1 error: `?Trait` is not permitted in supertraits
2 --> $DIR/maybe-bounds.rs:1:11
4 LL | trait Tr: ?Sized {}
7 = note: traits are `?Sized` by default
9 error: `?Trait` is not permitted in trait object types
10 --> $DIR/maybe-bounds.rs:4:20
12 LL | type A1 = dyn Tr + (?Sized);
15 error: `?Trait` is not permitted in trait object types
16 --> $DIR/maybe-bounds.rs:6:28
18 LL | type A2 = dyn for<'a> Tr + (?Sized);
21 error: aborting due to 3 previous errors