[GHC] #13677: Incorrect parenthesization of type in error message

[GHC]

#13677: Incorrect parenthesization of type in error message
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3570
       Wiki Page:                    |
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Comment (by simonpj):

 PS: no need to merge this... just tidying up

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13677#comment:7>
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