rem: function concat(size) 
add: function concat(size) 
context: function concat(size) {  var x = '';  var y = 'Mozilla Mozilla Mozilla Mozilla ';  var z = 'goober ';   var start = new Date();  for (var loop = 0; loop < size; loop++)   {     x = x + y + z + y + z + y + z;  }   var stop = new Date();  return stop - start;} 
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/3703c3c05f398a63e55992f7687ef65273b26d6a/regress-56940-01.js/clean/js/tests/js1_5/String/regress-56940-01.js