[GHC] #15987: GHC sometimes not computing open type family application in kind inference

[GHC]

#15987: GHC sometimes not computing open type family application in kind inference
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        Reporter:  sheaf             |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12088, #12643,   |  Differential Rev(s):
  #14668, #15561                     |
       Wiki Page:                    |
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Comment (by sheaf):

 Thank you very much for that information Ryan. I can confirm that the
 Template Haskell hack has saved my biscuit. Sorry about the duplicate!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15987#comment:3>
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