rem: return [f - d]; 
add: return (f - d); 
context: function q1(n) {    var c = [];    c[Math.pow(10, n)] = 1;    c = c.join(" ");    var d = Date.now();    var e = c.match(/(.*)foo$/);    var f = Date.now();    return [f - d];}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/fe96ff20c62d36663d76073d97f52fc3d6e9f39b/regress-311414.js/buggy/js/tests/ecma_3/RegExp/regress-311414.js