[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:
            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):
       Wiki Page:                    |
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Comment (by Feuerbach):

 Turns out it does, but that's hardly a proper solution:

 1. It is very confusing for someone reading the code and not obvious for
 the one writing it
 2. It requires -XPatternSynonyms
 3. That's not what ghc suggests

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11164#comment:2>
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