Workaround for bugs #10771 and #6720.

doc/intrusive.qbk

@@ -3765,6 +3765,8 @@ to be inserted in intrusive containers are allocated using `std::vector` or `std
 
 *  Reduced compile-time dependencies, headers, and the use of Boost.Preprocessor, specially for hooks and iterators.
 *  Fixed bugs:
+   *  [@https://svn.boost.org/trac/boost/ticket/6720  Boost Trac #6720: ['intrusive::unordered_set::clear_and_dispose does not compile on VC11 Beta when passed a stateless lambda]]
+   *  [@https://svn.boost.org/trac/boost/ticket/10771 Boost Trac #10771: ['remove_if is broken for slist]]
    *  [@https://svn.boost.org/trac/boost/ticket/10853 Boost Trac #10853: ['problem with detection of const_cast_from]]
 
 [endsect]

include/boost/intrusive/avltree_algorithms.hpp

@@ -35,7 +35,8 @@ namespace intrusive {
 
 template<class NodeTraits, class F>
 struct avltree_node_cloner
-   :  private detail::ebo_functor_holder<F>
+   //Use public inheritance to avoid MSVC bugs with closures
+   :  public detail::ebo_functor_holder<F>
 {
    typedef typename NodeTraits::node_ptr  node_ptr;
    typedef detail::ebo_functor_holder<F>  base_t;

include/boost/intrusive/bstree.hpp

@@ -243,6 +243,7 @@ struct get_compare<void, T>
 template<class ValueTraits, class VoidOrKeyComp, algo_types AlgoType, typename HeaderHolder>
 struct bstbase2
    //Put the (possibly empty) functor in the first position to get EBO in MSVC
+   //Use public inheritance to avoid MSVC bugs with closures
    : public detail::ebo_functor_holder<typename get_compare< VoidOrKeyComp
                             , typename ValueTraits::value_type
                             >::type>

include/boost/intrusive/detail/key_nodeptr_comp.hpp

@@ -26,7 +26,8 @@ namespace detail {
 
 template<class KeyValueCompare, class ValueTraits>
 struct key_nodeptr_comp
-   :  private ebo_functor_holder<KeyValueCompare>
+   //Use public inheritance to avoid MSVC bugs with closures
+   :  public ebo_functor_holder<KeyValueCompare>
 {
    typedef ValueTraits                             value_traits;
    typedef typename value_traits::value_type       value_type;

include/boost/intrusive/detail/node_cloner_disposer.hpp

@@ -28,7 +28,8 @@ namespace detail {
 
 template<class F, class ValueTraits, algo_types AlgoType>
 struct node_cloner
-   :  private ebo_functor_holder<F>
+   //Use public inheritance to avoid MSVC bugs with closures
+   :  public ebo_functor_holder<F>
 {
    typedef ValueTraits                             value_traits;
    typedef typename value_traits::node_traits      node_traits;
@@ -78,7 +79,8 @@ struct node_cloner
 
 template<class F, class ValueTraits, algo_types AlgoType>
 struct node_disposer
-   :  private ebo_functor_holder<F>
+   //Use public inheritance to avoid MSVC bugs with closures
+   :  public ebo_functor_holder<F>
 {
    typedef ValueTraits                          value_traits;
    typedef typename value_traits::node_traits   node_traits;

include/boost/intrusive/hashtable.hpp

@@ -555,7 +555,8 @@ struct downcast_node_to_value_t
 
 template<class F, class SlistNodePtr, class NodePtr>
 struct node_cast_adaptor
-   :  private detail::ebo_functor_holder<F>
+   //Use public inheritance to avoid MSVC bugs with closures
+   :  public detail::ebo_functor_holder<F>
 {
    typedef detail::ebo_functor_holder<F> base_t;
 
