[GHC] #14818: Provide highestOneBit function in Data.Bits module

[GHC]

#14818: Provide highestOneBit function in Data.Bits module
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        Reporter:  kostmo            |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  libraries/base    |              Version:  8.2.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #4102             |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * related:   => #4102


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14818#comment:5>
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