[GHC] #10120: Unnecessary code duplication from case analysis

[GHC]

#10120: Unnecessary code duplication from case analysis
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        Reporter:  bgamari           |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1-rc2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by simonpj):

 I don't yet understand #10124, but I've left a comment there. Meanwhile,
 what remains of this ticket?  What do you expect/want GHC to do, under
 what circumstances?

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10120#comment:13>
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