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// 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 <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.
// Issue #5781. Tests that subtyping is handled properly in trait matching.
trait Make<'a> {
fn make(x: &'a mut isize) -> Self;
}
impl<'a> Make<'a> for &'a mut isize {
fn make(x: &'a mut isize) -> &'a mut isize {
x
}
}
fn f() -> &'static mut isize {
let mut x = 1;
let y: &'static mut isize = Make::make(&mut x); //~ ERROR `x` does not live long enough
y
}
fn main() {}
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