#11465: Eliminate check_lifted check in TcValidity -------------------------------------+------------------------------------- Reporter: simonpj | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D1807 Wiki Page: | -------------------------------------+------------------------------------- Comment (by bgamari): Things seem to work about as one would expect with Phab:D1807. However, this error could use a bit of work, {{{ λ> :set -XTypeInType -XDataKinds -XKindSignatures -XMagicHash λ> import GHC.Exts λ> class Eq Char# where (==) = undefined <interactive>:3:10: error: Unexpected type ‘Char#’ In the class declaration for ‘Eq’ A class declaration should have form class Eq a where ... }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11465#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler