[interpreter] A couple of minor tweaks to BytecodeArray.

src/objects-inl.h

 // 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 3621 matching lines @@
   return READ_BYTE_FIELD(this, kHeaderSize + index * kCharSize);
 }
 
 
 void BytecodeArray::set(int index, byte value) {
   DCHECK(index >= 0 && index < this->length());
   WRITE_BYTE_FIELD(this, kHeaderSize + index * kCharSize, value);
 }
 
 
-INT_ACCESSORS(BytecodeArray, frame_size, kFrameSizeOffset)
-INT_ACCESSORS(BytecodeArray, number_of_locals, kNumberOfLocalsOffset)
+void BytecodeArray::set_frame_size(int frame_size) {
+  // We need at least one stack slot for the return register.
+  DCHECK_GE(frame_size, kPointerSize);
+  DCHECK(IsAligned(frame_size, static_cast<unsigned>(kPointerSize)));
+  WRITE_INT_FIELD(this, kFrameSizeOffset, frame_size);
+}
+
+
+int BytecodeArray::frame_size() const {
+  return READ_INT_FIELD(this, kFrameSizeOffset);
+}
 
 
 Address BytecodeArray::GetFirstBytecodeAddress() {
   return reinterpret_cast<Address>(this) - kHeapObjectTag + kHeaderSize;
 }
 
 
 uint8_t* ExternalUint8ClampedArray::external_uint8_clamped_pointer() {
   return reinterpret_cast<uint8_t*>(external_pointer());
 }
@@ skipping 3696 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_