshow-runtime-rep Compiler 8.1 highest 8.0.1 goldfire new Feb 6, 2016
#11555 catch _|_ breaks at -O1 Compiler 8.0.1-rc2 highest 8.0.1 new Feb 7, 2016
#11558 Using Cabal 1.22 against GHC 8.0 results in unhelpful errors Package system 8.0.1-rc1 highest 8.0.1 new Feb 8, 2016
#11195 New pattern-match check can be non-performant Compiler 7.11 highest 8.2.1 new Dec 11, 2015
#11413 GHC 8.1.20160111 fails to bootstrap itself. Compiler 8.1 highest thomie new Jan 12, 2016
#11443 SPECIALIZE pragma does not work + compilation times regression in GHC 8.0-rc1 Compiler 8.0.1-rc1 highest new Jan 17, 2016
#8316 GHCi debugger segfaults when trying force a certain variable GHCi 7.6.3 high new Sep 17, 2013
#9432 IncoherentInstances are too restricted Compiler (Type checker) 7.8.2 high new Aug 11, 2014
#9533 Signed/unsigned integer difference between compiled and interpreted code Compiler 7.8.3 high new Aug 31, 2014
#9562 Type families + hs-boot files = unsafeCoerce Compiler 7.8.3 high ezyang new Sep 6, 2014
#9693 Reloading GHCi with Template Haskell names can panic GHC Template Haskell 7.8.3 high new Oct 15, 2014
#10245 panic in new integer switch logic with "out-of-range" literals Compiler (CodeGen) 7.11 high new Apr 5, 2015
#10542 Incorrect Unicode input on Windows Console Compiler 7.8.3 high new Jun 18, 2015
#10595 BuiltinRules override other rules in some cases. Compiler 7.11 high new Jul 1, 2015
#229 Integer overflow in array allocation Core Libraries 7.9 high normal 8.0.1 rwbarton new Jun 16, 2004
#4029 ghci leaks memory when loading a file GHCi high 8.0.1 jme new Apr 28, 2010
#6166 Performance regression in mwc-random since 7.0.x Compiler 7.4.2 high 8.0.1 new Jun 15, 2012
#7325 threadDelay mistreats minBound and maxBound in some configurations Runtime System 7.6.1 high 8.0.1 new Oct 13, 2012
#7411 Exceptions are optimized away in certain situations Compiler 7.6.1 high 8.0.1 new Nov 13, 2012
#8224 Excessive system time -- new IO manager problem? Runtime System 7.7 high 8.0.1 new Sep 4, 2013
#8281 The impossible happened: primRepToFFIType Compiler 7.6.2 high 8.0.1 new Sep 13, 2013
#9007 fails to build with hardening flags enabled (relocation R_X86_64_32 against `stg_CHARLIKE_closure'...) Compiler 7.9 high 8.0.1 nomeata new Apr 17, 2014
#9370 unfolding info as seen when building a module depends on flags in a previously-compiled module Compiler 7.8.3 high 8.0.1 new Jul 27, 2014
#10068 Make the runtime reflection API for names, modules, locations more systematic Compiler 7.8.4 high 8.0.1 new Feb 6, 2015
#10296 Segfaults when using dynamic wrappers and concurrency Runtime System 7.11 high 8.0.1 new Apr 13, 2015
#10599 Template Haskell doesn't allow `newName "type"` Template Haskell 7.10.2-rc2 high 8.0.1 goldfire new Jul 3, 2015
#10860 setnumcapabilities001: internal error: ASSERTION FAILED: file rts/Schedule.c, line 400 Runtime System 7.10.2 high 8.0.1 simonmar new Sep 9, 2015
#10946 Typed hole inside typed Template Haskell bracket causes panic Template Haskell 7.10.1 high 8.0.1 new Oct 8, 2015
#11046 lookupTypeName does not support type operators not starting with : Template Haskell 7.10.2 high 8.0.1 albertus new Nov 1, 2015
#11062 Type families + hs-boot files = panic Compiler 7.11 high 8.0.1 new Nov 5, 2015
#11066 Inacessible branch should be warning - otherwise breaks type soundness? Compiler 7.10.2 high 8.0.1 new Nov 6, 2015
#11108 Weak references related crash Runtime System 7.10.2 high 8.0.1 new Nov 18, 2015
#11198 TypeInType error message regressions Compiler (Type checker) 7.11 high 8.0.1 new Dec 11, 2015
#11450 Associated types at wrong type in instance Compiler 7.10.3 high 8.0.1 new Jan 18, 2016
#11524 Something is amiss with quantification in pattern synonym type signatures Compiler (Type checker) 8.0.1-rc1 high 8.0.1 new Feb 1, 2016
#11554 Self quantification in GADT data declarations Compiler (Type checker) 8.0.1-rc2 high 8.0.1 new Feb 7, 2016
#314 #line pragmas not respected inside nested comments Compiler (Parser) 6.4 high normal 8.2.1 new Feb 28, 2005
#4012 Compilation results are not deterministic Compiler 6.12.2 high 8.2.1 niteria new Apr 24, 2010
#4144 Exception: ToDo: hGetBuf - when using custom handle infrastructure Core Libraries 7.6.1 high 8.2.1 new Jun 21, 2010
#4505 Segmentation fault on long input (list of pairs) Compiler 7.0.1 high 8.2.1 niteria new Nov 17, 2010
