[GHC] #10194: Shouldn't this require ImpredicativeTypes?

[GHC]

#10194: Shouldn't this require ImpredicativeTypes?
-------------------------------------+-------------------------------------
        Reporter:  kosmikus          |                   Owner:
            Type:  bug               |                  Status:  merge
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.8.4
  checker)                           |                Keywords:
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  GHC accepts       |               Test Case:
  invalid program                    |  typecheck/should_fail/T10194
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * status:  new => merge
 * testcase:   => typecheck/should_fail/T10194


Comment:

 Excellent point. Fixed.

 (I doubt this is worth the trouble of merging to 7.10.2, but could be.)

 Simon

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10194#comment:5>
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