{1} Bugs by priority (1314 matches)

Lists all open bugs in order of priority.

Results (1 - 100 of 1314)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#12100 GHC 8.0.1 build segmentation fault in haddock Compiler 8.0.1 highest 8.0.3 infoneeded May 22, 2016
#4820 "Invalid object in isRetainer" when doing retainer profiling in GHC 7 branch Profiling 8.0.1 highest 8.2.1 infoneeded Dec 6, 2010
#11375 Type aliases twice as slow to compile as closed type families. Compiler (Type checker) 8.1 high infoneeded Jan 7, 2016
#12482 Infinite compilation time when using wrongly ordered constraints Compiler 8.0.1 high infoneeded Aug 11, 2016
#8332 hp2ps does not escape parentheses Profiling 7.7 normal infoneeded Sep 19, 2013
#9136 Constant folding in Core could be better Compiler 7.8.2 normal infoneeded May 23, 2014
#9434 GHC.List.reverse does not fuse Core Libraries 7.9 normal infoneeded Aug 12, 2014
#9704 GHC fails with "Loading temp shared object failed" Compiler 7.8.3 normal infoneeded Oct 18, 2014
#10295 Putting SCC in heavily inlined code results in "error: redefinition of global" Compiler (LLVM) 7.10.1 normal infoneeded Apr 13, 2015
#10355 Dynamic linker not initialised Runtime System (Linker) 7.10.1 normal infoneeded Apr 25, 2015
#6087 Join points need strictness analysis Compiler 7.4.1 normal 8.2.1 infoneeded May 10, 2012
#12075 Fails to build on powerpcspe because of inline assembly Compiler (NCG) 8.0.1 normal 8.2.1 infoneeded May 16, 2016
#12825 ghc panic on ppc64le, ghc 8.0.1, agda 2.5.1.1 patched for newer EdisonAPI Compiler 8.0.1 normal 8.2.1 infoneeded Nov 11, 2016
#12932 -fexternal-interpreter` fails to find symbols Compiler 8.0.1 normal 8.2.1 infoneeded Dec 6, 2016
#5840 Extend the supported environment sizes of vectorised closures Data Parallel Haskell 7.4.1 normal chak infoneeded Feb 2, 2012
#7621 Cross-build for QNX ARM smashes stack when using FunPtr wrappers Compiler (FFI) 7.7 normal infoneeded Jan 24, 2013
#5954 Performance regression 7.0 -> 7.2 (still in 7.4) Compiler 7.4.1 normal simonpj infoneeded Mar 20, 2012
#7443 Generated C code under -prof -fprof-auto -fprof-cafs very slow to compile Profiling 7.4.2 normal infoneeded Nov 23, 2012
#7836 "Invalid object in processHeapClosureForDead" when profiling with -hb Profiling 7.4.2 normal infoneeded Apr 14, 2013
#8014 Assertion failure when using multithreading in debug mode. Runtime System 7.6.2 normal infoneeded Jun 26, 2013
#11042 Template Haskell / GHCi does not respect extra-lib-dirs Compiler 7.10.2 normal infoneeded Nov 1, 2015
#11288 Thread blocked indefinitely in a Mvar operation Compiler 7.10.2 normal infoneeded Dec 26, 2015
#11306 Do not generate warning in `do` when result is of type `Void`. Compiler 7.10.3 normal infoneeded Dec 28, 2015
#12372 bug: documentation for Control.Monad.guard not useful after AMP libraries/base 8.0.1 normal infoneeded Jul 7, 2016
#12383 ghc: internal error: TSO object entered Compiler 7.10.3 normal infoneeded Jul 12, 2016
#12471 Weirdness when using fromIntegral in quosiquoter Compiler 8.0.1 normal infoneeded Aug 6, 2016
#12939 ghc-8.0.1.20161117 did not install ghc.1 manpage Build System 8.0.2-rc1 normal bgamari infoneeded Dec 7, 2016
#12967 GHC 8.0.1 Panic for current Aeson 1.0.2.1 Compiler 8.0.1 normal infoneeded Dec 13, 2016
#13118 let binding tuple of lenses error not an expression GHCi 8.0.1 normal infoneeded Jan 14, 2017
#8447 A combination of type-level comparison and subtraction does not work for 0 Compiler (Type checker) 7.6.3 low infoneeded Oct 15, 2013
