rem: return this; 
add: return this; 
context: function MyObject( value ) {    this.value = value;    this.valueOf = Date.prototype.valueOf;//  The following line causes an infinte loop//    this.toString = new Function( "return this+\"\";");    return this;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4218d0f5950d93cb2609d946f6af7ce1b2e89575/15.9.5.3-1-n.js/clean/js/tests/ecma/Date/15.9.5.3-1-n.js