341     CHECK_IMPLIES(Heap::InYoungGeneration(heap_object),  in VerifyHeapObjectImpl()
1059         DCHECK(!Heap::InYoungGeneration(heap_object));  in VisitRootPointers()
1182     DCHECK(!Heap::InYoungGeneration(host));  in VisitEphemeron()
1186     if (ephemeron_remembered_set_ && Heap::InYoungGeneration(*key)) {  in VisitEphemeron()
1202     DCHECK(!Heap::InYoungGeneration(target));  in VisitCodeTarget()
1227       if (p->InYoungGeneration()) {  in RecordMigratedSlot()
1518         DCHECK(!new_page->InYoungGeneration());  in Move()
2895     if (chunk->InYoungGeneration()) return kObjectsNewToOld;  in ComputeEvacuationMode()
3665       DCHECK(!Heap::InYoungGeneration(heap_object));  in CheckAndUpdateOldToNewSlot()
3881         if (!heap_->InYoungGeneration(key)) {  in Process()
4171     CHECK_IMPLIES(Heap::InYoungGeneration(heap_object), IsMarked(heap_object));  in VerifyHeapObjectImpl()
4204     CHECK_IMPLIES(Heap::InYoungGeneration(heap_object),  in VerifyHeapObjectImpl()
4240   DCHECK_IMPLIES(Heap::InYoungGeneration(*p), Heap::InToPage(*p));  in IsUnmarkedObjectForYoungGeneration()
4241   return Heap::InYoungGeneration(*p) && !heap->minor_mark_compact_collector()  in IsUnmarkedObjectForYoungGeneration()
4302     if (Heap::InYoungGeneration(target)) {  in VisitPointerImpl()
4406       if (p->InYoungGeneration()) {  in RecordMigratedSlot()
4650     if (!Heap::InYoungGeneration(heap_object)) return object;  in RetainAs()
4744     if (!Heap::InYoungGeneration(object)) return;  in MarkObject()
4831     if (Heap::InYoungGeneration(object)) {  in CheckAndMarkObject()