1f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Copyright 2013 the V8 project authors. All rights reserved.
291efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// Redistribution and use in source and binary forms, with or without
391efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// modification, are permitted provided that the following conditions are
491efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// met:
591efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//
691efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//     * Redistributions of source code must retain the above copyright
791efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//       notice, this list of conditions and the following disclaimer.
891efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//     * Redistributions in binary form must reproduce the above
991efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//       copyright notice, this list of conditions and the following
1091efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//       disclaimer in the documentation and/or other materials provided
1191efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//       with the distribution.
1291efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//     * Neither the name of Google Inc. nor the names of its
1391efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//       contributors may be used to endorse or promote products derived
1491efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//       from this software without specific prior written permission.
1591efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org//
1691efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1791efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1891efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1991efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
2091efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2191efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2291efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2391efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2491efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2591efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2691efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2791efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org
28f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Flags: --expose_gc
2991efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org
30f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp1 =  { };
31f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp2 =  { };
32f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp3 =  { x : 1 };
33f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp2.__proto__ = p3
34f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp1.__proto__ = p2
35f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org
36f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Normalize p1.
37f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp1.z = 1
38f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgdelete p1.z
39f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org
40f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Make sure all objects are in old space.
41f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgfor (var i = 0; i < 10; i++) gc();
42f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org
43f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgfunction f2() {
44f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org  p2.x;
45f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org}
46f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org
47f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgfunction f1() {
48f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org  return p1.x;
4991efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org}
5091efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org
51f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Create load stub in p2.
52f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgfor (var i = 0; i < 10; i++) f2();
53f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org
54f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Create load stub in p2 for p1.
55f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgfor (var i = 0; i < 10; i++) f1();
56f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org
57f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgassertEquals(1, f1());
58f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org
59f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp2.x = 2;
60f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org
61f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgassertEquals(2, f1());
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