compile.c: unnamed keyword rest check

* 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.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44420 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 2 deletions

diff --git a/iseq.c b/iseq.c
index 1b33c559e3..a829089ea4 100644
--- a/iseq.c
+++ b/iseq.c
@@ -2015,8 +2015,10 @@ rb_iseq_parameters(const rb_iseq_t *iseq, int is_proc)
 	    }
 	    rb_ary_push(args, a);
 	}
-	CONST_ID(keyrest, "keyrest");
-	rb_ary_push(args, PARAM(iseq->arg_keyword, keyrest));
+	if (!iseq->arg_keyword_check) {
+	    CONST_ID(keyrest, "keyrest");
+	    rb_ary_push(args, PARAM(iseq->arg_keyword, keyrest));
+	}
     }
     if (iseq->arg_block != -1) {
 	CONST_ID(block, "block");