{"ast_node_type":"function","tokens":[{"end":80,"kind":"keyword","start":0,"text":"fn"}]}
    fn type_may_have_niche_of_interest_to_backend(&self, ty: Ty<'tcx>) -> bool {
    /// but it's fine to skip whole-range-is-value steps like `A -> u32 -> B`.
        let Ok(layout) = self.ecx.layout_of(ty) else {