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

src/arm64/assembler-arm64-inl.h

 // Copyright 2013 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.
 
 #ifndef V8_ARM64_ASSEMBLER_ARM64_INL_H_
 #define V8_ARM64_ASSEMBLER_ARM64_INL_H_
 
 #include "src/arm64/assembler-arm64.h"
 #include "src/assembler.h"
 #include "src/debug/debug.h"
@@ skipping 713 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 492 matching lines @@
 
 void Assembler::ClearRecordedAstId() {
   recorded_ast_id_ = TypeFeedbackId::None();
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ARM64_ASSEMBLER_ARM64_INL_H_