babel/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/input.js

console.log(a());
function a() {
  "use strict";
  if (f() !== 1) return false;
  function f() {
    return 1;
  }
  {
    if (f() !== 2) return false;
    function f() {
      return 2;
    }
    if (f() !== 2) return false;
  }
  if (f() !== 1) return false;
  return true;
}