Index: alignment_of.hpp
===================================================================
--- alignment_of.hpp	(revision 41790)
+++ alignment_of.hpp	(working copy)
@@ -18,6 +18,9 @@
 #ifdef BOOST_MSVC
 #   pragma warning(push)
 #   pragma warning(disable: 4121) // alignment is sensitive to packing
+#   if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
+#      pragma warning(disable: 4512) // assignment operator could not be generated
+#   endif
 #endif
 #if defined(__BORLANDC__) && (__BORLANDC__ < 0x600)
 #pragma option push -Vx- -Ve-