#11319: ImpredicativeTypes cause trouble (affects deriving of Traversable) -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 7.11 checker) | Keywords: Resolution: | ImpredicativeTypes Operating System: Linux | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Iceland_jack): GHCi (version 7.11.20151226) and Glasgow Haskell Compiler (version 7.11.20151226, stage 2 booted by GHC version 7.8.4). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11319#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler