re PR libstdc++/46910 (std::shared_ptr requires public destructor for a class with friend deleter)

2010-12-14  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR libstdc++/46910
	* include/bits/shared_ptr_base.h (_Sp_counted_deleter): Do not
	derive from _Sp_counted_ptr.
	* testsuite/20_util/shared_ptr/cons/46910.cc: New.
	* testsuite/20_util/shared_ptr/cons/43820.cc: Adjust.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust.

From-SVN: r167819
This commit is contained in:
Jonathan Wakely 2010-12-14 22:13:26 +00:00 committed by Jonathan Wakely
parent 9ecfa8de88
commit 86137e8127
5 changed files with 65 additions and 12 deletions

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@ -1,3 +1,12 @@
2010-12-14 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/46910
* include/bits/shared_ptr_base.h (_Sp_counted_deleter): Do not
derive from _Sp_counted_ptr.
* testsuite/20_util/shared_ptr/cons/46910.cc: New.
* testsuite/20_util/shared_ptr/cons/43820.cc: Adjust.
* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust.
2010-12-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/abi/post/solaris2.8/baseline_symbols.txt: Regenerate.

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@ -318,7 +318,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
// Support for custom deleter and/or allocator
template<typename _Ptr, typename _Deleter, typename _Alloc, _Lock_policy _Lp>
class _Sp_counted_deleter : public _Sp_counted_ptr<_Ptr, _Lp>
class _Sp_counted_deleter : public _Sp_counted_base<_Lp>
{
typedef typename _Alloc::template
rebind<_Sp_counted_deleter>::other _My_alloc_type;
@ -334,21 +334,18 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
: _My_alloc_type(__a), _M_del(__d) { }
};
protected:
typedef _Sp_counted_ptr<_Ptr, _Lp> _Base_type;
public:
// __d(__p) must not throw.
_Sp_counted_deleter(_Ptr __p, _Deleter __d)
: _Base_type(__p), _M_del(__d, _Alloc()) { }
: _M_ptr(__p), _M_del(__d, _Alloc()) { }
// __d(__p) must not throw.
_Sp_counted_deleter(_Ptr __p, _Deleter __d, const _Alloc& __a)
: _Base_type(__p), _M_del(__d, __a) { }
: _M_ptr(__p), _M_del(__d, __a) { }
virtual void
_M_dispose() // nothrow
{ _M_del._M_del(_Base_type::_M_ptr); }
{ _M_del._M_del(_M_ptr); }
virtual void
_M_destroy() // nothrow
@ -369,6 +366,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
}
protected:
_Ptr _M_ptr; // copy constructor must not throw
_My_Deleter _M_del; // copy constructor must not throw
};
@ -397,7 +395,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
{
void* __p = &_M_storage;
::new (__p) _Tp(); // might throw
_Base_type::_Base_type::_M_ptr = static_cast<_Tp*>(__p);
_Base_type::_M_ptr = static_cast<_Tp*>(__p);
}
template<typename... _Args>
@ -407,7 +405,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
{
void* __p = &_M_storage;
::new (__p) _Tp(std::forward<_Args>(__args)...); // might throw
_Base_type::_Base_type::_M_ptr = static_cast<_Tp*>(__p);
_Base_type::_M_ptr = static_cast<_Tp*>(__p);
}
// Override because the allocator needs to know the dynamic type

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@ -32,9 +32,9 @@ void test01()
{
X* px = 0;
std::shared_ptr<X> p1(px); // { dg-error "here" }
// { dg-error "incomplete" "" { target *-*-* } 765 }
// { dg-error "incomplete" "" { target *-*-* } 763 }
std::shared_ptr<X> p9(ap()); // { dg-error "here" }
// { dg-error "incomplete" "" { target *-*-* } 857 }
// { dg-error "incomplete" "" { target *-*-* } 855 }
}

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@ -0,0 +1,46 @@
// { dg-options "-std=gnu++0x" }
// { dg-do compile }
// Copyright (C) 2010 Free Software Foundation
//
// 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/>.
// 20.9.10.2 Class template shared_ptr [util.smartptr.shared]
#include <memory>
#include <testsuite_hooks.h>
// 20.9.10.2.1 shared_ptr constructors [util.smartptr.shared.const]
struct deleter;
class A
{
~A() = default;
friend struct deleter;
};
struct deleter
{
void operator()(A* a) const;
};
void
test01()
{
std::shared_ptr<A> p(new A, deleter());
}

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@ -43,7 +43,7 @@ main()
}
// { dg-warning "note" "" { target *-*-* } 352 }
// { dg-warning "note" "" { target *-*-* } 1085 }
// { dg-warning "note" "" { target *-*-* } 1083 }
// { dg-warning "note" "" { target *-*-* } 465 }
// { dg-warning "note" "" { target *-*-* } 585 }
// { dg-warning "note" "" { target *-*-* } 1048 }