src/hotspot/share/oops/instanceKlass.cpp

Concurrent class unloading

*** 2136,2145 ****
--- 2136,2146 ----
  void InstanceKlass::clean_weak_instanceklass_links() {
    clean_implementors_list();
    clean_method_data();
  
    // Since GC iterates InstanceKlasses sequentially, it is safe to remove stale entries here.
+   MutexLockerEx m(CodeCache_lock, Mutex::_no_safepoint_check_flag);
    DependencyContext dep_context(&_dep_context);
    dep_context.expunge_stale_entries();
  }
  
  void InstanceKlass::clean_implementors_list() {