Rollup of 6 pull requests#122475

Closed

matthiaskrgr wants to merge 12 commits intorust-lang:masterfrom

matthiaskrgr:rollup-5mpd9iv

Commits on Mar 9, 2024

Avoid closing invalid handles
dylni
committed

Commits on Mar 12, 2024

Fix WF for AsyncFnKindHelper in new trait solver
compiler-errors
committed

Commits on Mar 13, 2024

Commits on Mar 14, 2024