ices/80742.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#80742

#![feature(const_evaluatable_checked)]
#![feature(const_generics)]
#![allow(incomplete_features)]

use core::fmt::Debug;
use core::marker::PhantomData;

struct Inline<T>
where
    [u8; ::core::mem::size_of::<T>() + 1]: ,
{
    _phantom: PhantomData<T>,
    buf: [u8; ::core::mem::size_of::<T>() + 1],
}

impl<T> Inline<T>
where
    [u8; ::core::mem::size_of::<T>() + 1]: ,
{
    pub fn new(val: T) -> Inline<T> {
        todo!()
    }
}

fn main() {
    // let dst = Inline::<usize>::new(0); OK
    let dst = Inline::<dyn Debug>::new(0); // BANG!
}

=== stdout ===
=== stderr ===
error[E0599]: no function or associated item named `new` found for struct `Inline<dyn Debug>` in the current scope
   --> /home/runner/work/glacier/glacier/ices/80742.rs:27:36
    |
8   | / struct Inline<T>
9   | | where
10  | |     [u8; ::core::mem::size_of::<T>() + 1]: ,
11  | | {
12  | |     _phantom: PhantomData<T>,
13  | |     buf: [u8; ::core::mem::size_of::<T>() + 1],
14  | | }
    | |_- function or associated item `new` not found for this
...
27  |       let dst = Inline::<dyn Debug>::new(0); // BANG!
    |                                      ^^^ function or associated item not found in `Inline<dyn Debug>`
    |
    = note: the method `new` exists but the following trait bounds were not satisfied:
            `dyn Debug: Sized`

error[E0277]: the size for values of type `dyn Debug` cannot be known at compilation time
  --> /home/runner/work/glacier/glacier/ices/80742.rs:27:15
   |
8  | struct Inline<T>
   |               - required by this bound in `Inline`
...
27 |     let dst = Inline::<dyn Debug>::new(0); // BANG!
   |               ^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `dyn Debug`
help: consider relaxing the implicit `Sized` restriction
   |
8  | struct Inline<T: ?Sized>
   |                ^^^^^^^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0277, E0599.
For more information about an error, try `rustc --explain E0277`.
==============