[heap] Call FreeToBeFreedChunks in TypedSlotSet destructor.

src/heap/slot-set.h

 // Copyright 2016 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_SLOT_SET_H
 #define V8_SLOT_SET_H
 
 #include <stack>
 
 #include "src/allocation.h"
@@ skipping 307 matching lines @@
     chunk_.SetValue(new Chunk(nullptr, kInitialBufferSize));
   }
 
   ~TypedSlotSet() {
     Chunk* chunk = chunk_.Value();
     while (chunk != nullptr) {
       Chunk* next = chunk->next.Value();
       delete chunk;
       chunk = next;
     }
+    FreeToBeFreedChunks();
   }
 
   // The slot offset specifies a slot at address page_start_ + offset.
   // This method can only be called on the main thread.
   void Insert(SlotType type, uint32_t host_offset, uint32_t offset) {
     TypedSlot slot(type, host_offset, offset);
     Chunk* top_chunk = chunk_.Value();
     if (!top_chunk) {
       top_chunk = new Chunk(nullptr, kInitialBufferSize);
       chunk_.SetValue(top_chunk);
@@ skipping 110 matching lines @@
   Address page_start_;
   base::AtomicValue<Chunk*> chunk_;
   base::Mutex to_be_freed_chunks_mutex_;
   std::stack<Chunk*> to_be_freed_chunks_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_SLOT_SET_H