
#12882: Unexpected constraint when using ExistentialQuantification -------------------------------------+------------------------------------- Reporter: danilo2 | Owner: Type: bug | Status: new Priority: high | Milestone: Component: Compiler (Type | Version: 8.0.1 checker) | Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by mpickering): Can you paste your whole file please? It isn't clear which extensions you have turned on to get the first example to compile. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12882#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler