Define DEBUG for v8_optimized_debug=2

src/store-buffer.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 292 matching lines @@
 #ifdef DEBUG
 void StoreBuffer::Clean() {
   ClearFilteringHashSets();
   Uniq();  // Also removes things that no longer point to new space.
   EnsureSpace(kStoreBufferSize / 2);
 }
 
 
 static Address* in_store_buffer_1_element_cache = NULL;
 
-
 bool StoreBuffer::CellIsInStoreBuffer(Address cell_address) {
   if (!FLAG_enable_slow_asserts) return true;
   if (in_store_buffer_1_element_cache != NULL &&
       *in_store_buffer_1_element_cache == cell_address) {
     return true;
   }
   Address* top = reinterpret_cast<Address*>(heap_->store_buffer_top());
   for (Address* current = top - 1; current >= start_; current--) {
     if (*current == cell_address) {
       in_store_buffer_1_element_cache = current;
@@ skipping 400 matching lines @@
     }
     old_buffer_is_sorted_ = false;
     old_buffer_is_filtered_ = false;
     *old_top_++ = reinterpret_cast<Address>(int_addr << kPointerSizeLog2);
     ASSERT(old_top_ <= old_limit_);
   }
   heap_->isolate()->counters()->store_buffer_compactions()->Increment();
 }
 
 } }  // namespace v8::internal