| // 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 <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. |
| |
| // Simplified regression test for #30438, inspired by arielb1. |
| |
| trait Trait { type Out; } |
| |
| struct Test<'a> { s: &'a str } |
| |
| fn silly<'y, 'z>(_s: &'y Test<'z>) -> &'y <Test<'z> as Trait>::Out where 'z: 'static { |
| let x = Test { s: "this cannot last" }; |
| &x |
| //~^ ERROR: `x` does not live long enough |
| } |
| |
| impl<'b> Trait for Test<'b> { type Out = Test<'b>; } |
| |
| fn main() { |
| let orig = Test { s: "Hello World" }; |
| let r = silly(&orig); |
| println!("{}", orig.s); // OK since `orig` is valid |
| println!("{}", r.s); // Segfault (method does not return a sane value) |
| } |