On Sat, 1 Feb 2020 at 11:07, Edward Diener <eldlistmailingz@xxxxxxxxxxxxxx> wrote: > > Given the code: > > class cbase; > int main() > { > typedef int __attribute__ ((__stdcall__)) (cbase::* atype)(); > typedef int __attribute__ ((__cdecl__)) (cbase::* btype)(); > typedef int __attribute__ ((__fastcall__)) (cbase::* ctype)(); > typedef int __attribute__ ((__thiscall__)) (cbase::* dtype)(); > return 0; > } > > > If I compile this for x64 (-m64) in gcc-9.2 I receive no errors or Aside: Please don't misuse the term "x32" (which means something different here), and avoid the dumb "x64" term (which is a Windows-ism).