rem: return this.toString(); 
add: return this.toString(); 
context: function ReturnThis() {    return this.toString();}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/f5797aeb2410e2259028142b87595fe71f03e531/11.1.1.js/buggy/js/tests/ecma/Expressions/11.1.1.js