#13548: the 'impossible' happened during building PureScript for profiling -------------------------------------+------------------------------------- Reporter: hdgarrood | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.2 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: -------------------------------------+------------------------------------- Repro steps: * `git clone https://github.com/purescript/purescript` * `cd purescript` * `git checkout v0.11.2` * `stack build --profile` The error was: {{{ [ 23 of 145] Compiling Language.PureScript.Constants ( src/Language/PureScript/Constants.hs, .stack- work/dist/x86_64-linux/Cabal-1.24.2.0/build/Language/PureScript/Constants.p_o ) ghc: panic! (the 'impossible' happened) (GHC version 8.0.2 for x86_64-unknown-linux): kindPrimRep.go rep_sfuE Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug -- While building package purescript-0.11.2 using: /home/harry/.stack/setup-exe-cache/x86_64-linux/Cabal- simple_mPHDZzAJ_1.24.2.0_ghc-8.0.2 --builddir=.stack- work/dist/x86_64-linux/Cabal-1.24.2.0 build lib:purescript exe:purs --ghc- options " -ddump-hi -ddump-to-file" Process exited with code: ExitFailure 1 }}} Sorry that this is pretty much the complete opposite of a minimal reproducing example, but I have no clue how to go about isolating the part that's actually causing the problem. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13548 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler