meteor-slow-build-bug

Steps to reproduce:

mkdir meteor-slow-build-bug
cd meteor-slow-build-bug
git clone https://github.com/lawrentiy/meteor-slow-build-bug.git
meteor npm i
METEOR_PROFILE=1 meteor run
find line 'linker File#getPrelinkedOutput' - it has amout of time

How to "fix" (1 variant)

change server.js
write import {ToggleStar} from 'material-ui/svg-icons' instead of import {SvgIcon} from 'material-ui'

How to "fix" (2 variant)

change node_packages/svg-icons/index.js
remove line with multiple assigment "exports.ToggleStar = exports.ToggleStarHalf ... exports.ActionAccessibility = undefined;"