Rollup of 8 pull requests#149975

Closed

ChrisDenton wants to merge 21 commits intorust-lang:mainfrom

ChrisDenton:rollup-m8h7wuk

Commits on Nov 28, 2025

Constify `DropGuard` methods
nxsaken
committed

Commits on Dec 8, 2025

fix va_list test by adding a llvmir signext check
fneddy
committed

Commits on Dec 9, 2025

Fix(alloc): Correctly handle ZST alignment for IntoIter::nth_back
DrAsu33
committed

Commits on Dec 10, 2025

tidy: Detect outdated workspaces in workspace list
jamie-osec
committed

Commits on Dec 12, 2025

Commits on Dec 14, 2025