Bump to v4.14.0.

_defineProperty.js

@@ -0,0 +1,15 @@
+define(['./_getNative'], function(getNative) {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /* Used to set `toString` methods. */
+  var defineProperty = (function() {
+    var func = getNative(Object, 'defineProperty'),
+        name = getNative.name;
+
+    return (name && name.length > 2) ? func : undefined;
+  }());
+
+  return defineProperty;
+});