#8908: ghc: panic! (the 'impossible' happened) ------------------------------------+--------------------------------- Reporter: sledged | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Linux Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+--------------------------------- ghc: panic! (the 'impossible' happened) (GHC version 7.4.1 for x86_64-unknown-linux): compiler/rename/RnSource.lhs:429:14-81: Irrefutable pattern failed for pattern Data.Maybe.Just (inst_tyvars, _, SrcLoc.L _ cls, _) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8908 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler