951 
 952   // Verify the integrity of the allocated space.
 953   if (metaspace_or_null() != NULL) {
 954     metaspace_or_null()->verify();
 955   }
 956 
 957   for (Klass* k = _klasses; k != NULL; k = k->next_link()) {
 958     guarantee(k->class_loader_data() == this, "Must be the same");
 959     k->verify();
 960     assert(k != k->next_link(), "no loops!");
 961   }
 962 }
 963 
 964 bool ClassLoaderData::contains_klass(Klass* klass) {
 965   // Lock-free access requires load_acquire
 966   for (Klass* k = Atomic::load_acquire(&_klasses); k != NULL; k = k->next_link()) {
 967     if (k == klass) return true;
 968   }
 969   return false;
 970 }

 951 
 952   // Verify the integrity of the allocated space.
 953   if (metaspace_or_null() != NULL) {
 954     metaspace_or_null()->verify();
 955   }
 956 
 957   for (Klass* k = _klasses; k != NULL; k = k->next_link()) {
 958     guarantee(k->class_loader_data() == this, "Must be the same");
 959     k->verify();
 960     assert(k != k->next_link(), "no loops!");
 961   }
 962 }
 963 
 964 bool ClassLoaderData::contains_klass(Klass* klass) {
 965   // Lock-free access requires load_acquire
 966   for (Klass* k = Atomic::load_acquire(&_klasses); k != NULL; k = k->next_link()) {
 967     if (k == klass) return true;
 968   }
 969   return false;
 970 }
 971 
 972 InstanceKlass* ClassLoaderData::replace_class(Symbol* class_name, InstanceKlass* k) {
 973   assert_locked_or_safepoint(SystemDictionary_lock);
 974   Dictionary* dict = dictionary();
 975   unsigned hash  = dict->compute_hash(class_name);
 976   int      index = dict->hash_to_index(hash);
 977  
 978   return dict->replace_class(index, hash, class_name, k);
 979 }