[GHC] #4363: openFile sharing permissions are inconsistent across platforms

[GHC]

#4363: openFile sharing permissions are inconsistent across platforms
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    Reporter:  jystic            |        Owner:                             
        Type:  bug               |       Status:  new                        
    Priority:  high              |    Milestone:  7.4.1                      
   Component:  libraries/base    |      Version:  6.12.3                     
    Keywords:                    |     Testcase:                             
   Blockedby:                    |   Difficulty:                             
          Os:  Windows           |     Blocking:                             
Architecture:  Unknown/Multiple  |      Failure:  Incorrect result at runtime
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Comment(by jystic):

 What needs to be done to help move this item along? If I submit a patch
 for !HsBase.h would that help?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4363#comment:8>
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