1 #include "shared.h"
2 
3 volatile int x;
4 
5 __attribute__((noinline))
tail_called_in_b_from_b()6 void tail_called_in_b_from_b() {
7   ++x; // break here
8 }
9 
tail_called_in_b_from_a()10 void tail_called_in_b_from_a() {
11   tail_called_in_b_from_b();
12 }
13