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diff --git a/3rdParty/Boost/src/boost/variant/detail/forced_return.hpp b/3rdParty/Boost/src/boost/variant/detail/forced_return.hpp
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+++ b/3rdParty/Boost/src/boost/variant/detail/forced_return.hpp
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+//-----------------------------------------------------------------------------
+// boost variant/detail/forced_return.hpp header file
+// See http://www.boost.org for updates, documentation, and revision history.
+//-----------------------------------------------------------------------------
+//
+// Copyright (c) 2003
+// Eric Friedman
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_VARIANT_DETAIL_FORCED_RETURN_HPP
+#define BOOST_VARIANT_DETAIL_FORCED_RETURN_HPP
+
+#include "boost/config.hpp"
+#include "boost/variant/detail/generic_result_type.hpp"
+#include "boost/assert.hpp"
+
+#if !defined(BOOST_MSVC) && !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+#   include "boost/type_traits/remove_reference.hpp"
+#endif
+
+namespace boost {
+namespace detail { namespace variant {
+
+///////////////////////////////////////////////////////////////////////////////
+// (detail) function template forced_return
+//
+// Logical error to permit invocation at runtime, but (artificially) satisfies
+// compile-time requirement of returning a result value.
+//
+
+#if !defined(BOOST_MSVC)                                \
+ && !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)  \
+ && !defined(BOOST_NO_VOID_RETURNS)
+
+// "standard" implementation:
+
+template <typename T>
+inline T forced_return( BOOST_EXPLICIT_TEMPLATE_TYPE(T) )
+{
+    // logical error: should never be here! (see above)
+    BOOST_ASSERT(false);
+
+    typedef typename boost::remove_reference<T>::type basic_type;
+    basic_type* dummy = 0;
+    return *static_cast< basic_type* >(dummy);
+}
+
+template <>
+inline void forced_return<void>( BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(void) )
+{
+    // logical error: should never be here! (see above)
+    BOOST_ASSERT(false);
+}
+
+#elif !defined(BOOST_MSVC)
+
+// workaround implementation
+//
+// TODO: Determine the most efficient way to handle this -- as below? by
+// throwing? by recursive call to forced_return itself? etc.
+//
+
+template <typename T>
+inline
+    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(T)
+forced_return( BOOST_EXPLICIT_TEMPLATE_TYPE(T) )
+{
+    // logical error: should never be here! (see above)
+    BOOST_ASSERT(false);
+
+    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(T) (*dummy)() = 0;
+    return dummy();
+}
+
+#else // defined(BOOST_MSVC)
+
+// msvc-specific implementation
+//
+// Leverages __declspec(noreturn) for optimized implementation.
+//
+
+__declspec(noreturn)
+inline void forced_return_no_return() {};
+
+template <typename T>
+inline
+    BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(T)
+forced_return( BOOST_EXPLICIT_TEMPLATE_TYPE(T) )
+{
+    // logical error: should never be here! (see above)
+    BOOST_ASSERT(false);
+
+    forced_return_no_return();
+}
+
+#endif // BOOST_MSVC optimization
+
+}} // namespace detail::variant
+} // namespace boost
+
+#endif // BOOST_VARIANT_DETAIL_FORCED_RETURN_HPP