objects-inl.h: Remove ACCESSORS_TO_SMI macro

src/heap/heap-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.
 
 #ifndef V8_HEAP_HEAP_INL_H_
 #define V8_HEAP_HEAP_INL_H_
 
 #include <cmath>
 
 #include "src/base/platform/platform.h"
@@ skipping 666 matching lines @@
 }
 
 
 uint32_t Heap::HashSeed() {
   uint32_t seed = static_cast<uint32_t>(hash_seed()->value());
   DCHECK(FLAG_randomize_hashes || seed == 0);
   return seed;
 }
 
 
-Smi* Heap::NextScriptId() {
-  int next_id = last_script_id()->value() + 1;
-  if (!Smi::IsValid(next_id) || next_id < 0) next_id = 1;
-  Smi* next_id_smi = Smi::FromInt(next_id);
-  set_last_script_id(next_id_smi);
-  return next_id_smi;
+int Heap::NextScriptId() {
+  int last_id = last_script_id()->value();
+  if (last_id == Smi::kMaxValue) {
+    last_id = 1;
+  } else {
+    last_id++;
+  }
+  set_last_script_id(Smi::FromInt(last_id));
+  return last_id;
 }
 
 
 void Heap::SetArgumentsAdaptorDeoptPCOffset(int pc_offset) {
   DCHECK(arguments_adaptor_deopt_pc_offset() == Smi::FromInt(0));
   set_arguments_adaptor_deopt_pc_offset(Smi::FromInt(pc_offset));
 }
 
 
 void Heap::SetConstructStubDeoptPCOffset(int pc_offset) {
@@ skipping 38 matching lines @@
 
 void VerifySmisVisitor::VisitPointers(Object** start, Object** end) {
   for (Object** current = start; current < end; current++) {
     CHECK((*current)->IsSmi());
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_HEAP_HEAP_INL_H_