#5498: Generalized newtype deriving allows creating of instances I can't create by hand -------------------------------------+------------------------------------ Reporter: dterei | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.6.2 Component: Compiler | Version: 7.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: 1496 Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by goldfire): * difficulty: => Unknown Comment: See [wiki:Roles] for the concrete approach toward a solution to the seg- faulting problem. Roles won't fix the abstraction problem that is the main subject of this ticket, though. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/5498#comment:8 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler