1/* PR tree-optimization/23929 */
2
3extern void bar (char *);
4
5void
6foo (int n, char *z)
7{
8  char b[2048];
9  int x, y;
10
11  bar (b);
12  for (y = 0; y < 60; y++)
13    if (n == 600)
14      for (x = 0; x < 320;)
15	{
16	  *z++ = b[x];
17	  x += 1;
18	  *z++ = b[x];
19	  x += 1;
20	}
21}
22