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27
28// Test constant folding of smi operations that overflow a 32-bit int
29// See http://code.google.com/p/v8/issues/detail?id=580
30
31function num_ops() {
32  var x;
33  var tmp = 0;
34  x = (tmp = 1578221999, tmp)+(tmp = 572285336, tmp);
35  assertEquals(2150507335, x, "++");
36  x = 1578221999 + 572285336;
37  assertEquals(2150507335, x);
38
39  x = (tmp = -1500000000, tmp)+(tmp = -2000000000, tmp);
40  assertEquals(-3500000000, x, "+-");
41  x = -1500000000 + -2000000000;
42  assertEquals(-3500000000, x);
43
44  x = (tmp = 1578221999, tmp)-(tmp = -572285336, tmp);
45  assertEquals(2150507335, x, "--");
46  x = 1578221999 - -572285336;
47  assertEquals(2150507335, x);
48
49  x = (tmp = -1500000000, tmp)-(tmp = 2000000000, tmp);
50  assertEquals(-3500000000, x, "-+");
51  x = -1500000000 - 2000000000;
52  assertEquals(-3500000000, x);
53}
54
55num_ops();
56