#9580: Possible excessive leniency in interaction between coerce and data families? -------------------------------------+------------------------------------- Reporter: dmcclean | Owner: simonpj Type: bug | Status: closed Priority: low | Milestone: Component: Compiler | Version: 7.8.3 (Type checker) | Keywords: Resolution: fixed | Architecture: Unknown/Multiple Operating System: | Difficulty: Unknown Unknown/Multiple | Blocked By: Type of failure: | Related Tickets: None/Unknown | Test Case: indexed- | types/should_fail/T9580 | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by simonpj): Cam you give a concrete example? And compare with whatever [http://research.microsoft.com/en-us/um/people/simonpj/papers/ext-f/ the paper] says? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9580#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler