--- old/test/hotspot/jtreg/runtime/cds/appcds/SpecifySysLoaderProp.java	2020-07-22 12:00:44.780297613 -0700
+++ new/test/hotspot/jtreg/runtime/cds/appcds/SpecifySysLoaderProp.java	2020-07-22 12:00:44.604290987 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -72,6 +72,7 @@
     TestCommon.run(
         "-verbose:class",
         "-cp", appJar,
+        "-Xlog:cds",
         "-Djava.system.class.loader=TestClassLoader",
         "ReportMyLoader")
       .assertNormalExit("ReportMyLoader's loader = jdk.internal.loader.ClassLoaders$AppClassLoader@", //<-this is still printed because TestClassLoader simply delegates to Launcher$AppLoader, but ...
@@ -80,6 +81,7 @@
       .assertNormalExit(output -> {
         output.shouldMatch(".class,load. TestClassLoader source: file:");
         output.shouldMatch(".class,load. ReportMyLoader source: file:.*" + jarFileName);
+        output.shouldContain("full module graph: disabled due to incompatible property: java.system.class.loader=");
         });
 
     // (3) Try to change the java.system.class.loader programmatically after