6c869d34ae
Rollup of 6 pull requests Successful merges: - #77693 (Add test for #59352) - #80515 (Improve JS performance by storing length before comparing to it in loops) - #81030 (Update mdbook) - #81033 (Remove useless `clean::Variant` struct) - #81049 (inline: Round word-size cost estimates up) - #81054 (Drop a few unneeded borrows) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup