Test: virtual_destructor.cpp
virtual_destructor.cpp:12:13: error: duplicate 'virtual'
   12 |     virtual virtual virtual virtual ~Plugin() {  // BUG: Missing virtual
      |             ^~~~~~~
      |             -------
virtual_destructor.cpp:12:21: error: duplicate 'virtual'
   12 |     virtual virtual virtual virtual ~Plugin() {  // BUG: Missing virtual
      |                     ^~~~~~~
      |                     -------
virtual_destructor.cpp:12:29: error: duplicate 'virtual'
   12 |     virtual virtual virtual virtual ~Plugin() {  // BUG: Missing virtual
      |                             ^~~~~~~
      |                             -------