--- old/src/hotspot/share/gc/z/zDriver.cpp	2020-08-07 13:16:06.702156561 +0200
+++ new/src/hotspot/share/gc/z/zDriver.cpp	2020-08-07 13:16:06.578154590 +0200
@@ -381,6 +381,9 @@
 
     // Update data used by soft reference policy
     Universe::update_heap_info_at_gc();
+
+    // Signal that we have completed a visit to all live objects
+    Universe::heap()->record_whole_heap_examined_timestamp();
   }
 };