[GHC] #8323: explore ways to possibly use more tag bits in x86_64 pointers

[GHC]

#8323: explore ways to possibly use more tag bits in x86_64 pointers
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        Reporter:  carter   |            Owner:
            Type:  task     |           Status:  new
        Priority:  normal   |        Milestone:  7.10.1
       Component:           |          Version:  7.7
  Compiler                  |         Keywords:
      Resolution:           |     Architecture:  x86_64 (amd64)
Operating System:           |       Difficulty:  Project (more than a week)
  Unknown/Multiple          |       Blocked By:
 Type of failure:           |  Related Tickets:
  None/Unknown              |
       Test Case:           |
        Blocking:           |
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Changes (by carter):

 * difficulty:  Unknown => Project (more than a week)
 * version:  7.6.3 => 7.7
 * architecture:  Unknown/Multiple => x86_64 (amd64)
 * milestone:   => 7.10.1


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8323#comment:1>
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