[GHC] #11471: Kind polymorphism and unboxed types: bad things are happening

[GHC]

#11471: Kind polymorphism and unboxed types: bad things are happening
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        Reporter:  bgamari           |                Owner:  goldfire
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.10.3
  checker)                           |             Keywords:  TypeInType,
      Resolution:                    |  LevityPolymorphism
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1891
       Wiki Page:                    |
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Comment (by simonpj):

 Terrific.  So what happens with the examples in comment:1 and comment:2?
 Can we add tests for them?

 Also does this fix #11473?  Can we add a test for that?

 Ben, might you do these things?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11471#comment:18>
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