2 // 19.1.3.6 Object.prototype.toString()
3 var classof = require('./_classof')
5 test[require('./_wks')('toStringTag')] = 'z';
6 if(test + '' != '[object z]'){
7 require('./_redefine')(Object.prototype, 'toString', function toString(){
8 return '[object ' + classof(this) + ']';