#11172: Turning on optimisations produces SEGFAULT or Impossible case alternative -------------------------------------+------------------------------------- Reporter: nh2 | Owner: bgamari Type: bug | Status: new Priority: highest | Milestone: 8.0.1 Component: Compiler | Version: 7.10.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): jscholl: very very helpful, thank you. With your nice small case I nailed the bug in 15 mins. Patch coming. Simon -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11172#comment:25 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler