1extern void abort ();
2
3void __attribute__((noinline))
4bar (unsigned long long i)
5{
6  if (i)
7    abort ();
8}
9
10static void __attribute__((always_inline))
11foo (unsigned long long *r)
12{
13  int i;
14
15  for (i = 0; ; i++)
16    if (*r & ((unsigned long long)1 << (63 - i)))
17      break;
18
19  bar (i);
20}
21
22void __attribute__((noinline))
23do_test (unsigned long long *r)
24{
25  int i;
26
27  for (i = 0; i < 2; ++i)
28    foo (r);
29}
30
31int main()
32{
33  unsigned long long r = 0x8000000000000001ull;
34
35  do_test (&r);
36  return 0;
37}
38