[GHC] #4281: Make impredicativity work properly

[GHC]

#4281: Make impredicativity work properly
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        Reporter:  simonpj           |                Owner:  simonpj
            Type:  task              |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Compiler          |              Version:  6.12.3
      Resolution:                    |             Keywords:
                                     |  ImpredicativeTypes
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * keywords:   => ImpredicativeTypes


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4281#comment:8>
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