ref: 3eb88c0d7a390c249fd74f973b6e6f14549b6a39 dir: /tests/cc/execute/0171-macros.c/
#define X (2) #define L (0) #define H (1) #define Q(x) x int main(void) { return X == L + H + Q(1) ? 0 : 1; }