ref: 3f1b3e7a7b4735ce4b796b174986d52dccdc1fa7 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; }