Rollup of 7 pull requests#75421

Merged

bors merged 15 commits intorust-lang:masterfrom

tmandry:rollup-ctzmzn1

Aug 11, 2020

Commits on Aug 10, 2020

Introduce `rustc_lexer::is_ident` and use it in couple of places
petrochenkov
committed
Feature gate is always present

Mark-Simulacrum
authored and
petrochenkov
committed

Commits on Aug 11, 2020