Rollup of 8 pull requests#85035

Closed

Dylan-DPC-zz wants to merge 19 commits intorust-lang:masterfrom

Dylan-DPC-zz:rollup-x0g0tqc

Commits on May 3, 2021

Unify rustc and rustdoc parsing of `cfg()`

jyn514
and
petrochenkov
committed

Commits on May 6, 2021

Commits on May 7, 2021