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/* PR tree-optimization/18694

   The dominator optimization didn't take the PHI evaluation order

   into account when threading an edge.  */

extern void abort (void) __attribute__((noreturn));

extern void exit (int) __attribute__((noreturn));

void __attribute__((noinline))

foo (int i)

{

  int next_n = 1;

  int j = 0;

  for (; i != 0; i--)

    {

      int n;

      for (n = next_n; j < n; j++)

        next_n++;

      if (j != n)

        abort ();

    }

}

int

main (void)

{

  foo (2);

  exit (0);

}