[Bug c++/63650] conflicting type attributes specified for ‘virtual..'

[richard at netbsd dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63650

--- Comment #7 from Richard PALO <richard at netbsd dot org> ---
Further testing indicates that 'cdecl' is okay and that keeping 'regparm(0)'
causes the error.