rust/src/test/compile-fail/mir_check_cast_unsize.rs
2017-12-20 14:38:12 -05:00

25 lines
773 B
Rust

// Copyright 2017 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.
// compile-flags: -Z borrowck=mir -Z nll
#![allow(dead_code)]
#![feature(dyn_trait)]
use std::fmt::Debug;
fn bar<'a>(x: &'a u32) -> &'static dyn Debug {
//~^ ERROR free region `'a` does not outlive free region `'static`
x
//~^ WARNING not reporting region error due to -Znll
}
fn main() {}