[GHC] #10148: Optimization causes repeated computation

[GHC]

#10148: Optimization causes repeated computation
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        Reporter:  akio              |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.1-rc1
      Resolution:  fixed             |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |  stranal/should_run/T10148
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Changes (by thoughtpolice):

 * status:  merge => closed
 * resolution:   => fixed


Comment:

 Merged to `ghc-7.10` via 37f928aa8bb55f888ca6e22ec9f8605f695d0b44

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10148#comment:16>
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