rem: return obj +""; 
add: return obj +""; 
context: function ToString( obj ) {    return obj +"";}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4218d0f5950d93cb2609d946f6af7ce1b2e89575/call-1.js/clean/js/tests/ecma_2/FunctionObjects/call-1.js