[runtime] Force internalize names used before lookup in in DescriptorArray and TransitionArray

src/transitions-inl.h

 // 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.
 
 #ifndef V8_TRANSITIONS_INL_H_
 #define V8_TRANSITIONS_INL_H_
 
 #include "src/transitions.h"
 
 namespace v8 {
@@ skipping 82 matching lines @@
 }
 
 
 void TransitionArray::SetTarget(int transition_number, Map* value) {
   DCHECK(transition_number < number_of_transitions());
   set(ToTargetIndex(transition_number), value);
 }
 
 
 int TransitionArray::SearchName(Name* name, int* out_insertion_index) {
-  return internal::Search<ALL_ENTRIES>(this, name, 0, out_insertion_index);
+  DCHECK(name->IsUniqueName());
+  return internal::Search<ALL_ENTRIES>(this, name, number_of_entries(),
+                                       out_insertion_index);
 }
 
 
 #ifdef DEBUG
 bool TransitionArray::IsSpecialTransition(Name* name) {
   if (!name->IsSymbol()) return false;
   Heap* heap = name->GetHeap();
   return name == heap->nonextensible_symbol() ||
          name == heap->sealed_symbol() || name == heap->frozen_symbol() ||
          name == heap->elements_transition_symbol() ||
@@ skipping 61 matching lines @@
 
 void TransitionArray::SetNumberOfTransitions(int number_of_transitions) {
   DCHECK(number_of_transitions <= Capacity(this));
   set(kTransitionLengthIndex, Smi::FromInt(number_of_transitions));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TRANSITIONS_INL_H_