--- old/src/java.base/share/classes/java/lang/invoke/InnerClassLambdaMetafactory.java	2020-03-31 19:13:24.000000000 -0700
+++ new/src/java.base/share/classes/java/lang/invoke/InnerClassLambdaMetafactory.java	2020-03-31 19:13:24.000000000 -0700
@@ -185,7 +185,7 @@
 
     private static String lambdaClassName(Class<?> targetClass) {
         String name = targetClass.getName();
-        if (targetClass.isHiddenClass()) {
+        if (targetClass.isHidden()) {
             // use the original class name
             name = name.replace('/', '_');
         }