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      1 // Copyright 2014 the V8 project authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Flags: --allow-natives-syntax
      6 
      7 var o = {a:1.5, b:{}};
      8 
      9 function f(o) {
     10   var result = [];
     11   for (var k in o) {
     12     result[result.length] = o[k];
     13   }
     14   return result;
     15 }
     16 
     17 f(o);
     18 f(o);
     19 %OptimizeFunctionOnNextCall(f);
     20 var array = f(o);
     21 o.a = 1.7;
     22 assertEquals(1.5, array[0]);
     23