rem: this.importBundle(bundle, targetWindow, this.bundleList.length - 1);  
add:   try { this.importBundle(bundle, targetWindow, this.bundleList.length - 1); } catch (exception) {  this.bundleList.pop(); throw exception; } 
context: function mm_addbundle(bundlePath, targetWindow){    var bundle = srGetStrBundle(bundlePath);    this.bundleList.push(bundle);    this.importBundle(bundle, targetWindow, this.bundleList.length - 1);    return bundle;}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/3a203c0c9840bbfb26f333263498b4299aea5a0e/message-manager.js/clean/extensions/irc/js/lib/message-manager.js