[GHC] #8742: Reuse scavenge_small_bitmap

[GHC]

#8742: Reuse scavenge_small_bitmap
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        Reporter:  Tarrasch          |            Owner:
            Type:  task              |           Status:  new
        Priority:  lowest            |        Milestone:  7.10.1
       Component:  Runtime System    |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Changes (by simonmar):

 * owner:  simonmar =>
 * status:  patch => new


Comment:

 Sure.  Just update the patch here to include those too.

 If you could check that the generated code is exactly the same that would
 be good.  I suspect I inlined these things by hand out of paranoia.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8742#comment:4>
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