[GHC] #1371: Add -O3

[GHC]

#1371: Add  -O3
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    Reporter:  simonmar                    |       Owner:                  
        Type:  task                        |      Status:  new             
    Priority:  normal                      |   Milestone:  _|_             
   Component:  Compiler                    |     Version:  6.6.1           
    Keywords:                              |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple            |     Failure:  None/Unknown    
  Difficulty:  Moderate (less than a day)  |    Testcase:                  
   Blockedby:                              |    Blocking:                  
     Related:                              |  
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Changes (by dterei):

 * cc: dterei (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1371#comment:6>
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