Auto merge of #78623 - m-ou-se:rollup-m6y5j0m, r=m-ou-se

Rollup of 6 pull requests

Successful merges:

 - #78073 (Add #[inline] to some functions in core::str.)
 - #78596 (Fix doc links to std::fmt)
 - #78599 (Add note to process::arg[s] that args shouldn't be escaped or quoted)
 - #78602 (fix various aliasing issues in the standard library)
 - #78603 (expand: Tweak a comment in implementation of `macro_rules`)
 - #78621 (Inline Default::default() for atomics)

Failed merges:

r? `@ghost`