[Bug libstdc++/100475] semiregular-box's constructor uses wrong list-initialization

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100475

--- Comment #2 from 康桓瑋 <hewillk at gmail dot com> ---
Reduced example:

#include <ranges>

struct S {
  S() = default;
  S(int, int) {}
  S(std::initializer_list<int>) = delete;
};

std::ranges::single_view<S> single(std::in_place, 0, 0);

https://godbolt.org/z/d1bE8sPdd