[GHC] #11431: GHC instantiates levity-polymorphic type variables with foralls

[GHC]

#11431: GHC instantiates levity-polymorphic type variables with foralls
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        Reporter:  gridaphobe        |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.1
      Resolution:  fixed             |             Keywords:
                                     |  TypeApplications,
                                     |  LevityPolymorphism
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 goldfire):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 This seems resolved. GHC now allows no impredicative polymorphism, even
 for levity-polymorphic values. Closing the ticket.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11431#comment:7>
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