[GHC] #8317: Optimize tagToEnum# at Core level

[GHC]

#8317: Optimize tagToEnum# at Core level
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        Reporter:  jstolarek         |                   Owner:
            Type:  task              |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.7
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:  8326              |               Test Case:
 Related Tickets:  #6135             |                Blocking:
                                     |  Differential Revisions:  Phab:D343
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Changes (by jstolarek):

 * owner:  jstolarek =>


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8317#comment:8>
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