Feature gate `rustc` attributes harder#62133

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bors merged 2 commits intorust-lang:masterfrom

petrochenkov:norustc

Jul 5, 2019

Commits on Jun 30, 2019

Make sure `#[rustc_doc_only_macro]` and other rustc attributes are registered
petrochenkov
committed
Feature gate `rustc` attributes harder
petrochenkov
committed