[GHC] #5288: Less noisy version of -fwarn-name-shadowing

[GHC]

#5288: Less noisy version of -fwarn-name-shadowing
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        Reporter:  batterseapower    |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Compiler          |              Version:  7.0.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by ntc2):

 +1 (and is there a better way to say "I like this idea" than adding a "+1"
 comment like this?)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5288#comment:15>
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