[BUG] Assertion failure on parsing hexadecimal floats about rust-lexical HOT 1 OPEN

fn main() {
    let options = unsafe {
        lexical::ParseFloatOptionsBuilder::new()
            .exponent('p' as u8)
            .build_unchecked()
    };

    assert_eq!(
        1.0,
        lexical::parse_with_options::<_, _, { lexical::format::C18_HEX_LITERAL }>("4P-2", &options)
            .expect("failed to parse")
    )
}