Rollup of 5 pull requests Successful merges: - #67430 (doc: minus (U+2212) instead of dash (U+002D) for negative infinity) - #67697 (Move the region_scope_tree query to librustc_passes.) - #67719 (Add self to .mailmap) - #67723 (Add error code explanation for E0477) - #67735 (Support `-Z ui-testing=yes/no`) Failed merges: r? @ghost