[GHC] #14192: Change to 1TB VIRT allocation makes it impossible to core-dump Haskell programs

[GHC]

#14192: Change to 1TB VIRT allocation makes it impossible to core-dump Haskell
programs
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        Reporter:  nh2               |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  8.0.2
      Resolution:                    |             Keywords:  gdb,
                                     |  debugging
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #9706             |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 It sounds like maybe we should be setting `MADV_DONTDUMP` where available
 (and later revert it with `MADV_DODUMP`).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14192#comment:13>
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