[GHC] #8582: Record syntax for pattern synonyms

[GHC]

#8582: Record syntax for pattern synonyms
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        Reporter:  cactus            |                   Owner:  mpickering
            Type:  feature request   |                  Status:  new
        Priority:  high              |               Milestone:  8.0.1
       Component:  Compiler          |                 Version:
      Resolution:                    |                Keywords:
                                     |  PatternSynonyms
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:  5144              |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D1152
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Comment (by goldfire):

 Some idle thought has spurred on some questions about the design of this
 feature. See
 [https://ghc.haskell.org/trac/ghc/wiki/PatternSynonyms#Trickybits a new
 section on the wiki page].

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8582#comment:9>
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