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re PR libstdc++/65543 (rvalue stream insertion and extraction operators incorrectly implemented) 

2015-03-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/65543
	* include/std/istream (operator>>(basic_istream<>&&, _Tp&): Revert
	thinko in r150387.
	* include/std/ostream (operator<<(basic_ostream<>&&, const _Tp&):
	Likewise.
	* testsuite/27_io/rvalue_streams-2.cc: New.

From-SVN: r221655
This commit is contained in:
Paolo Carlini 2015-03-25 09:57:06 +00:00 committed by Paolo Carlini
parent c09a3914dc
commit ea348bbe59
4 changed files with 52 additions and 2 deletions
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9
libstdc++-v3/ChangeLog
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@ -1,3 +1,12 @@
2015-03-25 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/65543
* include/std/istream (operator>>(basic_istream<>&&, _Tp&): Revert
thinko in r150387.
* include/std/ostream (operator<<(basic_ostream<>&&, const _Tp&):
Likewise.
* testsuite/27_io/rvalue_streams-2.cc: New.
2015-03-24 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/33394

5
libstdc++-v3/include/std/istream
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@ -922,7 +922,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _CharT, typename _Traits, typename _Tp>
inline basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
{ return (__is >> __x); }
{
__is >> __x;
return __is;
}
#endif // C++11
_GLIBCXX_END_NAMESPACE_VERSION

5
libstdc++-v3/include/std/ostream
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@ -626,7 +626,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _CharT, typename _Traits, typename _Tp>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x)
{ return (__os << __x); }
{
__os << __x;
return __os;
}
#endif // C++11
_GLIBCXX_END_NAMESPACE_VERSION

35
libstdc++-v3/testsuite/27_io/rvalue_streams-2.cc Normal file
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@ -0,0 +1,35 @@
// { dg-options "-std=gnu++11" }
// { dg-do compile }
// 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
// <http://www.gnu.org/licenses/>.
#include <sstream>
struct A {};
void operator<<(std::ostream&, const A&) { }
void operator>>(std::istream&, A&) { }
// PR libstdc++/65543
int main()
{
A a;
std::ostringstream() << a;
std::istringstream() >> a;
}