Rollup of 4 pull requests#150146

Closed

JonathanBrouwer wants to merge 10 commits intorust-lang:mainfrom

JonathanBrouwer:rollup-s1jdwck

Commits on Dec 9, 2025

Add regression test for closure loop vectorization
is57primenumber
committed

Commits on Dec 13, 2025

add several older crashtests
cyrgani
committed

Commits on Dec 18, 2025