#11152: GND accepts ill-roled coercion when manually defining it won't typecheck -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 7.10.2 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 rwbarton): Well, I suppose there is still a bug in that the derived instance is not valid Haskell source as displayed, but there are other issues with it already (like the use of the qualified name `CoerceJoin.join`). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11152#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler