let assert = {
    sameValue: function(i, e, m) {
        if (i !== e)
            throw new Error(m);
    }
}

function bigIntAddition(x, y) {
    return x - y - 1n;
}
noInline(bigIntAddition);

for (let i = 0; i < 10000; i++) {
    let r = bigIntAddition(3n, 10n);
    assert.sameValue(r, -8n, 3n + " - " + 10n + " - 1 = " + r);
}