[GHC] #9901: Error message: f is applied to two arguments, but its type has only two (sic)

[GHC]

#9901: Error message: f is applied to two arguments, but its type has only two
(sic)
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              Reporter:  zardoz      |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.3
  (Type checker)                     |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by simonpj):

 Would you care to give a test case?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9901#comment:1>
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