rem: client._loader = cls.createInstance(mozIJSSubScriptLoader); 
add: client._loader = cls.getService(mozIJSSubScriptLoader); 
context: function cli_load(url, scope){    if (!("_loader" in client))    {        const LOADER_CTRID = "@mozilla.org/moz/jssubscript-loader;1";        const mozIJSSubScriptLoader =             Components.interfaces.mozIJSSubScriptLoader;        var cls;        if ((cls = Components.classes[LOADER_CTRID]))            client._loader = cls.createInstance(mozIJSSubScriptLoader);    }    return client._loader.loadSubScript(url, scope);}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/53d9d325d60fe139d529a03b2ae133cb9cd48856/static.js/buggy/extensions/irc/xul/content/static.js