Rollup of 7 pull requests#89984

Merged

bors merged 15 commits intorust-lang:masterfrom

matthiaskrgr:rollup-ikmyhmx

Oct 17, 2021

Commits on Oct 10, 2021

ty::pretty: document "dummy Span extern crate" special-case in `try_print_visible_def_path_recur`.
eddyb
committed
ty::pretty: prevent infinite recursion for `extern crate` paths.
eddyb
committed

Commits on Oct 15, 2021

Make `rust.download-ci-llvm="if-available"` work for tier 2 platforms.
hkratz
committed

Commits on Oct 16, 2021

Commits on Oct 17, 2021