23 lines
888 B
Rust
23 lines
888 B
Rust
// Copyright 2015 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.
|
|
|
|
// error-pattern: unsupported cyclic reference between types/traits detected
|
|
// note-pattern: the cycle begins when computing layout of
|
|
// note-pattern: ...which then requires computing layout of
|
|
// note-pattern: ...which then again requires computing layout of
|
|
|
|
|
|
trait Mirror { type It: ?Sized; }
|
|
impl<T: ?Sized> Mirror for T { type It = Self; }
|
|
struct S(Option<<S as Mirror>::It>);
|
|
|
|
fn main() {
|
|
let _s = S(None);
|
|
}
|