3 struct B<'a, T:'a>(&'a (dyn A<T> + 'a));
6 impl<'a, T> X for B<'a, T> {}
8 fn i<'a, T, U>(v: Box<dyn A<U>+'a>) -> Box<dyn X + 'static> {
9 Box::new(B(&*v)) as Box<dyn X>
10 //~^ ERROR the parameter type `U` may not live long enough [E0310]
11 //~| ERROR the parameter type `U` may not live long enough [E0310]
12 //~| ERROR the parameter type `U` may not live long enough [E0310]
13 //~| ERROR lifetime may not live long enough
14 //~| ERROR cannot return value referencing local data `*v` [E0515]
15 //~| ERROR the parameter type `U` may not live long enough [E0310]