#10991: Don't permit type variables in the context unless they are in the type -------------------------------------+------------------------------------- Reporter: bernalex | Owner: bernalex Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: checker) | Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: GHC accepts | Unknown/Multiple invalid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by bernalex): Interesting. It seems to only accept the ill-typed code in GHCi. {{{ λ let f :: Eq a => b -> b; f b = b λ :t f f :: b -> b }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10991#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler