rustc: Make the `trait_map` of TyCtxt private#44162

Merged

bors merged 2 commits intorust-lang:masterfrom

alexcrichton:hide-trait-map

Aug 31, 2017

Commits on Aug 29, 2017

rustc: Make the `trait_map` of TyCtxt private
alexcrichton
committed

Commits on Aug 30, 2017

rustc: Make the `export_map` of TyCtxt private
alexcrichton
committed