rem: dnsResolveCachedHost = host; 
context: function dnsResolve(host) {    if (host == dnsResolveCachedHost) {        return dnsResolveCachedIp;    }    dnsResolveCachedHost = host;    try {        dnsResolveCachedIp = dns.resolve(host);    }    catch (e) {        dnsResolveCachedIp = null;    }    return dnsResolveCachedIp;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6e8d34f06ebe67bd4081626f9fd0e562f8380299/nsProxyAutoConfig.js/buggy/netwerk/base/src/nsProxyAutoConfig.js