Rollup of 6 pull requests
Successful merges:
- #89685 (refactor: VecDeques Iter fields to private)
- #97172 (Optimize the diagnostic generation for `extern unsafe`)
- #97395 (Miri call ABI check: ensure type size+align stay the same)
- #97431 (don't do `Sized` and other return type checks on RPIT's real type)
- #97555 (Source code page: line number click adds `NaN`)
- #97558 (Fix typos in comment)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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