function f1() {

var g;

var x1 = g;

if (typeof g === 'function') {

var x2 = g;

}

var x3 = g;

}

function f2() {

var a = Math.random() > 0.5 ? null : (Math.random() < 0.5 ? 'hi' : 42);

var x1 = a;

if (a)

var x2 = a;

if ('string' != typeof a) {

var x3 = a;

if (!a) {

var x4 = a;

} else {

var x5 = a;

}

}

var x6 = a;

}

function f3() {

var a;

if ((typeof a)[0] !== 'u') {

var x1 = a;

}

var x2 = a;

}

function f4(c) {

var a = c ? {} : function(){};

if ((typeof a)[0] === 'o') {

var x1 = a;

}

var x2 = a;

}

function f5() {

var f;

function inner() {

var x1 = f;

f = null;

var x2 = f;

}

var x3 = f;

if (f) {

var x4 = f;

}

var x5 = f;

inner();

var x6 = f;

}

function f6(x) {

if (typeof x !== 'string')

return;

var x2 = x;

}