#7380: Panic: mkNoTick: Breakpoint loading modules with -O2 via API -------------------------------------+------------------------------------- Reporter: | Owner: JeanPhilippeMoresmau | Status: new Type: bug | Milestone: 7.10.1 Priority: normal | Version: 7.4.1 Component: GHC API | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: | Difficulty: Unknown Unknown/Multiple | Blocked By: Type of failure: Runtime | Related Tickets: crash | Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Changes (by thomie): * os: Windows => Unknown/Multiple * architecture: ia64 => Unknown/Multiple Comment: I can reproduce this bug on Linux. Change the let binding `fp` in `Main.hs` to the path of a file that contains: {{{ main::IO() main = print "Hello Fay" }}} Then: {{{ $ cabal install ghc-paths $ ghc-7.9.20141121 -package ghc Main.hs $ ./Main Main: Main: panic! (the 'impossible' happened) (GHC version 7.9.20141121 for x86_64-unknown-linux): mkNoCount: Breakpoint }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/7380#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler