[GHC] #11164: No way to import a data instance

[GHC]

#11164: No way to import a data instance
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        Reporter:  Feuerbach         |                Owner:  kanetw
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  phab:D1573
       Wiki Page:                    |
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Comment (by simonpj):

 I know that the syntax remains unchanged.  But the semantics does not.
 And the opening section of 7.7.4 is all about semantics. There are four
 bullets at the moment and we need a fifth.  An example illustrates, but
 this is the specification!

 Thanks

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11164#comment:12>
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