[GHC] #10405: Pattern synonym fails with (Exp Bool) but works with (t ~ Bool => Exp t) (was: Pattern synonym fails with (Exp Bool) but works with (t ~ Bool => Exp Bool))

[GHC]

#10405: Pattern synonym fails with (Exp Bool) but works with (t ~ Bool => Exp t)
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        Reporter:  Iceland_jack      |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.10.1-rc1
  checker)                           |                Keywords:
      Resolution:                    |            Architecture:  x86
Operating System:  Linux             |               Test Case:
 Type of failure:  GHC rejects       |                Blocking:
  valid program                      |  Differential Revisions:
      Blocked By:                    |
 Related Tickets:                    |
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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10405#comment:1>
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