struct weak; struct s0 {}; struct s2 { struct { struct s0 a; } a[2]; struct weak* w; }; struct s3 { struct { struct s0 a; } a[3]; struct s2 b; struct weak* w; }; struct weak { struct { struct s0 a; } *arr[10]; struct s2* b; struct s3* c; struct weak* w; }; int main() { static struct s2 s2; static struct s3 s3; static struct weak w; return 0; }