8bd8466e81
compilation: this removes all the ungainly code that special cases overflow so that we can ensure it propagates.
47 lines
1.2 KiB
Rust
47 lines
1.2 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test that the recursion limit can be changed. In this case, we have
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// deeply nested types that will fail the `Send` check by overflow
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// when the recursion limit is set very low.
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#![allow(dead_code)]
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#![recursion_limit="10"]
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macro_rules! link {
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($id:ident, $t:ty) => {
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enum $id { $id($t) }
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}
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}
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link! { A, B }
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link! { B, C }
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link! { C, D }
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link! { D, E }
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link! { E, F }
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link! { F, G }
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link! { G, H }
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link! { H, I }
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link! { I, J }
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link! { J, K }
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link! { K, L }
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link! { L, M }
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link! { M, N }
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enum N { N(usize) }
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fn is_send<T:Send>() { }
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fn main() {
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is_send::<A>();
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//~^ ERROR overflow evaluating
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//~| NOTE consider adding a `#![recursion_limit="20"]` attribute to your crate
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}
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