#12017: GHC panics on pattern synonym ‘kindPrimRep’ -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.1 Resolution: | Keywords: | PatternSynonyms Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Iceland_jack): Simplied {{{#!hs {-# Language PatternSynonyms, GADTs #-} data Exp a where Constant :: a -> Exp a pattern MkBool :: Bool -> Exp Bool pattern MkBool bool = Constant bool pattern Tru :: Exp Bool pattern Tru = MkBool True }}} this breaks my stuff, but it's easy to work around. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12017#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler