Remove use of specialization from librustc_arena#73378

Merged

bors merged 2 commits intorust-lang:masterfrom matthewjasper:arena-not-special

Jun 21, 2020

+52-46

Commits on Jun 15, 2020

Remove use of specialization from librustc_arena
matthewjasper
committed

Commits on Jun 16, 2020

Explain unused macro param
matthewjasper
committed