[GHC] #8147: Exponential behavior in instance resolution on fixpoint-of-sum

[GHC]

#8147: Exponential behavior in instance resolution on fixpoint-of-sum
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        Reporter:  jkoppel           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.6.3
      Resolution:                    |             Keywords:  performance,
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by dfeuer):

 * Attachment "Test.hs" removed.

 Updated Test

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8147>
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