rust/src/test/compile-fail/issue-15034.rs

// 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.

pub struct Lexer<'a> {
    input: &'a str,
}

impl<'a> Lexer<'a> {
    pub fn new(input: &'a str) -> Lexer<'a> {
        Lexer { input: input }
    }
}

struct Parser<'a> {
    lexer: &'a mut Lexer<'a>,
}

impl<'a> Parser<'a> {
    pub fn new(lexer: &'a mut Lexer) -> Parser<'a> {
        Parser { lexer: lexer }
        //~^ ERROR cannot infer an appropriate lifetime
    }
}

fn main() {}