IterateWeakRoots  466 src/global-handles.cc void GlobalHandles::IterateWeakRoots(ObjectVisitor* v) {
IterateWeakRoots  473 src/global-handles.cc void GlobalHandles::IterateWeakRoots(WeakReferenceGuest f,
IterateWeakRoots 5663 src/heap.cc    void Heap::IterateWeakRoots(ObjectVisitor* v, VisitMode mode) {