[GHC] #1874: getDirectoryContents yields "invalid argument" instead of "permission error"

[GHC]

#1874: getDirectoryContents yields "invalid argument" instead of "permission
error"
------------------------------------------------------------------+---------
 Reporter:  Orphi                                                 |          Owner:             
     Type:  bug                                                   |         Status:  new        
 Priority:  lowest                                                |      Milestone:  6.8.3      
Component:  libraries/directory                                   |        Version:  6.8.1      
 Severity:  normal                                                |     Resolution:             
 Keywords:                                                        |     Difficulty:  Easy (1 hr)
 Testcase:  getDirectoryContents "C:\\System Volume Information"  |   Architecture:  x86        
       Os:  Windows                                               |  
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Comment (by igloo):

 XP Pro, according to the welcome screen.

 Can you describe how you made the directory please?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1874#comment:6>
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