src/jdk/nashorn/internal/objects/Global.java

*** 1003,1015 ****
       * Script access to "current" Global instance
       *
       * @return the global singleton
       */
      public static Global instance() {
!         final Global global = Context.getGlobal();
!         Objects.requireNonNull(global);
!         return global;
      }
  
      private static Global instanceFrom(final Object self) {
          return self instanceof Global? (Global)self : instance();
      }
--- 1003,1013 ----
       * Script access to "current" Global instance
       *
       * @return the global singleton
       */
      public static Global instance() {
!         return Objects.requireNonNull(Context.getGlobal());
      }
  
      private static Global instanceFrom(final Object self) {
          return self instanceof Global? (Global)self : instance();
      }