Auto merge of #116483 - GuillaumeGomez:rollup-z65pno1, r=GuillaumeGomez

Rollup of 6 pull requests

Successful merges:

 - #115454 (Clarify example in docs of str::char_slice)
 - #115522 (Clarify ManuallyDrop bit validity)
 - #115588 (Fix a comment in std::iter::successors)
 - #116198 (Add more diagnostic items for clippy)
 - #116329 (update some comments around swap())
 - #116475 (rustdoc-search: fix bug with multi-item impl trait)

r? `@ghost`
`@rustbot` modify labels: rollup