Beta cherrypick#24942

Closed

pnkfelix wants to merge 2 commits intorust-lang:betafrom

pnkfelix:beta-cherrypick

Commits on Apr 29, 2015

Rather than storing the relations between free-regions in a global

nikomatsakis
authored and
pnkfelix
committed
fix rustc_driver tests

nikomatsakis
authored and
pnkfelix
committed