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

[GHC]

#4295: Review higher-rank and impredicative types
-------------------------------------+-------------------------------------
        Reporter:  simonpj           |                Owner:  simonpj
            Type:  task              |               Status:  infoneeded
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  6.12.3
  checker)                           |             Keywords:
      Resolution:                    |  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:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * keywords:   => ImpredicativeTypes


--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4295#comment:29>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler