Rollup of 6 pull requests#113120

Merged

bors merged 25 commits intorust-lang:masterfrom

Dylan-DPC:rollup-cz4qr3o

Jun 28, 2023

Commits on Jun 2, 2023

Simplify pre-order algorithm.
cjgillot
committed

Commits on Jun 20, 2023

Commits on Jun 21, 2023

Remove outdated import in r-a proc macro server.
m-ou-se
committed

Commits on Jun 27, 2023

Commits on Jun 28, 2023