PR libstdc++/55320 * include/std/functional (function::function(F)): Set _M_manager after operations that could throw. (_Function_base::_Ref_manager::_M_init_functor): Use addressof. * include/tr1/functional (_Function_base::_Ref_manager::_M_init_functor): Use addressof. (_Function_base::_Base_manager::_M_get_pointer): Likewise. * testsuite/20_util/function/cons/55320.cc: New. * testsuite/20_util/function/cons/addressof.cc: New. * testsuite/20_util/function/cons/callable.cc: Remove header. * testsuite/20_util/bind/ref_neg.cc: Adjust dg-error line numbers. * testsuite/tr1/3_function_objects/function/10.cc: New.
Tested x86-64_linux, committed to trunk, 4.7 to follow.
commit d002bbfd0a4d46da09e13e9700e329dccc14d3d5 Author: Jonathan Wakely <jwakely....@gmail.com> Date: Wed Nov 14 22:46:45 2012 +0000 PR libstdc++/55320 * include/std/functional (function::function(F)): Set _M_manager after operations that could throw. (_Function_base::_Ref_manager::_M_init_functor): Use addressof. * include/tr1/functional (_Function_base::_Ref_manager::_M_init_functor): Use addressof. (_Function_base::_Base_manager::_M_get_pointer): Likewise. * testsuite/20_util/function/cons/55320.cc: New. * testsuite/20_util/function/cons/addressof.cc: New. * testsuite/20_util/function/cons/callable.cc: Remove header. * testsuite/20_util/bind/ref_neg.cc: Adjust dg-error line numbers. * testsuite/tr1/3_function_objects/function/10.cc: New. diff --git a/libstdc++-v3/include/std/functional b/libstdc++-v3/include/std/functional index 4dbf4d5..561359c 100644 --- a/libstdc++-v3/include/std/functional +++ b/libstdc++-v3/include/std/functional @@ -1,7 +1,6 @@ // <functional> -*- C++ -*- -// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, -// 2011, 2012 Free Software Foundation, Inc. +// Copyright (C) 2001-2012 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 @@ -1882,8 +1881,7 @@ _GLIBCXX_HAS_NESTED_TYPE(result_type) static void _M_init_functor(_Any_data& __functor, reference_wrapper<_Functor> __f) { - // TBD: Use address_of function instead. - _Base::_M_init_functor(__functor, &__f.get()); + _Base::_M_init_functor(__functor, std::__addressof(__f.get())); } }; @@ -2317,9 +2315,9 @@ _GLIBCXX_HAS_NESTED_TYPE(result_type) if (_My_handler::_M_not_empty_function(__f)) { + _My_handler::_M_init_functor(_M_functor, std::move(__f)); _M_invoker = &_My_handler::_M_invoke; _M_manager = &_My_handler::_M_manager; - _My_handler::_M_init_functor(_M_functor, std::move(__f)); } } diff --git a/libstdc++-v3/include/tr1/functional b/libstdc++-v3/include/tr1/functional index 88a8149..61d6455 100644 --- a/libstdc++-v3/include/tr1/functional +++ b/libstdc++-v3/include/tr1/functional @@ -1615,7 +1615,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION _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); } @@ -1744,8 +1744,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION static void _M_init_functor(_Any_data& __functor, reference_wrapper<_Functor> __f) { - // TBD: Use address_of function instead. - _Base::_M_init_functor(__functor, &__f.get()); + _Base::_M_init_functor(__functor, std::__addressof(__f.get())); } }; diff --git a/libstdc++-v3/testsuite/20_util/bind/ref_neg.cc b/libstdc++-v3/testsuite/20_util/bind/ref_neg.cc index 4534d1d..f5b5a01 100644 --- a/libstdc++-v3/testsuite/20_util/bind/ref_neg.cc +++ b/libstdc++-v3/testsuite/20_util/bind/ref_neg.cc @@ -1,4 +1,4 @@ -// Copyright (C) 2010, 2011 Free Software Foundation, Inc. +// Copyright (C) 2010-2012 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 @@ -15,7 +15,7 @@ // with this library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. -// 20.7.11 Function template bind +// 20.8.9 Function template bind // { dg-do compile } // { dg-options "-std=gnu++0x" } @@ -30,10 +30,10 @@ void test01() { const int dummy = 0; std::bind(&inc, _1)(0); // { dg-error "no match" } - // { dg-error "rvalue|const" "" { target *-*-* } 1207 } - // { dg-error "rvalue|const" "" { target *-*-* } 1221 } - // { dg-error "rvalue|const" "" { target *-*-* } 1235 } - // { dg-error "rvalue|const" "" { target *-*-* } 1249 } + // { dg-error "rvalue|const" "" { target *-*-* } 1206 } + // { dg-error "rvalue|const" "" { target *-*-* } 1220 } + // { dg-error "rvalue|const" "" { target *-*-* } 1234 } + // { dg-error "rvalue|const" "" { target *-*-* } 1248 } std::bind(&inc, std::ref(dummy))(); // { dg-error "no match" } } diff --git a/libstdc++-v3/testsuite/20_util/function/cons/55320.cc b/libstdc++-v3/testsuite/20_util/function/cons/55320.cc new file mode 100644 index 0000000..611e8ac --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/function/cons/55320.cc @@ -0,0 +1,46 @@ +// Copyright (C) 2012 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++/55320 + +// { dg-options "-std=gnu++0x" } + +#include <functional> +#include <testsuite_hooks.h> + +struct X +{ + X() { ++count; } + X(const X&) { throw 1; } + ~X() { --count; } + void operator()() { } + static int count; +}; + +int X::count = 0; + +int main() +{ + try + { + std::function<void()> f = X(); + } + catch (int) + { + VERIFY( X::count == 0 ); + } +} diff --git a/libstdc++-v3/testsuite/20_util/function/cons/addressof.cc b/libstdc++-v3/testsuite/20_util/function/cons/addressof.cc new file mode 100644 index 0000000..25b6fb8 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/function/cons/addressof.cc @@ -0,0 +1,41 @@ +// Copyright (C) 2012 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/>. + +// { dg-options "-std=gnu++0x" } +// { dg-do compile } + +#include <functional> + +struct F +{ + void operator()() { } + void operator&() const { } +}; + +void test01() +{ + F f; + std::function<void()> f1 = f; + std::function<void()> f2 = std::ref(f); +} + +int main() +{ + test01(); + + return 0; +} diff --git a/libstdc++-v3/testsuite/20_util/function/cons/callable.cc b/libstdc++-v3/testsuite/20_util/function/cons/callable.cc index 209c404..9f16125 100644 --- a/libstdc++-v3/testsuite/20_util/function/cons/callable.cc +++ b/libstdc++-v3/testsuite/20_util/function/cons/callable.cc @@ -19,7 +19,6 @@ // <http://www.gnu.org/licenses/>. #include <functional> -#include <testsuite_hooks.h> void* f(std::function<void()>) { return nullptr; } int f(std::function<void(int)>) { return 1; } diff --git a/libstdc++-v3/testsuite/tr1/3_function_objects/function/10.cc b/libstdc++-v3/testsuite/tr1/3_function_objects/function/10.cc new file mode 100644 index 0000000..ca29e3c --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/3_function_objects/function/10.cc @@ -0,0 +1,41 @@ +// Copyright (C) 2012 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/>. + +// { dg-options "-std=gnu++0x" } +// { dg-do compile } + +#include <tr1/functional> + +struct F +{ + void operator()() { } + void operator&() const { } +}; + +void test01() +{ + F f; + std::tr1::function<void()> f1 = f; + std::tr1::function<void()> f2 = std::tr1::ref(f); +} + +int main() +{ + test01(); + + return 0; +}