--- a/src/hotspot/share/gc/parallel/psMarkSweep.cpp	Tue Sep 10 14:52:53 2019 +0800
+++ b/src/hotspot/share/gc/parallel/psMarkSweep.cpp	Tue Sep 10 09:24:05 2019 +0200
@@ -251,7 +251,7 @@
 
     // Delete metaspaces for unloaded class loaders and clean up loader_data graph
     ClassLoaderDataGraph::purge();
-    MetaspaceUtils::verify_metrics();
+    DEBUG_ONLY(MetaspaceUtils::verify(false);)
 
     BiasedLocking::restore_marks();
     heap->prune_scavengable_nmethods();