[GHC] #5144: Pattern synonyms

[GHC]

#5144: Pattern synonyms
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        Reporter:  simonpj                 |            Owner:  cactus
            Type:  feature request         |           Status:  new
        Priority:  normal                  |        Milestone:  _|_
       Component:  Compiler                |          Version:
      Resolution:                          |         Keywords:
Operating System:  Unknown/Multiple        |     Architecture:
 Type of failure:  None/Unknown            |  Unknown/Multiple
       Test Case:                          |       Difficulty:  Unknown
        Blocking:  8581, 8582, 8583, 8584  |       Blocked By:
                                           |  Related Tickets:
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Comment (by cactus):

 I've added test cases to the `pattern-synonym` branch of
 https://github.com/gergoerdi/ghc-testsuite.git

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5144#comment:40>
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