fix special index parsing

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 346 matching lines @@
   DCHECK(exotic_index_state_ != ExoticIndexState::kNoIndex);
   // Currently typed arrays are the only such objects.
   if (!holder->IsJSTypedArray()) return false;
   if (exotic_index_state_ == ExoticIndexState::kIndex) return true;
   DCHECK(exotic_index_state_ == ExoticIndexState::kUninitialized);
   bool result = false;
   // Compute and cache result.
   if (name()->IsString()) {
     Handle<String> name_string = Handle<String>::cast(name());
     if (name_string->length() != 0) {
-      result = IsNonArrayIndexInteger(*name_string);
+      result = IsSpecialIndex(isolate_->unicode_cache(), *name_string);
     }
   }
   exotic_index_state_ =
       result ? ExoticIndexState::kIndex : ExoticIndexState::kNoIndex;
   return result;
 }
 
 
 void LookupIterator::InternalizeName() {
   if (name_->IsUniqueName()) return;
@@ skipping 11 matching lines @@
       // Fall through.
       case InterceptorState::kSkipNonMasking:
         return true;
       case InterceptorState::kProcessNonMasking:
         return false;
     }
   }
   return interceptor_state_ == InterceptorState::kProcessNonMasking;
 }
 } }  // namespace v8::internal