[GHC] #11249: Type Synonyms cause Ambiguous Types

[GHC]

#11249: Type Synonyms cause Ambiguous Types
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        Reporter:  crockeea          |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 Works in HEAD (and hence in upcoming 8.0).  I'll add a regression test at
 least.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11249#comment:2>
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