obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 154 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/23_containers/forward_list/modifiers/2.cc b/libstdc++-v3/testsuite/23_containers/forward_list/modifiers/2.cc
new file mode 100644
index 000000000..b6c6e35eb
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/forward_list/modifiers/2.cc
@@ -0,0 +1,154 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2008, 2009, 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/>.
+
+// 23.2.3.n forward_list xxx [lib.forward_list.xxx]
+
+#include <forward_list>
+#include <testsuite_hooks.h>
+
+#include <string>
+
+bool test __attribute__((unused)) = true;
+
+// This test verifies the following:
+//   insert_after single item
+//   before_begin iterator
+void
+test01()
+{
+  std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
+
+  std::forward_list<int>::iterator ret = fl.insert_after(fl.before_begin(),
+							 42);
+  VERIFY( ret == fl.begin() );
+  VERIFY( fl.front() == 42 );
+}
+
+// This test verifies the following:
+void
+test02()
+{
+  std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
+
+  std::forward_list<int>::const_iterator pos = fl.cbegin();
+  ++pos;
+  VERIFY( *pos == 1 );
+
+  std::forward_list<int>::iterator ret = fl.insert_after(pos, 0, 42);
+  VERIFY( ret == pos );
+
+  ret = fl.insert_after(pos, 5, 42);
+  VERIFY( *pos == 1 );
+
+  ++pos;
+  VERIFY( *pos == 42 );
+  ++pos;
+  ++pos;
+  ++pos;
+  ++pos;
+  VERIFY( *pos == 42 );
+  VERIFY( ret == pos );
+  ++pos;
+  VERIFY( *pos == 2 );
+}
+
+// This test verifies the following:
+void
+test03()
+{
+  std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
+
+  std::forward_list<int>::const_iterator pos = fl.cbegin();
+  ++pos;
+  VERIFY( *pos == 1 );
+
+  int i[3] = {666, 777, 888};
+  std::forward_list<int>::iterator ret = fl.insert_after(pos, i, i);
+  VERIFY( ret == pos );
+
+  ret = fl.insert_after(pos, i, i + 3);
+  VERIFY( *pos == 1 );
+
+  ++pos;
+  ++pos;
+  ++pos;
+  VERIFY( *pos == 888 );
+  VERIFY( ret == pos );
+  ++pos;
+  VERIFY( *pos == 2 );
+}
+
+// This test verifies the following:
+void
+test04()
+{
+  std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
+
+  std::forward_list<int>::const_iterator pos = fl.cbegin();
+  ++pos;
+  VERIFY( *pos == 1 );
+
+  std::forward_list<int>::iterator ret = fl.insert_after(pos, { });
+  VERIFY( ret == pos);
+
+  ret = fl.insert_after(pos, {-1, -2, -3, -4, -5});
+  VERIFY( *pos == 1);
+
+  ++pos;
+  ++pos;
+  ++pos;
+  VERIFY( *pos == -3 );
+  ++pos;
+  ++pos;
+  VERIFY( ret == pos );
+  ++pos;
+  VERIFY( *pos == 2 );
+}
+
+// This test verifies the following:
+void
+test05()
+{
+  std::forward_list<std::string> fl({"AAA", "BBB", "CCC"});
+
+  std::forward_list<std::string>::const_iterator pos = fl.cbegin();
+  ++pos;
+  VERIFY( *pos == "BBB" );
+
+  std::string x( "XXX" );
+  std::forward_list<std::string>::iterator ret
+    = fl.insert_after(pos, std::move(x));
+  VERIFY( *pos == "BBB" );
+  ++pos;
+  VERIFY( ret == pos );
+  VERIFY( *pos == "XXX" );
+  ++pos;
+  VERIFY( *pos == "CCC" );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+  test03();
+  test04();
+  test05();
+  return 0;
+}