[GHC] #4442: Add unaligned version of indexWordArray#

[GHC]

#4442: Add unaligned version of indexWordArray#
-------------------------------------+-------------------------------------
              Reporter:  tibbe       |            Owner:  ekmett
                  Type:  feature     |           Status:  new
  request                            |        Milestone:  7.10.1
              Priority:  low         |          Version:  7.1
             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):

 * failure:  None/Unknown => Runtime performance bug
 * component:  Core Libraries => Compiler


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4442#comment:10>
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