[GHC] #11984: Pattern match incompleteness / inaccessibility discrepancy

[GHC]

#11984: Pattern match incompleteness / inaccessibility discrepancy
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        Reporter:  goldfire          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #14098            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 George, any progress?

 Everyone: George is now doing many other things.  Would anyone like to
 step up to looking after the patterm-match overlap checker?  It's a thing
 of some beauty but needs love.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11984#comment:4>
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