[ruby-cvs:78357] 8b4ee5d6ba (master): Raise `NoMatchingPatternError` when expr `in` pat doesn't match

Nobuyoshi Nakada	2019-11-28 13:44:25 +0900 (Thu, 28 Nov 2019)

  New Revision: 8b4ee5d6ba

  https://github.com/ruby/ruby/commit/8b4ee5d6ba

  Log:
    Raise `NoMatchingPatternError` when expr `in` pat doesn't match
    
    * `expr in pattern` should raise `NoMatchingError` when unmatched
    * `expr in pattern` should return `nil`. (this is unspecified, but
      this feature is experimental, at all)
    
    [Feature #16355]

  Modified files:
    parse.y
    test/ruby/test_pattern_matching.rb