[Bug libstdc++/104465] std::vector should satisfy std::ranges::viewable_range (P2415 for -c++2b)

[zyn7109 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104465

--- Comment #1 from Younan Zhang <zyn7109 at gmail dot com> ---
* link typo for Clang 13 demo: https://gcc.godbolt.org/z/f7Eb53zb5