rem: } return a - b; 
add: } return a - b; 
context: function comparefn(a,b) {   if (typeof a == 'undefined')  {    actual = 'undefined';     return 1;  }   if (typeof b == 'undefined')  {    actual = 'undefined';     return -1;  }   return a - b; }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/3703c3c05f398a63e55992f7687ef65273b26d6a/regress-255555.js/clean/js/tests/js1_5/Array/regress-255555.js