#13813: DeriveFunctor spuriously rejects existential context with type synonym mentioning the last type variable -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: patch Priority: normal | Milestone: Component: Compiler (Type | Version: 8.0.1 checker) | Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3635 Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => patch * differential: => Phab:D3635 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13813#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler