Rollup of 6 pull requests#103510

Closed

Dylan-DPC wants to merge 20 commits intorust-lang:masterfrom

Dylan-DPC:rollup-zxcistw

Commits on Jun 17, 2022

Stabilized Option::unzip()
Kixiron
committed

Commits on Sep 7, 2022

Use `CURRENT_RUSTC_VERSION`
Kixiron
authored

Commits on Oct 2, 2022

rustc: Use `unix_sigpipe` instead of `rustc_driver::set_sigpipe_handler`
Enselic
committed

Commits on Oct 22, 2022

Commits on Oct 25, 2022