#11833: GHC can't derive instance of polykinded typeclass for newtype that requires a class constraint -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: RyanGlScott Type: bug | Status: closed Priority: normal | Milestone: 8.0.2 Component: Compiler (Type | Version: 8.0.1 checker) | Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: #8865, #11837 | Differential Rev(s): Phab:D2112 Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * status: merge => closed Comment: Merged to `ghc-8.0` as 9cf69d33102aeae925c59d0ccc43a983f1c93081. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11833#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler