In file included from finalize_after_dispatch.cpp:5: ./finalize_after_dispatch.h:12:1: warning: [blink-gc] Class 'NeedsFinalize' is missing manual finalize dispatch. class NeedsFinalize : public GarbageCollectedFinalized { ^ ./finalize_after_dispatch.h:19:1: warning: [blink-gc] Class 'NeedsDispatch' is missing manual trace dispatch. class NeedsDispatch : public GarbageCollectedFinalized { ^ ./finalize_after_dispatch.h:26:1: warning: [blink-gc] Class 'NeedsFinalizedBase' requires finalization. class NeedsFinalizedBase : public GarbageCollected { ^ ./finalize_after_dispatch.h:30:5: note: [blink-gc] User-declared finalizer declared here: void FinalizeGarbageCollectedObject() { }; ^ finalize_after_dispatch.cpp:30:1: warning: [blink-gc] Missing dispatch to class 'D' in manual finalize dispatch. void A::FinalizeGarbageCollectedObject() ^ 4 warnings generated.