Ruby

merge revision(s) db0e0dad1171456253ebd899e7e878823923d3d8: [Backport #18990]

    Fix unexpected "duplicated key name" error in paren-less one line
     pattern matching

    [Bug #18990]
    ---
     parse.y                            | 16 ++++++++++++----
     test/ruby/test_pattern_matching.rb | 12 ++++++++++++
     2 files changed, 24 insertions(+), 4 deletions(-)