Rollup of 9 pull requests#127650

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matthiaskrgr wants to merge 41 commits intorust-lang:masterfrom

matthiaskrgr:rollup-ku8urgp

Commits on May 10, 2024

Add fn allocator method to rc/sync::Weak. Relax Rc<T>/Arc<T>::allocator to allow unsized T.
zachs18
committed

Commits on Jun 30, 2024

Commits on Jul 1, 2024

Add testing for anonymous pipe
NobodyXu
committed

Commits on Jul 2, 2024

Commits on Jul 6, 2024

Stabilize const_cstr_from_ptr (CStr::from_ptr, CStr::count_bytes)
dtolnay
committed

Commits on Jul 9, 2024

Refactor: Make `AcessMode` an enum`
NobodyXu
committed

Commits on Jul 11, 2024

Commits on Jul 12, 2024