[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:  closed
        Priority:  highest           |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.7
      Resolution:  fixed             |         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 Austin Seipp <aseipp@…>):

 In [changeset:e144ec8c37ba91c6bccedab31e7fa538691ec2db/testsuite]:
 {{{
 #!CommitTicketReference repository="testsuite"
 revision="e144ec8c37ba91c6bccedab31e7fa538691ec2db"
 Add a regression test (see #7953)

 Signed-off-by: Austin Seipp <aseipp at pobox.com>
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7953#comment:16>
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