add: return undefined; 
context: function sc_callCcRestart(exc) {    while (true) {	try {	    exc.root();	    if (sc_CALLCC_STORAGE.firstCall) {		return sc_CALLCC_STORAGE.firstCall();	    }	    return;	} catch (e) {	    if (e instanceof sc_CallCcException)		exc = e;	    else		throw e;	}    }}
meta: 4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4636/6f126e296c2abf467096563f59303f565c8bd74d/runtime.js/buggy/scheme2js/runtime/runtime.js