[GHC] #10899: Polytype accepted in RHS of default associated type

[GHC]

#10899: Polytype accepted in RHS of default associated type
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                   Owner:  goldfire
            Type:  bug               |                  Status:  merge
        Priority:  normal            |               Milestone:  7.10.3
       Component:  Compiler          |                 Version:  7.10.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:  indexed-
                                     |  types/should_fail/T10899
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D1262
-------------------------------------+-------------------------------------
Changes (by goldfire):

 * status:  patch => merge
 * testcase:   => indexed-types/should_fail/T10899


Comment:

 It's worth merging this one.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10899#comment:3>
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