[GHC] #11474: incorrect redundant-constraints warning

[GHC]

#11474: incorrect redundant-constraints warning
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        Reporter:  hvr               |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler (Type    |              Version:  8.0.1-rc1
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Incorrect         |            Test Case:
  warning at compile-time            |  tests/typecheck/should_compile/T11474.hs
      Blocked By:                    |             Blocking:
 Related Tickets:  #10100            |  Differential Rev(s):  Phab:D4739
       Wiki Page:                    |
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Comment (by simonpj):

 > AFAICT, the patch from D4739 looks ready, any objection to merging (for
 8.8 I suppose) and calling this bug resolved? :-)

 Good point.  I think I see an easier way... stay tuned

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11474#comment:9>
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