Rollup of 14 pull requests

[Manishearth]

Successful merges:

• [aarch64] add target feature outline-atomics #83655 ([aarch64] add target feature outline-atomics)
• implement advance_(back_)_by on more iterators #87091 (implement advance_(back_)_by on more iterators)
• Fix an ICE caused by type mismatch errors being ignored #88451 (Fix an ICE caused by type mismatch errors being ignored)
• VecDeque: improve performance for From<[T; N]> #88452 (VecDeque: improve performance for From<[T; N]>)
• Add a try_clone() function to OwnedFd. #88794 (Add a try_clone() function to OwnedFd.)
• Improve wording of map_or_else docs #89400 (Improve wording of map_or_else docs)
• Recommend running cargo clean in E0514 output #89407 (Recommend running cargo clean in E0514 output)
• Include the length in BTree hashes #89443 (Include the length in BTree hashes)
• rustdoc: use slice::contains instead of open-coding it #89444 (rustdoc: use slice::contains instead of open-coding it)
• Improve error message for missing angle brackets in [_]::method #89447 (Improve error message for missing angle brackets in [_]::method)
• Consistently use 'supertrait'. #89453 (Consistently use 'supertrait'.)
• Practice diagnostic message convention #89483 (Practice diagnostic message convention)
• Fix ICE with buffered lint referring to AST node deleted by everybody_loops #89500 (Fix ICE with buffered lint referring to AST node deleted by everybody_loops)
• Stabilize const_panic #89508 (Stabilize const_panic)

Failed merges:

r? @ghost
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