rustbuild: Add cli option --keep-stage#38331

Merged

bors merged 2 commits intorust-lang:masterfrom

bluss:assume-stage

Dec 15, 2016

Commits on Dec 12, 2016

rustbuild: Add cli option --keep-stage
bluss
committed

Commits on Dec 15, 2016

rustbuild: Add small description of --keep-stage
bluss
committed