[GHC] #595: Overhaul GHC's overlapping/non-exhaustive pattern checking

[GHC]

#595: Overhaul GHC's overlapping/non-exhaustive pattern checking
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        Reporter:  simonmar          |            Owner:
            Type:  task              |           Status:  new
        Priority:  normal            |        Milestone:  ⊥
       Component:  Compiler          |          Version:  None
      Resolution:  None              |         Keywords:  warnings
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Incorrect         |       Difficulty:  Difficult (2-5
  warning at compile-time            |  days)
       Test Case:  N/A               |       Blocked By:
        Blocking:                    |  Related Tickets:
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Changes (by jkarni):

 * cc: jkarni@… (added)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/595#comment:23>
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