[GHC] #8582: Record syntax for pattern synonyms

[GHC]

#8582: Record syntax for pattern synonyms
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        Reporter:  cactus            |            Owner:  cactus
            Type:  feature request   |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:  5144
        Blocking:                    |  Related Tickets:
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Comment (by cactus):

 Now that I am parsing pattern synonym declarations using the pattern
 parser (using the same trick as used by the data constructor parser), and
 typechecking a pattern synonym can add deferred bindings, this should at
 least be somewhat simpler to implement.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8582#comment:1>
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