fix(@angular-devkit/build-optimizer): don't mark tslib helpers which …#15451

Merged

mgechev merged 1 commit intoangular:masterfrom

alan-agius4:tslib-multiple-pure

Aug 27, 2019

Commits on Aug 27, 2019

fix(@angular-devkit/build-optimizer): don't mark tslib helpers which are suffixed with `$` and a number as pure
alan-agius4
committed