[GHC] #12913: Port SplitSections to Windows

[GHC]

#12913: Port SplitSections to Windows
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        Reporter:  olsner            |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.0.1
  (Linking)                          |
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #8405 #13939      |  Differential Rev(s):  Phab:D3382
       Wiki Page:                    |  Phab:D3383 Phab:D3523
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Comment (by bgamari):

 I have cherry-picked comment:15 into `ghc-8.2` and it will be present in
 8.2.1.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12913#comment:17>
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