Rollup of 5 pull requests Successful merges: - #96154 (Expand core::hint::unreachable_unchecked() docs) - #96615 (Add a regression test for #54779) - #96982 (fix clippy expect_fun_call) - #97003 (Remove some unnecessary `rustc_allow_const_fn_unstable` attributes.) - #97011 (Add regression test for #28935) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup