Ruby

merge revision(s) c8d162c889008028b148437d02f36f4edaa749fd: [Backport #19973]

    [Bug #19973] Warn duplicated keyword arguments after keyword splat

    ---
     parse.y                  | 11 +++++++----
     test/ruby/test_syntax.rb |  6 ++++++
     2 files changed, 13 insertions(+), 4 deletions(-)