19 lines
413 B
Rust
19 lines
413 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
|
|
|
|
#[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();
|
|
}
|