Speed up the LookupIterator

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/objects.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/objects-inl.h"
@@ skipping 77 matching lines @@
     Fixed##Type##Array::cast(this)->FixedTypedArrayPrint(os);  \
     break;
 
     TYPED_ARRAYS(PRINT_FIXED_TYPED_ARRAY)
 #undef PRINT_FIXED_TYPED_ARRAY
 
     case FILLER_TYPE:
       os << "filler";
       break;
     case JS_OBJECT_TYPE:  // fall through
+    case JS_SPECIAL_API_OBJECT_TYPE:
     case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
     case JS_ARRAY_TYPE:
     case JS_GENERATOR_OBJECT_TYPE:
     case JS_PROMISE_TYPE:
       JSObject::cast(this)->JSObjectPrint(os);
       break;
     case JS_REGEXP_TYPE:
       JSRegExp::cast(this)->JSRegExpPrint(os);
       break;
     case ODDBALL_TYPE:
@@ skipping 1215 matching lines @@
 void JSObject::PrintTransitions(std::ostream& os) {  // NOLINT
   Object* transitions = map()->raw_transitions();
   int num_transitions = TransitionArray::NumberOfTransitions(transitions);
   if (num_transitions == 0) return;
   os << "\n - transitions";
   TransitionArray::PrintTransitions(os, transitions, false);
 }
 #endif  // defined(DEBUG) || defined(OBJECT_PRINT)
 }  // namespace internal
 }  // namespace v8