fn mark_live_symbols_and_ignored_derived_traits(
symbol_visitor: &mut MarkSymbolVisitor<'_>,
unsolved_items: &mut Vec<LocalDefId>,
) -> Result<(), ErrorGuaranteed>fn mark_live_symbols_and_ignored_derived_traits(
symbol_visitor: &mut MarkSymbolVisitor<'_>,
unsolved_items: &mut Vec<LocalDefId>,
) -> Result<(), ErrorGuaranteed>