[GHC] #4426: Simplify the rules for implicit quantification

[GHC]

#4426: Simplify the rules for implicit quantification
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              Reporter:  simonpj     |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:  7.12.1
              Priority:  highest     |          Version:  6.12.3
             Component:  Compiler    |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:  #7880
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D211   |
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Changes (by hvr):

 * milestone:  7.10.1 => 7.12.1


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4426#comment:19>
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