PropertyDetails cleanup: NORMAL property type merged with FIELD.

src/arm64/macro-assembler-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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 4195 matching lines @@
                         SeededNumberDictionary::kElementsStartOffset));
     Cmp(key, scratch3);
     if (i != (kNumberDictionaryProbes - 1)) {
       B(eq, &done);
     } else {
       B(ne, miss);
     }
   }
 
   Bind(&done);
-  // Check that the value is a normal property.
+  // Check that the value is a field property.
   const int kDetailsOffset =
       SeededNumberDictionary::kElementsStartOffset + 2 * kPointerSize;
   Ldrsw(scratch1, UntagSmiFieldMemOperand(scratch2, kDetailsOffset));
+  DCHECK_EQ(FIELD, 0);
   TestAndBranchIfAnySet(scratch1, PropertyDetails::TypeField::kMask, miss);
 
   // Get the value at the masked, scaled index and return.
   const int kValueOffset =
       SeededNumberDictionary::kElementsStartOffset + kPointerSize;
   Ldr(result, FieldMemOperand(scratch2, kValueOffset));
 }
 
 
 void MacroAssembler::RememberedSetHelper(Register object,  // For debug tests.
@@ skipping 1158 matching lines @@
   }
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64