#7804: Ambiguity check too eager in presence of RankNTypes and TypeFamilies -------------------------------------------------+-------------------------- Reporter: goldfire | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.7 Resolution: fixed | Keywords: AmbiguityCheck Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: GHC rejects valid program | Difficulty: Unknown Testcase: indexed-types/should_compile/T7804 | Blockedby: Blocking: | Related: -------------------------------------------------+-------------------------- Changes (by simonpj): * status: new => closed * difficulty: => Unknown * resolution: => fixed * testcase: => indexed-types/should_compile/T7804 Comment: Quite right! This was trickier than I thought and, as the comment says, I'm still not happy. But this program should be fine, and it is now. Simon -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7804#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler