ref: ed1a8159a3f06e7c4da43567e8dee276d392f3bd 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; }