0b475c705f
Rollup of 6 pull requests Successful merges: - #98202 (Implement `TryFrom<&OsStr>` for `&str`) - #107619 (Specify behavior of HashSet::insert) - #109814 (Stabilize String::leak) - #111974 (Update runtime guarantee for `select_nth_unstable`) - #112109 (Don't print unsupported split-debuginfo modes with `-Zunstable-options`) - #112506 (Properly check associated consts for infer placeholders) r? `@ghost` `@rustbot` modify labels: rollup