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
directory might differ from line-endings of the respective
files in the upstream repository.

2 files changed, 131 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/sputbackc/char/9538.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/sputbackc/char/9538.cc
new file mode 100644
index 000000000..bd632aba1
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/sputbackc/char/9538.cc
@@ -0,0 +1,66 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009
+// 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/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <streambuf>
+#include <locale>
+#include <cstring>
+#include <testsuite_hooks.h>
+
+class MyTraits : public std::char_traits<char>
+{
+public:
+  static bool eq(char c1, char c2)
+  {
+    bool test __attribute__((unused)) = true;
+    VERIFY( c1 != 'X' );
+    VERIFY( c2 != 'X' );
+    return std::char_traits<char>::eq(c1, c2);
+  }
+};
+
+class MyBuf : public std::basic_streambuf<char, MyTraits>
+{
+  char buffer[8];
+
+public:
+  MyBuf()
+  {
+    std::memset(buffer, 'X', sizeof(buffer));
+    std::memset(buffer + 2, 'f', 4);
+    setg(buffer + 2, buffer + 2, buffer + 6);
+  }
+};
+
+// libstdc++/9538
+void test08()
+{
+  bool test __attribute__((unused)) = true;
+
+  MyBuf mb;
+  mb.sputbackc('a');  
+}
+
+int main() 
+{
+  test08();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/sputbackc/wchar_t/9538.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/sputbackc/wchar_t/9538.cc
new file mode 100644
index 000000000..f72f61778
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/sputbackc/wchar_t/9538.cc
@@ -0,0 +1,65 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2004, 2009 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/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <streambuf>
+#include <locale>
+#include <cwchar>
+#include <testsuite_hooks.h>
+
+class MyTraits : public std::char_traits<wchar_t>
+{
+public:
+  static bool eq(wchar_t c1, wchar_t c2)
+  {
+    bool test __attribute__((unused)) = true;
+    VERIFY( c1 != L'X' );
+    VERIFY( c2 != L'X' );
+    return std::char_traits<wchar_t>::eq(c1, c2);
+  }
+};
+
+class MyBuf : public std::basic_streambuf<wchar_t, MyTraits>
+{
+  wchar_t buffer[8];
+
+public:
+  MyBuf()
+  {
+    std::wmemset(buffer, L'X', sizeof(buffer) / sizeof(buffer[0]));
+    std::wmemset(buffer + 2, L'f', 4);
+    setg(buffer + 2, buffer + 2, buffer + 6);
+  }
+};
+
+// libstdc++/9538
+void test08()
+{
+  bool test __attribute__((unused)) = true;
+
+  MyBuf mb;
+  mb.sputbackc(L'a');
+}
+
+int main() 
+{
+  test08();
+  return 0;
+}