added whole system from ola4doc

sys/node_modules/es5-ext/array/_sub-array-dummy-safe.js

@@ -0,0 +1,23 @@
+'use strict';
+
+var setPrototypeOf = require('../object/set-prototype-of')
+  , isExtensible   = require('./_is-extensible');
+
+module.exports = (function () {
+	var SubArray;
+
+	if (isExtensible) return require('./_sub-array-dummy');
+
+	if (!setPrototypeOf) return null;
+	SubArray = function () {
+		var arr = Array.apply(this, arguments);
+		setPrototypeOf(arr, SubArray.prototype);
+		return arr;
+	};
+	setPrototypeOf(SubArray, Array);
+	SubArray.prototype = Object.create(Array.prototype, {
+		constructor: { value: SubArray, enumerable: false, writable: true,
+			configurable: true }
+	});
+	return SubArray;
+}());