[GHC] #4199: createDirectoryIfMissing fails if directory exists on 32-bit windows

[GHC]

#4199: createDirectoryIfMissing fails if directory exists on 32-bit windows
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    Reporter:  creswick             |        Owner:               
        Type:  bug                  |       Status:  new          
    Priority:  normal               |    Milestone:               
   Component:  libraries/directory  |      Version:  6.12.1       
    Keywords:                       |   Difficulty:               
          Os:  Windows              |     Testcase:               
Architecture:  x86                  |      Failure:  Runtime crash
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Comment(by simonmar):

 Does it make a difference whether you use `-threaded` or not?  (I know of
 one bug in this area)

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4199#comment:1>
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