[GHC] #8406: Invalid object in isRetainer() or Segfault

[GHC]

#8406: Invalid object in isRetainer() or Segfault
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        Reporter:  crockeea          |                   Owner:
            Type:  bug               |                  Status:  infoneeded
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Runtime System    |                 Version:  7.8.3
      Resolution:                    |                Keywords:
Operating System:  Linux             |            Architecture:  x86_64
 Type of failure:  Runtime crash     |  (amd64)
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Changes (by thoughtpolice):

 * milestone:  7.10.2 => 7.12.1


Comment:

 (Moving to 7.12.1, as lack of updates means this is unlikely to be slated
 for 7.10.2)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8406#comment:13>
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