| //@ run-pass | |
| // #14399 | |
| // We'd previously ICE if we had a method call whose return | |
| // value was coerced to a trait object. (v.clone() returns Box<B1> | |
| // which is coerced to Box<A>). | |
| //@ pretty-expanded FIXME #23616 | |
| #[derive(Clone)] | |
| struct B1; | |
| trait A { fn foo(&self) {} } //~ WARN method `foo` is never used | |
| impl A for B1 {} | |
| fn main() { | |
| let v: Box<_> = Box::new(B1); | |
| let _c: Box<dyn A> = v.clone(); | |
| } |