[GHC] #4295: Review higher-rank and impredicative types

[GHC]

#4295: Review higher-rank and impredicative types
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        Reporter:  simonpj           |                   Owner:  simonpj
            Type:  task              |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler (Type    |                 Version:  6.12.3
  checker)                           |                Keywords:
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Changes (by thomie):

 * type:  bug => task
 * component:  Compiler => Compiler (Type checker)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4295#comment:24>
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