…nits, r=lcnr

Region constraint nits

Couple miscellaneous region constraints that have a bit to do with rust-lang#143545 but stand on their own.

Rollup of 17 pull requests

Successful merges:

 - #142885 (core: Add `BorrowedCursor::with_unfilled_buf`)
 - #143217 (Port #[link_ordinal] to the new attribute parsing infrastructure)
 - #143355 (wrapping shift: remove first bitmask and table)
 - #143448 (remote-test-client: Exit code `128 + <signal-number>` instead of `3`)
 - #143681 (bootstrap/miri: avoid rebuilds for test builds)
 - #143710 (Updates to random number generation APIs)
 - #143724 (Tidy cleanup)
 - #143738 (Move several float tests to floats/mod.rs)
 - #143820 (Fixed a core crate compilation failure when enabling the `optimize_for_size` feature on some targets)
 - #143850 (Compiletest: Simplify {Html,Json}DocCk directive handling)
 - #143855 (Port `#[omit_gdb_pretty_printer_section]` to the new attribute parsing)
 - #143868 (warn on align on fields to avoid breaking changes)
 - #143875 (update issue number for `const_trait_impl`)
 - #143881 (Use zero for initialized Once state)
 - #143887 (Run bootstrap tests sooner in the `x test` pipeline)
 - #143893 (Don't require `eh_personality` lang item on targets that have a personality)
 - #143901 (Region constraint nits)

Failed merges:

 - #143878 (Port `#[pointee]` to the new attribute parsing infrastructure)
 - #143891 (Port `#[coverage]` to the new attribute system)

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

Rollup of 8 pull requests

Successful merges:

 - #141809 (Don't call WSACleanup on process exit)
 - #143710 (Updates to random number generation APIs)
 - #143848 (Rename `stable_mir` and `rustc_smir`)
 - #143855 (Port `#[omit_gdb_pretty_printer_section]` to the new attribute parsing)
 - #143868 (warn on align on fields to avoid breaking changes)
 - #143870 ([COMPILETEST-UNTANGLE 6/N] Use `TestSuite` enum instead of stringly-typed test suites)
 - #143901 (Region constraint nits)
 - #143903 (Fix typos in documentation files)

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

Rollup merge of #143901 - compiler-errors:region-constraint-nits, r=lcnr

Region constraint nits

Couple miscellaneous region constraints that have a bit to do with #143545 but stand on their own.