[GHC] #9646: Simplifer non-determinism leading to 8 fold difference in run time performance

[GHC]

#9646: Simplifer non-determinism leading to 8 fold difference in run time
performance
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        Reporter:  erikd             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Test Suite        |              Version:  7.8.3
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  Runtime           |  (amd64)
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by erikd):

 Really close to having this pared down enough to add to the test suite.
 Since this issue was actually fixed before the 7.10.2 release its not a
 problem that the test doesn't get added to 7.10.3.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9646#comment:20>
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