https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69953
--- Comment #10 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat foo.ii
namespace Glib {
class ObjectBase {
protected:
virtual ~ObjectBase();
};
class A : virtual public ObjectBase {};
class B : virtual public ObjectBase {};
}
namespace Gtk {
class C : Glib::A {};
class D : public Glib::B {};
class TreeViewColumn : C, D {
~TreeViewColumn();
};
TreeViewColumn::~TreeViewColumn() {}
}
markus@x4 tmp % g++ -Os -flto -fPIC -shared -nostdlib -std=c++11 foo.ii && nm
./a.out | grep "_ZTVN3Gtk14TreeViewColumnE"
00000000000026a8 d _ZTVN3Gtk14TreeViewColumnE
markus@x4 tmp % g++ -Os -fPIC -shared -nostdlib -std=c++11 foo.ii && nm ./a.out
| grep "_ZTVN3Gtk14TreeViewColumnE"
00000000000025c8 V _ZTVN3Gtk14TreeViewColumnE
markus@x4 tmp % g++ -O2 -fPIC -shared -nostdlib -std=c++11 foo.ii && nm ./a.out
| grep "_ZTVN3Gtk14TreeViewColumnE"
00000000000013a8 V _ZTVN3Gtk14TreeViewColumnE
markus@x4 tmp % clang++ -O2 -fPIC -shared -nostdlib -std=c++11 foo.ii && nm
./a.out | grep "_ZTVN3Gtk14TreeViewColumnE"
0000000000002900 D _ZTVN3Gtk14TreeViewColumnE
markus@x4 tmp % clang++ -flto -O2 -fPIC -shared -nostdlib -std=c++11 foo.ii &&
nm ./a.out | grep "_ZTVN3Gtk14TreeViewColumnE"
0000000000002450 D _ZTVN3Gtk14TreeViewColumnE
