// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // error-pattern: reached the recursion limit while auto-dereferencing #![feature(box_syntax)] use std::ops::Deref; struct Foo; impl Deref for Foo { type Target = Foo; fn deref(&self) -> &Foo { self } } pub fn main() { let mut x; loop { x = box x; x.foo; x.bar(); } Foo.foo; Foo.bar(); }