#13233: typePrimRep panic while compiling GHC with profiling -------------------------------------+------------------------------------- Reporter: bgamari | Owner: Type: bug | Status: new Priority: high | Milestone: 8.2.1 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by bgamari): Here is a more complete backtrace, {{{ ghc-stage1: panic! (the 'impossible' happened) (GHC version 8.1.20170124 for x86_64-unknown-linux): runtimeRepPrimRep typePrimRep (a :: TYPE k0) k0 Call stack: ?callStack, called at compiler/utils/Util.hs:1352:50 in ghc:Util prettyCurrentCallStack, called at compiler/utils/Outputable.hs:1166:58 in ghc:Outputable callStackDoc, called at compiler/utils/Outputable.hs:1170:37 in ghc:Outputable pprPanic, called at compiler/simplStg/RepType.hs:358:5 in ghc:RepType runtimeRepPrimRep, called at compiler/simplStg/RepType.hs:340:5 in ghc:RepType kindPrimRep, called at compiler/simplStg/RepType.hs:303:18 in ghc:RepType typePrimRep, called at compiler/simplStg/RepType.hs:67:11 in ghc:RepType typePrimRepArgs, called at compiler/simplStg/RepType.hs:108:13 in ghc:RepType countFunRepArgs, called at compiler/basicTypes/Id.hs:570:19 in ghc:Id idFunRepArity, called at compiler/codeGen/StgCmmClosure.hs:334:13 in ghc:StgCmmClosure }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13233#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler