Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

src/runtime/runtime-array.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/code-stubs.h"
 #include "src/conversions-inl.h"
 #include "src/elements.h"
@@ skipping 345 matching lines @@
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, constructor, parameters_start);
   CONVERT_ARG_HANDLE_CHECKED(Object, type_info, parameters_start + 1);
 #ifdef DEBUG
   if (!no_caller_args) {
     CONVERT_SMI_ARG_CHECKED(arg_count, parameters_start + 2);
     DCHECK(arg_count == caller_args->length());
   }
 #endif
 
   Handle<AllocationSite> site;
-  if (!type_info.is_null() &&
-      *type_info != isolate->heap()->undefined_value()) {
+  if (!type_info.is_null() && !type_info->IsUndefined(isolate)) {
     site = Handle<AllocationSite>::cast(type_info);
     DCHECK(!site->SitePointsToLiteral());
   }
 
   return ArrayConstructorCommon(isolate, constructor, constructor, site,
                                 caller_args);
 }
 
 RUNTIME_FUNCTION(Runtime_InternalArrayConstructor) {
   HandleScope scope(isolate);
@@ skipping 14 matching lines @@
                                 Handle<AllocationSite>::null(), caller_args);
 }
 
 RUNTIME_FUNCTION(Runtime_ArraySingleArgumentConstructor) {
   HandleScope scope(isolate);
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, constructor, 0);
   Object** argument_base = reinterpret_cast<Object**>(args[1]);
   CONVERT_SMI_ARG_CHECKED(argument_count, 2);
   CONVERT_ARG_HANDLE_CHECKED(Object, raw_site, 3);
   Handle<AllocationSite> casted_site =
-      raw_site->IsUndefined() ? Handle<AllocationSite>::null()
-                              : Handle<AllocationSite>::cast(raw_site);
+      raw_site->IsUndefined(isolate) ? Handle<AllocationSite>::null()
+                                     : Handle<AllocationSite>::cast(raw_site);
   Arguments constructor_args(argument_count, argument_base);
   return ArrayConstructorCommon(isolate, constructor, constructor, casted_site,
                                 &constructor_args);
 }
 
 RUNTIME_FUNCTION(Runtime_NormalizeElements) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, array, 0);
   RUNTIME_ASSERT(!array->HasFixedTypedArrayElements() &&
@@ skipping 90 matching lines @@
 RUNTIME_FUNCTION(Runtime_ArraySpeciesConstructor) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Object, original_array, 0);
   RETURN_RESULT_OR_FAILURE(
       isolate, Object::ArraySpeciesConstructor(isolate, original_array));
 }
 
 }  // namespace internal
 }  // namespace v8