665   PetscBool   eq;  in DMLabelCompare()  local
681     eq = (PetscBool)(v0 == v1);  in DMLabelCompare()
682 …if (!eq) PetscCall(PetscSNPrintf(msg, sizeof(msg), "Default value of DMLabel l0 \"%s\" = %" PetscI…  in DMLabelCompare()
683     PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &eq, 1, MPI_C_BOOL, MPI_LAND, comm));  in DMLabelCompare()
684     if (!eq) goto finish;  in DMLabelCompare()
691     PetscCall(ISEqual(is0, is1, &eq));  in DMLabelCompare()
694 …if (!eq) PetscCall(PetscSNPrintf(msg, sizeof(msg), "Stratum values in DMLabel l0 \"%s\" are differ…  in DMLabelCompare()
695     PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &eq, 1, MPI_C_BOOL, MPI_LAND, comm));  in DMLabelCompare()
696     if (!eq) goto finish;  in DMLabelCompare()
711       PetscCall(ISEqualUnsorted(is0, is1, &eq));  in DMLabelCompare()
714       if (!eq) {  in DMLabelCompare()
719     PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &eq, 1, MPI_C_BOOL, MPI_LAND, comm));  in DMLabelCompare()
731   if (equal) *equal = eq;  in DMLabelCompare()
732 …else PetscCheck(eq, comm, PETSC_ERR_ARG_INCOMP, "DMLabels l0 \"%s\" and l1 \"%s\" are not equal", …  in DMLabelCompare()