https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102479
--- Comment #1 from Kent Ross <root.main at gmail dot com> --- The error also occurs in c++20 and c++17 modes.
root.main at gmail dot com via Gcc-bugs Fri, 24 Sep 2021 14:38:49 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102479
--- Comment #1 from Kent Ross <root.main at gmail dot com> --- The error also occurs in c++20 and c++17 modes.