*** old/src/share/vm/classfile/systemDictionary.cpp	Mon Mar 25 16:56:00 2013
--- new/src/share/vm/classfile/systemDictionary.cpp	Mon Mar 25 16:56:00 2013

*** 144,153 ****
--- 144,164 ----
     if (AllowParallelDefineClass && java_lang_ClassLoader::parallelCapable(class_loader())) {
       return true;
     }
     return false;
  }
+ 
+ /**
+  * Returns true if the passed class loader is the extension class loader.
+  */
+ bool SystemDictionary::is_ext_class_loader(Handle class_loader) {
+   if (class_loader.is_null()) {
+     return false;
+   }
+   return (class_loader->klass()->name() == vmSymbols::sun_misc_Launcher_ExtClassLoader());
+ }
+ 
  // ----------------------------------------------------------------------------
  // Resolving of classes
  
  // Forwards to resolve_or_null