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

src/objects-printer.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/heap/objects-visiting.h"
 #include "src/jsregexp.h"
@@ skipping 1153 matching lines @@
 }
 
 
 void TransitionArray::PrintTransitions(std::ostream& os,
                                        bool print_header) {  // NOLINT
   if (print_header) {
     os << "Transition array " << number_of_transitions() << "\n";
   }
   for (int i = 0; i < number_of_transitions(); i++) {
     Name* key = GetKey(i);
+    Map* target = GetTarget(i);
     os << "   ";
 #ifdef OBJECT_PRINT
     key->NamePrint(os);
 #else
     key->ShortPrint(os);
 #endif
     os << ": ";
     if (key == GetHeap()->frozen_symbol()) {
       os << " (transition to frozen)";
     } else if (key == GetHeap()->elements_transition_symbol()) {
-      os << " (transition to "
-         << ElementsKindToString(GetTarget(i)->elements_kind()) << ")";
+      os << " (transition to " << ElementsKindToString(target->elements_kind())
+         << ")";
     } else if (key == GetHeap()->observed_symbol()) {
       os << " (transition to Object.observe)";
     } else {
-      PropertyDetails details = GetTargetDetails(i);
+      PropertyDetails details = GetTargetDetails(key, target);
       switch (details.type()) {
         case FIELD: {
           os << " (transition to field)";
           break;
         }
         case CONSTANT:
           os << " (transition to constant " << Brief(GetTargetValue(i)) << ")";
           break;
         case CALLBACKS:
           os << " (transition to callback " << Brief(GetTargetValue(i)) << ")";
           break;
       }
       os << ", attrs: " << details.attributes();
     }
-    os << " -> " << Brief(GetTarget(i)) << "\n";
+    os << " -> " << Brief(target) << "\n";
   }
 }
 
 
 void JSObject::PrintTransitions(std::ostream& os) {  // NOLINT
   if (!map()->HasTransitionArray()) return;
   map()->transitions()->PrintTransitions(os, false);
 }
 #endif  // defined(DEBUG) || defined(OBJECT_PRINT)
 } }  // namespace v8::internal