{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"throw_machine_stop_str!(\"illegal"}]}
                    throw_machine_stop_str!("illegal discriminant for enum")
                let Some((variant, _)) = def.discriminants(*ecx.tcx).find(|(_, var)| discr_bits == var.val) else {
                };