Fixing alignment issue allowing serialization to run on ARM.

src/serialize.cc

 // Copyright 2006-2008 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 796 matching lines @@
   virtual void VisitRuntimeEntry(RelocInfo* rinfo) {
     Address target = rinfo->target_address();
     uint32_t encoding = reference_encoder_->Encode(target);
     CHECK(target == NULL ? encoding == 0 : encoding != 0);
     offsets_.Add(rinfo->target_address_address() - obj_address_);
     addresses_.Add(reinterpret_cast<Address>(encoding));
   }
 
   void Update(Address start_address) {
     for (int i = 0; i < offsets_.length(); i++) {
-      Address* p = reinterpret_cast<Address*>(start_address + offsets_[i]);
-      *p = addresses_[i];
+      memcpy(start_address + offsets_[i], &addresses_[i], sizeof(Address));
     }
   }
 
  private:
   Address obj_address_;
   Serializer* serializer_;
   ExternalReferenceEncoder* reference_encoder_;
   List<int> offsets_;
   List<Address> addresses_;
 };
@@ skipping 690 matching lines @@
         ASSERT(index < large_objects_.length());
       }
       return large_objects_[index];  // s.page_offset() is ignored.
   }
   UNREACHABLE();
   return NULL;
 }
 
 
 } }  // namespace v8::internal