ref: c1b4b8354a76cc8c9aa13757e8b3db8d1b5a7c39 dir: /tests/cc/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; }