babel/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-1051/input.js

foo.func1 = function() {
  if (cond1) {
    for (;;) {
      if (cond2) {
        function func2() {}
        function func3() {}
        func4(function() {
          func2();
        });
        break;
      }
    }
  }
};