[llvm-branch-commits] [clang] [Clang] Do not warn on UTF-16 -> UTF-32 conversions. (#163927) (PR #164654)

[Aaron Ballman via llvm-branch-commits]

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

LGTM aside from the PR summary, should have a release note (perhaps on the release branch).

https://github.com/llvm/llvm-project/pull/164654