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| author | Luc Hermitte <hermitte@free.fr> | 2010-09-18 03:29:31 +0200 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2010-09-18 01:29:31 +0000 |
| commit | fc99f7809e92e922356761380539cf4c388f48b8 (patch) | |
| tree | c0307de0de4cf2d8e1498c3c23ee0401553757f7 /libstdc++-v3 | |
| parent | 7b458ccc8d474217045c53f9ffc0becd948edc49 (diff) | |
| download | gcc-fc99f7809e92e922356761380539cf4c388f48b8.zip gcc-fc99f7809e92e922356761380539cf4c388f48b8.tar.gz gcc-fc99f7809e92e922356761380539cf4c388f48b8.tar.bz2 | |
re PR libstdc++/45713 (sizeof std::bitset<ULONG_MAX> == 1)
2010-09-17 Luc Hermitte <hermitte@free.fr>
Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/45713
* include/std/bitset: Fix _GLIBCXX_BITSET_WORDS macro.
* testsuite/23_containers/bitset/45713.cc: New.
Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>
From-SVN: r164388
Diffstat (limited to 'libstdc++-v3')
| -rw-r--r-- | libstdc++-v3/ChangeLog | 7 | ||||
| -rw-r--r-- | libstdc++-v3/include/std/bitset | 4 | ||||
| -rw-r--r-- | libstdc++-v3/testsuite/23_containers/bitset/45713.cc | 25 |
3 files changed, 34 insertions, 2 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index aa9d624..f74e54f 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,10 @@ +2010-09-17 Luc Hermitte <hermitte@free.fr> + Paolo Carlini <paolo.carlini@oracle.com> + + PR libstdc++/45713 + * include/std/bitset: Fix _GLIBCXX_BITSET_WORDS macro. + * testsuite/23_containers/bitset/45713.cc: New. + 2010-09-16 Paolo Carlini <paolo.carlini@oracle.com> * include/bits/stl_raw_storage_iter.h (raw_storage_iterator<>:: diff --git a/libstdc++-v3/include/std/bitset b/libstdc++-v3/include/std/bitset index 909ed77..6fe1235 100644 --- a/libstdc++-v3/include/std/bitset +++ b/libstdc++-v3/include/std/bitset @@ -53,8 +53,8 @@ #define _GLIBCXX_BITSET_BITS_PER_WORD (__CHAR_BIT__ * sizeof(unsigned long)) #define _GLIBCXX_BITSET_WORDS(__n) \ - ((__n) < 1 ? 0 : ((__n) + _GLIBCXX_BITSET_BITS_PER_WORD - 1) \ - / _GLIBCXX_BITSET_BITS_PER_WORD) + ((__n) / _GLIBCXX_BITSET_BITS_PER_WORD + \ + ((__n) % _GLIBCXX_BITSET_BITS_PER_WORD == 0 ? 0 : 1)) _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) diff --git a/libstdc++-v3/testsuite/23_containers/bitset/45713.cc b/libstdc++-v3/testsuite/23_containers/bitset/45713.cc new file mode 100644 index 0000000..8d369d6 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/bitset/45713.cc @@ -0,0 +1,25 @@ +// Copyright (C) 2010 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-do compile } + +#include <bitset> + +// libstdc++/45713 +#if __SIZEOF_SIZE_T__ >= 4 +int test[sizeof(std::bitset<0xffffffff>) != 1 ? 1 : -1]; +#endif |