src/java.base/share/classes/java/lang/ClassLoader.java

*** 2632,10 ***
--- 2632,11 ---
  
          reinitObjectField("package2certs", new ConcurrentHashMap<>());
          classes.clear();
          classes.trimToSize();
          classLoaderValueMap = null;
+         libraries.clear();
      }
  }
  
  /*
   * A utility class that will enumerate over an array of enumerations.