PerformanceTests/SixSpeed/tests/for-of-object/for-of-object.es5

var data = {'a': 'b', 'c': 'd'};
function fn() {
  var ret = '';
  for (var name in data) {
    if (data.hasOwnProperty(name)) {
      ret += data[name];
    }
  }
  return ret;
}

assertEqual(fn(), 'bd');
test(fn);