Function rustc_query_system::query::plumbing::cycle_error

fn cycle_error<Q, Qcx>(
    query: Q,
    qcx: Qcx,
    try_execute: QueryJobId,
    span: Span
) -> (Q::Value, Option<DepNodeIndex>)where
    Q: QueryConfig<Qcx>,
    Qcx: QueryContext,