Rollup merge of rust-lang#140565 - GuillaumeGomez:rollup-gv4ed14, r=GuillaumeGomez

Rollup of 12 pull requests

Successful merges:

 - rust-lang#138703 (chore: remove redundant words in comment)
 - rust-lang#139186 (Refactor `diy_float`)
 - rust-lang#139780 (docs: Add example to `Iterator::take` with `by_ref`)
 - rust-lang#139802 (Fix some grammar errors and hyperlinks in doc for `trait Allocator`)
 - rust-lang#140034 (simd_select_bitmask: the 'padding' bits in the mask are just ignored)
 - rust-lang#140062 (std: mention `remove_dir_all` can emit `DirectoryNotEmpty` when concurrently written into)
 - rust-lang#140420 (rustdoc: Fix doctest heuristic for main fn wrapping)
 - rust-lang#140460 (Fix handling of LoongArch target features not supported by LLVM 19)
 - rust-lang#140538 (rustc-dev-guide subtree update)
 - rust-lang#140544 (Clean up "const" situation in format_args!(). )
 - rust-lang#140552 (allow `#[rustc_std_internal_symbol]` in combination with `#[naked]`)
 - rust-lang#140556 (Improve error output in case `nodejs` or `npm` is not installed for rustdoc-gui test suite)

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

Author: VlaDexa