add: for (j = 0; j < i; ++j) { this[j] = unshift.arguments[j]; } } 
context:     Array.prototype.unshift = function() {        var i = unshift.arguments.length;        for (var j = this.length - 1; j >= 0; --j) {            this[j + i] = this[j];        }        for (j = 0; j < i; ++j) {            this[j] = unshift.arguments[j];        }    }
meta: 266	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/266/769a5807f342d8541951d74937d724ab38fcafe0/engine.js/buggy/java/uk/ltd/getahead/dwr/engine.js