hashtable_policy.h (_Hashtable_base<>::_M_eq()): protected rather than private, use it...

2012-01-05  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Hashtable_base<>::_M_eq()):
	protected rather than private, use it...
	* include/bits/hashtable.h (_Hashtable<>::key_eq()): ... here.
	* testsuite/23_containers/unordered_set/observers.cc: New.
	* testsuite/23_containers/unordered_multiset/observers.cc: New.
	* testsuite/23_containers/unordered_map/observers.cc: New.
	* testsuite/23_containers/unordered_multimap/observers.cc: New.

From-SVN: r182928

7 files changed, 133 insertions, 3 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index aebe091..56350fe 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,4 +1,14 @@
-2012-01-03  François Dumont <fdumont@gcc.gnu.org>
+2012-01-05  François Dumont  <fdumont@gcc.gnu.org>
+
+	* include/bits/hashtable_policy.h (_Hashtable_base<>::_M_eq()):
+	protected rather than private, use it...
+	* include/bits/hashtable.h (_Hashtable<>::key_eq()): ... here.
+	* testsuite/23_containers/unordered_set/observers.cc: New.
+	* testsuite/23_containers/unordered_multiset/observers.cc: New.
+	* testsuite/23_containers/unordered_map/observers.cc: New.
+	* testsuite/23_containers/unordered_multimap/observers.cc: New.
+
+2012-01-03  François Dumont  <fdumont@gcc.gnu.org>
 
 	* include/bits/hashtable_policy.h (_Ebo_helper<>): Rename to the more
 	specific _Hashtable_ebo_helper. Hide this implementation detail thanks
diff --git a/libstdc++-v3/include/bits/hashtable.h b/libstdc++-v3/include/bits/hashtable.h
index aeb330c..c9f3419 100644
--- a/libstdc++-v3/include/bits/hashtable.h
+++ b/libstdc++-v3/include/bits/hashtable.h
@@ -371,7 +371,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       // Observers
       key_equal
       key_eq() const
-      { return this->_M_eq; }
+      { return this->_M_eq(); }
 
       // hash_function, if present, comes from _Hash_code_base.
 
diff --git a/libstdc++-v3/include/bits/hashtable_policy.h b/libstdc++-v3/include/bits/hashtable_policy.h
index 66386e8..993f630 100644
--- a/libstdc++-v3/include/bits/hashtable_policy.h
+++ b/libstdc++-v3/include/bits/hashtable_policy.h
@@ -876,7 +876,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       std::swap(_M_eq(), __x._M_eq());
     }
 
-  private:
+  protected:
     const _Equal&
     _M_eq() const { return _EboEqual::_S_cget(*this); }
     _Equal&
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_map/observers.cc b/libstdc++-v3/testsuite/23_containers/unordered_map/observers.cc
new file mode 100644
index 0000000..4a6847e
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_map/observers.cc
@@ -0,0 +1,30 @@
+// { 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 Pred 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_map>
+
+void
+test01()
+{
+  std::unordered_map<int, int> um;
+
+  auto ke = um.key_eq();
+  auto h = um.hash_function();
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_multimap/observers.cc b/libstdc++-v3/testsuite/23_containers/unordered_multimap/observers.cc
new file mode 100644
index 0000000..634bd9d
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_multimap/observers.cc
@@ -0,0 +1,30 @@
+// { 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 Pred 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_map>
+
+void
+test01()
+{
+  std::unordered_multimap<int, int> um;
+
+  auto ke = um.key_eq();
+  auto h = um.hash_function();
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_multiset/observers.cc b/libstdc++-v3/testsuite/23_containers/unordered_multiset/observers.cc
new file mode 100644
index 0000000..0ea3e5b
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_multiset/observers.cc
@@ -0,0 +1,30 @@
+// { 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 Pred 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>
+
+void
+test01()
+{
+  std::unordered_multiset<int> us;
+
+  auto ke = us.key_eq();
+  auto h = us.hash_function();
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/observers.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/observers.cc
new file mode 100644
index 0000000..c18b059
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/observers.cc
@@ -0,0 +1,30 @@
+// { 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 Pred 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>
+
+void
+test01()
+{
+  std::unordered_set<int> us;
+
+  auto ke = us.key_eq();
+  auto h = us.hash_function();
+}