https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89642
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- GCC, ICC, clang and MSVC all reject this at -std=c++20 (or /std:c++latest for MSVC).
pinskia at gcc dot gnu.org via Gcc-bugs Wed, 04 Aug 2021 22:43:38 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89642
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- GCC, ICC, clang and MSVC all reject this at -std=c++20 (or /std:c++latest for MSVC).