{1} Bugs by priority (1371 matches)

Lists all open bugs in order of priority.

Results (1 - 100 of 1371)

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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 8.2.1 infoneeded May 22, 2016
#4820 "Invalid object in isRetainer" when doing retainer profiling in GHC 7 branch Profiling 8.0.1 highest 8.4.1 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
#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 8.4.1 infoneeded May 10, 2012
#12075 Fails to build on powerpcspe because of inline assembly Build System 8.0.1 normal 8.4.1 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 8.4.1 infoneeded Nov 11, 2016
#12932 -fexternal-interpreter` fails to find symbols Compiler 8.0.1 normal 8.4.1 infoneeded Dec 6, 2016
#13471 segmentation fault by compiling GHC Build System 8.0.2 normal 8.4.1 infoneeded Mar 23, 2017
#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
#13118 let binding tuple of lenses error not an expression GHCi 8.0.1 normal infoneeded Jan 14, 2017
#13542 Solaris build fails with collect2: execv: Arg list too long Compiler 8.1 normal infoneeded Apr 7, 2017
#13577 Compiler performance on open-symbology parser module regressed in GHC 8.2 Compiler 8.2.1-rc2 normal infoneeded Apr 14, 2017
#13726 Declaring GADT constructor and associated data family with the same name gives weird error Compiler (Type checker) 8.0.1 normal infoneeded May 19, 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 8.4.1 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
#13695 Highly nested UNPACKed data causes panic Compiler 8.2.1-rc2 high 8.2.1 merge May 14, 2017
#13708 Panic! (the "impossible" happened) bug in GHC 8.2.1 rc2 Compiler 8.2.1-rc2 normal 8.2.1 merge May 16, 2017
#13752 Odd pattern synonym type errors Compiler (Type checker) 8.2.1-rc2 normal 8.4.1 merge May 25, 2017
#13705 Failure of improvement for type-family dependencies Compiler 8.0.1 normal merge May 16, 2017
#13535 vector test suite uses excessive memory on GHC 8.2 Compiler 8.1 highest 8.2.1 bgamari new Apr 6, 2017
#13615 Nondeterminism in ‘pure’ function w/ parallel evaluation & memo combinators Compiler 7.10.3 highest 8.2.1 bgamari new Apr 25, 2017
#13707 xmobar crashes with segmentation faults? Compiler 8.2.1-rc2 highest 8.2.1 new May 16, 2017
#13751 Runtime crash with <<loop>> after concurrent stressing of STM computations Runtime System 8.0.2 highest 8.2.1 new May 24, 2017
#13750 GHC produces incorrect coercions in hairy code Compiler 8.2.1-rc2 highest 8.2.2 new May 24, 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
#12919 Equality not used for substitution Compiler (Type checker) 8.0.1 highest 8.4.1 goldfire new Dec 2, 2016
#13233 typePrimRep panic while compiling GHC with profiling Compiler 8.0.1 highest 8.4.1 new Feb 5, 2017
#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
#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
#10595 BuiltinRules override other rules in some cases. Compiler 7.11 high new Jul 1, 2015
#13429 Optimizer produces Core with an infinite <<loop>> Compiler 8.0.2 high 7.10.4 new Mar 16, 2017
#9630 compile-time performance regression (probably due to Generics) Compiler 7.9 high 8.2.1 dfeuer new Sep 24, 2014
#13426 compile-time memory-usage regression for DynFlags between GHC 8.0 and GHC 8.2 Compiler 8.1 high 8.2.1 new Mar 14, 2017
#13594 Typechecker behavior w.r.t. BangPatterns and nested foralls has changed in 8.2 Compiler (Type checker) 8.2.1-rc2 high 8.2.1 new Apr 20, 2017
#5553 sendWakeup error in simple test program with MVars and killThread Runtime System 8.0.1 high 8.2.2 new Oct 12, 2011
#11959 Importing doubly exported pattern synonym and associated pattern synonym panics Compiler 8.0.1-rc3 high 8.2.2 new Apr 20, 2016
#12150 Compile time performance degradation on code that uses undefined/error with CallStacks Compiler 8.0.1 high 8.2.2 new Jun 3, 2016
#4012 Compilation results are not deterministic Compiler 6.12.2 high 8.4.1 niteria new Apr 24, 2010
#5775 Inconsistency in demand analysis Compiler 7.5 high 8.4.1 new Jan 14, 2012
#7411 Exceptions are optimized away in certain situations Compiler 7.6.1 high 8.4.1 new Nov 13, 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
#8949 switch -msse2 to be on by default Compiler (CodeGen) 7.9 high 8.4.1 new Apr 2, 2014
#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
#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
#11196 TypeInType performance regressions Compiler 7.11 high 8.4.1 new Dec 11, 2015
#11198 TypeInType error message regressions Compiler (Type checker) 7.11 high 8.4.1 goldfire new Dec 11, 2015
#11371 Bogus in-scope set in substitutions Compiler 7.10.3 high 8.4.1 niteria new Jan 7, 2016
#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
#11606 name shadowing warnings don't trigger on standalone declarations in ghci GHCi 7.10.3 high 8.4.1 rwbarton new Feb 18, 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
#13380 raiseIO# result looks wrong Compiler 8.1 high 8.4.1 dfeuer new Mar 5, 2017
#13576 Runtime crashes on arm64 (iOS) Compiler high 8.4.1 new Apr 14, 2017
#13624 loadObj() does not respect alignment Runtime System (Linker) 8.0.1 high 8.4.1 new Apr 28, 2017
#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
#7298 GHCi is setting stdin/stdout to NoBuffering in runghc when DYNAMIC_GHC_PROGRAMS=YES GHCi 7.6.1 high new Oct 5, 2012
#7602 Threaded RTS performing badly on recent OS X (10.8?) Runtime System high thoughtpolice new Jan 17, 2013
#10818 GHC 7.10.2 takes much longer to compile some packages Compiler 7.10.2 high new Aug 31, 2015
#11106 Turning on optimizer changes behavior in 7.10.3 Compiler 7.10.2 high new Nov 17, 2015
#11188 Confusing "parse error in pattern" for spurious indentation. Compiler (Parser) 7.10.1 high new Dec 9, 2015
#11476 gcc leaves undeleted temporary files when invoked with a response file Compiler 7.10.3 high new Jan 21, 2016
#12079 segmentation fault in both ghci and compiled program involves gtk library Compiler 7.10.3 high doofin new May 18, 2016
#12091 'Variable not in scope" when using GHCi with `-fobject-code` GHCi 8.0.1 high new May 20, 2016
#12395 Misleading GHCi errors when package is installed GHCi 8.0.1 high new Jul 14, 2016
#12430 TypeFamilyDependencies accepts invalid injectivity annotation Compiler (Type checker) 8.0.1 high new Jul 24, 2016
#12506 Compile time regression in GHC 8. Compiler 8.0.1 high bgamari new Aug 20, 2016
#12690 Segmentation fault in GHC runtime system under low memory with USE_LARGE_ADDRESS_SPACE Runtime System 8.0.1 high new Oct 11, 2016
#12734 Missed use of solved dictionaries leads to context stack overflow Compiler 8.0.1 high new Oct 18, 2016
#12832 GHC infers too simplified contexts Compiler 8.0.1 high new Nov 12, 2016
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