[libcxx-commits] [libcxx] [libc++][hardening] Use bounded iterators in std::vector and std::string (PR #78929)

[Konstantin Varlamov via libcxx-commits]

var-const wrote:

(I think everything I planned to do is uploaded now, I plan to merge before tomorrow's cutoff time if no objections)

https://github.com/llvm/llvm-project/pull/78929