[rustc.git] / src / test / run-pass / issue-14399.rs

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// #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

#![allow(unknown_features)]
#![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<A> = v.clone();
}
Commit	Line	Data
1a4d82fc	1	// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
223e47cc LB	2	// file at the top-level directory of this distribution and at
	3	// http://rust-lang.org/COPYRIGHT.
	4	//
	5	// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
	6	// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
	7	// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
	8	// option. This file may not be copied, modified, or distributed
	9	// except according to those terms.
	10
1a4d82fc JJ	11	// #14399
	12	// We'd previously ICE if we had a method call whose return
	13	// value was coerced to a trait object. (v.clone() returns Box<B1>
	14	// which is coerced to Box<A>).
223e47cc	15
c34b1796 AL	16	// pretty-expanded FIXME #23616
c34b1796 AL	17
1a4d82fc JJ	18	#![allow(unknown_features)]
1a4d82fc JJ	19	#![feature(box_syntax)]
970d7e83	20
1a4d82fc JJ	21	#[derive(Clone)]
	22	struct B1;
	23
85aaf69f	24	trait A { fn foo(&self) {} }
1a4d82fc	25	impl A for B1 {}
223e47cc LB	26
223e47cc LB	27	fn main() {
c34b1796	28	let v: Box<_> = box B1;
1a4d82fc	29	let _c: Box<A> = v.clone();
223e47cc	30	}