[libcxx-commits] [libcxx] [libc++] Reformat `optional` constructor tests (PR #169231)

[A. Jiang via libcxx-commits]

frederick-vs-ja wrote:

Did you intentionally mention #169231 in the PR description? If we use it as squashed commit message as-is, it will make that PR mentioned many times in the GitHub UI. (I'm just a bit nervous about this.)

https://github.com/llvm/llvm-project/pull/169231