[GHC] #11626: type variable out of scope core lint error when compiling attoparsec

[GHC]

#11626: type variable out of scope core lint error when compiling attoparsec
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           Reporter:  luite          |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.1-rc2
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 I'm getting a core lint error when compiling attoparsec with the `-dcore-
 lint` option

 {{{
 *** Core Lint errors : in result of SpecConstr ***
 <no location info>: warning:
     In the type ‘Buffer
                  -> Pos -> More -> a_aaPH -> IResult Text r_aaPI’
     @ a_aaPH is out of scope
 *** Offending Program ***
 ... 57000 lines of offending program cut
 *** End of Offense ***
 }}}

     * attoparsec 0.13.0.2 commit 4f137347be02106765f6897059b88219c79bb86c
     * ghc 8.0.1-rc2 and also 892de051aaaf9a346dadc74592a9cc375b3223a4 (feb
 20)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11626>
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