--- /dev/null
+var def = require('./_object-dp').f
+ , has = require('./_has')
+ , TAG = require('./_wks')('toStringTag');
+
+module.exports = function(it, tag, stat){
+ if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});
+};
\ No newline at end of file