Convert the array iterator protector to a PropertyCell.

src/builtins/arm64/builtins-arm64.cc

 // 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 2779 matching lines @@
   __ Ldr(scratch, FieldMemOperand(spread_map, Map::kPrototypeOffset));
   __ Ldr(scratch2, NativeContextMemOperand());
   __ Ldr(scratch2,
          ContextMemOperand(scratch2, Context::INITIAL_ARRAY_PROTOTYPE_INDEX));
   __ Cmp(scratch, scratch2);
   __ B(ne, &runtime_call);
 
   // Check that the ArrayPrototype hasn't been modified in a way that would
   // affect iteration.
   __ LoadRoot(scratch, Heap::kArrayIteratorProtectorRootIndex);
-  __ Ldr(scratch, FieldMemOperand(scratch, Cell::kValueOffset));
+  __ Ldr(scratch, FieldMemOperand(scratch, PropertyCell::kValueOffset));
   __ Cmp(scratch, Smi::FromInt(Isolate::kProtectorValid));
   __ B(ne, &runtime_call);
 
   // Check that the map of the initial array iterator hasn't changed.
   __ Ldr(scratch2, NativeContextMemOperand());
   __ Ldr(scratch,
          ContextMemOperand(scratch2,
                            Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_INDEX));
   __ Ldr(scratch, FieldMemOperand(scratch, HeapObject::kMapOffset));
   __ Ldr(scratch2,
@@ skipping 416 matching lines @@
     __ Unreachable();
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM