Ticket #9940: bi-list-bug.cpp

// compile with:
// g++ -std=c++11 -Wall -Wextra -pedantic -g3 -O0 -I${BOOST_INCLUDE}

#include <iostream>
#include <boost/intrusive/list.hpp>
#include <boost/intrusive/trivial_value_traits.hpp>

namespace bi = boost::intrusive;

struct A
{
   A(int val = 0)
       : val_(val), prev_(nullptr), next_(nullptr) {}
   ~A()
   {
       prev_ = nullptr; next_ = nullptr;
   }
   int val_;
   A* prev_;
   A* next_;
};

struct Node_Traits
{
   typedef A node;
   typedef A* node_ptr;
   typedef const A* const_node_ptr;
   static node *get_next(const node *n)            { return n->next_; }
   static void set_next(node *n, node *next)       { n->next_ = next; }
   static node *get_previous(const node *n)        { return n->prev_; }
   static void set_previous(node *n, node *prev)   { n->prev_ = prev; }
};

typedef bi::trivial_value_traits< Node_Traits, bi::safe_link > Value_Traits;
typedef bi::list< A, bi::value_traits< Value_Traits > > list_t;

int main()
{
   {
       list_t l;
       (void)l;
   }
   std::cout << "never reached\n";
}