[GHC] #10654: Better error message regarding type synonyms and PolyKinds

[GHC]

#10654: Better error message regarding type synonyms and PolyKinds
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        Reporter:  abbradar          |                   Owner:
            Type:  feature request   |                  Status:  closed
        Priority:  low               |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:  duplicate         |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Other             |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:  #10516            |                Blocking:
                                     |  Differential Revisions:
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Comment (by abbradar):

 Thanks and sorry for the duplicate, I will search better next time.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10654#comment:2>
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