#13813: DeriveFunctor spuriously rejects existential context with type synonym mentioning the last type variable -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: 8.4.1 Component: Compiler (Type | Version: 8.0.1 checker) | Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: GHC rejects | Test Case: valid program | deriving/should_compile/T13813 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3635 Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * testcase: => deriving/should_compile/T13813 * status: patch => closed * resolution: => fixed * milestone: => 8.4.1 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13813#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler