ref: 0bea8c5077c0ed1f2c61ce65f0b8f14eed89eca3 dir: /tests/execute/0125-fundcl.c/
int f(int a), g(int a), a; int main() { return f(1) - g(1); } int f(int a) { return a; } int g(int a) { return a; }