[GHC] #15980: unpin a mutable byte array

[GHC]

#15980: unpin a mutable byte array
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        Reporter:  andrewthad        |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.6.3
       Component:  Compiler          |              Version:  8.6.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by andrewthad):

 Yeah, the fact that they live in a separate part of the heap seems pretty
 damning. I think I'll just have to accept that this cannot be done. At
 least, not without large changes to GHC's runtime.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15980#comment:3>
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