src/jdk/nashorn/internal/runtime/JSONFunctions.java

*** 99,109 ****
      // parse helpers
  
      // apply 'reviver' function if available
      private static Object applyReviver(final Global global, final Object unfiltered, final Object reviver) {
          if (reviver instanceof ScriptFunction) {
-             assert global instanceof Global;
              final ScriptObject root = global.newObject();
              root.addOwnProperty("", Property.WRITABLE_ENUMERABLE_CONFIGURABLE, unfiltered);
              return walk(root, "", (ScriptFunction)reviver);
          }
          return unfiltered;
--- 99,108 ----