[GHC] #2530: deriving Show adds extra parens for constructor with record syntax

[GHC]

#2530: deriving Show adds extra parens for constructor with record syntax
-------------------------------------+-------------------------------------
        Reporter:  spl               |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  6.8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D669
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by rwbarton):

 I assume hvr is joking, but you can never be sure...

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2530#comment:34>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler