{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"assert!(!adt_def.is_enum());"}]}
                assert!(!adt_def.is_enum());
            ty::Adt(adt_def, _) if adt_def.repr().transparent() && may_unfold(*adt_def) => {
                // Find the non-1-ZST field, and recurse.