Auto merge of #125593 - workingjubilee:rollup-67qk7di, r=workingjubilee

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

Author: bors