#[stable(feature = "rust1", since = "1.0.0")]
unsafe impl<T> Send for Cell<T> where T: Send {}
+#[stable(feature = "rust1", since = "1.0.0")]
+impl<T> !Sync for Cell<T> {}
+
#[stable(feature = "rust1", since = "1.0.0")]
impl<T:Copy> Clone for Cell<T> {
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
unsafe impl<T: ?Sized> Send for RefCell<T> where T: Send {}
+#[stable(feature = "rust1", since = "1.0.0")]
+impl<T: ?Sized> !Sync for RefCell<T> {}
+
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: Clone> Clone for RefCell<T> {
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
unsafe impl<T: Send> Send for Receiver<T> { }
+#[stable(feature = "rust1", since = "1.0.0")]
+impl<T> !Sync for Receiver<T> { }
+
/// An iterator over messages on a receiver, this iterator will block
/// whenever `next` is called, waiting for a new message, and `None` will be
/// returned when the corresponding channel has hung up.
#[stable(feature = "rust1", since = "1.0.0")]
unsafe impl<T: Send> Send for Sender<T> { }
+#[stable(feature = "rust1", since = "1.0.0")]
+impl<T> !Sync for Sender<T> { }
+
/// The sending-half of Rust's synchronous channel type. This half can only be
/// owned by one thread, but it can be cloned to send to other threads.
#[stable(feature = "rust1", since = "1.0.0")]
+++ /dev/null
-// Copyright 2013 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::sync::mpsc::Receiver;
-
-fn test<T: Sync>() {}
-
-fn main() {
- test::<Receiver<isize>>(); //~ ERROR: `core::marker::Sync` is not implemented
-}
+++ /dev/null
-// Copyright 2013 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::sync::mpsc::Sender;
-
-fn test<T: Sync>() {}
-
-fn main() {
- test::<Sender<isize>>(); //~ ERROR: `core::marker::Sync` is not implemented
-}
+++ /dev/null
-// Copyright 2013 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::rc::Rc;
-use std::cell::RefCell;
-
-fn bar<T: Sync>(_: T) {}
-
-fn main() {
- let x = Rc::new(RefCell::new(5));
- bar(x);
- //~^ ERROR the trait `core::marker::Sync` is not implemented
-}
--- /dev/null
+// Copyright 2016 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::cell::{Cell, RefCell};
+use std::rc::{Rc, Weak};
+use std::sync::mpsc::{Receiver, Sender, SyncSender};
+
+fn test<T: Sync>() {}
+
+fn main() {
+ test::<Cell<i32>>();
+ //~^ ERROR marker::Sync` is not implemented for the type `core::cell::Cell<i32>`
+ test::<RefCell<i32>>();
+ //~^ ERROR marker::Sync` is not implemented for the type `core::cell::RefCell<i32>`
+
+ test::<Rc<i32>>();
+ //~^ ERROR marker::Sync` is not implemented for the type `alloc::rc::Rc<i32>`
+ test::<Weak<i32>>();
+ //~^ ERROR marker::Sync` is not implemented for the type `alloc::rc::Weak<i32>`
+
+ test::<Receiver<i32>>();
+ //~^ ERROR marker::Sync` is not implemented for the type `std::sync::mpsc::Receiver<i32>`
+ test::<Sender<i32>>();
+ //~^ ERROR marker::Sync` is not implemented for the type `std::sync::mpsc::Sender<i32>`
+ test::<SyncSender<i32>>();
+ //~^ ERROR marker::Sync` is not implemented for the type `std::sync::mpsc::SyncSender<i32>`
+}