[GHC] #14726: Add AnnTypeAt to distinguish between '@' for type application

[GHC]

#14726: Add AnnTypeAt to distinguish between '@' for type application
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        Reporter:  alanz             |                Owner:  alanz
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.2
  (Parser)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect API     |  Unknown/Multiple
  annotation                         |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by alanz):

 * owner:  (none) => alanz


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14726#comment:1>
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