[GHC] #11430: ApiAnnotations: work SourceText in for all integer literals

[GHC]

#11430: ApiAnnotations: work SourceText in for all integer literals
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           Reporter:  alanz          |             Owner:  alanz
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.0.1
          Component:  Compiler       |           Version:  8.1
           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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 Certain syntactic elements have integers in them, such as fixity
 specifications, SPECIALISE pragmas and so on.

 The lexer will accept mult-radix literals, with arbitrary leading zeros in
 these.

 Bring in a SourceText field to each affected AST element to capture the
 original literal text for use with API Annotations.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11430>
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