add rustdoc test for everybody_loops fix

Author: QuietMisdreavus

src/test/rustdoc/traits-in-bodies.rs

@@ -0,0 +1,29 @@
+// 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.
+
+//prior to fixing `everybody_loops` to preserve items, rustdoc would crash on this file, as it
+//didn't see that `SomeStruct` implemented `Clone`
+
+//FIXME(misdreavus): whenever rustdoc shows traits impl'd inside bodies, make sure this test
+//reflects that
+
+pub struct Bounded<T: Clone>(T);
+
+pub struct SomeStruct;
+
+fn asdf() -> Bounded<SomeStruct> {
+    impl Clone for SomeStruct {
+        fn clone(&self) -> SomeStruct {
+            SomeStruct
+        }
+    }
+
+    Bounded(SomeStruct)
+}