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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.
// Test that we do not leak when the arg pattern must drop part of the
// argument (in this case, the `y` field).
#![allow(unknown_features)]
#![feature(box_syntax)]
struct Foo {
x: Box<usize>,
y: Box<usize>,
}
fn foo(Foo {x, ..}: Foo) -> *const usize {
let addr: *const usize = &*x;
addr
}
pub fn main() {
let obj: Box<_> = box 1;
let objptr: *const usize = &*obj;
let f = Foo {x: obj, y: box 2};
let xptr = foo(f);
assert_eq!(objptr, xptr);
}
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