[Bug libstdc++/111861] ranges::min/max should not use `auto __result = *__first;`

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111861

--- Comment #2 from 康桓瑋 <hewillk at gmail dot com> ---
(In reply to Patrick Palka from comment #1)
> Interesting, I guess 'auto x = *iter;' should never be done in generic code
> then?

Yap, even 'range_value_t<R> x = *iter;'.