[GHC] #11017: ApiAnnotations: BooleanFormula is not properly Located

[GHC]

#11017: ApiAnnotations: BooleanFormula is not properly Located
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           Reporter:  alanz          |             Owner:  alanz
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.0.1
          Component:  Compiler       |           Version:  7.10.2
           Keywords:                 |  Operating System:  Unknown/Multiple
  ApiAnnotations                     |
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 At the moment `BooleanFormula` is defined as

 {{{#!hs
 data BooleanFormula a = Var a | And [BooleanFormula a] | Or
 [BooleanFormula a]
   deriving (Eq, Data, Typeable, Functor, Foldable, Traversable)
 }}}

 An API Annotation can only be attached to an item of the form `Located a`.

 Replace this with a properly `Located` version, and attach the appropriate
 API Annotations to it

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11017>
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