fix bug with defaulted move in msvc 12.0

test/Jamfile.v2

@@ -67,12 +67,14 @@ import testing ;
     [ compile-fail optional_test_fail_none_io_without_io.cpp ]
     [ compile-fail optional_test_fail_convert_assign_of_enums.cpp ]
     [ run optional_test_static_properties.cpp ]
+    [ compile optional_test_maybe_uninitialized_warning.cpp ]
+    [ compile optional_test_deleted_default_ctor.cpp ]
     [ run optional_xconfig_NO_PROPER_ASSIGN_FROM_CONST_INT_pass.cpp ]
     [ run-fail optional_xconfig_NO_PROPER_ASSIGN_FROM_CONST_INT_fail.cpp ]
     [ run optional_xconfig_NO_PROPER_CONVERT_FROM_CONST_INT_pass.cpp ]
     [ run-fail optional_xconfig_NO_PROPER_CONVERT_FROM_CONST_INT_fail.cpp ]
     [ run optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_pass.cpp ]
     [ compile-fail optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_fail.cpp ]
-    [ compile optional_test_deleted_default_ctor.cpp ]
+
   ;
 }

test/optional_test_io.cpp

@@ -21,7 +21,6 @@
 #include "boost/core/lightweight_test.hpp"
 
 using boost::optional;
-using boost::make_optional;
 
 template<class Opt>
 void test2( Opt o, Opt buff )
@@ -42,10 +41,10 @@ void test2( Opt o, Opt buff )
 template<class T>
 void test( T v, T w )
 {
-  test2( make_optional(v), optional<T>  ());
-  test2( make_optional(v), make_optional(w));
+  test2( boost::make_optional(v), optional<T>  ());
+  test2( boost::make_optional(v), boost::make_optional(w));
   test2( optional<T>  () , optional<T>  ());
-  test2( optional<T>  () , make_optional(w));
+  test2( optional<T>  () , boost::make_optional(w));
 }
 
 

test/optional_test_maybe_uninitialized_warning.cpp

@@ -0,0 +1,32 @@
+// Copyright (C) 2017 Andrzej Krzemienski.
+//
+// Use, modification, and distribution is subject to 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)
+//
+// See http://www.boost.org/lib/optional for documentation.
+//
+// You are welcome to contact the author at:
+//  akrzemi1@gmail.com
+
+#include "boost/optional/optional.hpp"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+boost::optional<int> getitem();
+
+int main(int argc, const char *[])
+{
+  boost::optional<int> a = getitem();
+  boost::optional<int> b;
+
+  if (argc > 0)
+    b = argc;
+
+  if (a != b)
+    return 1;
+
+  return 0;
+}

test/optional_test_static_properties.cpp

@@ -137,4 +137,4 @@ int main()
   test_trivial_copyability();
 #endif
   return boost::report_errors();
-}
+}