[GHC] #13964: Pattern-match warnings for datatypes with COMPLETE sets break abstraction

[GHC]

#13964: Pattern-match warnings for datatypes with COMPLETE sets break abstraction
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1-rc2
      Resolution:                    |             Keywords:
                                     |  PatternSynonyms,
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * version:  8.0.1 => 8.2.1-rc2


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13964#comment:1>
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