[GHC] #9858: Typeable instances should be kind-aware

[GHC]

#9858: Typeable instances should be kind-aware
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        Reporter:  dreixel           |                   Owner:  dreixel
            Type:  bug               |                  Status:  new
        Priority:  highest           |               Milestone:  7.10.1
       Component:  Compiler          |                 Version:  7.9
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by goldfire):

 I think your plan (of more defaulting to `*`) would break less code, but I
 think that someone saying `Proxy Proxy` without thinking about kinds yet
 specifying `PolyKinds` has made a mistake. After all, the goal is to make
 the `TypeRep` for `Proxy :: * -> *` and `Proxy :: Bool -> *` different. We
 should expect the user to specify which one they want.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9858#comment:60>
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