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int main(int argc, char** argv) {
  Object object; // might not get destroyed if exception thrown
  // do useful work
  return 0;
}

int main(int argc, char** argv) {
  Object object;
  int exit_status = EXIT_SUCCESS;

  try {
    // do useful work
  } catch (...) {
    exit_status = EXIT_FAILURE;
  }

  return exit_status; // object gets destroyed here
}

int main(int argc, char** argv) {
  try {
    Object object;
    // do useful work
    return 0; // object gets destroyed here
  } catch (...) {
    exit(EXIT_FAILURE);  
  }
}

using namespace std;
class exception1 : public exception {};
class exception2 : public exception {};

void f(void) throw( exception1) {
  // ...
  throw (exception2());
}

int main() {
  try {
    f();
    return 0;
  } catch (...) {
    cerr << "F called" << endl;
  }
  return EXIT_FAILURE;
}

using namespace std;
class exception1 : public exception {};
class exception2 : public exception {};

void f(void) throw( exception1) {
  // ...
  throw (exception1());
}

int main() {
  try {
    f();
    return 0;
  } catch (...) {
    cerr << "F called" << endl;
  }
  return EXIT_FAILURE;
}