[GHC] #10209: parser: opt_kind_sig has incorrect SrcSpan

[GHC]

#10209: parser: opt_kind_sig has incorrect SrcSpan
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        Reporter:  alanz             |                   Owner:  alanz
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.1
  (Parser)                           |                Keywords:
      Resolution:                    |  ApiAnnotations
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Other             |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:  Phab:D813
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Comment (by jstolarek):

 My two cents: this part of the parser will be touched by Phab:D202 once it
 is merged.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10209#comment:7>
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