This change introduces a size regression of 9kb for main.js :-(
I filed an issue for this: https://github.com/angular/angular-cli/issues/9108
-rw-r--r-- 1 iminar eng 72546 Jan 5 19:27 dist.cli-1.6.3/0.86a7a08f7866e6cdc36f.chunk.js
-rw-r--r-- 1 iminar eng 14893 Jan 5 19:27 dist.cli-1.6.3/4.c719ac5645940382cdce.chunk.js
-rw-r--r-- 1 iminar eng 1558 Jan 5 19:27 dist.cli-1.6.3/inline.7722895d8c844f710bcd.bundle.js
-rw-r--r-- 1 iminar eng 466484 Jan 5 19:27 dist.cli-1.6.3/main.faff0e2da95443f759f5.bundle.js
-rw-r--r-- 1 iminar eng 40363 Jan 5 19:27 dist.cli-1.6.3/polyfills.87edf5d695f14a29bf91.bundle.js
-rw-r--r-- 1 iminar eng 54001 Jan 5 19:27 dist.cli-1.6.3/worker-basic.min.js
PR Close#21350