[GHC] #1290: ghc runs preprocessor too much

[GHC]

#1290: ghc runs preprocessor too much
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    Reporter:  guest             |       Owner:                  
        Type:  bug               |      Status:  new             
    Priority:  normal            |   Milestone:  _|_             
   Component:  Driver            |     Version:  6.7             
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Changes (by morabbin):

  * failure:  => None/Unknown


Comment:

 Still difficult ...

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1290#comment:6>
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