80   void Add(T* pointer) {  in Add()  argument
81     ASSERT(IsAligned(reinterpret_cast<intptr_t>(pointer), kPointerAlignment));  in Add()
83       data_ = reinterpret_cast<intptr_t>(pointer) | kSingletonTag;  in Add()
89       list->Add(pointer);  in Add()
94     list()->Add(pointer);  in Add()
112   void RemoveElement(T* pointer) {  in RemoveElement()  argument
115       if (pointer == single_value()) {  in RemoveElement()
120     list()->RemoveElement(pointer);  in RemoveElement()
148   int CountOccurrences(T* pointer, int start, int end) const {  in CountOccurrences()  argument
152         return (single_value() == pointer) ? 1 : 0;  in CountOccurrences()
156     return list()->CountOccurrences(pointer, start, end);  in CountOccurrences()