ref: 620493c9bdc92f1d4309f1b6bbf9c23f2000aecb dir: /tests/execute/0149-define.c/
#define M(x) x #define A(a,b) a(b) int main(void) { char *a = A(M,"hi"); return (a[1] == 'i') ? 0 : 1; }