--- /dev/null
+'use strict';
+var getBuiltIn = require('../internals/get-built-in');
+var definePropertyModule = require('../internals/object-define-property');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var DESCRIPTORS = require('../internals/descriptors');
+
+var SPECIES = wellKnownSymbol('species');
+
+module.exports = function (CONSTRUCTOR_NAME) {
+ var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
+ var defineProperty = definePropertyModule.f;
+
+ if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {
+ defineProperty(Constructor, SPECIES, {
+ configurable: true,
+ get: function () { return this; }
+ });
+ }
+};