[GHC] #9776: -frule-check flag not recognized without parameter

[GHC]

#9776: -frule-check flag not recognized without parameter
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              Reporter:  jstolarek   |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Driver      |          Version:  7.9
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Moderate (less
       Type of failure:  Incorrect   |  than a day)
  warning at compile-time            |       Blocked By:
             Test Case:              |  Related Tickets:
              Blocking:              |
Differential Revisions:              |
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Comment (by jstolarek):

 As a side note: this is clearly a debugging flag. Perhaps we should change
 its name to `-ddump-rule-check`?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9776#comment:1>
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