{1} Bugs by priority (1503 matches)

Lists all open bugs in order of priority.

Results (1 - 100 of 1503)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#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
#13739 very slow linking of executables with ld.bfd < 2.27 Compiler 8.2.1-rc2 high 8.2.1 infoneeded May 22, 2017
#11198 TypeInType error message regressions Compiler (Type checker) 7.11 high 8.2.2 new Dec 11, 2015
#11959 Importing doubly exported pattern synonym and associated pattern synonym panics Compiler 8.0.1-rc3 high 8.2.2 new Apr 20, 2016
#13604 ghci no longer loads dynamic .o files by default if they were built with -O Compiler 8.2.1-rc1 high 8.2.2 new Apr 23, 2017
#13929 GHC panic with levity polymorphism Compiler 8.2.1-rc2 high 8.2.2 new Jul 5, 2017
#13943 Compiler infinite loop with GHC-8.2 Compiler 8.2.1-rc3 high 8.2.2 new Jul 8, 2017
#13945 'ghc-pkg update' fails due to bad file descriptor error Compiler 8.2.1-rc3 high 8.2.2 infoneeded Jul 9, 2017
#14017 "make install" with non-standard umask causes bad permission on package.cache Build System 8.2.1 high 8.2.2 bgamari new Jul 23, 2017
#14021 8.2.1 deb8 bindist fails to install on Windows 10 WSL Build System 8.2.1 high 8.2.2 bgamari new Jul 23, 2017
#14054 Cabal generates ill-typed Paths module when relocatable libraries (other) 8.2.1 high 8.2.2 new Jul 29, 2017
#14080 GHC panic while forcing the thunk for TyThing IsFile (regression) Compiler 8.2.1 high 8.2.2 infoneeded Aug 2, 2017
#14170 8.2.1 regression: GHC fails to simplify `natVal` Compiler 8.2.1 high 8.2.2 new Aug 30, 2017
#14199 Document Type.Reflection better (Fun and Con') Core Libraries 8.2.1 high 8.2.2 merge Sep 8, 2017
#14217 Interface-file decls for large tuples Compiler 8.2.1 high 8.2.2 new Sep 11, 2017
#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
#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
#11126 Entered absent arg in a Repa program Compiler 7.10.2 high 8.4.1 bgamari patch Nov 23, 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
#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
#13426 compile-time memory-usage regression for DynFlags between GHC 8.0 and GHC 8.2 Compiler 8.1 high 8.4.1 dfeuer new Mar 14, 2017
#13535 vector test suite uses excessive memory on GHC 8.2 Compiler 8.1 high 8.4.1 bgamari new Apr 6, 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
#13763 Performance regression (~34%) in 8.2.1, poor register allocation(?) in an inner loop over an array Compiler (NCG) 8.2.1-rc2 high 8.4.1 new May 28, 2017
#13819 TypeApplications-related GHC panic Compiler (Type checker) 8.2.1-rc2 high 8.4.1 goldfire merge Jun 12, 2017
#13851 Change in specialisation(?) behaviour since 8.0.2 causes 6x slowdown Compiler 8.2.1-rc2 high 8.4.1 new Jun 20, 2017
#13896 Use response file to invoke hsc2hs hsc2hs 8.0.1 high 8.4.1 new Jun 29, 2017
#13900 Core lint in BuildFlavour=perf-llvm Compiler 8.3 high 8.4.1 bgamari new Jun 29, 2017
#13930 Cabal configure regresses in space/time Compiler 8.3 high 8.4.1 new Jul 6, 2017
#13993 Certain inter-module specializations run out of simplifier ticks Compiler 8.0.1 high 8.4.1 new Jul 18, 2017
#13994 STG lint failure on master Compiler 8.3 high 8.4.1 new Jul 18, 2017
#14013 Bad monads performance Compiler 8.2.1-rc3 high 8.4.1 simonpj new Jul 22, 2017
#14038 TypeApplications regression in GHC HEAD: ‘p0’ is untouchable inside the constraints: () Compiler (Type checker) 8.3 high 8.4.1 new Jul 27, 2017
