[GHC] #2961: Incorrect FFI code generated with -O

[GHC]

#2961: Incorrect FFI code generated with -O
-------------------------------+--------------------------------------------
    Reporter:  sjanssen        |        Owner:  simonmar
        Type:  merge           |       Status:  reopened
    Priority:  normal          |    Milestone:  6.10.2  
   Component:  Compiler (FFI)  |      Version:  6.10.1  
    Severity:  normal          |   Resolution:          
    Keywords:                  |   Difficulty:  Unknown 
    Testcase:                  |           Os:  Linux   
Architecture:  x86_64 (amd64)  |  
-------------------------------+--------------------------------------------
Changes (by simonmar):

  * status:  closed => reopened
  * type:  bug => merge
  * resolution:  fixed =>

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2961#comment:3>
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