These tests necessarily need to change now that `?Sized` is not sufficient to accept extern types and `PointeeSized` is now necessary. In addition, the `size_of_val`/`align_of_val` test can now be changed to expect an error.
These tests necessarily need to change now that `?Sized` is not sufficient to accept extern types and `PointeeSized` is now necessary. In addition, the `size_of_val`/`align_of_val` test can now be changed to expect an error.