1// Copyright 2014 the V8 project authors. All rights reserved. 2// AUTO-GENERATED BY tools/generate-runtime-tests.py, DO NOT MODIFY 3// Flags: --allow-natives-syntax --harmony 4var arg0 = [1, 2, 3]; 5var arg1 = 3; 6var _special = "foo"; 7%StringBuilderConcat(arg0, arg1, _special); 8