478,481d477
< #elif BOOST_WORKAROUND(BOOST_MSVC, <=1600)
<     // VC have a memory leak, when calling class is destructed by explicit qualified destructor call
<     // See http://www.beta.microsoft.com/VisualStudio/feedback/details/672426/missing-of-destructor-call-of-virtual-base-class
<     void destroy_impl ( is_not_reference_tag ) { get_ptr_impl()->~T() ; m_initialized = false ; }