[GHC] #10114: Kind mismatches with AnyK in rank-2 types

[GHC]

#10114: Kind mismatches with AnyK in rank-2 types
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        Reporter:  cam               |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.8.4
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by goldfire):

 What about

 {{{
 type T k2 = forall k1 (f :: k1 -> k2) (a :: k1). f a
 }}}

 That makes `T :: forall k2. k2`. That's a well-formed kind, but it looks
 awfully like the type of `undefined`... but I don't know if that's a
 problem.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10114#comment:2>
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