v8/test/mjsunit/compiler/lazy-iife-no-parens.js

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation
// comments to trigger lazy compilation comments to trigger lazy compilation

// Test that IIFEs are compilable even under lazy conditions where the enclosing
// parentheses heuristic has not been triggered.

function f() {
  return function(){ return 0; }();
}

function g() {
  function h() {
    return function(){ return 0; }();
  }
  return h();
}

f();

g();

0, function(){}();

(function(){ 0, function(){}(); })();

0, function(){ (function(){ 0, function(){}(); })(); }();