https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104695
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c++ |libquadmath --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Hmm: https://en.cppreference.com/w/c/numeric/math/nan Note I don't know if Nan needs to keep its bit pattern all the time and/or when it can change.