1/* builtin_return_address(n) with n>0 has always been troublesome.  */
2
3/* { dg-do run } */
4/* { dg-options "-O3 -fno-optimize-sibling-calls -mbackchain" } */
5
6void *addr1;
7
8extern void abort (void);
9
10void * __attribute__((noinline))
11foo1 ()
12{
13  addr1 = __builtin_return_address (2);
14}
15
16void * __attribute__((noinline))
17foo2 ()
18{
19  foo1 ();
20}
21
22void * __attribute__((noinline))
23foo3 ()
24{
25  foo2 ();
26}
27
28void __attribute__((noinline))
29bar ()
30{
31  void *addr2;
32
33  foo3 ();
34  asm volatile ("basr  %0,0\n\t" : "=d" (addr2));
35  /* basr is two bytes in length.  */
36  if (addr2 - addr1 != 2)
37    abort ();
38}
39
40int
41main ()
42{
43  bar();
44  return 0;
45}
46