src/hotspot/share/classfile/classLoaderDataGraph.cpp

*** 674,684 ****
    Klass* head = _next_klass;
  
    while (head != NULL) {
      Klass* next = next_klass_in_cldg(head);
  
!     Klass* old_head = Atomic::cmpxchg(next, &_next_klass, head);
  
      if (old_head == head) {
        return head; // Won the CAS.
      }
  
--- 674,684 ----
    Klass* head = _next_klass;
  
    while (head != NULL) {
      Klass* next = next_klass_in_cldg(head);
  
!     Klass* old_head = Atomic::cmpxchg(&_next_klass, head, next);
  
      if (old_head == head) {
        return head; // Won the CAS.
      }