1// Copyright 2011 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//
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8//     * Redistributions in binary form must reproduce the above
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15//
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27
28// Flags: --allow-natives-syntax
29
30// Test const initialization and assignments.
31function f() {
32  var x = 42;
33  while (true) {
34    const y = x;
35    if (--x == 0) return y;
36  }
37}
38
39function g() {
40  const x = 42;
41  x += 1;
42  return x;
43}
44
45for (var i = 0; i < 5; i++) {
46  f();
47  g();
48}
49
50%OptimizeFunctionOnNextCall(f);
51%OptimizeFunctionOnNextCall(g);
52
53assertEquals(42, f());
54assertEquals(42, g());
55
56
57function h(a, b) {
58  var r = a + b;
59  const X = 42;
60  return r + X;
61}
62
63for (var i = 0; i < 5; i++) h(1,2);
64
65%OptimizeFunctionOnNextCall(h);
66
67assertEquals(45, h(1,2));
68assertEquals("foo742", h("foo", 7));
69