Ticket #3472: value_init.patch

value_init.hpp

@@ -36 +36 @@
   private :
     struct wrapper
     {
+    
+    wrapper() { }
+    wrapper(T const & o) : data(o) { }
+    
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592))
       typename
 #endif 
@@ -78 +82 @@
       new (wrapper_address()) wrapper( static_cast<wrapper const &>(*(arg.wrapper_address())));
     }
 
+    explicit value_initialized(T const & arg)
+    {
+      new (wrapper_address()) wrapper(arg);
+    }
+
     value_initialized & operator=(value_initialized const & arg)
     {
       // Assignment is only allowed when T is non-const.