[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:  new
        Priority:  normal         |        Milestone:
       Component:  Compiler       |          Version:  7.6.3
      Resolution:                 |         Keywords:
Operating System:  Linux          |     Architecture:  x86_64 (amd64)
 Type of failure:  Runtime crash  |       Difficulty:  Unknown
       Test Case:                 |       Blocked By:
        Blocking:                 |  Related Tickets:
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Changes (by bgamari):

 * cc: bgamari@? (added)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8406#comment:4>
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