Rollup of 5 pull requests#90224

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matthiaskrgr wants to merge 17 commits into

rust-lang:masterfrom

matthiaskrgr:rollup-xlregsa

Commits on Oct 15, 2021

Commits on Oct 17, 2021

Commits on Oct 21, 2021

ignore `potential_query_instability` in rustdoc
lcnr
committed

Commits on Oct 22, 2021

Mark {array,slice}::{from_ref,from_mut} as const fn
WaffleLapkin
committed