ref: 3e5e7c470c58ff0b76e6cabc83691897ca4d4e93 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; }