--- old/src/hotspot/share/classfile/systemDictionaryShared.cpp	2020-08-05 15:53:51.146266723 -0700
+++ new/src/hotspot/share/classfile/systemDictionaryShared.cpp	2020-08-05 15:53:50.790253322 -0700
@@ -1142,6 +1142,15 @@
   return created;
 }
 
+void SystemDictionaryShared::add_replaced_class(InstanceKlass* k, TRAPS) {
+  Arguments::assert_is_dumping_archive();
+  assert(!k->is_loaded(), "Invariant");
+  {
+    MutexLocker mu_r(THREAD, Compile_lock); // add_to_hierarchy asserts this.
+    SystemDictionary::add_to_hierarchy(k, CHECK);
+  }
+}
+
 // This function is called to resolve the super/interfaces of shared classes for
 // non-built-in loaders. E.g., ChildClass in the below example
 // where "super:" (and optionally "interface:") have been specified.
@@ -1382,6 +1391,11 @@
   _dumptime_table->update_counts();
 }
 
+void SystemDictionaryShared::set_excluded(InstanceKlass* k) {
+  Arguments::assert_is_dumping_archive();
+  find_or_allocate_info_for(k)->set_excluded();
+}
+
 bool SystemDictionaryShared::is_excluded_class(InstanceKlass* k) {
   assert(_no_class_loading_should_happen, "sanity");
   Arguments::assert_is_dumping_archive();