1trace_if_needed.cpp:9:1: warning: [blink-gc] Class 'TemplatedObject<blink::Member<blink::HeapObject> >' has untraced fields that require tracing. 2template<typename T> 3^ 4./trace_if_needed.h:20:5: note: [blink-gc] Untraced field 'm_two' declared here: 5 T m_two; 6 ^ 71 warning generated. 8