--- old/src/hotspot/share/classfile/moduleEntry.cpp	2020-03-26 15:57:51.000000000 -0700
+++ new/src/hotspot/share/classfile/moduleEntry.cpp	2020-03-26 15:57:50.000000000 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 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
@@ -75,6 +75,7 @@
     const char* loc = location()->as_C_string();
     ClassLoaderData* cld = loader_data();
 
+    assert(!cld->has_class_mirror_holder(), "module's cld should have a ClassLoader holder not a Class holder");
     if ((cld->is_the_null_class_loader_data() || cld->is_platform_class_loader_data()) &&
         (strncmp(loc, "jrt:/java.", 10) == 0)) {
       return false;
@@ -135,6 +136,7 @@
   // injecting dependencies that require the default read edges for resolution.
   if (this->has_default_read_edges() && !m->is_named()) {
     ClassLoaderData* cld = m->loader_data();
+    assert(!cld->has_class_mirror_holder(), "module's cld should have a ClassLoader holder not a Class holder");
     if (cld->is_the_null_class_loader_data() || cld->is_system_class_loader_data()) {
       return true; // default read edge
     }