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Copy pathcleanup-rvalue-scopes-cf.rs
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cleanup-rvalue-scopes-cf.rs
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// 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
}