{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"self.dcx().emit_err(errors::RustcDirtyClean"}]}
            self.dcx().emit_err(errors::RustcDirtyClean { span: attr.span() });
        if !self.tcx.sess.opts.unstable_opts.query_dep_graph {
        }