rustdoc: Only hide possibly private modules

If an empty public module has no documentation, it shouldn't emit a page that's
just a redirect loop to itself!

Closes #16265

1 files changed, 15 insertions, 0 deletions

diff --git a/src/test/rustdoc/issue-16265-2.rs b/src/test/rustdoc/issue-16265-2.rs
new file mode 100644
index 00000000000..22a8df407e0
--- /dev/null
+++ b/src/test/rustdoc/issue-16265-2.rs
@@ -0,0 +1,15 @@
+// Copyright 2015 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.
+
+
+// @has issue_16265_2/index.html '[src]'
+
+trait Y {}
+impl Y for Option<u32>{}