https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65382
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|pointer-to-noexcept-functio |[C++11/14 only] |n typealias allowed via |pointer-to-noexcept-functio |using |n typealias allowed via | |using --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- C++11: An exception-specification shall not appear in a typedef declaration or alias-declaration. But C++17 removed that restriction. The question becomes how important is this now the restriction is gone in new C++ standard and GCC moved to C++17 by default already.