[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:  akio
            Type:  bug            |           Status:  patch
        Priority:  normal         |        Milestone:
       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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Comment (by Austin Seipp <austin@…>):

 In [changeset:"1082f21b1eaf7b380daefb864959e6cfad1aeec7/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="1082f21b1eaf7b380daefb864959e6cfad1aeec7"
 Fix a race condition when PROFILING (#8453)

 Signed-off-by: Austin Seipp <austin at well-typed.com>
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8453#comment:5>
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