#13417: piResultTys1 -------------------------------------+------------------------------------- Reporter: ralf | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.2 Keywords: | Operating System: Linux Architecture: x86_64 | Type of failure: Compile-time (amd64) | crash or panic Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- Error provoked by attached H98 program (which is generated by a program); compiles fine without optimizations; compilation with -O2 crashes: $ ghc --make -O2 FactorialSequ.lhs [1 of 1] Compiling FactorialSequ ( FactorialSequ.lhs, FactorialSequ.o ) ghc: panic! (the 'impossible' happened) (GHC version 8.0.2 for x86_64-unknown-linux): piResultTys1 Sequ7 t_a2zl [a_a2zm] -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13417 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler