Bug issue: zloirock/core-js#736
Fixed: https://github.com/zloirock/core-js/commit/8b9f77425e1205ac1fd02baddcf5943ff10415f9
Crash in IE 11 with a combination av core-js, @babel/runtime-corejs3 and immutablejs.
yarnyarn start- Open
localhost:8080/demo.htmlin IE 11