Rollup of 9 pull requests#138595

Merged

bors merged 40 commits intorust-lang:masterfrom

jhpratt:rollup-09pvfzu

Mar 17, 2025

Commits on Mar 10, 2025

Commits on Mar 11, 2025

std: Mention clone-on-write mutation in Arc<T>
xizheyin
committed

Commits on Mar 12, 2025

Fix panic handler for cygwin
Berrysoft
committed

Commits on Mar 13, 2025

Commits on Mar 14, 2025

Improve upvar analysis for deref of child capture
compiler-errors
committed

Commits on Mar 16, 2025

Commits on Mar 17, 2025