Rollup of 4 pull requests#95448

Merged

bors merged 13 commits intorust-lang:masterfrom

Dylan-DPC:rollup-wpj5yto

Mar 29, 2022

Commits on Feb 22, 2022

Stabilize Termination and ExitCode
yaahc
committed

Commits on Mar 24, 2022

Ensure io::Error's bitpacked repr doesn't accidentally impl UnwindSafe
thomcc
committed
Add a `compile_fail` doctest to check that `io::Error: !UnwindSafe`
thomcc
committed

Commits on Mar 27, 2022

Commits on Mar 28, 2022

Touch up ExitCode docs

coolreader18
authored and
yaahc
committed

Commits on Mar 29, 2022