fn instantiate_and_check_impossible_predicates<'tcx>(
tcx: TyCtxt<'tcx>,
key: (DefId, GenericArgsRef<'tcx>),
) -> boolfn instantiate_and_check_impossible_predicates<'tcx>(
tcx: TyCtxt<'tcx>,
key: (DefId, GenericArgsRef<'tcx>),
) -> bool