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function t() {
var x = 0x123456789abcd;
x = x + x; // x = 640511947003802
x = x + x; // x = 1281023894007604
x = x + x; // x = 2562047788015208
x = x + x; // x = 5124095576030416
x = x + x; // x = 10248191152060832
assertEq(x+1 | 0, -248153696)
}
t()
function t2() {
var x = -0x123456789abcd;
x = x + x;
x = x + x;
x = x + x;
x = x + x;
x = x + x;
assertEq(x + 7 | 0, 248153704)
}
t2()
function t() {
var x = 4294967296+1;
assertEq(x|0, 1);
}