Reland of "TransitionArray now uses <is_data_property, name, attributes> tuple as a key, which allo…

src/hydrogen.cc

 // Copyright 2013 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/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 6128 matching lines @@
       name_.is_identical_to(isolate()->factory()->prototype_string())) {
     return IsLoad();
   }
   if (!LookupDescriptor()) return false;
   if (IsFound()) return IsLoad() || !IsReadOnly();
   if (!LookupInPrototypes()) return false;
   if (IsLoad()) return true;
 
   if (IsAccessor()) return true;
   Handle<Map> map = this->map();
-  map->LookupTransition(NULL, *name_, &lookup_);
+  map->LookupTransition(NULL, *name_, NONE, &lookup_);
   if (lookup_.IsTransitionToField() && map->unused_property_fields() > 0) {
     // Construct the object field access.
     int descriptor = transition()->LastAdded();
     int index =
         transition()->instance_descriptors()->GetFieldIndex(descriptor) -
         map->inobject_properties();
     PropertyDetails details =
         transition()->instance_descriptors()->GetDetails(descriptor);
     Representation representation = details.representation();
     access_ = HObjectAccess::ForField(map, index, representation, name_);
@@ skipping 7208 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal