Update helpers from #7491. (#7532)

packages/babel-runtime/helpers/iterableToArray.js

@@ -0,0 +1,9 @@
+var _Array$from = require("../core-js/array/from");
+
+var _isIterable = require("../core-js/is-iterable");
+
+function _iterableToArray(iter) {
+  if (_isIterable(Object(iter)) || Object.prototype.toString.call(iter) === "[object Arguments]") return _Array$from(iter);
+}
+
+module.exports = _iterableToArray;