[GHC] #10007: Fix misattribution of Cost Centre profiles to lintAnnots

[GHC]

#10007: Fix misattribution of Cost Centre profiles to lintAnnots
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        Reporter:  thoughtpolice     |                   Owner:  scpmw
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.10.3
       Component:  Profiling         |                 Version:  7.10.1-rc1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Incorrect result  |  Unknown/Multiple
  at runtime                         |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:  #9961             |  Differential Revisions:  Phab:D616
                                     |  Phab:D636
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Comment (by bgamari):

 scpmw, I've tested Simon's suggestion on `master` and it appears to work
 for me. Costs are correctly attributed to cost-centers beneath
 `lintAnnots`. I'll be merging this to `master`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10007#comment:12>
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