[Bug c++/113852] -Wsign-compare doesn't warn on unsigned result types

[admin at computerquip dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113852

--- Comment #1 from Zachary L <admin at computerquip dot com> ---
Sorry, that should say "If *both* a1 or a2 are constexpr, the warning will
occur."