Auto merge of #149370 - Zalathar:rollup-6fkk5x4, r=Zalathar

Rollup of 8 pull requests

Successful merges:

 - rust-lang/rust#149238 (float::clamp: make treatment of signed zeros unspecified)
 - rust-lang/rust#149270 (implement `Iterator::{exactly_one, collect_array}`)
 - rust-lang/rust#149295 (Suggest _bytes versions of endian-converting methods)
 - rust-lang/rust#149332 (fix rustdoc search says “Consider searching for "null" instead.” rust-lang/rust#149324)
 - rust-lang/rust#149349 (Fix typo in comment.)
 - rust-lang/rust#149353 (Tidying up UI tests [3/N])
 - rust-lang/rust#149355 (Document that `build.description` affects symbol mangling and crate IDs)
 - rust-lang/rust#149360 (Enable CI download for windows-gnullvm)

r? `@ghost`
`@rustbot` modify labels: rollup