ices/82830.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#82830

trait A<Y, N> {
    type B;
}
type MaybeBox<T> = <T as A<T, Box<T>>>::B;
struct P {
    t: MaybeBox<P>
}
impl<Y, N> A<Y, N> for P {
    type B = N;
}
fn main() {
    let t: MaybeBox<P>;
}

=== stdout ===
=== stderr ===
error[E0275]: overflow evaluating the requirement `P: Sized`
 --> /home/runner/work/glacier/glacier/ices/82830.rs:6:8
  |
6 |     t: MaybeBox<P>
  |        ^^^^^^^^^^^
  |
note: required because of the requirements on the impl of `A<P, Box<P>>` for `P`
 --> /home/runner/work/glacier/glacier/ices/82830.rs:8:12
  |
8 | impl<Y, N> A<Y, N> for P {
  |            ^^^^^^^     ^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0275`.
==============