[GHC] #5682: Properly parse promoted data constructor 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 Richard Eisenberg <eir@…>):

 In [changeset:"473f12a3be27a00b035f1fdc7050a0ff31bf12ff/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="473f12a3be27a00b035f1fdc7050a0ff31bf12ff"
 Fix #5682. Now, '(:) parses.
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5682#comment:11>
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