{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"if"}]}
                if op_cnt_ty != self.tcx.types.usize {
                let op_cnt_ty = count.ty(&self.body.local_decls, self.tcx);
                    self.fail(location, format!("bad arg ({op_cnt_ty} != usize)"))