[GHC] #11332: APIAnnotations: AnnDotDot missing for Pattern Synonym export

[GHC]

#11332: APIAnnotations: AnnDotDot missing for Pattern Synonym export
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           Reporter:  alanz          |             Owner:  alanz
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.0.1
          Component:  Compiler       |           Version:  8.1
  (Parser)                           |
           Keywords:                 |  Operating System:  Unknown/Multiple
  ApiAnnotations                     |
       Architecture:                 |   Type of failure:  Other
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 For the following code fragment

 {{{#!hs
 {-# LANGUAGE PatternSynonyms #-}

 module ExportSyntax ( A(.., NoA), Q(F,..), G(T,..,U)) where
 }}}

 The second and third `..` are missing `AnnDotdot` annotations.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11332>
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