[libcxx-commits] [libcxx] [libc++] Implement single element vector::insert in terms of emplace (PR #210284)

[Louis Dionne via libcxx-commits]

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

LGTM with minor suggestions and assuming the benchmarks show no regressions.

https://github.com/llvm/llvm-project/pull/210284