[libcxx-commits] [libcxx] [libc++][test] Make narrowing in `nasty_char_traits::to_char_type` more explicit (PR #138375)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 approved this pull request.

IMO this is silly, but I don't think I care enough to block this.

https://github.com/llvm/llvm-project/pull/138375