#7723 iOS patch no 12: Itimer.c doesn't work on iOS Runtime System 7.7 low 8.2.1 infoneeded Feb 26, 2013
#4105 ffi005 fails on OS X Compiler (FFI) 6.12.2 low infoneeded May 29, 2010
#5305 crash after writing around 40 gigabytes to stdout Compiler 7.0.3 low infoneeded Jul 6, 2011
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported Compiler 6.8.3 lowest normal infoneeded Oct 19, 2008
#12776 Panic Simplifier ticks exhausted since ghc 8 Compiler 8.0.1 highest 8.0.3 merge Oct 28, 2016
#12944 ghc master (8.1.20161206) panics with assertion failure with devel2 flavor and -O Compiler (CodeGen) 8.1 highest 8.0.3 merge Dec 7, 2016
#12425 With -O1 and above causes ghc to use all available memory before being killed by OOM killer Compiler 8.0.1 high 8.0.3 merge Jul 22, 2016
#11525 Using a dummy typechecker plugin causes an ambiguity check error Compiler (Type checker) 8.0.1-rc1 normal 8.0.3 darchon merge Feb 1, 2016
#11731 Simplifier: Inlining trivial let can lose sharing Compiler 8.1 normal 8.0.3 merge Mar 21, 2016
#12234 'deriving Eq' on recursive datatype makes ghc eat a lot of CPU and RAM Compiler 8.0.1 normal 8.0.3 merge Jun 26, 2016
#12846 On Windows, runtime linker can't find function defined in GHC's RTS Runtime System (Linker) 8.0.1 normal 8.0.3 merge Nov 17, 2016
#12885 "too many iterations" causes constraint solving issue. Compiler 8.0.2-rc1 normal 8.0.3 merge Nov 27, 2016
#12921 initTc: unsolved constraints Compiler (Type checker) 8.0.1 normal 8.0.3 merge Dec 3, 2016
#12985 GHCi incorrectly reports the kind of unboxed tuples spliced in from Template Haskell Template Haskell 8.0.2 normal 8.0.3 merge Dec 15, 2016
#13025 Type family reduction irregularity (change from 7.10.3 to 8.0.1) Compiler 8.0.1 normal 8.0.3 merge Dec 21, 2016
#13035 GHC enters a loop when partial type signatures and advanced type level code mix Compiler 8.0.1 normal 8.0.3 merge Dec 25, 2016
#13043 GHC 7.10->8.0 regression: GHC code-generates duplicate _closures Compiler 8.0.2-rc2 normal 8.0.3 merge Dec 30, 2016
#13056 Deriving Foldable causes GHC to take a long time (GHC 8.0 ONLY) Compiler 8.0.2-rc2 normal 8.0.3 merge Jan 3, 2017
#13083 Constraint solving failure with Coercible + type family + newtype Compiler (Type checker) 8.0.1 normal 8.0.3 goldfire merge Jan 8, 2017
#13135 Typechecker "panic! the 'impossible' happened" Compiler (Type checker) 8.0.2 normal 8.0.3 merge Jan 16, 2017
#13245 Default FD buffer size is not a power of 2 Runtime System 8.0.2 normal 8.0.3 merge Feb 9, 2017
#13246 hPutBuf issues unnecessary empty write syscalls for large writes Runtime System 8.0.2 normal 8.0.3 merge Feb 9, 2017
#13285 Bug in GHC.Stack.callStack when used with sections Compiler 8.0.1 normal 8.0.3 simonpj merge Feb 16, 2017
#12055 Typechecker panic instead of proper error Compiler (Type checker) 8.0.1 lowest 8.0.3 merge May 13, 2016
#13242 Panic "StgCmmEnv: variable not found" with ApplicativeDo and ExistentialQuantification Compiler 8.1 highest 8.0.3 simonmar new Feb 8, 2017
#12919 Equality not used for substitution Compiler (Type checker) 8.0.1 highest 8.2.1 goldfire new Dec 2, 2016
#13220 Performance regressions in testsuite from join points Compiler 8.1 highest 8.2.1 lukemaurer new Feb 1, 2017
#13233 typePrimRep panic while compiling GHC with profiling Compiler 8.0.1 highest 8.2.1 bgamari new Feb 5, 2017
#13265 perf-llvm build fails with "Too many sections: 123418 (>= 65280)" Compiler (LLVM) 8.1 highest 8.2.1 new Feb 10, 2017
#11715 Constraint vs * Compiler (Type checker) 8.0.1-rc1 highest 8.4.1 goldfire new Mar 16, 2016
