Rollup of 8 pull requests#151617

Closed

matthiaskrgr wants to merge 27 commits intorust-lang:mainfrom

matthiaskrgr:rollup-5WPcrqe

Commits on Jan 4, 2026

add CSE optimization tests for iterating over slice
is57primenumber
committed

Commits on Jan 8, 2026

Fix(lib/win/thread): Ensure `Sleep`'s usage passes over the requested duration under Win7
PaulDance
committed

Commits on Jan 17, 2026

Refine dummy_span.rs test
dianqk
committed

Commits on Jan 20, 2026

Add codegen test for issue 138497
jamie-osec
committed

Commits on Jan 21, 2026

Commits on Jan 23, 2026

relnotes: fix 1.93's `as_mut_array` methods
cuviper
committed

Commits on Jan 24, 2026