#7795: panic! the impossible happened ---------------------------------+------------------------------------------ Reporter: guest | Owner: Type: bug | Status: closed Priority: normal | Component: GHCi Version: 7.4.2 | Resolution: duplicate Keywords: | Os: Windows Architecture: Unknown/Multiple | Failure: None/Unknown Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by monoidal): * status: new => closed * resolution: => duplicate Comment: This is caused by `deriving (show)`, which should be `deriving (Show)`. The bug is already fixed in GHC 7.6 (see #5961 and http://hackage.haskell.org/trac/ghc/wiki/ReportABug). -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7795#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler