tests/rustdoc/doc-hidden-trait-implementors-33069.rs

// https://github.com/rust-lang/rust/issues/33069
#![crate_name="issue_33069"]

pub trait Bar {}

#[doc(hidden)]
pub mod hidden {
    pub struct Foo;
}

// @has issue_33069/trait.Bar.html
// @!has - '//code' 'impl Bar for Foo'
impl Bar for hidden::Foo {}