#8567: Poor error message when GeneralizedNewtypeDeriving fails -------------------------------------+------------------------------------ Reporter: goldfire | Owner: nomeata Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.7 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 Joachim Breitner <mail@…>): In [changeset:"1791ea0abf446bc7221f713d715f4bf87dc6af47/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="1791ea0abf446bc7221f713d715f4bf87dc6af47" Print nicer error message for Coercible errors It now reads Could not coerce from ‛S a’ to ‛S (NT a)’ and does not mention Coercible any more (as discussed in #8567). }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8567#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler