* parse.y (arg_concat_gen): concat target node should be NODE_ARRAY.

  [ruby-core:19413]
* bootstraptest/test_method.rb: add tests.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19880 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 3 deletions

diff --git a/parse.y b/parse.y
index da63620f49..54e0c6ab8a 100644
--- a/parse.y
+++ b/parse.y
@@ -2443,8 +2443,7 @@ args		: arg_value
 		    {
 		    /*%%%*/
 			NODE *n1;
-			if (nd_type($4) == NODE_ARRAY &&
-			    (n1 = splat_array($1)) != 0) {
+			if ((nd_type($4) == NODE_ARRAY) && (n1 = splat_array($1)) != 0) {
 			    $$ = list_concat(n1, $4);
 			}
 			else {
@@ -8131,7 +8130,8 @@ arg_concat_gen(struct parser_params *parser, NODE *node1, NODE *node2)
 	nd_set_type(node1, NODE_ARGSCAT);
 	return node1;
       case NODE_ARGSCAT:
-	if (nd_type(node2) != NODE_ARRAY) break;
+	if (nd_type(node2) != NODE_ARRAY ||
+	    nd_type(node1->nd_body) != NODE_ARRAY) break;
 	node1->nd_body = list_concat(node1->nd_body, node2);
 	return node1;
     }