#8128: Standalone deriving fails for GADTs due to inaccessible code ----------------------------------------------+---------------------------- Reporter: adamgundry | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type checker) | Version: 7.7 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects valid program | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: ----------------------------------------------+---------------------------- Comment (by monoidal): @carter: Regarding `Typeable 'Z`, you just need to write `deriving instance Typeable 'Z` and likewise for 'N. I don't know what's going on with `Data`. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8128#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler