ref: b9728db82bc35ed52a48fb538a9d4a40e251b32f 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; }