{"ast_node_type":"other","tokens":[{"end":16,"kind":"keyword","start":0,"text":"//"}]}
        // FIXME
    fn adt_size_align(&self, _id: chalk_ir::AdtId<Interner>) -> Arc<rust_ir::AdtSizeAlign> {
        Arc::new(rust_ir::AdtSizeAlign::from_one_zst(false))