1ignore_class.cpp:14:1: warning: [blink-gc] Class 'C' has untraced fields that require tracing.
2void C::trace(Visitor* visitor)
3^
4./ignore_class.h:35:5: note: [blink-gc] Untraced field 'm_obj' declared here:
5    Member<HeapObject> m_obj;
6    ^
71 warning generated.
8