[GHC] #5813: Offer a compiler warning for failable pattern matches

[GHC]

#5813: Offer a compiler warning for failable pattern matches
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 Reporter:  snoyberg          |          Owner:                  
     Type:  feature request   |         Status:  new             
 Priority:  normal            |      Component:  Compiler        
  Version:  7.2.2             |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
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Changes (by snoyberg):

  * type:  bug => feature request


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5813#comment:1>
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