Bump to v4.16.0.

_baseSetToString.js

@@ -0,0 +1,21 @@
+define(['./constant', './identity', './_nativeDefineProperty'], function(constant, identity, nativeDefineProperty) {
+
+  /**
+   * The base implementation of `setToString` without support for hot loop shorting.
+   *
+   * @private
+   * @param {Function} func The function to modify.
+   * @param {Function} string The `toString` result.
+   * @returns {Function} Returns `func`.
+   */
+  var baseSetToString = !nativeDefineProperty ? identity : function(func, string) {
+    return nativeDefineProperty(func, 'toString', {
+      'configurable': true,
+      'enumerable': false,
+      'value': constant(string),
+      'writable': true
+    });
+  };
+
+  return baseSetToString;
+});