[GHC] #4012: Compilation results are not deterministic

[GHC]

#4012: Compilation results are not deterministic
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        Reporter:  kili              |                   Owner:  niteria
            Type:  bug               |                  Status:  patch
        Priority:  high              |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  6.12.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D1073
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"7ec07e4027826ad92cf651798cc4b5b9eea34a18/ghc"
 7ec07e40/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="7ec07e4027826ad92cf651798cc4b5b9eea34a18"
 Slight refactoring to the fix for #4012

 Add CoreSyn.chooseOrphanAnchor, and use it
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4012#comment:112>
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