https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97230
--- Comment #1 from Eligor Kadaf <eligorkadaf at gmail dot com> --- Basically it described in 7th paragraph in [expr.const] of the latest C++ standard draft: https://eel.is/c++draft/expr.const#5
eligorkadaf at gmail dot com via Gcc-bugs Mon, 28 Sep 2020 07:52:05 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97230
--- Comment #1 from Eligor Kadaf <eligorkadaf at gmail dot com> --- Basically it described in 7th paragraph in [expr.const] of the latest C++ standard draft: https://eel.is/c++draft/expr.const#5