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

src/x64/assembler-x64-inl.h

Index: src/x64/assembler-x64-inl.h
diff --git a/src/x64/assembler-x64-inl.h b/src/x64/assembler-x64-inl.h
index 60acacd3bbb6417f8bc2b3d1a39edd839a285c19..a7256565f1d9b8e3803221de5ff41c6feb9a3b4a 100644
--- a/src/x64/assembler-x64-inl.h
+++ b/src/x64/assembler-x64-inl.h
@@ -410,6 +410,7 @@ void RelocInfo::set_target_object(Object* target,
       target->IsHeapObject()) {
     host()->GetHeap()->incremental_marking()->RecordWriteIntoCode(
         host(), this, HeapObject::cast(target));
+    host()->GetHeap()->RecordWriteIntoCode(host(), this, target);
   }
 }