#13417: piResultTys1 -------------------------------------+------------------------------------- Reporter: ralf | Owner: (none) Type: bug | Status: merge Priority: normal | Milestone: 8.0.3 Component: Compiler | Version: 8.0.2 Resolution: | 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: | -------------------------------------+------------------------------------- Changes (by bgamari): * milestone: => 8.0.3 Old description:
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]
New description: 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#comment:11 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler