* parse.y (stmt, arg): concat opt_call_args only if non-null.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15450 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 8 deletions

diff --git a/parse.y b/parse.y
index 50eaa5f7c7..2b6e06bb2d 100644
--- a/parse.y
+++ b/parse.y
@@ -1027,11 +1027,10 @@ stmt		: keyword_alias fitem {lex_state = EXPR_FNAME;} fitem
 		| primary_value '[' opt_call_args rbracket tOP_ASGN command_call
 		    {
 		    /*%%%*/
-			NODE *args;
+			NODE *args = $6;
 
-			value_expr($6);
-			if (!$3) $3 = NEW_ZARRAY();
-			args = arg_concat($6, $3);
+			value_expr(args);
+			if ($3) args = arg_concat(args, $3);
 			if ($5 == tOROP) {
 			    $5 = 0;
 			}
@@ -1829,11 +1828,10 @@ arg		: lhs '=' arg
 		| primary_value '[' opt_call_args rbracket tOP_ASGN arg
 		    {
 		    /*%%%*/
-			NODE *args;
+			NODE *args = $6;
 
-			value_expr($6);
-			if (!$3) $3 = NEW_ZARRAY();
-			args = arg_concat($6, $3);
+			value_expr(args);
+			if ($3) args = arg_concat(args, $3);
 			if ($5 == tOROP) {
 			    $5 = 0;
 			}