int main(void) {
    int volatile counter = 0;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;
    ++counter;

    return 0;
}