IsEquivalent     2919 src/profile-generator.cc virtual bool IsEquivalent(RetainedObjectInfo* other) {
IsEquivalent      983 test/cctest/test-heap-profiler.cc virtual bool IsEquivalent(RetainedObjectInfo* other) {
IsEquivalent      426 test/cctest/test-mark-compact.cc virtual bool IsEquivalent(v8::RetainedObjectInfo* other) {