[GHC] #15893: View Patterns affect typechecking in an unpredictable manner

[GHC]

#15893: View Patterns affect typechecking in an unpredictable manner
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        Reporter:  theindigamer      |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  ⊥
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:  ViewPatterns
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #14293            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by theindigamer):

 Huh, looks like I didn't use the query tool correctly. I did use
 "ViewPatterns" as a keyword but it gave me no results when I searched. :(

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15893#comment:3>
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