[GHC] #13108: Improve poor Access Violation reporting on Windows

[GHC]

#13108: Improve poor Access Violation reporting on Windows
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        Reporter:  awson             |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by awson):

 * Attachment "av_diagnostics_improvement.patch" added.


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13108>
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