[libcxx-commits] [libcxx] [libc++][chrono] Applied `[[nodiscard]]` to The Civil Calendar (PR #174968)

[Hristo Hristov via libcxx-commits]

H-G-Hristov wrote:

I'll create a per-requisite PR as GH messes presents the changes in almost unreadable form.

https://github.com/llvm/llvm-project/pull/174968