[GHC] #10339: PatternSynonyms confuse exhaustiveness check

[GHC]

#10339: PatternSynonyms confuse exhaustiveness check
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        Reporter:  hvr               |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.8.1
      Resolution:  duplicate         |                Keywords:
                                     |  PatternSynonyms
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:  #8779             |  Differential Revisions:
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Changes (by cactus):

 * status:  new => closed
 * keywords:   => PatternSynonyms
 * resolution:   => duplicate
 * related:   => #8779


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10339#comment:3>
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