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From: "hewillk at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/101587] ranges::uninitialized_copy/move incorrectly
 uses std::min
Date: Fri, 23 Jul 2021 09:56:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101587

--- Comment #2 from =E5=BA=B7=E6=A1=93=E7=91=8B <hewillk at gmail dot com> =
---
(In reply to Jonathan Wakely from comment #1)
> Maybe we should add this somewhere and just stop using std::min for integ=
ers:
>=20
>   struct __min_fn
>   {
>     template<typename _Tp, typename _Up>
>       typename common_type<_Tp, _Up>::type
>       operator()(_Tp __t, _Up __u) const noexcept
>       { return std::min<typename common_type<_Tp, _Up>::type>(__t, __u); }
>   };
>   _GLIBCXX17_INLINE constexpr __min_fn __min{};

It may cause problems when comparing integers with different signedness.=