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From: "hewillk at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/100795] ranges::sample should not use std::sample
 directly
Date: Thu, 27 May 2021 12:11:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100795

--- Comment #3 from =E5=BA=B7=E6=A1=93=E7=91=8B <hewillk at gmail dot com> =
---
(In reply to =E5=BA=B7=E6=A1=93=E7=91=8B from comment #2)
> ranges::inplace_merge has the same issue:
>=20
>=20
> #include <algorithm>
> #include <array>
> #include <ranges>
>=20
> int main() {
>   std::array a{42, 42, 42};
>   auto r =3D std::views::iota(0, 3) |=20
>            std::views::transform([&a](int i) -> int& { return a[i]; });
>   std::ranges::inplace_merge(r, r.begin());
> }
>=20
> https://godbolt.org/z/q6jbxGMjd

Same for ranges::stable_sort and ranges::stable_partition.
(https://godbolt.org/z/qffGMW477)=