rust/src/test/ui/issues/issue-14399.rs
2019-07-27 18:56:16 +03:00

21 lines
394 B
Rust

// 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
#![feature(box_syntax)]
#[derive(Clone)]
struct B1;
trait A { fn foo(&self) {} }
impl A for B1 {}
fn main() {
let v: Box<_> = box B1;
let _c: Box<dyn A> = v.clone();
}