Rollup of 8 pull requests Successful merges: - #124048 (Support C23's Variadics Without a Named Parameter) - #125046 (Only allow immutable statics with #[linkage]) - #125466 (Don't continue probing for method if in suggestion and autoderef hits ambiguity) - #125469 (Don't skip out of inner const when looking for body for suggestion) - #125544 (Also mention my-self for other check-cfg docs changes) - #125559 (Simplify the `unchecked_sh[lr]` ub-checks a bit) - #125566 (Notify T-rustdoc for beta-accepted and stable-accepted too) - #125582 (Avoid a `FieldIdx::from_usize` in InstSimplify) r? `@ghost` `@rustbot` modify labels: rollup