Remove dead code from LookupResult

src/lookup.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/v8.h"
 
 #include "src/bootstrapper.h"
 #include "src/deoptimizer.h"
 #include "src/lookup.h"
 #include "src/lookup-inl.h"
@@ skipping 101 matching lines @@
 void LookupIterator::LoadPropertyKind() {
   switch (property_details_.type()) {
     case v8::internal::FIELD:
     case v8::internal::NORMAL:
     case v8::internal::CONSTANT:
       property_kind_ = DATA;
       break;
     case v8::internal::CALLBACKS:
       property_kind_ = ACCESSOR;
       break;
-    case v8::internal::HANDLER:
-    case v8::internal::INTERCEPTOR:
-      UNREACHABLE();
   }
 }
 
 
 void LookupIterator::ReloadPropertyInformation() {
   state_ = BEFORE_PROPERTY;
   state_ = LookupInHolder(*holder_map_);
   DCHECK(IsFound());
   HasProperty();
 }
@@ skipping 232 matching lines @@
     DCHECK_EQ(v8::internal::CONSTANT, property_details_.type());
   }
 }
 
 
 void LookupIterator::InternalizeName() {
   if (name_->IsUniqueName()) return;
   name_ = factory()->InternalizeString(Handle<String>::cast(name_));
 }
 } }  // namespace v8::internal