text: load("1d8ada728956c1a3d52d68d1d4d6dd52.js");
  // 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 TestProtoDeopt() {
    var proto = {};
  
    function deoptMe() {
      %DeoptimizeFunction(f);
      return proto;
    }
  
    function checkObject(name, value, o) {
      assertSame(proto, Object.getPrototypeOf(o));
      assertTrue(o.hasOwnProperty(name));
      assertEquals(value, o[name]);
    }
  
    function f(name, value) {
      return { [name]: value, __proto__: deoptMe() };
    }
  
    checkObject("a", 1, f("a", 1));
    checkObject("b", 2, f("b", 2));
    %OptimizeFunctionOnNextCall(f);
    checkObject("c", 3, f("c", 3));
  })();
  