[GHC] #10555: RULE left-hand side too complicated to desugar

[GHC]

#10555: RULE left-hand side too complicated to desugar
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        Reporter:  yongqli           |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.2-rc1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:  yes
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by yongqli):

 Possibly related: https://mail.haskell.org/pipermail/ghc-
 devs/2015-June/009271.html

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10555#comment:2>
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