#8503: New GeneralizedNewtypeDeriving check still isn't permissive enough -------------------------------------+------------------------------------ Reporter: goldfire | Owner: goldfire Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.7 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: 8548 Blocking: | Related Tickets: #8541 -------------------------------------+------------------------------------ Comment (by nomeata): My analysis in the previous comment was wrong; SPJ found out that the problem seems to lie in the calculation of defined and used variables for derived instances. Debugging... -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8503#comment:36 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler