[ruby-cvs:78572] f45c0dc239 (master): Add Proc#ruby2_keywords

Jeremy Evans	2019-12-06 04:01:20 +0900 (Fri, 06 Dec 2019)

  New Revision: f45c0dc239

  https://github.com/ruby/ruby/commit/f45c0dc239

  Log:
    Add Proc#ruby2_keywords
    
    This allows passing keywords through a normal argument splat in a
    Proc.  While needing ruby2_keywords support for methods is more
    common, there is code that delegates keywords through normal
    argument splats in procs, including code in Rails.  For that
    reason, it makes sense to expose this for procs as well.
    
    Internally, ruby2_keywords is not tied to methods, but iseqs,
    so this just allows for setting the ruby2_keywords for the iseq
    related to the proc.

  Modified files:
    proc.c
    test/ruby/test_keyword.rb