[GHC] #3878: doesFileExist doesn't work for some /dev files in ghc 6.12

[GHC]

#3878: doesFileExist doesn't work for some /dev files in ghc 6.12
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    Reporter:  marcotmarcot    |        Owner:                             
        Type:  bug             |       Status:  new                        
    Priority:  normal          |    Milestone:  6.12.2                     
   Component:  Compiler        |      Version:  6.12.1                     
    Keywords:                  |   Difficulty:                             
          Os:  Linux           |     Testcase:                             
Architecture:  x86_64 (amd64)  |      Failure:  Incorrect result at runtime
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Changes (by igloo):

  * milestone:  => 6.12.2


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3878#comment:2>
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