Add support for extended constant pool arrays.

src/mark-compact.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
 #include "src/cpu-profiler.h"
 #include "src/deoptimizer.h"
@@ skipping 2829 matching lines @@
       Address code_entry = Memory::Address_at(code_entry_slot);
 
       if (Page::FromAddress(code_entry)->IsEvacuationCandidate()) {
         SlotsBuffer::AddTo(&slots_buffer_allocator_,
                            &migration_slots_buffer_,
                            SlotsBuffer::CODE_ENTRY_SLOT,
                            code_entry_slot,
                            SlotsBuffer::IGNORE_OVERFLOW);
       }
     } else if (compacting_ && dst->IsConstantPoolArray()) {
-      ConstantPoolArray* constant_pool = ConstantPoolArray::cast(dst);
-      for (int i = 0; i < constant_pool->count_of_code_ptr_entries(); i++) {
+      ConstantPoolArray* array = ConstantPoolArray::cast(dst);
+      ConstantPoolArray::Iterator code_iter(array, ConstantPoolArray::CODE_PTR);
+      while (!code_iter.is_finished()) {
         Address code_entry_slot =
-            dst_addr + constant_pool->OffsetOfElementAt(i);
+            dst_addr + array->OffsetOfElementAt(code_iter.next_index());
         Address code_entry = Memory::Address_at(code_entry_slot);
 
         if (Page::FromAddress(code_entry)->IsEvacuationCandidate()) {
           SlotsBuffer::AddTo(&slots_buffer_allocator_,
                              &migration_slots_buffer_,
                              SlotsBuffer::CODE_ENTRY_SLOT,
                              code_entry_slot,
                              SlotsBuffer::IGNORE_OVERFLOW);
         }
       }
@@ skipping 1600 matching lines @@
   while (buffer != NULL) {
     SlotsBuffer* next_buffer = buffer->next();
     DeallocateBuffer(buffer);
     buffer = next_buffer;
   }
   *buffer_address = NULL;
 }
 
 
 } }  // namespace v8::internal