[GHC] #11972: Weak pointers can cause segfault

[GHC]

#11972: Weak pointers can cause segfault
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        Reporter:  ryantrinkle       |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1-rc3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:  x86_64
                                     |  (amd64)
 Type of failure:  Runtime crash     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11108            |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by jme):

 * related:   => #11108


Comment:

 This appears to be the same issue as #11108.  If you need a workaround,
 try running with `+RTS -G1 -RTS`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11972#comment:2>
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