[GHC] #12777: reify yields the wrong type in the presence of functional dependencies

[GHC]

#12777: reify yields the wrong type in the presence of functional dependencies
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        Reporter:                    |                Owner:
  facundo.dominguez                  |
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.0.2
       Component:  Template Haskell  |              Version:  8.0.1
      Resolution:                    |             Keywords:  template-
                                     |  haskell reify
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 goldfire):

 Calling `simplifyTop` multiple times should be OK, as long as it's passed
 different constraints each time. Actually seems reasonable here.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12777#comment:5>
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