@@ -805,6 +806,7 @@ struct get_hash<void, T>
 //Stores bucket_plus_vtraits plust the hash function
 template<class VoidOrKeyHash, class ValueTraits, class BucketTraits>
 struct bucket_hash_t
+   //Use public inheritance to avoid MSVC bugs with closures
    : public detail::ebo_functor_holder
    <typename get_hash< VoidOrKeyHash
                       , typename bucket_plus_vtraits<ValueTraits,BucketTraits>::value_traits::value_type
@@ -857,6 +859,7 @@ struct get_equal_to<void, T>
 //non-empty bucket shall not be cached.
 template<class VoidOrKeyHash, class VoidOrKeyEqual, class ValueTraits, class BucketTraits, bool>
 struct bucket_hash_equal_t
+   //Use public inheritance to avoid MSVC bugs with closures
    : public detail::ebo_functor_holder //equal
    <typename get_equal_to< VoidOrKeyEqual
                          , typename bucket_plus_vtraits<ValueTraits,BucketTraits>::value_traits::value_type
@@ -934,6 +937,7 @@ struct bucket_hash_equal_t
 //non-empty bucket shall be cached.
 template<class VoidOrKeyHash, class VoidOrKeyEqual, class ValueTraits, class BucketTraits>  //cache_begin == true version
 struct bucket_hash_equal_t<VoidOrKeyHash, VoidOrKeyEqual, ValueTraits, BucketTraits, true>
+   //Use public inheritance to avoid MSVC bugs with closures
    : public detail::ebo_functor_holder //equal
                <typename get_equal_to< VoidOrKeyEqual
                          , typename bucket_plus_vtraits<ValueTraits,BucketTraits>::value_traits::value_type

include/boost/intrusive/pointer_traits.hpp

@@ -34,15 +34,15 @@ namespace intrusive {
 namespace detail {
 
 #if !defined(BOOST_MSVC) || (BOOST_MSVC > 1310)
-BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_member_function_callable_with_pointer_to, pointer_to);
+BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_member_function_callable_with_pointer_to, pointer_to)
-BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_member_function_callable_with_dynamic_cast_from, dynamic_cast_from);
+BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_member_function_callable_with_dynamic_cast_from, dynamic_cast_from)
-BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_member_function_callable_with_static_cast_from, static_cast_from);
+BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_member_function_callable_with_static_cast_from, static_cast_from)
-BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_member_function_callable_with_const_cast_from, const_cast_from);
+BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_member_function_callable_with_const_cast_from, const_cast_from)
 #else
-BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(has_member_function_callable_with_pointer_to, pointer_to);
+BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(has_member_function_callable_with_pointer_to, pointer_to)
-BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(has_member_function_callable_with_dynamic_cast_from, dynamic_cast_from);
+BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(has_member_function_callable_with_dynamic_cast_from, dynamic_cast_from)
-BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(has_member_function_callable_with_static_cast_from, static_cast_from);
+BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(has_member_function_callable_with_static_cast_from, static_cast_from)
-BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(has_member_function_callable_with_const_cast_from, const_cast_from);
+BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(has_member_function_callable_with_const_cast_from, const_cast_from)
 #endif
 
 BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(element_type)

include/boost/intrusive/rbtree_algorithms.hpp

@@ -44,7 +44,8 @@ namespace intrusive {
 
 template<class NodeTraits, class F>
 struct rbtree_node_cloner
-   :  private detail::ebo_functor_holder<F>
+   //Use public inheritance to avoid MSVC bugs with closures
+   :  public detail::ebo_functor_holder<F>
 {
    typedef typename NodeTraits::node_ptr  node_ptr;
    typedef detail::ebo_functor_holder<F>  base_t;

include/boost/intrusive/treap.hpp

@@ -80,6 +80,7 @@ template<class ValueTraits, class VoidOrKeyComp, class VoidOrPrioComp, class Siz
 class treap_impl
    /// @cond
    : public bstree_impl<ValueTraits, VoidOrKeyComp, SizeType, ConstantTimeSize, BsTreeAlgorithms, HeaderHolder>
+   //Use public inheritance to avoid MSVC bugs with closures
    , public detail::ebo_functor_holder
          < typename get_prio
             < VoidOrPrioComp