--- old/src/java.base/share/classes/jdk/internal/reflect/ReflectionFactory.java	2018-07-19 14:08:28.000000000 -0700
+++ new/src/java.base/share/classes/jdk/internal/reflect/ReflectionFactory.java	2018-07-19 14:08:28.000000000 -0700
@@ -444,7 +444,9 @@
         Class<?> superCl = cl.getSuperclass();
         assert Serializable.class.isAssignableFrom(cl);
         assert superCl != null;
-        if (packageEquals(cl, superCl)) {
+        if (Reflection.areNestMates(cl, superCl)) {
+            return true;
+        } else if (packageEquals(cl, superCl)) {
             // accessible if any non-private constructor is found
             for (Constructor<?> ctor : superCl.getDeclaredConstructors()) {
                 if ((ctor.getModifiers() & Modifier.PRIVATE) == 0) {
--- old/test/jdk/ProblemList.txt	2018-07-19 14:08:30.000000000 -0700
+++ new/test/jdk/ProblemList.txt	2018-07-19 14:08:29.000000000 -0700
@@ -590,12 +590,6 @@
 
 java/rmi/registry/readTest/CodebaseTest.java                    8173324 windows-all
 
-java/rmi/activation/ActivationSystem/modifyDescriptor/ModifyDescriptor.java         8206865 generic-all
-java/rmi/activation/Activatable/restartService/RestartService.java                  8206865 generic-all
-java/rmi/activation/Activatable/restartCrashedService/RestartCrashedService.java    8206865 generic-all
-java/rmi/activation/Activatable/forceLogSnapshot/ForceLogSnapshot.java              8206865 generic-all
-java/rmi/activation/Activatable/checkRegisterInLog/CheckRegisterInLog.java          8206865 generic-all
-
 ############################################################################
 
 # jdk_security