--- old/src/hotspot/share/classfile/dictionary.cpp	2018-06-19 09:43:32.661387555 -0700
+++ new/src/hotspot/share/classfile/dictionary.cpp	2018-06-19 09:43:32.344357655 -0700
@@ -503,6 +503,12 @@
         ResourceMark rm;
         tty->print_cr("Skipping JFR event class %s", ik->name()->as_C_string());
         free_entry(p);
+      } else if (ik->has_been_redefined()) {
+        // Similar to the above, we cannot include classes which has beed redefined during
+        // dump time.
+        ResourceMark rm;
+        tty->print_cr("Skipping redefined class %s", ik->name()->as_C_string());
+        free_entry(p);
       } else {
         p->set_next(master_list);
         master_list = p;