| // 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. |
| |
| // ignore-compare-mode-nll |
| |
| // Test that the borrow checker prevents pointers to temporaries |
| // with statement lifetimes from escaping. |
| |
| use std::ops::Drop; |
| |
| static mut FLAGS: u64 = 0; |
| |
| struct Box<T> { f: T } |
| struct AddFlags { bits: u64 } |
| |
| fn AddFlags(bits: u64) -> AddFlags { |
| AddFlags { bits: bits } |
| } |
| |
| fn arg(x: &AddFlags) -> &AddFlags { |
| x |
| } |
| |
| impl AddFlags { |
| fn get(&self) -> &AddFlags { |
| self |
| } |
| } |
| |
| pub fn main() { |
| let _x = arg(&AddFlags(1)); //~ ERROR value does not live long enough |
| let _x = AddFlags(1).get(); //~ ERROR value does not live long enough |
| let _x = &*arg(&AddFlags(1)); //~ ERROR value does not live long enough |
| let ref _x = *arg(&AddFlags(1)); //~ ERROR value does not live long enough |
| let &ref _x = arg(&AddFlags(1)); //~ ERROR value does not live long enough |
| let _x = AddFlags(1).get(); //~ ERROR value does not live long enough |
| let Box { f: _x } = Box { f: AddFlags(1).get() }; //~ ERROR value does not live long enough |
| } |