Rollup merge of #64599 - csmoe:doc_async_reexport, r=nikomatsakis

Rustdoc render async function re-export

Closes #63710
r? @nikomatsakis

diff --cc src/librustc/query/mod.rs
Simple merge

diff --cc src/librustc/ty/mod.rs
Simple merge

diff --cc src/librustc_metadata/cstore_impl.rs
Simple merge

diff --cc src/librustc_metadata/decoder.rs
Simple merge

diff --cc src/librustc_metadata/encoder.rs
Simple merge

diff --cc src/librustdoc/clean/inline.rs
Simple merge

diff --cc src/librustdoc/clean/mod.rs
Simple merge