[libcxx-commits] [libcxx] [libc++] Resolve LWG4370 (PR #174062)

[A. Jiang via libcxx-commits]

https://github.com/frederick-vs-ja approved this pull request.

LGTM. I additionally removed one pair of unconventional braces.

https://github.com/llvm/llvm-project/pull/174062