Add Smi::Zero and replace all Smi::FromInt(0) calls

src/accessors.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 "src/accessors.h"
 
 #include "src/api.h"
 #include "src/contexts.h"
 #include "src/deoptimizer.h"
 #include "src/execution.h"
@@ skipping 720 matching lines @@
 
 void Accessors::FunctionLengthGetter(
     v8::Local<v8::Name> name,
     const v8::PropertyCallbackInfo<v8::Value>& info) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate());
   HandleScope scope(isolate);
   Handle<JSFunction> function =
       Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder()));
   Handle<Object> result;
   if (!JSFunction::GetLength(isolate, function).ToHandle(&result)) {
-    result = handle(Smi::FromInt(0), isolate);
+    result = handle(Smi::kZero, isolate);
     isolate->OptionalRescheduleException(false);
   }
 
   info.GetReturnValue().Set(Utils::ToLocal(result));
 }
 
 Handle<AccessorInfo> Accessors::FunctionLengthInfo(
       Isolate* isolate, PropertyAttributes attributes) {
   return MakeAccessor(isolate, isolate->factory()->length_string(),
                       &FunctionLengthGetter, &ReconfigureToDataProperty,
@@ skipping 313 matching lines @@
     v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate());
   HandleScope scope(isolate);
   Handle<JSBoundFunction> function =
       Handle<JSBoundFunction>::cast(Utils::OpenHandle(*info.Holder()));
 
   Handle<Smi> target_length;
   Handle<JSFunction> target(JSFunction::cast(function->bound_target_function()),
                             isolate);
   if (!JSFunction::GetLength(isolate, target).ToHandle(&target_length)) {
-    target_length = handle(Smi::FromInt(0), isolate);
+    target_length = handle(Smi::kZero, isolate);
     isolate->OptionalRescheduleException(false);
     return;
   }
 
   int bound_length = function->bound_arguments()->length();
   int length = Max(0, target_length->value() - bound_length);
 
   Handle<Object> result(Smi::FromInt(length), isolate);
   info.GetReturnValue().Set(Utils::ToLocal(result));
 }
@@ skipping 141 matching lines @@
 Handle<AccessorInfo> Accessors::ErrorStackInfo(Isolate* isolate,
                                                PropertyAttributes attributes) {
   Handle<AccessorInfo> info =
       MakeAccessor(isolate, isolate->factory()->stack_string(),
                    &ErrorStackGetter, &ErrorStackSetter, attributes);
   return info;
 }
 
 }  // namespace internal
 }  // namespace v8