969             PetscCDIntNd *pos, *last = NULL;  in fixAggregatesWithSquare()  local
978                 PetscCheck(last, PETSC_COMM_SELF, PETSC_ERR_PLIB, "last cannot be null");  in fixAggregatesWithSquare()
979                 PetscCall(PetscCDRemoveNextNode(aggs_2, slid, last));  in fixAggregatesWithSquare()
983               } else last = pos;  in fixAggregatesWithSquare()
1013               PetscCDIntNd *pos, *last        = NULL;  in fixAggregatesWithSquare()  local
1023                   PetscCheck(last, PETSC_COMM_SELF, PETSC_ERR_PLIB, "last cannot be null");  in fixAggregatesWithSquare()
1024                   PetscCall(PetscCDRemoveNextNode(aggs_2, oldslidj, last));  in fixAggregatesWithSquare()
1028                 } else last = pos;  in fixAggregatesWithSquare()
1098         PetscCDIntNd *pos, *last = NULL;  in fixAggregatesWithSquare()  local
1111               PetscCall(PetscCDRemoveNextNode(aggs_2, lid, last));  in fixAggregatesWithSquare()
1112             } else last = pos;  in fixAggregatesWithSquare()
1113           } else last = pos;  in fixAggregatesWithSquare()