k, <span class="strike"><span class="old">stream</span></span><span class="new">queues</span>[1] );
            if (i > 0) {
                /* Apply H' to A(i:m,i+2*ib:n) from the left */
                cols = n - old_i - 2*old_ib;
                magma_zlarfb_gpu( MagmaLeft, MagmaConjTrans, MagmaForward, MagmaColumnwise,
                                  m-old_i, cols, old_ib,
                                  dA(old_i, old_i         ), ldda, dT(old_i), nb,
                                  dA(old_i, old