#8278: Improve error message when the same type is imported from two different library versions -------------------------------------+------------------------------------ Reporter: Yuras | Owner: Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Comment (by Yuras): And related request: in the same situation (two versions of the same library) when instance of class A for bytestring-0.9.2.1:Data.ByteString.Internal.ByteString is in scope, but the instance for ByteString is not in scope, is it possible to add a special note? Realworld case: http://stackoverflow.com/questions/11068272/acid-state- monadstate-instance-for-update -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8278#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler