[GHC] #5437: hSetEncoding resource leak on Linux

[GHC]

#5437: hSetEncoding resource leak on Linux
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    Reporter:  guest   |       Owner:                
        Type:  bug     |      Status:  new           
    Priority:  normal  |   Component:  libraries/base
     Version:  6.12.1  |    Keywords:                
    Testcase:          |   Blockedby:                
          Os:  Linux   |    Blocking:                
Architecture:  x86     |     Failure:  Runtime crash 
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Comment(by daniel.is.fischer):

 Reproduced with 6.12.3 on x86 and x86_64 (linux), but no problem with
 7.0.4 or 7.2.1 even for 10 million. Looks fixed.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5437#comment:1>
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