[GHC] #11972: Weak pointers can cause segfault

[GHC]

#11972: Weak pointers can cause segfault
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        Reporter:  ryantrinkle       |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1-rc3
      Resolution:  duplicate         |             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 niteria):

 * status:  new => closed
 * resolution:   => duplicate


Comment:

 You're right, this is exactly the same as #11108, I poked around yesterday
 and reached the same conclusion as you here:
 https://ghc.haskell.org/trac/ghc/ticket/11108#comment:7

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11972#comment:3>
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