[GHC] #9616: Incorrect numbers from HpcMarkup.markup_plugin

[GHC]

#9616: Incorrect numbers from HpcMarkup.markup_plugin
-------------------------------------+-------------------------------------
       Reporter:  dfeuer             |                   Owner:
           Type:  bug                |                  Status:  new
       Priority:  normal             |               Milestone:
      Component:  Code Coverage      |                 Version:  7.9
       Keywords:                     |        Operating System:
   Architecture:  Unknown/Multiple   |  Unknown/Multiple
     Difficulty:  Easy (less than 1  |         Type of failure:  Incorrect
  hour)                              |  result at runtime
     Blocked By:                     |               Test Case:
Related Tickets:                     |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------
 `showBigNum` in the `openTick` function accidentally puts 0s in the wrong
 place when formatting large numbers. 12345 will be formatted as 120,345
 instead of 012,345. The correct answer is probably to add some locale-
 specific numeric formatting stuff somewhere, but until then, I'll just fix
 this.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9616>
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