src/share/vm/opto/library_call.cpp

*** 2596,2607 ****
  
    // Memory barrier to prevent normal and 'unsafe' accesses from
    // bypassing each other.  Happens after null checks, so the
    // exception paths do not take memory state from the memory barrier,
    // so there's no problems making a strong assert about mixing users
!   // of safe & unsafe memory.  Otherwise fails in a CTW of rt.jar
!   // around 5701, class sun/reflect/UnsafeBooleanFieldAccessorImpl.
    if (need_mem_bar) insert_mem_bar(Op_MemBarCPUOrder);
  
    if (!is_store) {
      MemNode::MemOrd mo = is_volatile ? MemNode::acquire : MemNode::unordered;
      Node* p = make_load(control(), adr, value_type, type, adr_type, mo, is_volatile);
--- 2596,2606 ----
  
    // Memory barrier to prevent normal and 'unsafe' accesses from
    // bypassing each other.  Happens after null checks, so the
    // exception paths do not take memory state from the memory barrier,
    // so there's no problems making a strong assert about mixing users
!   // of safe & unsafe memory.
    if (need_mem_bar) insert_mem_bar(Op_MemBarCPUOrder);
  
    if (!is_store) {
      MemNode::MemOrd mo = is_volatile ? MemNode::acquire : MemNode::unordered;
      Node* p = make_load(control(), adr, value_type, type, adr_type, mo, is_volatile);