ref: 0a5224e17a101c6b0c1c7eb1e36dc9d3fd8ac120 dir: /tests/cc/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; }