Fix verification of weak maps during initialization.

src/objects.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 984 matching lines @@
 
 
 void JSObject::JSObjectShortPrint(StringStream* accumulator) {
   switch (map()->instance_type()) {
     case JS_ARRAY_TYPE: {
       double length = JSArray::cast(this)->length()->Number();
       accumulator->Add("<JS array[%u]>", static_cast<uint32_t>(length));
       break;
     }
     case JS_WEAK_MAP_TYPE: {
-      int elements = JSWeakMap::cast(this)->table()->NumberOfElements();
-      accumulator->Add("<JS WeakMap[%d]>", elements);
+      accumulator->Add("<JS WeakMap>");
       break;
     }
     case JS_REGEXP_TYPE: {
       accumulator->Add("<JS RegExp>");
       break;
     }
     case JS_FUNCTION_TYPE: {
       Object* fun_name = JSFunction::cast(this)->shared()->name();
       bool printed = false;
       if (fun_name->IsString()) {
@@ skipping 11147 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single break point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal