From: Jonathan Wakely Date: Tue, 16 Jun 2015 21:04:53 +0000 (+0100) Subject: list.tcc (list::operator=(const list&), [...]): Use __addressof instead of operator&. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=200fcd339802e67a444ba78dd941eebe8fd8e1f5;p=gcc.git list.tcc (list::operator=(const list&), [...]): Use __addressof instead of operator&. * include/bits/list.tcc (list::operator=(const list&), list::merge): Use __addressof instead of operator&. (list::sort): Use array-to-pointer decay instead of operator&. * include/bits/stl_list.h (list::splice): Use __addressof instead of operator&. * include/debug/formatter.h (_Error_formatter::_Parameter::_Parameter): Likewise. * include/debug/functions.h (__check_singular): Likewise. * include/debug/list (list::splice, list::merge): Likewise. * testsuite/23_containers/list/modifiers/addressof.cc: New. From-SVN: r224539 --- diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 8c9ed9a45b9..e6ed6ab1689 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,5 +1,16 @@ 2015-06-16 Jonathan Wakely + * include/bits/list.tcc (list::operator=(const list&), list::merge): + Use __addressof instead of operator&. + (list::sort): Use array-to-pointer decay instead of operator&. + * include/bits/stl_list.h (list::splice): Use __addressof instead of + operator&. + * include/debug/formatter.h (_Error_formatter::_Parameter::_Parameter): + Likewise. + * include/debug/functions.h (__check_singular): Likewise. + * include/debug/list (list::splice, list::merge): Likewise. + * testsuite/23_containers/list/modifiers/addressof.cc: New. + PR libstdc++/65393 * src/c++11/thread.cc (thread::_M_make_thread): Replace shared_ptr copies with moves. diff --git a/libstdc++-v3/include/bits/list.tcc b/libstdc++-v3/include/bits/list.tcc index c5d2ab4e9d1..95193c19a24 100644 --- a/libstdc++-v3/include/bits/list.tcc +++ b/libstdc++-v3/include/bits/list.tcc @@ -265,7 +265,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER list<_Tp, _Alloc>:: operator=(const list& __x) { - if (this != &__x) + if (this != std::__addressof(__x)) { iterator __first1 = begin(); iterator __last1 = end(); @@ -373,7 +373,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 300. list::merge() specification incomplete - if (this != &__x) + if (this != std::__addressof(__x)) { _M_check_equal_allocators(__x); @@ -410,7 +410,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 300. list::merge() specification incomplete - if (this != &__x) + if (this != std::__addressof(__x)) { _M_check_equal_allocators(__x); @@ -446,14 +446,14 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER { list __carry; list __tmp[64]; - list * __fill = &__tmp[0]; + list * __fill = __tmp; list * __counter; do { __carry.splice(__carry.begin(), *this, begin()); - for(__counter = &__tmp[0]; + for(__counter = __tmp; __counter != __fill && !__counter->empty(); ++__counter) { @@ -466,7 +466,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER } while ( !empty() ); - for (__counter = &__tmp[1]; __counter != __fill; ++__counter) + for (__counter = __tmp + 1; __counter != __fill; ++__counter) __counter->merge(*(__counter - 1)); swap( *(__fill - 1) ); } @@ -523,14 +523,14 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER { list __carry; list __tmp[64]; - list * __fill = &__tmp[0]; + list * __fill = __tmp; list * __counter; do { __carry.splice(__carry.begin(), *this, begin()); - for(__counter = &__tmp[0]; + for(__counter = __tmp; __counter != __fill && !