3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero

*** 2136,2146 ****
                  ASSERT(zio->io_child_type > ZIO_CHILD_GANG);
                  zio->io_gang_leader = zio;
          }
  
          ASSERT(BP_IS_HOLE(bp));
!         ASSERT3U(BP_GET_NDVAS(bp), ==, 0);
          ASSERT3U(zio->io_prop.zp_copies, >, 0);
          ASSERT3U(zio->io_prop.zp_copies, <=, spa_max_replication(spa));
          ASSERT3U(zio->io_size, ==, BP_GET_PSIZE(bp));
  
          /*
--- 2136,2146 ----
                  ASSERT(zio->io_child_type > ZIO_CHILD_GANG);
                  zio->io_gang_leader = zio;
          }
  
          ASSERT(BP_IS_HOLE(bp));
!         ASSERT0(BP_GET_NDVAS(bp));
          ASSERT3U(zio->io_prop.zp_copies, >, 0);
          ASSERT3U(zio->io_prop.zp_copies, <=, spa_max_replication(spa));
          ASSERT3U(zio->io_size, ==, BP_GET_PSIZE(bp));
  
          /*