Revert of [heap] Avoid the use of cells to point from code to new-space objects.

src/mips64/assembler-mips64-inl.h

 
 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
@@ skipping 195 matching lines @@
                                   ICacheFlushMode icache_flush_mode) {
   DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);
   Assembler::set_target_address_at(isolate_, pc_, host_,
                                    reinterpret_cast<Address>(target),
                                    icache_flush_mode);
   if (write_barrier_mode == UPDATE_WRITE_BARRIER &&
       host() != NULL &&
       target->IsHeapObject()) {
     host()->GetHeap()->incremental_marking()->RecordWriteIntoCode(
         host(), this, HeapObject::cast(target));
-    host()->GetHeap()->RecordWriteIntoCode(host(), this, target);
   }
 }
 
 
 Address RelocInfo::target_external_reference() {
   DCHECK(rmode_ == EXTERNAL_REFERENCE);
   return Assembler::target_address_at(pc_, host_);
 }
 
 
@@ skipping 249 matching lines @@
 void Assembler::emit(uint64_t data) {
   CheckForEmitInForbiddenSlot();
   EmitHelper(data);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MIPS_ASSEMBLER_MIPS_INL_H_