[GHC] #8453: segfault/assertion failure with multi-threaded profiling

[GHC]

#8453: segfault/assertion failure with multi-threaded profiling
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        Reporter:  akio           |            Owner:  thoughtpolice
            Type:  bug            |           Status:  patch
        Priority:  high           |        Milestone:  7.8.1
       Component:  Profiling      |          Version:  7.7
      Resolution:                 |         Keywords:
Operating System:  Linux          |     Architecture:  x86_64 (amd64)
 Type of failure:  Runtime crash  |       Difficulty:  Unknown
       Test Case:                 |       Blocked By:  8402
        Blocking:                 |  Related Tickets:
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Changes (by thoughtpolice):

 * owner:  akio => thoughtpolice
 * priority:  normal => high
 * milestone:   => 7.8.1


Comment:

 This still needs a testcase.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8453#comment:7>
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