Rustdoc `--sort-modules-by-appearance` sometimes doesn't respect order

[crlf0710]

Code

/// should occur first
pub use std::mem::drop;

pub use inner::yyy;

mod inner {
    /// should occur second
    pub fn yyy() {}
}

Reproduction Steps

run rustdoc with -Z unstable-options --sort-modules-by-appearance

Expected Outcome

drop should occur first, yyy second

Actual Output

yyy first, drop second

Version

rustdoc 1.94.0-nightly (806c2a3 2025-12-19)

Additional Details

If i replace reexported drop with a locally defined exported function, the issue doesn't occur.