Index: boost/scope_exit.hpp
===================================================================
--- boost/scope_exit.hpp        (revision 73900)
+++ boost/scope_exit.hpp        (working copy)
@@ -80,6 +80,7 @@
     T& value;
 #ifndef BOOST_SCOPE_EXIT_AUX_TPL_WORKAROUND
     member(T& ref) : value(ref) {}
+    void operator=(member);
 #endif
 };

@@ -89,6 +90,7 @@
     T value;
 #ifndef BOOST_SCOPE_EXIT_AUX_TPL_WORKAROUND
     member(T& val) : value(val) {}
+    void operator=(member);
 #endif
 };

@@ -220,6 +222,7 @@
     BOOST_PP_SEQ_FOR_EACH_I(BOOST_SCOPE_EXIT_AUX_TAG_DECL, id, seq)            \
     BOOST_PP_SEQ_FOR_EACH_I(BOOST_SCOPE_EXIT_AUX_CAPTURE_DECL, (id,ty), seq)   \
     struct BOOST_SCOPE_EXIT_AUX_PARAMS_T(id) {                                 \
+        void operator=(BOOST_SCOPE_EXIT_AUX_PARAMS_T(id));                     \
         BOOST_PP_SEQ_FOR_EACH_I(BOOST_SCOPE_EXIT_AUX_PARAM_DECL, (id,ty), seq) \
         BOOST_PP_SEQ_FOR_EACH_I(BOOST_SCOPE_EXIT_AUX_MEMBER, id, seq)          \
         BOOST_SCOPE_EXIT_AUX_PARAMS_T_CTOR(id, seq)                            \