[libcxx-commits] [libcxx] [libc++][test] Improve tests for assign in std::vector and vector<bool> (PR #119163)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne approved this pull request.

LGTM, thanks! Please rebase onto `main` (you'll get a small merge conflict in `vector::assign` tests because of a change I made, sorry about that).

https://github.com/llvm/llvm-project/pull/119163