rem: return a != b; 
add: return a != b; 
context: function DoesntEqual( a, b ) {    return a != b;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/3703c3c05f398a63e55992f7687ef65273b26d6a/tostring-2.js/clean/js/tests/js1_2/function/tostring-2.js