rem: if (!logins.some(function(l) { match = l; return currentLogin.equalsIgnorePassword(l); })) 
add: var found = logins.some(function(l) { matchingLogin = l; return (l.username == username); }); 
context:         if (!logins.some(function(l) {                                match = l;                                return currentLogin.equalsIgnorePassword(l);                        }))
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/7383100143c1a14e724e492e66f0b3c43df7e68a/nsLoginManager.js/buggy/toolkit/components/passwordmgr/src/nsLoginManager.js