src/test/ui/compare-method/region-extra-2.rs


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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.

// Regression test for issue #22779. An extra where clause was
// permitted on the impl that is not present on the trait.

trait Tr<'a, T> {
    fn renew<'b: 'a>(self) -> &'b mut [T];
}

impl<'a, T> Tr<'a, T> for &'a mut [T] {
    fn renew<'b: 'a>(self) -> &'b mut [T] where 'a: 'b {
        //~^ ERROR E0276
        &mut self[..]
    }
}

fn main() { }