Put newly allocated buffers at the right end of the buffers list

src/heap/heap.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_HEAP_H_
 #define V8_HEAP_HEAP_H_
 
 #include <cmath>
 
 #include "src/allocation.h"
@@ skipping 837 matching lines @@
   String* hidden_string() { return hidden_string_; }
 
   void set_native_contexts_list(Object* object) {
     native_contexts_list_ = object;
   }
   Object* native_contexts_list() const { return native_contexts_list_; }
 
   void set_array_buffers_list(Object* object) { array_buffers_list_ = object; }
   Object* array_buffers_list() const { return array_buffers_list_; }
 
+  void set_last_array_buffer_in_list(Object* object) {
+    last_array_buffer_in_list_ = object;
+  }
+  Object* last_array_buffer_in_list() const {
+    return last_array_buffer_in_list_;
+  }
+
   void set_new_array_buffer_views_list(Object* object) {
     new_array_buffer_views_list_ = object;
   }
   Object* new_array_buffer_views_list() const {
     return new_array_buffer_views_list_;
   }
 
   void set_allocation_sites_list(Object* object) {
     allocation_sites_list_ = object;
   }
@@ skipping 763 matching lines @@
   bool old_gen_exhausted_;
 
   // Indicates that inline bump-pointer allocation has been globally disabled
   // for all spaces. This is used to disable allocations in generated code.
   bool inline_allocation_disabled_;
 
   // Weak list heads, threaded through the objects.
   // List heads are initialized lazily and contain the undefined_value at start.
   Object* native_contexts_list_;
   Object* array_buffers_list_;
+  Object* last_array_buffer_in_list_;
   Object* allocation_sites_list_;
 
   // This is a global list of array buffer views in new space. When the views
   // get promoted, they are removed form the list and added to the corresponding
   // array buffer.
   Object* new_array_buffer_views_list_;
 
   // List of encountered weak collections (JSWeakMap and JSWeakSet) during
   // marking. It is initialized during marking, destroyed after marking and
   // contains Smi(0) while marking is not active.
@@ skipping 947 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 }
 }  // namespace v8::internal
 
 #endif  // V8_HEAP_HEAP_H_