[GHC] #13245: Default FD buffer size is not a power of 2

[GHC]

#13245: Default FD buffer size is not a power of 2
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        Reporter:  nh2               |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |  https://phabricator.haskell.org/D3115
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Changes (by nh2):

 * differential:  D3115 => https://phabricator.haskell.org/D3115


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13245#comment:2>
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