[GHC] #7836: "Invalid object in processHeapClosureForDead" when profiling with -hb (was: Runtime failure profiling with +RTS -hc -hbdrag, void)

[GHC]

#7836: "Invalid object in processHeapClosureForDead" when profiling with -hb
-------------------------------------+-------------------------------------
              Reporter:  hyperthunk  |            Owner:
                  Type:  bug         |           Status:  infoneeded
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Profiling   |          Version:  7.4.2
            Resolution:              |         Keywords:  profiling osx
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:  Runtime     |       Blocked By:
  crash                              |  Related Tickets:  #9640
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
Changes (by thomie):

 * os:  MacOS X => Unknown/Multiple
 * architecture:  x86_64 (amd64) => Unknown/Multiple
 * related:   => #9640


Comment:

 See #9640 for a report of this problem when profiling `Yi` with 7.8.3. I
 don't think this is an OS X only problem.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7836#comment:11>
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