function f(x, y) {
var g = function() { return h() };
var h = function() { return g() };
return x + y;
}
now compresses to `function f(x, y) { return x + y }`
function f(x, y) {
var g = function() { return h() };
var h = function() { return g() };
return x + y;
}
now compresses to `function f(x, y) { return x + y }`