rem: var tmp = prepared_string; prepared_string = null; return tmp; } 
add: var tmp = prepared_string; prepared_string = null; return tmp; } 
context:         toString: function() {                var tmp = prepared_string;                prepared_string = null;                return tmp;        }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/3703c3c05f398a63e55992f7687ef65273b26d6a/regress-313479.js/clean/js/tests/js1_5/GC/regress-313479.js