- On store buffer block overflow call a VM leaf function to

vm/store_buffer.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_STORE_BUFFER_H_
 #define VM_STORE_BUFFER_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/hash_set.h"
 
 namespace dart {
 
+// Forward declarations.
+class Isolate;
+
 class StoreBufferBlock {
  public:
   // Each block contains kSize pointers.
   static const int32_t kSize = 1024;
 
   StoreBufferBlock() : top_(0) {}
 
   static int top_offset() { return OFFSET_OF(StoreBufferBlock, top_); }
   static int pointers_offset() {
     return OFFSET_OF(StoreBufferBlock, pointers_);
   }
 
   // Add a pointer to the block of pointers. The buffer will be processed if it
   // has been filled by this operation.
   void AddPointer(uword pointer) {
     ASSERT(top_ < kSize);
     pointers_[top_++] = pointer;
     if (top_ == kSize) {
       ProcessBuffer();
     }
   }
 
   // Process this store buffer and remember its contents in the heap.
   void ProcessBuffer();
+  void ProcessBuffer(Isolate* isolate);
 
   bool Contains(uword pointer);
 
  private:
   int32_t top_;
   uword pointers_[kSize];
 
   friend class StoreBuffer;
 };
 
@@ skipping 27 matching lines @@
    private:
     DISALLOW_COPY_AND_ASSIGN(DedupSet);
   };
 
   DedupSet* dedup_sets_;
 };
 
 }  // namespace dart
 
 #endif  // VM_STORE_BUFFER_H_