#14043 GHC.Stack.callStack throws exception Compiler 8.0.1 high 8.4.1 patch Jul 27, 2017
#14052 Significant GHCi speed regression with :module and `let` in GHC 8.2.1 GHCi 8.2.1-rc2 high 8.4.1 new Jul 29, 2017
#14069 RTS linker maps code as writable Runtime System (Linker) 8.0.1 high 8.4.1 new Jul 31, 2017
#14116 STG lint error while compiling master Compiler 8.2.1 high 8.4.1 patch Aug 15, 2017
#14214 Users guide lies about default optimization level Compiler 8.2.1 high 8.4.1 bgamari new Sep 11, 2017
#14226 Common Block Elimination pass doesn't eliminate common blocks Compiler (CodeGen) 8.2.1 high 8.4.1 patch Sep 13, 2017
#14244 ghc-prim: hs_atomicread* and hs_atomicwrite* missing barriers Prelude 8.2.1 high 8.4.1 trommler patch Sep 17, 2017
#14253 Pattern match checker mistakenly concludes pattern match on pattern synonym is unreachable Compiler 8.2.1 high 8.4.1 new Sep 19, 2017
#14257 Heap profiling with ghc and hp2ps and strict function application ($!) gives samples out of sequence (regression) Runtime System 8.2.1 high 8.4.1 bgamari new Sep 20, 2017
#14270 GHC HEAD's ghc-stage1 panics on Data.Typeable.Internal Compiler 8.3 high 8.4.1 bgamari new Sep 22, 2017
#14272 GHC goes out of memory while compiling simple program with optimizations Compiler 7.10.3 high 8.4.1 new Sep 22, 2017
#9198 large performance regression in type checker speed in 7.8 Compiler (Type checker) 7.8.2 high Research needed new Jun 12, 2014
#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 dfeuer 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
#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
#12482 Infinite compilation time when using wrongly ordered constraints Compiler 8.0.1 high infoneeded Aug 11, 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
#13011 Simplifier ticks exhausted: a 10-line case Compiler 8.0.1 high new Dec 20, 2016
#13150 unknown warning is not reported by GHC Compiler 8.0.1 high new Jan 18, 2017
#13185 haskell-relational-query: ghc: panic! (the 'impossible' happened) Compiler 8.0.2 high new Jan 25, 2017
#14035 Weird performance results. Compiler 8.0.1 high new Jul 27, 2017
#14062 Pure syntax transformation affects performance. Compiler 8.0.1 high new Jul 30, 2017
#12100 GHC 8.0.1 build segmentation fault in haddock Compiler 8.0.1 highest 8.2.1 infoneeded May 22, 2016
#13707 xmobar crashes with segmentation faults? Compiler 8.2.1-rc2 highest 8.2.1 new May 16, 2017
#13990 Core Lint error on empty case Compiler 8.2.1-rc3 highest 8.2.2 new Jul 17, 2017
#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
#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 dfeuer new Jul 26, 2016
#12919 Equality not used for substitution Compiler (Type checker) 8.0.1 highest 8.4.1 goldfire patch Dec 2, 2016
#13233 typePrimRep panic while compiling GHC with profiling Compiler 8.0.1 highest 8.4.1 new Feb 5, 2017
#14135 PatternSynonyms regression in GHC HEAD (expectJust mkOneConFull) Compiler 8.3 highest 8.4.1 carlostome new Aug 17, 2017
#14155 GHC mentions unlifted types out of the blue (to me anyway) Compiler 8.2.1 highest 8.4.1 new Aug 24, 2017
#14251 LLVM Code Gen messes up registers Compiler (LLVM) 8.3 highest new Sep 19, 2017
#8159 Uses of Binary decode should have a proper error message Compiler 7.6.3 low new Aug 23, 2013
#8173 GHC uses nub Compiler 7.6.3 low leroux new Aug 26, 2013
#8195 Different floating point results with -msse2 on 32bit Linux Compiler (NCG) 7.7 low new Aug 29, 2013
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