[GHC] #4139: Spurious non-exhaustive pattern match warnings are given using GADTs

[GHC]

#4139: Spurious non-exhaustive pattern match warnings are given using GADTs
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        Reporter:  blarsen           |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.4.1
      Resolution:  duplicate         |             Keywords:  GADTs,
                                     |  warnings, pattern matching,
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #3927             |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * keywords:  GADTs, warnings, pattern matching => GADTs, warnings, pattern
     matching, PatternMatchWarnings


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4139#comment:11>
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