//# run
// simple breaks for control flow check
main() {
    let x: u64;
label b0:
    x = 0;
label while:
    jump_if (false) while_cont;
label while_body:
    x = move(x) + 1;
    jump while_cont;
label while_cont:
    assert(move(x) == 1, 42);
    return;
}