Issue #9298 has been updated by Yui NARUSE.

Status changed from Feedback to Closed
% Done changed from 0 to 100

Applied in changeset r45138.

----------
merge revision(s) 44412,44413,44414,44420,44421: [Backport #9298]

	test_method.rb, test_proc.rb: suppress warnings

	* test/ruby/test_method.rb: suppress warnings in verbose mode.

	* test/ruby/test_proc.rb: ditto.
	* proc.c (rb_iseq_min_max_arity): maximum argument is unlimited if
	  having rest keywords argument.  [ruby-core:53298] [Bug #8072]

	* iseq.c (rb_iseq_parameters): push argument type symbol only for
	  unnamed rest keywords argument.

	* compile.c (iseq_set_arguments): set arg_keyword_check from
	  nd_cflag, which is set by parser.  internal ID is used for
	  unnamed keyword rest argument, which should be separated from no
	  keyword check.

	* iseq.c (rb_iseq_parameters): if no keyword check, keyword rest is
	  present.

	* parse.y (new_args_tail_gen): set keywords check to nd_cflag, which
	  equals to that keyword rest is not present.

----------------------------------------
Backport #9298: Backport r44420: unknown keyword error with unnamed rest keywords argument
https://bugs.ruby-lang.org/issues/9298#change-45422

* Author: Nobuyoshi Nakada
* Status: Closed
* Priority: Normal
* Assignee: Yui NARUSE
----------------------------------------
The following code should not raise "unknown keyword" error.

```ruby
  def f10(a: 1, **)
    a
  end

  f10(b: 42)
```




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