[GHC] #14320: Brackets change meaning of value-constructor type

[GHC]

#14320: Brackets change meaning of value-constructor type
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        Reporter:  nr                |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.2.1
  checker)                           |             Keywords:  GADT,
      Resolution:                    |  existential type
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  GHC rejects       |  (amd64)
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 I think that'd be good, yes.  Parens should not get in the way.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14320#comment:2>
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