Rav1e: An experimental AV1 video encoder, designed to be fast and safe(github.com)

  #include <memory>
  
  int main() {
    std::unique_ptr<int> p = std::make_unique<int>(0);
  
    std::unique_ptr<int> q(std::move(p));
  
    return *p;
  }

    std::unique_ptr<int> foo(new int(10));
    
    void bar(int& x);
    
    int main() {
        bar(*foo);
        return 0;
    }
    
    void bar(int& x) {
        foo = std::unique_ptr<int>(new int(20));
        std::cout << x; // use after free
    }