#12437 20% regression in max_bytes_used for T1969 Compiler 8.0.1 highest 8.4.1 osa1 new Jul 26, 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
#5553 sendWakeup error in simple test program with MVars and killThread Runtime System 8.0.1 high 7.4.2 new Oct 12, 2011
#7411 Exceptions are optimized away in certain situations Compiler 7.6.1 high 8.0.3 new Nov 13, 2012
#11606 name shadowing warnings don't trigger on standalone declarations in ghci GHCi 7.10.3 high 8.0.3 rwbarton new Feb 18, 2016
#11959 Importing doubly exported pattern synonym and associated pattern synonym panics Compiler 8.0.1-rc3 high 8.0.3 new Apr 20, 2016
#12150 Compile time performance degradation on code that uses undefined/error with CallStacks Compiler 8.0.1 high 8.0.3 new Jun 3, 2016
#12610 Emit tab warning promptly Compiler (Parser) 8.0.1 high 8.0.3 dalaing new Sep 22, 2016
#4012 Compilation results are not deterministic Compiler 6.12.2 high 8.2.1 niteria new Apr 24, 2010
#11126 Entered absent arg in a Repa program Compiler 7.10.2 high 8.2.1 new Nov 23, 2015
#11196 TypeInType performance regressions Compiler 7.11 high 8.2.1 new Dec 11, 2015
#11198 TypeInType error message regressions Compiler (Type checker) 7.11 high 8.2.1 goldfire new Dec 11, 2015
#11371 Bogus in-scope set in substitutions Compiler 7.10.3 high 8.2.1 niteria new Jan 7, 2016
#13202 Levity polymorphism panic in GHCi Compiler 8.0.1 high 8.2.1 new Jan 28, 2017
#13313 cabal08 broken Compiler 8.0.1 high 8.2.1 new Feb 21, 2017
#13333 Typeable regression in GHC HEAD Compiler (Type checker) 8.1 high 8.2.1 new Feb 24, 2017
#314 #line pragmas not respected inside nested comments Compiler (Parser) 6.4 high normal 8.4.1 new Feb 28, 2005
#5775 Inconsistency in demand analysis Compiler 7.5 high 8.4.1 new Jan 14, 2012
#8095 TypeFamilies painfully slow Compiler (Type checker) 7.6.3 high 8.4.1 goldfire new Jul 27, 2013
#8228 GHC built under Windows does not generate dyn_hi files Compiler 7.7 high 8.4.1 Phyx- new Sep 5, 2013
#8281 The impossible happened: primRepToFFIType Compiler 7.6.2 high 8.4.1 new Sep 13, 2013
#9198 large performance regression in type checker speed in 7.8 Compiler (Type checker) 7.8.2 high 8.4.1 new Jun 12, 2014
#9370 unfolding info as seen when building a module depends on flags in a previously-compiled module Compiler 7.8.3 high 8.4.1 bgamari new Jul 27, 2014
#9630 compile-time performance regression (probably due to Generics) Compiler 7.9 high 8.4.1 new Sep 24, 2014
#10599 Template Haskell doesn't allow `newName "type"` Template Haskell 7.10.2-rc2 high 8.4.1 goldfire new Jul 3, 2015
#10946 Typed hole inside typed Template Haskell bracket causes panic Template Haskell 7.10.1 high 8.4.1 new Oct 8, 2015
#11066 Inacessible branch should be warning - otherwise breaks type soundness? Compiler 7.10.2 high 8.4.1 new Nov 6, 2015
#11195 New pattern-match check can be non-performant Compiler 7.11 high 8.4.1 new Dec 11, 2015
#11523 Infinite Loop when mixing UndecidableSuperClasses and the class/instance constraint synonym trick. Compiler (Type checker) 8.0.1-rc1 high 8.4.1 simonpj new Feb 1, 2016
#12088 Type/data family instances in kind checking Compiler (Type checker) 8.1 high 8.4.1 new May 19, 2016
#12564 Type family in type pattern kind Compiler (Type checker) 8.0.1 high 8.4.1 goldfire new Sep 2, 2016
#4144 Exception: ToDo: hGetBuf - when using custom handle infrastructure Core Libraries 7.6.1 high new Jun 21, 2010
#4505 Segmentation fault on long input (list of pairs) Compiler 7.0.1 high new Nov 17, 2010
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