--- old/src/java.base/share/classes/jdk/internal/reflect/Reflection.java	2020-03-26 16:00:46.000000000 -0700
+++ new/src/java.base/share/classes/jdk/internal/reflect/Reflection.java	2020-03-26 16:00:45.000000000 -0700
@@ -51,7 +51,7 @@
         fieldFilterMap = Map.of(
             Reflection.class, ALL_MEMBERS,
             AccessibleObject.class, ALL_MEMBERS,
-            Class.class, Set.of("classLoader"),
+            Class.class, Set.of("classLoader", "classData"),
             ClassLoader.class, ALL_MEMBERS,
             Constructor.class, ALL_MEMBERS,
             Field.class, ALL_MEMBERS,