79 lines
2.7 KiB
Diff
79 lines
2.7 KiB
Diff
Index: gcc-4_8-branch/libstdc++-v3/include/bits/stl_algo.h
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===================================================================
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--- gcc-4_8-branch/libstdc++-v3/include/bits/stl_algo.h (revision 203872)
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+++ gcc-4_8-branch/libstdc++-v3/include/bits/stl_algo.h (revision 203873)
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@@ -2279,7 +2279,7 @@
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_RandomAccessIterator __last)
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{
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_RandomAccessIterator __mid = __first + (__last - __first) / 2;
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- std::__move_median_to_first(__first, __first + 1, __mid, (__last - 2));
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+ std::__move_median_to_first(__first, __first + 1, __mid, __last - 1);
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return std::__unguarded_partition(__first + 1, __last, *__first);
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}
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@@ -2291,7 +2291,7 @@
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_RandomAccessIterator __last, _Compare __comp)
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{
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_RandomAccessIterator __mid = __first + (__last - __first) / 2;
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- std::__move_median_to_first(__first, __first + 1, __mid, (__last - 2),
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+ std::__move_median_to_first(__first, __first + 1, __mid, __last - 1,
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__comp);
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return std::__unguarded_partition(__first + 1, __last, *__first, __comp);
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}
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Index: gcc-4_8-branch/libstdc++-v3/testsuite/25_algorithms/nth_element/58800.cc
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===================================================================
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--- gcc-4_8-branch/libstdc++-v3/testsuite/25_algorithms/nth_element/58800.cc (revision 0)
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+++ gcc-4_8-branch/libstdc++-v3/testsuite/25_algorithms/nth_element/58800.cc (revision 203873)
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@@ -0,0 +1,52 @@
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+// Copyright (C) 2013 Free Software Foundation, Inc.
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+//
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+// This file is part of the GNU ISO C++ Library. This library is free
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+// software; you can redistribute it and/or modify it under the
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+// terms of the GNU General Public License as published by the
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+// Free Software Foundation; either version 3, or (at your option)
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+// any later version.
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+
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+// This library is distributed in the hope that it will be useful,
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+// but WITHOUT ANY WARRANTY; without even the implied warranty of
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+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+// GNU General Public License for more details.
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+
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+// You should have received a copy of the GNU General Public License along
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+// with this library; see the file COPYING3. If not see
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+// <http://www.gnu.org/licenses/>.
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+
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+// 25.3.2 [lib.alg.nth.element]
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+
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+// { dg-options "-std=gnu++11" }
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+
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+#include <algorithm>
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+#include <testsuite_hooks.h>
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+#include <testsuite_iterators.h>
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+
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+using __gnu_test::test_container;
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+using __gnu_test::random_access_iterator_wrapper;
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+
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+typedef test_container<int, random_access_iterator_wrapper> Container;
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+
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+void test01()
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+{
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+ std::vector<int> v = {
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+ 207089,
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+ 202585,
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+ 180067,
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+ 157549,
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+ 211592,
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+ 216096,
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+ 207089
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+ };
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+
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+ Container con(v.data(), v.data() + 7);
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+
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+ std::nth_element(con.begin(), con.begin() + 3, con.end());
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+}
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+
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+int main()
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+{
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+ test01();
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+ return 0;
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+}
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