[GHC] #9803: Poor error message for unbound variable in pattern synonym

[GHC]

#9803: Poor error message for unbound variable in pattern synonym
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        Reporter:  goldfire          |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.9
  checker)                           |                Keywords:
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:  #8841             |  Differential Revisions:
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Changes (by thomie):

 * cc: cactus (added)
 * component:  Compiler => Compiler (Type checker)
 * related:   => #8841


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9803#comment:1>
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