[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:  normal      |        Milestone:  7.10.1
             Component:  Compiler    |          Version:  6.12.2
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Difficult (2-5
       Type of failure:  Other       |  days)
             Test Case:              |       Blocked By:
              Blocking:              |  Related Tickets:
Differential Revisions:              |
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Comment (by Fuuzetsu):

 I just had a problem due to this on NixOS, what would be the way to push
 this ticket forward bar fixing it myself? I'm afraid that it will just
 keep getting the milestone bumped forever.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4012#comment:49>
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