PropertyDetails cleanup: NORMAL property type merged with FIELD.

src/arm/macro-assembler-arm.cc

 // Copyright 2012 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 <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
@@ skipping 1681 matching lines @@
     ldr(ip, FieldMemOperand(t2, SeededNumberDictionary::kElementsStartOffset));
     cmp(key, Operand(ip));
     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.
   // t2: elements + (index * kPointerSize)
   const int kDetailsOffset =
       SeededNumberDictionary::kElementsStartOffset + 2 * kPointerSize;
   ldr(t1, FieldMemOperand(t2, kDetailsOffset));
+  DCHECK_EQ(FIELD, 0);
   tst(t1, Operand(Smi::FromInt(PropertyDetails::TypeField::kMask)));
   b(ne, miss);
 
   // Get the value at the masked, scaled index and return.
   const int kValueOffset =
       SeededNumberDictionary::kElementsStartOffset + kPointerSize;
   ldr(result, FieldMemOperand(t2, kValueOffset));
 }
 
 
@@ skipping 2366 matching lines @@
     }
   }
   if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM