rem: return (this instanceof String); 
add: return (this instanceof String); 
context: String.prototype.test = function() {	return (this instanceof String);};
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/0b675418ba636127763e94e614e62364d6caa659/regress-245113.js/clean/js/tests/js1_5/Regress/regress-245113.js