https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102600
--- Comment #2 from Johel Ernesto Guerrero Peña <johelegp at gmail dot com> --- A workaround: ```C++ export using byte = // Workaround GCC bug 102600. #if not defined(NDEBUG) or (defined(__clang__) or not defined(__GNUC__)) std::byte; #else unsigned char; #endif ```