invalid-ref.cpp

void printI(int &i) {
  std::cout << "s" << i << std::endl; // Use of deallocated memory crash or maybe just garbage.
}

int main(int argc, const char * argv[]) {
  int *i = new int();
  // Pretend this was deleted by mistake in a non-obvious way.
  delete i;
  
  printI(*i);
  return 0;
}