__counter->empty(); ++__counter) { @@ -543,7 +543,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER } while ( !empty() ); - for (__counter = &__tmp[1]; __counter != __fill; ++__counter) + for (__counter = __tmp + 1; __counter != __fill; ++__counter) __counter->merge(*(__counter - 1), __comp); swap(*(__fill - 1)); } diff --git a/libstdc++-v3/include/bits/stl_list.h b/libstdc++-v3/include/bits/stl_list.h index a26859ec7fa..a498de5d3a6 100644 --- a/libstdc++-v3/include/bits/stl_list.h +++ b/libstdc++-v3/include/bits/stl_list.h @@ -1438,7 +1438,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11 if (__position == __i || __position == __j) return; - if (this != &__x) + if (this != std::__addressof(__x)) _M_check_equal_allocators(__x); this->_M_transfer(__position._M_const_cast(), @@ -1501,7 +1501,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11 { if (__first != __last) { - if (this != &__x) + if (this != std::__addressof(__x)) _M_check_equal_allocators(__x); size_t __n = this->_M_distance(__first._M_node, __last._M_node); diff --git a/libstdc++-v3/include/debug/formatter.h b/libstdc++-v3/include/debug/formatter.h index 378683921f7..56ee8078681 100644 --- a/libstdc++-v3/include/debug/formatter.h +++ b/libstdc++-v3/include/debug/formatter.h @@ -241,7 +241,7 @@ namespace __gnu_debug : _M_kind(__iterator), _M_variant() { _M_variant._M_iterator._M_name = __name; - _M_variant._M_iterator._M_address = &__it; + _M_variant._M_iterator._M_address = std::__addressof(__it); _M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it); _M_variant._M_iterator._M_constness = std::__are_same<_Safe_iterator<_Iterator, _Sequence>, @@ -271,7 +271,7 @@ namespace __gnu_debug : _M_kind(__iterator), _M_variant() { _M_variant._M_iterator._M_name = __name; - _M_variant._M_iterator._M_address = &__it; + _M_variant._M_iterator._M_address = std::__addressof(__it); _M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it); _M_variant._M_iterator._M_constness = std::__are_same<_Safe_local_iterator<_Iterator, _Sequence>, @@ -298,7 +298,7 @@ namespace __gnu_debug : _M_kind(__iterator), _M_variant() { _M_variant._M_iterator._M_name = __name; - _M_variant._M_iterator._M_address = &__it; + _M_variant._M_iterator._M_address = std::__addressof(__it); _M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it); _M_variant._M_iterator._M_constness = __const_iterator; _M_variant._M_iterator._M_state = __it ? __unknown_state : __singular; @@ -311,7 +311,7 @@ namespace __gnu_debug : _M_kind(__iterator), _M_variant() { _M_variant._M_iterator._M_name = __name; - _M_variant._M_iterator._M_address = &__it; + _M_variant._M_iterator._M_address = std::__addressof(__it); _M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it); _M_variant._M_iterator._M_constness = __mutable_iterator; _M_variant._M_iterator._M_state = __it ? __unknown_state : __singular; @@ -324,7 +324,7 @@ namespace __gnu_debug : _M_kind(__iterator), _M_variant() { _M_variant._M_iterator._M_name = __name; - _M_variant._M_iterator._M_address = &__it; + _M_variant._M_iterator._M_address = std::__addressof(__it); _M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it); _M_variant._M_iterator._M_constness = __unknown_constness; _M_variant._M_iterator._M_state = @@ -340,7 +340,7 @@ namespace __gnu_debug { _M_variant._M_sequence._M_name = __name; _M_variant._M_sequence._M_address = - static_cast(&__seq); + static_cast(std::__addressof(__seq)); _M_variant._M_sequence._M_type = _GLIBCXX_TYPEID(_Sequence); } @@ -349,7 +349,7 @@ namespace __gnu_debug : _M_kind(__sequence), _M_variant() { _M_variant._M_sequence._M_name = __name; - _M_variant._M_sequence._M_address = &__seq; + _M_variant._M_sequence._M_address = std::__addressof(__seq); _M_variant._M_sequence._M_type = _GLIBCXX_TYPEID(_Sequence); } diff --git a/libstdc++-v3/include/debug/functions.h b/libstdc++-v3/include/debug/functions.h index 4a245dd9ed2..bf60ccc23c6 100644 --- a/libstdc++-v3/include/debug/functions.h +++ b/libstdc++-v3/include/debug/functions.h @@ -64,7 +64,7 @@ namespace __gnu_debug template inline bool __check_singular(const _Iterator& __x) - { return __check_singular_aux(&__x); } + { return __check_singular_aux(std::__addressof(__x)); } /** Non-NULL pointers are nonsingular. */ template diff --git a/libstdc++-v3/include/debug/list b/libstdc++-v3/include/debug/list index 41ed7f5ff21..9f4c9c0a974 100644 --- a/libstdc++-v3/include/debug/list +++ b/libstdc++-v3/include/debug/list @@ -524,7 +524,7 @@ namespace __debug splice(iterator __position, list& __x) #endif { - _GLIBCXX_DEBUG_VERIFY(&__x != this, + _GLIBCXX_DEBUG_VERIFY(std::__addressof(__x) != this, _M_message(__gnu_debug::__msg_self_splice) ._M_sequence(*this, "this")); this->_M_transfer_from_if(__x, _Not_equal(__x._M_base().end())); @@ -552,7 +552,7 @@ namespace __debug _GLIBCXX_DEBUG_VERIFY(__i._M_dereferenceable(), _M_message(__gnu_debug::__msg_splice_bad) ._M_iterator(__i, "__i")); - _GLIBCXX_DEBUG_VERIFY(__i._M_attached_to(&__x), + _GLIBCXX_DEBUG_VERIFY(__i._M_attached_to(std::__addressof(__x)), _M_message(__gnu_debug::__msg_splice_other) ._M_iterator(__i, "__i")._M_sequence(__x, "__x")); @@ -580,7 +580,7 @@ namespace __debug { __glibcxx_check_insert(__position); __glibcxx_check_valid_range(__first, __last); - _GLIBCXX_DEBUG_VERIFY(__first._M_attached_to(&__x), + _GLIBCXX_DEBUG_VERIFY(__first._M_attached_to(std::__addressof(__x)), _M_message(__gnu_debug::__msg_splice_other) ._M_sequence(__x, "x") ._M_iterator(__first, "first")); @@ -595,7 +595,8 @@ namespace __debug _M_message(__gnu_debug::__msg_valid_range) ._M_iterator(__first, "first") ._M_iterator(__last, "last")); - _GLIBCXX_DEBUG_VERIFY(&__x != this || __tmp != __position.base(), + _GLIBCXX_DEBUG_VERIFY(std::__addressof(__x) != this + || __tmp != __position.base(), _M_message(__gnu_debug::__msg_splice_overlap) ._M_iterator(__tmp, "position") ._M_iterator(__first, "first") @@ -685,7 +686,7 @@ namespace __debug { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 300. list::merge() specification incomplete - if (this != &__x) + if (this != std::__addressof(__x)) { __glibcxx_check_sorted(_Base::begin(), _Base::end()); __glibcxx_check_sorted(__x.begin().base(), __x.end().base()); @@ -710,7 +711,7 @@ namespace __debug { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 300. list::merge() specification incomplete - if (this != &__x) + if (this != std::__addressof(__x)) { __glibcxx_check_sorted_pred(_Base::begin(), _Base::end(), __comp); diff --git a/libstdc++-v3/testsuite/23_containers/list/modifiers/addressof.cc b/libstdc++-v3/testsuite/23_containers/list/modifiers/addressof.cc new file mode 100644 index 00000000000..b4429ddd2e4 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/list/modifiers/addressof.cc @@ -0,0 +1,32 @@ +// Copyright (C) 2015 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 +// . + +// { dg-options "-std=gnu++11" } +// { dg-do compile } + +#include + +namespace N +{ + // This operator& must not be found by ADL. + template void operator&(const T&) { } + struct X { }; + bool operator==(const X&, const X&); + bool operator<(const X&, const X&); +} + +template class std::list;