#8758: GeneralizedNewtypeDeriving sometimes needs RankNTypes --------------------------------------------+------------------------------ Reporter: goldfire | Owner: goldfire Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type checker) | Version: 7.8.1-rc1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: None/Unknown | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: --------------------------------------------+------------------------------ Comment (by Richard Eisenberg <eir@…>): In [changeset:"8cc398ff8b3f7408327d99347f440693cb204c0a/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="8cc398ff8b3f7408327d99347f440693cb204c0a" Fix #8758 by assuming RankNTypes when checking GND code. }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8758#comment:1> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler