[GHC] #9052: Support a "stable heap" which doesn't get garbage collected

[GHC]

#9052: Support a "stable heap" which doesn't get garbage collected
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        Reporter:  ezyang            |                Owner:  simonmar
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  7.9
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1264
       Wiki Page:                    |
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Comment (by heisenbug):

 Isn't this implemented now?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9052#comment:5>
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