Rollup of 8 pull requests#103629

Merged

bors merged 23 commits intorust-lang:masterfrom

matthiaskrgr:rollup-r94tqfa

Oct 28, 2022

Commits on Oct 16, 2022

remove redundant Send impls for references
RalfJung
committed

Commits on Oct 20, 2022

clarify documentation about the memory layout of `UnsafeCell`
Pointerbender
committed

Commits on Oct 22, 2022

Clean middle RPITITs correctly in rustdoc
compiler-errors
committed

Commits on Oct 24, 2022

fix typos

Pointerbender
and
RalfJung
authored

Commits on Oct 26, 2022

Commits on Oct 27, 2022