#5775 Inconsistency in demand analysis Compiler 7.5 high 8.2.1 bgamari new Jan 14, 2012
#7298 GHCi is setting stdin/stdout to NoBuffering in runghc when DYNAMIC_GHC_PROGRAMS=YES GHCi 7.6.1 high 8.2.1 new Oct 5, 2012
#7602 Threaded RTS performing badly on recent OS X (10.8?) Runtime System high 8.2.1 thoughtpolice new Jan 17, 2013
#8095 TypeFamilies painfully slow Compiler (Type checker) 7.6.3 high 8.2.1 bgamari new Jul 27, 2013
#8228 GHC built under Windows does not generate dyn_hi files Compiler 7.7 high 8.2.1 thoughtpolice new Sep 5, 2013
#9198 large performance regression in type checker speed in 7.8 Compiler (Type checker) 7.8.2 high 8.2.1 new Jun 12, 2014
#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
#9630 compile-time performance regression (probably due to Generics) Compiler 7.9 high 8.2.1 new Sep 24, 2014
#10007 Fix misattribution of Cost Centre profiles to lintAnnots Profiling 7.10.1-rc1 high 8.2.1 scpmw new Jan 19, 2015
#10510 Testsuite driver does not run tests in parallel on Windows Test Suite 7.10.1 high 8.2.1 new Jun 11, 2015
#11316 Too many guards warning causes issues Compiler 7.11 high 8.2.1 new Dec 30, 2015
#11371 Bogus in-scope set in substitutions Compiler 7.10.3 high 8.2.1 niteria new Jan 7, 2016
#11516 Panic, "falls into a hole" Compiler (Type checker) 7.10.3 high 8.2.1 merge Jan 30, 2016
#11532 ghc: panic! occured Compiler 7.10.3 high 8.2.1 infoneeded Feb 3, 2016
#10812 High memory usage after performing GC Compiler 7.10.2 high new Aug 29, 2015
#10818 GHC 7.10.2 takes much longer to compile some packages Compiler 7.10.2 high new Aug 31, 2015
#10914 Bad symbol resolution on Darwin when using DYLD_FORCE_FLAT_NAMESPACE=1 Runtime System (Linker) 7.10.2 high new Sep 25, 2015
#11188 Confusing "parse error in pattern" for spurious indentation. Compiler (Parser) 7.10.1 high new Dec 9, 2015
#11375 Type aliases twice as slow to compile as closed type families. Compiler (Type checker) 8.1 high new Jan 7, 2016
#11476 gcc leaves undeleted temporary files when invoked with a response file Compiler 7.10.3 high new Jan 21, 2016
#11548 Absolutely misleading error message on kind error Compiler (Type checker) 8.1 high goldfire new Feb 6, 2016
#11564 Possible overzealous unfolding Compiler 8.1 high simonpj new Feb 9, 2016
#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
#7102 Type family instance overlap accepted in ghci GHCi 7.4.1 normal new Jul 28, 2012
#7336 Defined but not used is not detected for data types with instances Compiler 7.6.1 normal new Oct 16, 2012
#7960 Compiling profiling CCS registration .c file takes far too long Compiler 7.6.3 normal new Jun 4, 2013
#7988 Big integers crashing integer-simple on qnxnto-arm with unregisterised build Compiler 7.7 normal new Jun 16, 2013
#8042 `:load *` and `:add *` misbehave in presence of `-fobject-code` GHCi 7.6.3 normal new Jul 7, 2013
#8082 Ordering of assembly blocks affects performance Compiler (NCG) 7.6.3 normal new Jul 22, 2013
#8118 <stdout>: commitAndReleaseBuffer: invalid argument (invalid character) Compiler 7.8.3 normal new Aug 8, 2013
#8123 GHCi warns about -eventlog even though it's sometimes necessary GHCi 7.6.3 normal new Aug 12, 2013
#8127 iOS patch no 19: Linking Compiler (Linking) 7.7 normal new Aug 13, 2013
#8128 Standalone deriving fails for GADTs due to inaccessible code Compiler (Type checker) 7.7 normal new Aug 13, 2013
#8147 Exponential behavior in instance resolution on fixpoint-of-sum Compiler 7.6.3 normal new Aug 21, 2013
#8151 ghc-7.4.2 on OpenIndiana (Solaris) createSubprocess fails Compiler 7.4.2 normal new Aug 21, 2013
#8211 ghc -c recompiles TH every time while --make doesn't Compiler 7.6.3 normal new Sep 2, 2013
#8265 getTokenStream fails for source using cpp GHC API 7.6.3 normal alanz new Sep 10, 2013
#8318 GHC does not infer type of `tagToEnum#` expression Compiler (Type checker) 7.7 normal new Sep 17, 2013
#8319 Simplifier ticks exhausted (need -fsimpl-tick-factor=955) Test Suite 7.6.3 normal new Sep 17, 2013
#8327 Cmm sinking does not eliminate dead code in loops Compiler (CodeGen) 7.7 normal new Sep 18, 2013
#8332 hp2ps does not escape parentheses Profiling 7.7 normal infoneeded Sep 19, 2013
#8336 Sinking pass could optimize some assignments better Compiler (CodeGen) 7.7 normal new Sep 20, 2013
#8338 Incoherent instances without -XIncoherentInstances Compiler 7.6.3 normal new Sep 20, 2013
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