gistfile1.txt

[2013-04-03 22:31:43 PDT] catrope@roanS9:~$ cat crash.js 
  var a = {};
  a.b = a;
  alert( JSON.stringify( a, function ( key, val ) {
  	// This technically needs an if statement to check that val is an object or array,
  	// but for this test it doesn't matter
  	var normalized = {}, keys = Object.keys( val ).sort(), i = 0, len = keys.length;
  	for ( ; i < len; i++ ) {
  		normalized[keys[i]] = val[keys[i]];
  	}
  	return normalized;
  } ) );
  
  [2013-04-03 22:31:46 PDT] catrope@roanS9:~$ phantomjs-1.9.0-linux-x86_64/bin/phantomjs crash.js 
  (runs forever) ^C