src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/ScriptLoader.java

*** 24,33 ****
--- 24,34 ----
   */
  
  package jdk.nashorn.internal.runtime;
  
  import java.security.CodeSource;
+ import java.util.Objects;
  
  /**
   * Responsible for loading script generated classes.
   *
   */
*** 67,76 ****
       * @param cs CodeSource code source of the class bytes.
       *
       * @return Installed class.
       */
      synchronized Class<?> installClass(final String name, final byte[] data, final CodeSource cs) {
!         // null check
!         cs.getClass();
          return defineClass(name, data, 0, data.length, cs);
      }
  }
--- 68,76 ----
       * @param cs CodeSource code source of the class bytes.
       *
       * @return Installed class.
       */
      synchronized Class<?> installClass(final String name, final byte[] data, final CodeSource cs) {
!         Objects.requireNonNull(cs);
          return defineClass(name, data, 0, data.length, cs);
      }
  }