[GHC] #3961: -O results in incorrect behavior on Mac OS X

[GHC]

#3961: -O results in incorrect behavior on Mac OS X
-------------------------+--------------------------------------------------
    Reporter:  RichardG  |        Owner:                             
        Type:  bug       |       Status:  new                        
    Priority:  normal    |    Milestone:                             
   Component:  Compiler  |      Version:  6.12.1                     
    Keywords:            |   Difficulty:                             
          Os:  MacOS X   |     Testcase:                             
Architecture:  x86       |      Failure:  Incorrect result at runtime
-------------------------+--------------------------------------------------

Comment(by simonpj):

 I suspect this is related to #3959, which I'm working on.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3961#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler