[GHC] #12950: Unnecessarily complicated left-hand side for SPECIALIZE pragma causing RULE left-hand side too complicated to desugar (was: unnecessarily complicated left-hand side causing RULE left-hand side too complicated to desugar)

[GHC]

#12950: Unnecessarily complicated left-hand side for SPECIALIZE pragma causing RULE
left-hand side too complicated to desugar
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        Reporter:  nfrisby           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.10.2
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  error/warning at compile-time      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
  #10555,#12074,#12649               |
       Wiki Page:                    |
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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12950#comment:3>
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