Re: [GHC] #12438: DeriveDataTypeable - deriving instance Data (Mu (Const ()))

#12438: DeriveDataTypeable - deriving instance Data (Mu (Const ())) -------------------------------------+------------------------------------- Reporter: lspitzner | Owner: Type: bug | Status: new Priority: normal | Milestone: 8.2.1 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: deriving Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D2726 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ryan Scott ): In [changeset:"3bd1dd4d75fde3b922d4de08c16f29bdeb8e05d7/ghc" 3bd1dd4/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="3bd1dd4d75fde3b922d4de08c16f29bdeb8e05d7" Add Data instance for Const Summary: Fixes #12438. As discussed on the Haskell libraries mailing list here: https://mail.haskell.org/pipermail/libraries/2016-November/027396.html Reviewers: hvr, austin, bgamari Reviewed By: bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2726 GHC Trac Issues: #12438 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12438#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler