[GHC] #7953: Segfault on x86 with -O2

[GHC]

#7953: Segfault on x86 with -O2
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        Reporter:  igloo             |            Owner:  simonmar
            Type:  bug               |           Status:  new
        Priority:  highest           |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.7
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  x86
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by kazu-yamamoto):

 Oh, it's magical. I cannot reproduce this on Linux.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7953#comment:12>
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