Merge [51872], [51891] to release. Closes #2878.

[SVN r51907]

addressof_fn_test.cpp

@@ -0,0 +1,76 @@
+#include <boost/config.hpp>
+
+#if defined(BOOST_MSVC)
+#pragma warning(disable: 4786)  // identifier truncated in debug info
+#pragma warning(disable: 4710)  // function not inlined
+#pragma warning(disable: 4711)  // function selected for automatic inline expansion
+#pragma warning(disable: 4514)  // unreferenced inline removed
+#endif
+
+//  addressof_fn_test.cpp: addressof( f )
+//
+//  Copyright (c) 2008, 2009 Peter Dimov
+//
+//  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
+
+#include <boost/utility/addressof.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+
+void f0()
+{
+}
+
+void f1(int)
+{
+}
+
+void f2(int, int)
+{
+}
+
+void f3(int, int, int)
+{
+}
+
+void f4(int, int, int, int)
+{
+}
+
+void f5(int, int, int, int, int)
+{
+}
+
+void f6(int, int, int, int, int, int)
+{
+}
+
+void f7(int, int, int, int, int, int, int)
+{
+}
+
+void f8(int, int, int, int, int, int, int, int)
+{
+}
+
+void f9(int, int, int, int, int, int, int, int, int)
+{
+}
+
+int main()
+{
+    BOOST_TEST( boost::addressof( f0 ) == &f0 );
+    BOOST_TEST( boost::addressof( f1 ) == &f1 );
+    BOOST_TEST( boost::addressof( f2 ) == &f2 );
+    BOOST_TEST( boost::addressof( f3 ) == &f3 );
+    BOOST_TEST( boost::addressof( f4 ) == &f4 );
+    BOOST_TEST( boost::addressof( f5 ) == &f5 );
+    BOOST_TEST( boost::addressof( f6 ) == &f6 );
+    BOOST_TEST( boost::addressof( f7 ) == &f7 );
+    BOOST_TEST( boost::addressof( f8 ) == &f8 );
+    BOOST_TEST( boost::addressof( f9 ) == &f9 );
+
+    return boost::report_errors();
+}

addressof_test2.cpp

@@ -0,0 +1,95 @@
+// Copyright (C) 2002 Brad King (brad.king@kitware.com) 
+//                    Douglas Gregor (gregod@cs.rpi.edu)
+//
+// Copyright 2009 Peter Dimov
+//
+// 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)
+
+// For more information, see http://www.boost.org
+
+
+#include <boost/utility/addressof.hpp>
+
+#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
+#pragma warning(push, 3)
+#endif
+
+#include <iostream>
+
+#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
+#pragma warning(pop)
+#endif
+
+#include <boost/detail/lightweight_test.hpp>
+
+template<class T> void scalar_test( T * = 0 )
+{
+    T* px = new T();
+
+    T& x = *px;
+    BOOST_TEST( boost::addressof(x) == px );
+
+    const T& cx = *px;
+    const T* pcx = boost::addressof(cx);
+    BOOST_TEST( pcx == px );
+
+    volatile T& vx = *px;
+    volatile T* pvx = boost::addressof(vx);
+    BOOST_TEST( pvx == px );
+
+    const volatile T& cvx = *px;
+    const volatile T* pcvx = boost::addressof(cvx);
+    BOOST_TEST( pcvx == px );
+
+    delete px;
+}
+
+template<class T> void array_test( T * = 0 )
+{
+    T nrg[3] = {1,2,3};
+    T (*pnrg)[3] = &nrg;
+    BOOST_TEST( boost::addressof(nrg) == pnrg );
+
+    T const cnrg[3] = {1,2,3};
+    T const (*pcnrg)[3] = &cnrg;
+    BOOST_TEST( boost::addressof(cnrg) == pcnrg );
+}
+
+class convertible {
+public:
+
+    convertible( int = 0 )
+    {
+    }
+
+    template<class U> operator U () const
+    {
+        return U();
+    }
+};
+
+class convertible2 {
+public:
+
+    convertible2( int = 0 )
+    {
+    }
+
+    operator convertible2* () const
+    {
+        return 0;
+    }
+};
+
+int main()
+{
+    scalar_test<convertible>();
+    scalar_test<convertible2>();
+
+    array_test<convertible>();
+    array_test<convertible2>();
+
+    return boost::report_errors();
+}

include/boost/utility/addressof.hpp

@@ -21,6 +21,14 @@ namespace boost
 namespace detail
 {
 
+template<class T> struct addr_impl_ref
+{
+    T & v_;
+
+    inline addr_impl_ref( T & v ): v_( v ) {}
+    inline operator T& () const { return v_; }
+};
+
 template<class T> struct addressof_impl
 {
     static inline T * f( T & v, long )
@@ -39,7 +47,15 @@ template<class T> struct addressof_impl
 
 template<class T> T * addressof( T & v )
 {
+#if BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT( 0x610 ) )
+
     return boost::detail::addressof_impl<T>::f( v, 0 );
+
+#else
+
+    return boost::detail::addressof_impl<T>::f( boost::detail::addr_impl_ref<T>( v ), 0 );
+
+#endif
 }
 
 // Borland doesn't like casting an array reference to a char reference

test/Jamfile.v2

@@ -11,7 +11,9 @@ import testing ;
 # Please keep the tests ordered by filename
 test-suite utility
     :
+        [ run ../addressof_fn_test.cpp ]
         [ run ../addressof_test.cpp ]
+        [ run ../addressof_test2.cpp ]
         [ run ../assert_test.cpp ]
         [ run ../base_from_member_test.cpp ]
         [ run ../binary_search_test.cpp ]