[GHC] #5610: Improve "Unacceptable argument type in foreign declaration" error message

[GHC]

#5610: Improve "Unacceptable argument type in foreign declaration" error message
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  Reporter:  bgamari                            |          Owner:                  
      Type:  feature request                    |         Status:  new             
  Priority:  high                               |      Milestone:  7.4.1           
 Component:  Compiler (Type checker)            |        Version:  7.6.1-rc1       
Resolution:                                     |       Keywords:                  
        Os:  Unknown/Multiple                   |   Architecture:  Unknown/Multiple
   Failure:  Incorrect warning at compile-time  |     Difficulty:  Unknown         
  Testcase:                                     |      Blockedby:                  
  Blocking:                                     |        Related:                  
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Changes (by romildo):

 * cc: malaquias@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5610#comment:16>
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