26 lines
888 B
Rust
26 lines
888 B
Rust
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// Copyright 2015 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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#![feature(rustc_attrs)]
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#![allow(warnings)]
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pub fn fail(x: Option<& (Iterator+Send)>) -> Option<&Iterator> {
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// This call used to trigger an LLVM assertion because the return slot had type
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// "Option<&Iterator>"* instead of "Option<&(Iterator+Send)>"*
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inner(x)
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}
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pub fn inner(x: Option<& (Iterator+Send)>) -> Option<&(Iterator+Send)> {
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x
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}
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#[rustc_error]
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fn main() {} //~ ERROR compilation successful
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