[GHC] #16128: Pattern match checker should shortcut on simple cases

[GHC]

#16128: Pattern match checker should shortcut on simple cases
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        Reporter:  gbaz              |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.3
      Resolution:                    |             Keywords:
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Marge Bot <ben+marge-bot@…>):

 In [changeset:"d97f0db8fa6c5d9a4c90c6096b01a76da07cfb2b/ghc" d97f0db/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="d97f0db8fa6c5d9a4c90c6096b01a76da07cfb2b"
 Fix test for T16180 on Darwin (fix #16128)
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16128#comment:3>
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