[DRE-maint] Bug#954993: public gitlab instance to troubleshoot this is now available

[Pirate Praveen]

Control: severity -1 grave
Control: tags -1 pending

On Sat, 28 Mar 2020 19:37:33 +0530 Pirate Praveen <
praveen at onenetbeyond.org> wrote:
> Found a similar issue here
> https://github.com/zloirock/core-js/issues/743
> 
> and gitlab's webpack.config.js excludes node_modules but since we are
> using core-js from system, babel is transpiling core-js as well,
> creating the problem.

Fixed by excluding core-js from transpiling