{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"//"}]}
    // `scc_placeholders[S]` (if any) cannot be stored into `scc_universes[S]`.
    // To detect errors, we look for an SCC S where the values in
    scc_universes: IndexVec<LeakCheckScc, SccUniverse<'tcx>>,