! { dg-options "-O -ftree-pre -fgraphite-identity -fno-tree-copy-prop" } subroutine foo (ldmx,ldmy,v) integer :: ldmx, ldmy, v, l, m dimension v(5,ldmx,ldmy) do m = 5, 1, -1 do l = m+1, 5 v(m,3,2) = v(1,3,2) end do v(m,3,2) = m end do end