[GHC] #4895: hGetBufSome returns 0 when it should not

[GHC]

#4895: hGetBufSome returns 0 when it should not
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    Reporter:  guest             |       Owner:                             
        Type:  bug               |      Status:  new                        
    Priority:  normal            |   Component:  libraries/base             
     Version:  7.0.1             |    Keywords:                             
    Testcase:                    |   Blockedby:                             
          Os:  Linux             |    Blocking:                             
Architecture:  Unknown/Multiple  |     Failure:  Incorrect result at runtime
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 In the attached program hGetBufSome returns 0, but the handle contains
 more data to be read. This contradicts to the documentation.

 -- Takano Akio

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4895>
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