Rollup of 13 pull requests#81113

Merged

bors merged 30 commits intorust-lang:masterfrom

m-ou-se:rollup-a1unz4x

Jan 17, 2021

Commits on Jan 2, 2021

use hir::Place instead of Symbol in closure_kind_origin
roxelo
committed

Commits on Jan 11, 2021

resolve: Simplify collection of traits in scope
petrochenkov
committed

Commits on Jan 13, 2021

Remove is_dllimport_foreign_item def from cg_ssa
bjorn3
committed

Commits on Jan 16, 2021

Commits on Jan 17, 2021