src/test/rustdoc/intra-doc/no-doc-primitive.rs

// Crate tree without a `doc(primitive)` module for primitive type linked to by a doc link.

#![deny(rustdoc::broken_intra_doc_links)]
#![feature(no_core, lang_items, rustc_attrs)]
#![no_core]
#![rustc_coherence_is_core]
#![crate_type = "rlib"]

// @has no_doc_primitive/index.html
//! A [`char`] and its [`char::len_utf8`].
impl char {
    pub fn len_utf8(self) -> usize {
        42
    }
}