#12843: Simplifier ticks exhausted When trying UnfoldingDone $ -------------------------------------+------------------------------------- Reporter: MikolajKonarski | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: invalid | Keywords: Operating System: Linux | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: #12776 #12789 | Differential Rev(s): #12675 | Wiki Page: | -------------------------------------+------------------------------------- Comment (by MikolajKonarski): BTW, should I open a new bug report with the panic I spotted in the travis log? (https://api.travis-ci.org/jobs/179766413/log.txt?deansi=true) {{{ ghc: panic! (the 'impossible' happened) (GHC version 8.1.20161125 for x86_64-unknown-linux): Can't serialise IfaceTcTyVar u_aDzT[sk:1] Call stack: CallStack (from HasCallStack): prettyCurrentCallStack, called at compiler/utils/Outputable.hs:1076:58 in ghc:Outputable callStackDoc, called at compiler/utils/Outputable.hs:1080:37 in ghc:Outputable pprPanic, called at compiler/iface/IfaceType.hs:1331:10 in ghc:IfaceType }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12843#comment:12 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler