| function f() { |
| var x = Math.pow(2, 31); // take it as argument if constant propagation comes in you way. |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 32 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 33 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 34 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 35 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 36 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 37 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 38 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 39 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 40 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 41 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 42 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 43 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 44 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 45 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 46 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 47 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 48 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 49 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 50 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 51 |
| x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 52 |
| x = x + x; assertEq((x + 1) | 0, 0); // 2 ** 53 |
| } |
| |
| for (var i = 0; i <= 100000; i++) |
| f(); |