[GHC] #12935: Object code produced by GHC is non-deterministic

[GHC]

#12935: Object code produced by GHC is non-deterministic
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by ravi_n):

 What's involved in fixing this? Is it just plugging away at a list of
 known sources of non-determinism or is it more complicated than that?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12935#comment:4>
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