[GHC] #13773: Types are not normalized in instance declarations

[GHC]

#13773: Types are not normalized in instance declarations
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        Reporter:  augustss          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by goldfire):

 I agree with Simon's implementation plan in comment:6 -- not hard to do.
 But I'm still not sold that we want to have this feature.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13773#comment:8>
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