Rollup of 4 pull requests#154535

Merged

rust-bors[bot] merged 10 commits intorust-lang:mainfrom

JonathanBrouwer:rollup-jU7CiZw

Mar 29, 2026

Commits on Mar 9, 2026

Fix Vec::const_make_global for 0 capacity and ZST's
Lars-Schumann
committed

Commits on Mar 10, 2026

combine 0 capacity and ZST cases
Lars-Schumann
committed

Commits on Mar 21, 2026

Don't fuse in `MapWindows`
Jules-Bertholet
committed

Commits on Mar 28, 2026