1 error: `?Trait` is not permitted in trait object types
2 --> $DIR/issue-72267.rs:4:21
4 LL | let _: Box<(dyn ?Sized)>;
7 error[E0224]: at least one trait is required for an object type
8 --> $DIR/issue-72267.rs:4:17
10 LL | let _: Box<(dyn ?Sized)>;
13 error: aborting due to 2 previous errors
15 For more information about this error, try `rustc --explain E0224`.