[GHC] #4096: New primops for indexing: index*OffAddrUsing# etc

[GHC]

#4096: New primops for indexing: index*OffAddrUsing# etc
-------------------------------------+-------------------------------------
              Reporter:  simonpj     |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:  7.10.1
              Priority:  low         |          Version:  6.12.2
             Component:  Compiler    |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:  Runtime     |  Related Tickets:
  performance bug                    |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
Changes (by thomie):

 * difficulty:   => Unknown
 * failure:  None/Unknown => Runtime performance bug


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4096#comment:7>
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