[GHC] #9770: GHC Parser fails on Haddock comment on parameter of a function record field

[GHC]

#9770: GHC Parser fails on Haddock comment on parameter of a function record field
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       Reporter:  boris              |                   Owner:
           Type:  bug                |                  Status:  new
       Priority:  normal             |               Milestone:
      Component:  Compiler (Parser)  |                 Version:  7.8.3
       Keywords:  Haddock            |        Operating System:
   Architecture:  Unknown/Multiple   |  Unknown/Multiple
     Difficulty:  Unknown            |         Type of failure:
     Blocked By:                     |  None/Unknown
Related Tickets:                     |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
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 I tried to document parameter of a function that is a record field. The
 Haddock fails with
 parse error on input ‘->’

 {{{
 data D = D {
   field :: () -- ^ parameter
         -> ()
 }
 }}}

 Please see https://github.com/haskell/haddock/issues/343

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9770>
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