ref: 2e89286f4ee1ef53e3acb6e4ef4b43909e9fc9e8 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; }