https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96269
--- Comment #5 from Ville Voutilainen <ville.voutilainen at gmail dot com> --- Oh, and if you define a spaceship operator for your type, then things work again, with or without FLIP.
ville.voutilainen at gmail dot com via Gcc-bugs Thu, 05 Nov 2020 08:07:41 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96269
--- Comment #5 from Ville Voutilainen <ville.voutilainen at gmail dot com> --- Oh, and if you define a spaceship operator for your type, then things work again, with or without FLIP.