In file included from class_requires_finalization_field.cpp:5:
./class_requires_finalization_field.h:44:1: warning: [blink-gc] Class 'NeedsFinalizer' requires finalization.
class NeedsFinalizer : public A, public ScriptWrappable {
^
./class_requires_finalization_field.h:48:5: note: [blink-gc] Field 'm_as' requiring finalization declared here:
    Vector<Member<A> > m_as;
    ^
./class_requires_finalization_field.h:53:1: warning: [blink-gc] Class 'AlsoNeedsFinalizer' requires finalization.
class AlsoNeedsFinalizer : public A {
^
./class_requires_finalization_field.h:57:5: note: [blink-gc] Field 'm_bs' requiring finalization declared here:
    HeapVector<B, 10> m_bs;
    ^
2 warnings generated.