| // Copyright 2015 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 test(e, f, v) { | 
 |   assertEquals(e, f(v)); | 
 |   assertEquals(e, f(v)); | 
 |   assertEquals(e, f(v)); | 
 | } | 
 |  | 
 | function foo(t) { | 
 |   for (var x in t) { | 
 |     for (var i = 0; i < 2; i++) { | 
 |       %OptimizeOsr(); | 
 |       %PrepareFunctionForOptimization(foo); | 
 |     } | 
 |   } | 
 |   return 5; | 
 | } | 
 | %PrepareFunctionForOptimization(foo); | 
 |  | 
 | test(5, foo, {x:20}); | 
 |  | 
 | function bar(t) { | 
 |   var sum = 0; | 
 |   for (var x in t) { | 
 |     for (var i = 0; i < 2; i++) { | 
 |       %OptimizeOsr(); | 
 |       sum += t[x]; | 
 |       %PrepareFunctionForOptimization(bar); | 
 |     } | 
 |   } | 
 |   return sum; | 
 | } | 
 | %PrepareFunctionForOptimization(bar); | 
 |  | 
 | test(62, bar, {x:20,y:11}); |