| // Copyright 2014 the V8 project authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | // Flags: --allow-natives-syntax | 
 |  | 
 | function deepEquals(a, b) { | 
 |   if (a === b) { | 
 |     if (a === 0) return 1 / a === 1 / b; | 
 |     return true; | 
 |   } | 
 |   if (typeof a != typeof b) return false; | 
 |   if (typeof a == "number") return isNaN(a) && isNaN(b); | 
 |   if (typeof a !== "object" && typeof a !== "function") return false; | 
 |   if (objectClass === 'RegExp') { | 
 |     return a.toString() === b.toString(); | 
 |   } | 
 |   if (objectClass === "Function") return false; | 
 |   if (objectClass === "Array") { | 
 |     var elementsCount = 0; | 
 |     if (a.length != b.length) { | 
 |       return false; | 
 |     } | 
 |     for (var i = 0; i < a.length; i++) { | 
 |       if (!deepEquals(a[i], b[i])) return false; | 
 |     } | 
 |     return true; | 
 |   } | 
 | } | 
 |  | 
 | function __f_1() { | 
 |   var __v_0 = []; | 
 |   for (var i = 0; i < 2; i++) { | 
 |     __v_0.push([]); | 
 |     deepEquals(2, __v_0.length); | 
 |   } | 
 | }; | 
 | %PrepareFunctionForOptimization(__f_1); | 
 | __f_1(); | 
 | %OptimizeFunctionOnNextCall(__f_1); | 
 | __f_1(); |