[GHC] #11160: New exhaustiveness checker breaks ghcirun004

[GHC]

#11160: New exhaustiveness checker breaks ghcirun004
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        Reporter:  bgamari           |                Owner:  gkaracha
            Type:  bug               |               Status:  closed
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  7.10.2
      Resolution:  fixed             |             Keywords:
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * keywords:   => PatternMatchWarnings
 * milestone:  8.0.1 => 8.2.1


Comment:

 I'm re-opening with a milestone of 8.2, because I really think we can do
 better, and I don't want to lose track of the example.  But it's not
 pressing for 8.0.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11160#comment:10>
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