[GHC] #8109: Type family patterns should support as-patterns.

[GHC]

#8109: Type family patterns should support as-patterns.
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        Reporter:  carlhowells       |                Owner:  qnikst
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.6.3
      Resolution:                    |             Keywords:  newcomer,
                                     |  TypeFamilies
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 ThrashAbaddon):

 * cc: ThrashAbaddon (added)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8109#comment:8>
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