[GHC] #14773: MultiWayIf makes it easy to write partial programs that are not catched by -Wall

[GHC]

#14773: MultiWayIf makes it easy to write partial programs that are not catched by
-Wall
-------------------------------------+-------------------------------------
        Reporter:  SimonHengel       |                Owner:  sighingnow
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.2
      Resolution:                    |             Keywords:
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  T14773a,T14773b
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4400
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by sighingnow):

 * status:  new => patch
 * testcase:   => T14773a,T14773b
 * differential:   => Phab:D4400


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14773#comment:10>
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