Minor performance improvements to the LookupIterator

src/lookup.h

 // 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.
 
 #ifndef V8_LOOKUP_H_
 #define V8_LOOKUP_H_
 
 #include "src/factory.h"
 #include "src/isolate.h"
 #include "src/objects.h"
@@ skipping 241 matching lines @@
   inline State LookupInHolder(Map* map, JSReceiver* holder);
   void RestartLookupForNonMaskingInterceptors();
   State LookupNonMaskingInterceptorInHolder(Map* map, JSReceiver* holder);
   Handle<Object> FetchValue() const;
   void ReloadPropertyInformation();
   bool SkipInterceptor(JSObject* holder);
   bool HasInterceptor(Map* map) const;
   bool InternalHolderIsReceiverOrHiddenPrototype() const;
   InterceptorInfo* GetInterceptor(JSObject* holder) const;
 
-  bool IsBootstrapping() const;
-
   bool check_hidden() const { return (configuration_ & kHidden) != 0; }
   bool check_interceptor() const {
-    return !IsBootstrapping() && (configuration_ & kInterceptor) != 0;
+    return (configuration_ & kInterceptor) != 0;
   }
   bool check_prototype_chain() const {
     return (configuration_ & kPrototypeChain) != 0;
   }
   int descriptor_number() const {
     DCHECK(has_property_);
     DCHECK(!holder_map_->is_dictionary_map());
     return number_;
   }
   int dictionary_entry() const {
@@ skipping 31 matching lines @@
   Handle<JSReceiver> holder_;
   Handle<Map> holder_map_;
   const Handle<JSReceiver> initial_holder_;
   uint32_t number_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LOOKUP_H_