[GHC] #10897: Incorrect ASSERT for buildPatSyn

[GHC]

#10897: Incorrect ASSERT for buildPatSyn
-------------------------------------+-------------------------------------
        Reporter:  ezyang            |                   Owner:  cactus
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.11
  checker)                           |                Keywords:
      Resolution:                    |  PatternSynonyms
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by cactus):

 * keywords:   => PatternSynonyms


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10897#comment:2>
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