edeb631ad0
Rollup of 13 pull requests Successful merges: - #79298 (correctly deal with late-bound lifetimes in anon consts) - #80031 (resolve: Reject ambiguity built-in attr vs different built-in attr) - #80201 (Add benchmark and fast path for BufReader::read_exact) - #80635 (Improve diagnostics when closure doesn't meet trait bound) - #80765 (resolve: Simplify collection of traits in scope) - #80932 (Allow downloading LLVM on Windows and MacOS) - #80983 (Remove is_dllimport_foreign_item definition from cg_ssa) - #81064 (Support non-stage0 check) - #81080 (Force vec![] to expression position only) - #81082 (BTreeMap: clean up a few more comments) - #81084 (Use Option::map instead of open-coding it) - #81095 (Use Option::unwrap_or instead of open-coding it) - #81107 (Add NonZeroUn::is_power_of_two) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup