1 error[E0275]: overflow evaluating the requirement `P: Sized`
2 --> $DIR/issue-82830.rs:7:8
7 note: required for `P` to implement `A<P, Box<P>>`
8 --> $DIR/issue-82830.rs:10:12
10 LL | impl<Y, N> A<Y, N> for P {
13 error: aborting due to previous error
15 For more information about this error, try `rustc --explain E0275`.