[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:
                                                 |  Unknown/Multiple
 Type of failure:  Compile-time performance bug  |     Test Case:
      Blocked By:                                |      Blocking:
 Related Tickets:                                |
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Changes (by dfeuer):

 * Attachment "TH.2.hs" added.

 Updated TH

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