[GHC] #15382: heapprof001 segfaults in prof_hc_hb way on i386

[GHC]

#15382: heapprof001 segfaults in prof_hc_hb way on i386
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.10.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:  ci-breakage
Operating System:  Unknown/Multiple  |         Architecture:  x86
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #15463            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by RyanGlScott):

 I believe the failure in comment:11 has been previously reported as
 #16100. It's worth noting that two other tests besides `heapprof001`
 (`T11627a` and `T949`) have also been observed to exhibit this
 `LDV_recordDead` panic.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15382#comment:12>
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