Function f

test/js_optimizer/JSDCE.js:11–15

(x, y, z)

var array = [1, 2, '3', function() { ignoreInsideIt() }];
var keeperArray = [1, 2, '3', four()];
function f(x, y, z) {
  // shadow the x,y,z
  x = y;
  y = z;
}

// exported
function g(a) {