[Bug c++/77601] error: cannot convert 'is_same' to 'const bool' in initialization

[lh_mouse at 126 dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77601

--- Comment #1 from lh_mouse <lh_mouse at 126 dot com> ---
Oops, the last line in `main()` should have been

    constexpr bool b3 = is_same<int, int>{};

And as the comment before that line says, it works with g++.