Use internal memcpy for CopyWords and when copying code.

src/deoptimizer.cc

 // Copyright 2013 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 2112 matching lines @@
   CodeDesc desc;
   masm.GetCode(&desc);
   ASSERT(!RelocInfo::RequiresRelocation(desc));
 
   MemoryChunk* chunk = (type == EAGER)
       ? data->eager_deoptimization_entry_code_
       : data->lazy_deoptimization_entry_code_;
   ASSERT(static_cast<int>(Deoptimizer::GetMaxDeoptTableSize()) >=
          desc.instr_size);
   chunk->CommitArea(desc.instr_size);
-  memcpy(chunk->area_start(), desc.buffer, desc.instr_size);
+  CopyBytes(chunk->area_start(), desc.buffer, desc.instr_size);
   CPU::FlushICache(chunk->area_start(), desc.instr_size);
 
   if (type == EAGER) {
     data->eager_deoptimization_entry_code_entries_ = entry_count;
   } else {
     data->lazy_deoptimization_entry_code_entries_ = entry_count;
   }
 }
 
 
@@ skipping 528 matching lines @@
 
 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
   v->VisitPointer(BitCast<Object**>(&function_));
   v->VisitPointers(parameters_, parameters_ + parameters_count_);
   v->VisitPointers(expression_stack_, expression_stack_ + expression_count_);
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal