Bump to v4.11.2.

toString.js

@@ -1,14 +1,4 @@
-define(['./_Symbol', './isSymbol'], function(Symbol, isSymbol) {
-
-  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
-  var undefined;
-
-  /** Used as references for various `Number` constants. */
-  var INFINITY = 1 / 0;
-
-  /** Used to convert symbols to primitives and strings. */
-  var symbolProto = Symbol ? Symbol.prototype : undefined,
-      symbolToString = symbolProto ? symbolProto.toString : undefined;
+define(['./_baseToString'], function(baseToString) {
 
   /**
    * Converts `value` to a string. An empty string is returned for `null`
@@ -32,18 +22,7 @@ define(['./_Symbol', './isSymbol'], function(Symbol, isSymbol) {
    * // => '1,2,3'
    */
   function toString(value) {
-    // Exit early for strings to avoid a performance hit in some environments.
-    if (typeof value == 'string') {
-      return value;
-    }
-    if (value == null) {
-      return '';
-    }
-    if (isSymbol(value)) {
-      return symbolToString ? symbolToString.call(value) : '';
-    }
-    var result = (value + '');
-    return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+    return value == null ? '' : baseToString(value);
   }
 
   return toString;