35 lines
981 B
Rust
35 lines
981 B
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(unsafe_destructor)]
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struct Leak<'a> {
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dropped: &'a mut bool
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}
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#[unsafe_destructor]
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impl<'a> Drop for Leak<'a> {
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fn drop(&mut self) {
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*self.dropped = true;
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}
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}
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fn main() {
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let mut dropped = false;
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{
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let leak = Leak { dropped: &mut dropped };
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// FIXME(#21721) "hack" used to be () but that can cause
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// certain LLVM versions to abort during optimizations.
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for (_, leaked) in Some(("hack", leak)).into_iter() {}
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}
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assert!(dropped);
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}
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