[libcxx-commits] [libcxx] [libc++][memory] Applied `[[nodiscard]]` to more functions (PR #172131)

[Hristo Hristov via libcxx-commits]

H-G-Hristov wrote:

> I've changed PR description to more precisely refer to `addressof`, `is_sufficient_aligned`, removed members of `allocator` (removed in C++20), and `raw_storage_iterator` (removed in C++20). For components removed in C++20, I pasted links to an online final draft of C++17. Please double check whether this is fine.

Thank you for updating the description.

https://github.com/llvm/llvm-project/pull/172131