src/test/ui/type_length_limit.rs

// Copyright 2016 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: reached the type-length limit while instantiating

// Test that the type length limit can be changed.

#![allow(dead_code)]
#![type_length_limit="256"]

macro_rules! link {
    ($id:ident, $t:ty) => {
        pub type $id = ($t, $t, $t);
    }
}

link! { A, B }
link! { B, C }
link! { C, D }
link! { D, E }
link! { E, F }
link! { F, G }

pub struct G;

fn main() {
    drop::<Option<A>>(None);
}