…0968, r=GuillaumeGomez

rustdoc: add regression test for rust-lang#140968

fixes rust-lang#140968

Rollup of 19 pull requests

Successful merges:

 - #148048 (Stabilize `maybe_uninit_write_slice`)
 - #148641 (Add a diagnostic attribute for special casing const bound errors for non-const impls)
 - #148765 (std: split up the `thread` module)
 - #149074 (Add Command::get_env_clear)
 - #149097 (num: Implement `uint_gather_scatter_bits` feature for unsigned integers)
 - #149131 (optimize `slice::Iter::next_chunk`)
 - #149190 (Forbid `CHECK: br` and `CHECK-NOT: br` in codegen tests (suggest `br {{.*}}` instead))
 - #149239 (clarify float min/max behavios for NaNs and signed zeros)
 - #149243 (Fix typo and clarify bootstrap change tracker entry)
 - #149270 (implement `Iterator::{exactly_one, collect_array}`)
 - #149295 (Suggest _bytes versions of endian-converting methods)
 - #149301 (Motor OS: make decode_error_kind more comprehensive)
 - #149306 (bootstrap: Miri now handles jemalloc like everything else)
 - #149325 (rustdoc: add regression test for #140968)
 - #149332 (fix rustdoc search says “Consider searching for "null" instead.” #149324)
 - #149349 (Fix typo in comment.)
 - #149353 (Tidying up UI tests [3/N])
 - #149355 (Document that `build.description` affects symbol mangling and crate IDs)
 - #149360 (Enable CI download for windows-gnullvm)

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

Rollup of 12 pull requests

Successful merges:

 - #147115 (More robust stack protector testing)
 - #148048 (Stabilize `maybe_uninit_write_slice`)
 - #148641 (Add a diagnostic attribute for special casing const bound errors for non-const impls)
 - #149074 (Add Command::get_env_clear)
 - #149097 (num: Implement `uint_gather_scatter_bits` feature for unsigned integers)
 - #149131 (optimize `slice::Iter::next_chunk`)
 - #149190 (Forbid `CHECK: br` and `CHECK-NOT: br` in codegen tests (suggest `br {{.*}}` instead))
 - #149239 (clarify float min/max behavios for NaNs and signed zeros)
 - #149243 (Fix typo and clarify bootstrap change tracker entry)
 - #149301 (Motor OS: make decode_error_kind more comprehensive)
 - #149306 (bootstrap: Miri now handles jemalloc like everything else)
 - #149325 (rustdoc: add regression test for #140968)

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

Rollup merge of #149325 - lolbinarycat:rustdoc-alias-sort-140968, r=GuillaumeGomez

rustdoc: add regression test for #140968

fixes #140968