[GHC] #8242: Infinite loop with addCFinalizerToWeak

[GHC]

#8242: Infinite loop with addCFinalizerToWeak
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        Reporter:  akio                         |            Owner:
            Type:  bug                          |           Status:  patch
        Priority:  normal                       |        Milestone:
       Component:  Runtime System               |          Version:  7.6.3
      Resolution:                               |         Keywords:
Operating System:  Linux                        |     Architecture:  x86_64
 Type of failure:  Incorrect result at runtime  |  (amd64)
       Test Case:  T8242                        |       Difficulty:
        Blocking:                               |  Unknown
                                                |       Blocked By:
                                                |  Related Tickets:
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Changes (by akio):

 * status:  new => patch


Comment:

 The test now passes on Windows. Also I found a bug in the test case where
 a dangling pointer is dereferenced, so I attached a patch to fix it.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8242#comment:15>
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