ref: 5f0409dd660ec9a663b8d0e6ccc9664b44f2e4e3 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; }