struct weak;
struct s0 {};
typedef struct {
struct s0 a;
struct weak* w;
} s1_t;
struct s2 {
s1_t a;
struct weak* w;
};
struct s3 {
s1_t a;
struct s2 b;
struct weak* w;
};
struct weak {
s1_t* a;
struct s2* b;
struct s3* c;
struct weak* w;
};
int main() {
static s1_t s1;
static struct s2 s2;
static struct s3 s3;
static struct weak w;
return 0;
}