Rollup of 7 pull requests

[Zalathar]

Successful merges:

• std::net: Solaris supports SOCK_CLOEXEC as well since 11.4. #130361 (std::net: Solaris supports SOCK_CLOEXEC as well since 11.4.)
• Add value accessor methods to Mutex and RwLock #133406 (Add value accessor methods to Mutex and RwLock)
• don't show the full linker args unless --verbose is passed #133633 (don't show the full linker args unless --verbose is passed)
• Add some convenience helper methods on hir::Safety #134285 (Add some convenience helper methods on hir::Safety)
• Add clarity to the examples of some Vec & VecDeque methods #134310 (Add clarity to the examples of some Vec & VecDeque methods)
• Don't make a def id for impl_trait_in_bindings #134313 (Don't make a def id for impl_trait_in_bindings)
• A couple of polonius fact generation cleanups #134315 (A couple of polonius fact generation cleanups)

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