#14203: GHC-inferred type signature doesn't actually typecheck -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 8.2.1 checker) | Keywords: TypeInType, Resolution: | TypeFamilies Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by RyanGlScott): I can accept that the second program (with `MkBar`) would be ambiguous, but I don't understand what is wrong with the original program (with `SMkSigma`), especially the form when an explicit `forall`. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14203#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler