--- old/src/java.base/share/classes/java/lang/invoke/InnerClassLambdaMetafactory.java	2020-03-17 11:31:32.000000000 -0700
+++ new/src/java.base/share/classes/java/lang/invoke/InnerClassLambdaMetafactory.java	2020-03-17 11:31:31.000000000 -0700
@@ -43,6 +43,7 @@
 import java.util.Set;
 
 import static java.lang.invoke.MethodHandles.Lookup.ClassOption.NESTMATE;
+import static java.lang.invoke.MethodHandles.Lookup.ClassOption.STRONG;
 import static jdk.internal.org.objectweb.asm.Opcodes.*;
 
 /**
@@ -347,7 +348,7 @@
         }
         try {
             // this class is linked at the indy callsite; so define a hidden nestmate
-            Lookup lookup = caller.defineHiddenClass(classBytes, !disableEagerInitialization, NESTMATE);
+            Lookup lookup = caller.defineHiddenClass(classBytes, !disableEagerInitialization, NESTMATE, STRONG);
             if (useImplMethodHandle) {
                 // If the target class invokes a method reference this::m which is
                 // resolved to a protected method inherited from a superclass in a different