Rollup of 4 pull requests#94706

Merged

bors merged 15 commits intorust-lang:masterfrom

matthiaskrgr:rollup-l5erynr

Mar 7, 2022

Commits on Jan 26, 2022

libunwind: readd link attrs to _Unwind_Backtrace
gburgessiv
committed

Commits on Mar 7, 2022