| // Copyright 2018 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. |
| |
| use std::marker::PhantomData; |
| |
| struct AssertSync<T: Sync>(PhantomData<T>); |
| |
| pub struct Foo { |
| bar: *const Bar, |
| phantom: PhantomData<Bar>, |
| } |
| |
| pub struct Bar { |
| foo: *const Foo, |
| phantom: PhantomData<Foo>, |
| } |
| |
| fn main() { |
| let _: AssertSync<Foo> = unimplemented!(); |
| //~^ ERROR E0277 |
| //~| ERROR E0277 |
| } |
