// Copyright 2016 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Modified regression test for Issue #30438 that exposed an // independent issue (see discussion on ticket). use std::ops::Index; struct Test<'a> { s: &'a String } impl <'a> Index for Test<'a> { type Output = Test<'a>; fn index(&self, _: usize) -> &Self::Output { &Test { s: &self.s} //~^ ERROR: borrowed value does not live long enough } } fn main() { let s = "Hello World".to_string(); let test = Test{s: &s}; let r = &test[0]; println!("{}", test.s); // OK since test is valid println!("{}", r.s); // Segfault since value pointed by r has already been dropped }