#8563: Deriving with PolyKinds broken -------------------------------------+------------------------------------ Reporter: edsko | Owner: nomeata Type: bug | Status: new Priority: high | 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: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Comment (by nomeata): The problem seems to be in `toHsType` in `HsUtils`; if I do {{{ to_hs_type (TyConApp tc args) = nlHsTyConApp (getRdrName tc) (map toHsType args') where args' = filter (not . isKind) args }}} it works. (Which make sense: In Core types, we want kinds; in the user- visible type that `toHsType` provides us, we don’t want them). Do you agree? Running validate right now... -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8563#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler