]>
Commit | Line | Data |
---|---|---|
1a4d82fc JJ |
1 | // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | // Test that we do not leak when the arg pattern must drop part of the | |
12 | // argument (in this case, the `y` field). | |
13 | ||
c34b1796 | 14 | |
1a4d82fc JJ |
15 | #![allow(unknown_features)] |
16 | #![feature(box_syntax)] | |
17 | ||
18 | struct Foo { | |
c34b1796 AL |
19 | x: Box<usize>, |
20 | y: Box<usize>, | |
1a4d82fc JJ |
21 | } |
22 | ||
c34b1796 AL |
23 | fn foo(Foo {x, ..}: Foo) -> *const usize { |
24 | let addr: *const usize = &*x; | |
1a4d82fc JJ |
25 | addr |
26 | } | |
27 | ||
28 | pub fn main() { | |
c34b1796 AL |
29 | let obj: Box<_> = box 1; |
30 | let objptr: *const usize = &*obj; | |
1a4d82fc JJ |
31 | let f = Foo {x: obj, y: box 2}; |
32 | let xptr = foo(f); | |
33 | assert_eq!(objptr, xptr); | |
34 | } |