[GHC] #4983: Warning about redundant import is wrong when hiding identifiers in order to avoid export ambiguities

[GHC]

#4983: Warning about redundant import is wrong when hiding identifiers in order to
avoid export ambiguities
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  Reporter:  Lemming                            |          Owner:                  
      Type:  bug                                |         Status:  closed          
  Priority:  normal                             |      Milestone:                  
 Component:  Compiler                           |        Version:  7.0.1           
Resolution:  wontfix                            |       Keywords:                  
  Testcase:                                     |      Blockedby:                  
Difficulty:                                     |             Os:  Unknown/Multiple
  Blocking:                                     |   Architecture:  Unknown/Multiple
   Failure:  Incorrect warning at compile-time  |  
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Comment(by simonpj):

 Well that would apply to any other redundant import too.   I suppose we
 could replace "The import of M is redundant" by "You imported M but used
 nothing of it".  Maybe that'd be an improvement, I'm not sure.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4983#comment:4>
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