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

src/ast/ast.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/ast/ast.h"
 
 #include <cmath>  // For isfinite.
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/prettyprinter.h"
@@ skipping 594 matching lines @@
 
     // New handle scope here, needs to be after BuildContants().
     HandleScope scope(isolate);
     Handle<Object> boilerplate_value = GetBoilerplateValue(element, isolate);
     if (boilerplate_value->IsTheHole(isolate)) {
       is_holey = true;
       continue;
     }
 
     if (boilerplate_value->IsUninitialized(isolate)) {
-      boilerplate_value = handle(Smi::kZero, isolate);
+      boilerplate_value = handle(Smi::FromInt(0), isolate);
       is_simple = false;
     }
 
     JSObject::AddDataElement(array, array_index, boilerplate_value, NONE)
         .Assert();
   }
 
   JSObject::ValidateElements(array);
   Handle<FixedArrayBase> element_values(array->elements());
 
@@ skipping 334 matching lines @@
 // static
 bool Literal::Match(void* literal1, void* literal2) {
   const AstValue* x = static_cast<Literal*>(literal1)->raw_value();
   const AstValue* y = static_cast<Literal*>(literal2)->raw_value();
   return (x->IsString() && y->IsString() && x->AsString() == y->AsString()) ||
          (x->IsNumber() && y->IsNumber() && x->AsNumber() == y->AsNumber());
 }
 
 }  // namespace internal
 }  // namespace v8