[GHC] #10971: ExtendedDefaultRules defaults to [] for Foldable/Traversable

[GHC]

#10971: ExtendedDefaultRules defaults to [] for Foldable/Traversable
-------------------------------------+-------------------------------------
        Reporter:  kanetw            |                Owner:  kanetw
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10963            |  Differential Rev(s):  phab:D1329
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by kanetw):

 * status:  new => patch
 * differential:   => phab:D1329


Comment:

 I implemented this a bit differently from what goldfire lined out. There's
 still just a single default list, but it accepts any kind now instead of
 only OpenKind.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10971#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler