#include <iostream>

void foo()
{
    volatile bool a;
    volatile bool b;
    std::cout << (a == true) << std::endl;
    std::cout << (b == true) << std::endl;
    std::cout << (a == b) << std::endl;
}

void bar()
{
    volatile int n = 0x12345678;
}

int main() {
    bar();
    foo();
}