extern int printInt(int n);

void foo() {
    void bar() {
        for (int i = 0, 10)
            printInt(i);
    }
}

export void main() {
    for (int i = 0, 10)
        printInt(i);

    for (int i = 0, 10, -1)
        printInt(i);

    for (int i = 0, 10)
        for (int j = 10, 20)
            printInt(i + j);
}