Merge change 4066

    printf("b()\n");

}

int nested() {

    int a;

    printf("nested 0: a = %d\n", a);

    a = 50;

    printf("nested 1: a = %d\n", a);

    {

        int a;

        printf("nested 2: a = %d\n", a);

        a = 51;

        printf("nested 3: a = %d\n", a);

    }

    printf("nested 4: a = %d\n", a);

}

int main() {

    globCheck();

    fwdCheck();

    printf("main 3: a = %d\n", a);

    h(30);

    printf("main 4: a = %d\n", a);

    nested();

    printf("main 5: a = %d\n", a);

    return 0;

}