[GHC] #4914: FPU initialization required again

[GHC]

#4914: FPU initialization required again
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    Reporter:  aruiz             |        Owner:  simonmar                   
        Type:  bug               |       Status:  new                        
    Priority:  high              |    Milestone:  7.2.1                      
   Component:  Compiler (NCG)    |      Version:  7.0.1                      
    Keywords:                    |     Testcase:                             
   Blockedby:                    |   Difficulty:                             
          Os:  Unknown/Multiple  |     Blocking:                             
Architecture:  x86               |      Failure:  Incorrect result at runtime
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Comment(by simonmar):

 I took a quick look: GHC sometimes leaves the FPU stack pointer at a value
 other than 0, but the FPU stack is empty.  I think this happens because
 we're using `ffree` rather than popping the stack sometimes.  This
 shouldn't cause a problem, should it?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4914#comment:9>
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