| // 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); |
| } |
