// 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. enum E1 { V1(E2), } enum E2 { V2(E2), } //~^ ERROR illegal recursive enum type; wrap the inner value in a box to make it representable fn main() { }