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