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// check-pass
#![feature(coerce_unsized, unsize)]
use std::marker::Unsize;
use std::ops::CoerceUnsized;
struct Foo<T: ?Sized>(Box<T>);
impl<T> CoerceUnsized<Foo<dyn Baz>> for Foo<T> where T: Unsize<dyn Baz> {}
struct Bar;
trait Baz {}
impl Baz for Bar {}
fn main() {
let foo = Foo(Box::new(Bar));
let foobar: Foo<Bar> = foo;
}
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