polyfills make vue-router error on IE

[CaiPeng1989]

Version

3.2.1

Reproduction link

https://github.com/CaiPeng1989/polyfills-make-vueRouter-error-on-IE

Environment info

System:
    OS: Windows 10
    CPU: (8) x64 Intel(R) Core(TM) i5-8300H CPU @ 2.30GHz
  Binaries:
    Node: 11.4.0
    Yarn: 1.12.3 - C:\Users\MengQing\AppData\Roaming\npm\yarn.CMD
    npm: 6.4.1 - C:\Program Files\nodejs\npm.CMD
  Browsers:
    Edge: 44.17763.1.0
  npmPackages:
    @vue/babel-preset-app:  3.2.0
    @vue/cli-overlay:  3.2.0
    @vue/cli-plugin-babel: ^3.2.0 => 3.2.0
    @vue/cli-plugin-eslint: ^3.2.0 => 3.2.1
    @vue/cli-service: ^3.2.0 => 3.2.0
    @vue/cli-shared-utils:  3.2.0
    @vue/component-compiler-utils:  2.3.1
    @vue/eslint-config-standard: ^4.0.0 => 4.0.0
    @vue/preload-webpack-plugin:  1.1.0
    @vue/web-component-wrapper:  1.2.0
    babel-helper-vue-jsx-merge-props:  2.0.3
    babel-plugin-transform-vue-jsx:  4.0.1
    eslint-plugin-vue: ^5.0.0-0 => 5.0.0
    vue: ^2.5.17 => 2.5.21
    vue-eslint-parser:  4.0.3
    vue-hot-reload-api:  2.3.1
    vue-loader:  15.4.2
    vue-router: ^3.0.1 => 3.0.2
    vue-style-loader:  4.1.2
    vue-template-compiler: ^2.5.17 => 2.5.21
    vue-template-es2015-compiler:  1.6.0
  npmGlobalPackages:
    @vue/cli: 3.2.1

Steps to reproduce

yarn
yarn serve

What is expected?

Vue-router navigates normally on IE

What is actually happening?

Vue-router does not navigate properly on IE

[vue-router] Failed to resolve async component default: TypeError: [object Object] is not iterable!
[vue-router] uncaught error during route navigation:
[object Error]{message: "[object Obj...", name: "TypeError", stack: "TypeError: ..."}

[haoqunjiang]

See #1642 (comment)

vue-cli/packages/@vue/babel-preset-app/index.js

Lines 3 to 11 in be56537

	const defaultPolyfills = [
	// promise polyfill alone doesn't work in IE,
	// needs this as well. see: #1642
	'es6.array.iterator',
	// this is required for webpack code splitting, vuex etc.
	'es6.promise',
	// #2012 es6.promise replaces native Promise in FF and causes missing finally
	'es7.promise.finally'
	]