1! { dg-do compile }
2! { dg-options "-O2 -ftree-vectorize" }
3!
4! Testcase for vectorization (see PR33449).
5!
6subroutine dlarre (w, iblock, work)
7  integer m, i, iblock(*)
8  double precision w(*), work(*)
9
10  m = 0
11  do jblk = 1, 10
12    do i = 1, 10
13      m = m + 1
14      w(m) = -work(i)
15      iblock(m) = 0
16    end do
17  end do
18end
19