Comments
Patch
===================================================================
@@ -1113,7 +1113,7 @@
for (auto __itx = __this->begin(); __itx != __this->end(); ++__itx)
{
const auto __ity = __other.find(_ExtractKey()(*__itx));
- if (__ity == __other.end() || *__ity != *__itx)
+ if (__ity == __other.end() || !(*__ity == *__itx))
return false;
}
return true;
===================================================================
@@ -0,0 +1,28 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2012 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 <unordered_set>
+
+// libstdc++/52309
+struct value {};
+struct hash { std::size_t operator()(const value&) const; };
+bool operator==(value const&, value const&);
+std::unordered_set<value, hash> set;
+bool z = (set == set);
Hi, this is what I'm going to apply. Seems straightforward enough to go in now. Tested x86_64-linux. Thanks, Paolo. /////////////////// 2012-02-19 Paolo Carlini <paolo.carlini@oracle.com> PR libstdc++/52309 * include/bits/hashtable_policy.h (_Equality_base<, true,>:: _M_equal(const _Hashtable&)): Compare values with operator==. * testsuite/23_containers/unordered_set/operators/52309.cc: New.