[GHC] #8944: Warn instead of stopping on misplaced Haddock comments

[GHC]

#8944: Warn instead of stopping on misplaced Haddock comments
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              Reporter:  Fuuzetsu    |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:
              Priority:  normal      |          Version:  7.9
             Component:  Compiler    |         Keywords:
  (Parser)                           |     Architecture:  Unknown/Multiple
            Resolution:              |       Difficulty:  Unknown
      Operating System:              |       Blocked By:
  Unknown/Multiple                   |  Related Tickets:
       Type of failure:              |
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by rodlogic):

 I have a fix for this in https://phabricator.haskell.org/D452. However, I
 just realized that I forgot to create a specific option for this warning.
 But does this even need an option??

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8944#comment:2>
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