! { dg-options "-O2 -fgraphite-identity" } subroutine foo (ldmx,ldmy,nx,ny,v) implicit real*8 (a-h, o-z) dimension v(5,ldmx,ldmy,*) dimension tmat(5,5) k = 2 do j = 2, ny-1 do i = 2, nx-1 do ip = 1, 4 do m = ip+1, 5 v(m,i,j,k) = v(m,i,j,k) * m end do end do do m = 5, 1, -1 do l = m+1, 5 v(m,i,j,k) = v(l,i,j,k) end do v(m,i,j,k) = m end do end do end do return end