1 error[E0072]: recursive type `E2` has infinite size
2 --> $DIR/issue-3008-3.rs:4:1
4 LL | enum E2<T> { V2(E2<E1>, marker::PhantomData<T>), }
5 | ^^^^^^^^^^ ------ recursive without indirection
7 help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
9 LL | enum E2<T> { V2(Box<E2<E1>>, marker::PhantomData<T>), }
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0072`.