A simple one. PR libstdc++/48541 * include/std/functional (_Base_manager::_M_get_pointer): Use addressof. * testsuite/20_util/function/48541.cc: New.
Tested x86_64-linux, committed to trunk and the 4.6 branch.
Index: include/std/functional =================================================================== --- include/std/functional (revision 172239) +++ include/std/functional (working copy) @@ -1586,7 +1586,7 @@ _GLIBCXX_HAS_NESTED_TYPE(result_type) _M_get_pointer(const _Any_data& __source) { const _Functor* __ptr = - __stored_locally? &__source._M_access<_Functor>() + __stored_locally? std::__addressof(__source._M_access<_Functor>()) /* have stored a pointer */ : __source._M_access<_Functor*>(); return const_cast<_Functor*>(__ptr); } Index: testsuite/20_util/function/48451.cc =================================================================== --- testsuite/20_util/function/48451.cc (revision 0) +++ testsuite/20_util/function/48451.cc (revision 0) @@ -0,0 +1,40 @@ +// { dg-options "-std=gnu++0x" } +// { dg-do compile } +// Copyright (C) 2011 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +// libstdc++/48451 + +#include <functional> + +struct X { + void operator () () const { } + float operator & () const { return 1.2345; } +}; + +void test01() +{ + X x; + std::function<void()> f(x); + f(); +} + +int main() +{ + test01(); + return 0; +}