diff -r 5e8f9713e343 -r 3636bab5e81e src/hotspot/share/runtime/safepoint.hpp
--- a/src/hotspot/share/runtime/safepoint.hpp	Fri Nov 29 11:26:25 2019 +0100
+++ b/src/hotspot/share/runtime/safepoint.hpp	Fri Nov 29 12:09:25 2019 +0100
@@ -163,6 +163,7 @@
   static void handle_polling_page_exception(JavaThread *thread);
 
   static bool is_cleanup_needed();
+  static bool is_forced_cleanup_needed();
   static void do_cleanup_tasks();
 
   static void set_is_at_safepoint()             { _state = _synchronized; }