[GHC] #11485: Very unhelpful message resulting from kind mismatch

[GHC]

#11485: Very unhelpful message resulting from kind mismatch
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        Reporter:  RyanGlScott       |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.0.1-rc1
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * cc: goldfire (added)


Comment:

 goldfire, I believe the kind equalities patch caused this, so I'm CC'ing
 you (specifically, it's `msg5` that's causing this:
 http://git.haskell.org/ghc.git/blobdiff/6e56ac58a6905197412d58e32792a04a63b94d7e..6746549772c5cc0ac66c0fce562f297f4d4b80a2:/compiler/typecheck/TcErrors.hs).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11485#comment:1>
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