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author | Paolo Carlini <paolo.carlini@oracle.com> | 2009-01-07 13:00:48 +0000 |
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committer | Paolo Carlini <paolo@gcc.gnu.org> | 2009-01-07 13:00:48 +0000 |
commit | 8877b5a9bd57107ef369d266c0a276515d2f0987 (patch) | |
tree | a32d9038bd4516cd7d8f67996c0e0278533185e2 | |
parent | cef158f9253739ab1b1f4342d530b933f1e1fc34 (diff) | |
download | gcc-8877b5a9bd57107ef369d266c0a276515d2f0987.zip gcc-8877b5a9bd57107ef369d266c0a276515d2f0987.tar.gz gcc-8877b5a9bd57107ef369d266c0a276515d2f0987.tar.bz2 |
re PR libstdc++/38466 (Document std::pair vs. std::swap)
2009-01-07 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/38466
* include/bits/stl_pair.h: Document C++03 pair vs swap.
From-SVN: r143154
-rw-r--r-- | libstdc++-v3/ChangeLog | 5 | ||||
-rw-r--r-- | libstdc++-v3/include/bits/stl_pair.h | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 11bf44e..7027b77 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +2009-01-07 Paolo Carlini <paolo.carlini@oracle.com> + + PR libstdc++/38466 + * include/bits/stl_pair.h: Document C++03 pair vs swap. + 2009-01-06 Benjamin Kosnik <bkoz@redhat.com> * src/locale_init.cc (locale::_S_initialize_once): Move construction diff --git a/libstdc++-v3/include/bits/stl_pair.h b/libstdc++-v3/include/bits/stl_pair.h index cf61b09..eb741e2 100644 --- a/libstdc++-v3/include/bits/stl_pair.h +++ b/libstdc++-v3/include/bits/stl_pair.h @@ -1,6 +1,6 @@ // Pair implementation -*- C++ -*- -// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 +// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 // Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free @@ -184,6 +184,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std) #ifdef __GXX_EXPERIMENTAL_CXX0X__ /// See std::pair::swap(). + // Note: no std::swap overloads in C++03 mode, this has performance + // implications, see, eg, libstdc++/38466. template<class _T1, class _T2> inline void swap(pair<_T1, _T2>& __x, pair<_T1, _T2>& __y) |