Auto merge of #154535 - JonathanBrouwer:rollup-jU7CiZw, r=JonathanBrouwer

Rollup of 4 pull requests

Successful merges:

 - rust-lang/rust#153632 (Fix Vec::const_make_global for 0 capacity and ZST's)
 - rust-lang/rust#154190 (Don't fuse in `MapWindows`)
 - rust-lang/rust#154512 (Constify comparisons and `Clone` for `core::mem::Alignment`)
 - rust-lang/rust#154520 (Add doc links to `ExtractIf` of `BTree{Set,Map}` and `LinkedList`)