Rollup of 19 pull requests#149361

Closed

Zalathar wants to merge 46 commits intorust-lang:mainfrom

Zalathar:rollup-ygtgbn5

Commits on Oct 23, 2025

Stabilize maybe_uninit_write_slice
thaliaarchi
committed

Commits on Nov 9, 2025

std: split up the `thread` module (preparation)
joboet
committed

Commits on Nov 11, 2025

Commits on Nov 19, 2025

Add Command::get_env_clear
schneems
committed

Commits on Nov 20, 2025

Resolve to a concrete impl instead of using fuzzy search
oli-obk
committed

Commits on Nov 21, 2025

Replace uses of 'CHECK: br' and 'CHECK-NOT: br' with 'br {{.*}}'.
zachs18
committed
Add tidy check to forbid 'CHECK: br' and 'CHECK-NOT: br' in new codegen tests
zachs18
committed

Commits on Nov 23, 2025

Fix typo and clarify bootstrap change tracker entry
yotamofek
committed

Commits on Nov 26, 2025