1/* PR rtl-optimization/28726 */
2/* Origin: Sigurd Schneider <sg313d@gmail.com> */
3
4/* { dg-do run } */
5/* { dg-options "-O2 -fsched2-use-superblocks" } */
6
7extern void abort (void);
8
9static double my_loop(void) __attribute__((noinline));
10
11static double my_loop(void)
12{
13  double retval = 0.0;
14  const unsigned char *start = "\005\b\000";
15  const unsigned char *const end = start + 2;
16
17  while (start < end)
18    retval += *start++;
19
20  return retval;
21}
22
23int main(void)
24{
25  if (my_loop() != 13.0)
26    abort ();
27
28  return 0;
29}
30