Auto merge of #33965 - Manishearth:rollup, r=Manishearth

Rollup of 5 pull requests

- Successful merges: #33867, #33926, #33942, #33958, #33964
- Failed merges:

1 files changed, 14 insertions, 0 deletions

diff --git a/src/test/compile-fail/issue-33571.rs b/src/test/compile-fail/issue-33571.rs
new file mode 100644
index 00000000000..5dfc41c8f4a
--- /dev/null
+++ b/src/test/compile-fail/issue-33571.rs
@@ -0,0 +1,14 @@
+// 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.
+
+#[derive(Clone,
+         Sync, //~ ERROR this unsafe trait should be implemented explicitly
+         Copy)]
+enum Foo {}