[GHC] #10635: -fwarn-redundant-constraints should not be part of -Wall

[GHC]

#10635: -fwarn-redundant-constraints should not be part of -Wall
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        Reporter:  Lemming           |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  highest           |            Milestone:  8.0.2
       Component:  Compiler (Type    |              Version:  7.11
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #9939, #9973,     |  Differential Rev(s):  Phab:D2498
  #10100, #10183, #11370             |
       Wiki Page:                    |
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Changes (by acfoltzer):

 * differential:   => Phab:D2498


Comment:

 I've just added a patch for 8.0.2. I definitely agree that we want more
 elaborate solutions in the future, or at least ways to recover the parts
 of the warning that don't cause as many folks pain.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10635#comment:34>
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