Just visit young array buffers during scavenge.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 643a1519f5fe980f5792ba0f6af5dc2ffcaa0b33..92ae0f163b4f73b45710f0548e76707bd56d9988 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -1614,6 +1614,9 @@ class Heap {
   Object* array_buffers_list_;
   Object* allocation_sites_list_;
 
+  Object* last_array_buffers_young_object_;
+  Object* last_native_contexts_young_object_;
+
   // WeakHashTable that maps objects embedded in optimized code to dependent
   // code list. It is initilized lazily and contains the undefined_value at
   // start.
@@ -1950,8 +1953,10 @@ class Heap {
   void MarkCompactPrologue();
   void MarkCompactEpilogue();
 
-  void ProcessNativeContexts(WeakObjectRetainer* retainer);
-  void ProcessArrayBuffers(WeakObjectRetainer* retainer);
+  void ProcessNativeContexts(WeakObjectRetainer* retainer,
+                             Object* last_native_contexts_young_object);
+  void ProcessArrayBuffers(WeakObjectRetainer* retainer,
+                           Object* last_array_buffers_young_object);
   void ProcessAllocationSites(WeakObjectRetainer* retainer);
 
   // Deopts all code that contains allocation instruction which are tenured or