[GHC] #4427: hGetBuf sometimes reads fewer bytes than required

[GHC]

#4427: hGetBuf sometimes reads fewer bytes than required
-------------------------------+--------------------------------------------
    Reporter:  rl              |        Owner:                             
        Type:  bug             |       Status:  new                        
    Priority:  highest         |    Milestone:  7.0.1                      
   Component:  libraries/base  |      Version:  7.1                        
    Keywords:                  |     Testcase:                             
   Blockedby:                  |   Difficulty:                             
          Os:  Windows         |     Blocking:                             
Architecture:  x86             |      Failure:  Incorrect result at runtime
-------------------------------+--------------------------------------------
Changes (by igloo):

  * priority:  normal => highest
  * milestone:  => 7.0.1


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4427#comment:1>
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