Keep track of array buffers in new space separately

src/heap/objects-visiting-inl.h

Index: src/heap/objects-visiting-inl.h
diff --git a/src/heap/objects-visiting-inl.h b/src/heap/objects-visiting-inl.h
index 6afee2602b28b7bde9cbd93dd71be5f248ae06a2..62be04ff349afcc97ba7fbbea4282d59703bb002 100644
--- a/src/heap/objects-visiting-inl.h
+++ b/src/heap/objects-visiting-inl.h
@@ -84,6 +84,10 @@ int StaticNewSpaceVisitor<StaticVisitor>::VisitJSArrayBuffer(
       heap,
       HeapObject::RawField(object, JSArrayBuffer::BodyDescriptor::kStartOffset),
       HeapObject::RawField(object, JSArrayBuffer::kSizeWithInternalFields));
+  if (!JSArrayBuffer::cast(object)->is_external()) {
+    heap->RegisterLiveArrayBuffer(true,
+                                  JSArrayBuffer::cast(object)->backing_store());
+  }
   return JSArrayBuffer::kSizeWithInternalFields;
 }
 
@@ -532,7 +536,8 @@ void StaticMarkingVisitor<StaticVisitor>::VisitJSArrayBuffer(
       HeapObject::RawField(object, JSArrayBuffer::BodyDescriptor::kStartOffset),
       HeapObject::RawField(object, JSArrayBuffer::kSizeWithInternalFields));
   if (!JSArrayBuffer::cast(object)->is_external()) {
-    heap->RegisterLiveArrayBuffer(JSArrayBuffer::cast(object)->backing_store());
+    heap->RegisterLiveArrayBuffer(heap->InNewSpace(object),
+                                  JSArrayBuffer::cast(object)->backing_store());
   }
 }