[GHC] #5682: Properly parse promoted data constructor operators (was: Properly parse kind operators (from promoted type operators))

[GHC]

#5682: Properly parse promoted data constructor operators
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        Reporter:  lunaris           |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:  7.6.2
       Component:  Compiler          |          Version:  7.3
  (Parser)                           |         Keywords:  PolyKinds, ghc-
      Resolution:                    |  kinds
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  GHC rejects       |       Difficulty:  Unknown
  valid program                      |       Blocked By:
       Test Case:                    |  Related Tickets:  #8486
        Blocking:                    |
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Comment (by dreixel):

 Richard, I agree that parsing promoted type operators (thus when parsing
 kinds) is trickier. Let's make this ticket be only about parsing promoted
 constructor operators (thus when parsing types), and leave #8706 for
 kinds.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5682#comment:10>
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