1// Copyright 2013 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --allow-natives-syntax
29
30var a = {};
31a.x = 1
32a.y = 1.5
33
34var b = {}
35b.x = 1.5;
36b.y = 1;
37
38var c = {}
39c.x = 1.5;
40
41var d = {}
42d.x = 1.5;
43
44var e = {}
45e.x = 1.5;
46
47var f = {}
48f.x = 1.5;
49
50var g = {}
51g.x = 1.5;
52
53var h = {}
54h.x = 1.5;
55
56var i = {}
57i.x = 1.5;
58
59var o = {}
60var p = {y : 10, z : 1}
61o.__proto__ = p;
62delete p.z
63
64function foo(v, w) {
65  // Make load via IC in optimized code. Its target will get overwritten by
66  // lazy deopt patch for the stack check.
67  v.y;
68  // Make store with transition to make this code dependent on the map.
69  w.y = 1;
70  return b.y;
71}
72
73foo(o, c);
74foo(o, d);
75foo(o, e);
76%OptimizeFunctionOnNextCall(foo);
77foo(b, f);
78foo(b, g);
79foo(b, h);
80foo(a, i);
81