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

[GHC]

#9776: -frule-check flag not recognized without parameter
-------------------------------------+-------------------------------------
              Reporter:  jstolarek   |            Owner:  carlostome
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Driver      |          Version:  7.9
            Resolution:              |         Keywords:  newcomer
      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:  T9776       |  Related Tickets:
              Blocking:              |
Differential Revisions:  Phab:D503   |
-------------------------------------+-------------------------------------
Changes (by carlostome):

 * testcase:   => T9776
 * differential:   => Phab:D503


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9776#comment:4>
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