[GHC] #4012: Compilation results are not deterministic

[GHC]

#4012: Compilation results are not deterministic
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        Reporter:  kili              |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  6.12.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Other             |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by puffnfresh):

 My gist also seems to suggest CSE is involved, right?

 I can reproduce comment:76 with 7.10 but with master I can not. I'd like
 to look into this more but I can't find anything easily reproducible with
 master.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4012#comment:97>
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