https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117475
--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #2) > This was p0883r2 : > https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0883r2.pdf > > Which was the change in C++20. Which was implemented in r10-5914-ge4379a931d140a