[GHC] #9784: Improve error message for misplaced quote inside promoted qualified type

[GHC]

#9784: Improve error message for misplaced quote inside promoted qualified type
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        Reporter:  crockeea          |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.8.3
  (Parser)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #3155             |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by thomie):

 * failure:  GHC rejects valid program => Incorrect warning at compile-time


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9784#comment:7>
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