{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"ecx.sess.dcx().emit_err(errors::AutoDiffSupportNotBuild"}]}
            ecx.sess.dcx().emit_err(errors::AutoDiffSupportNotBuild { span: meta_item.span });
        if cfg!(not(llvm_enzyme)) {
            return vec![item];