ref: 75f3f829eaa2e72575b9e5c802b290a17d837e54 dir: /tests/cc/execute/0197-cppcomment.c/
#define TEST1 1 // comment #define TEST2 2 int main(void) { if (TEST1 != 1) return 1; if (TEST2 != 2) return 2; return 0; }