Test: virtual_destructor.cpp
virtual_destructor.cpp:12:17: error: duplicate 'virtual'
   12 |     virtual     virtual     virtual ~Plugin() {
      |                 ^~~~~~~
      |                 -------
virtual_destructor.cpp:12:29: error: duplicate 'virtual'
   12 |     virtual     virtual     virtual ~Plugin() {
      |                             ^~~~~~~
      |                             -------