rem: this.value = value; this.substring = String.prototype.substring; this.toString = new Function ( "return this.value+''" ); 
add: this.value = value; this.substring = String.prototype.substring; this.toString = new Function ( "return this.value+''" ); 
context: function MyObject( value ) {    this.value = value;    this.substring = String.prototype.substring;    this.toString = new Function ( "return this.value+''" );}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4218d0f5950d93cb2609d946f6af7ce1b2e89575/15.5.4.11-2.js/buggy/js/tests/ecma/String/15.5.4.11-2.js