[GHC] #10189: explicit promotions of prefix data constructors can't be parsed naturally

[GHC]

#10189: explicit promotions of prefix data constructors can't be parsed naturally
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        Reporter:  Kinokkory         |                Owner:  Kinokkory
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  7.8.4
  (Parser)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10188            |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by dfeuer):

 * milestone:   => 8.6.1


Comment:

 This is still horribly confusing and unexpected. I also don't think it's
 documented. I'm definitely in the "just fix it" camp.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10189#comment:12>
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